103results about How to "Improvement of design concept" patented technology

The invention discloses a method for heating acid washing solution. The method comprises: (1) the acid washing solution in an acid washing tank 1 flows back into an acid circulation tank 2, is filtered through a filter 3 and is pumped into a heater 6 by an acid-resistant pump 4 through an inlet 5 of the heater, the heated acid washing solution is pumped into the acid washing tank 1 through an outlet 7 of the heater to form circulation, and the circulation is repeated in the way; (2) heating steam enters through a steam inlet 8 and is discharged through a steam outlet 9, so that the acid washing solution is kept at normal technological temperature all the time; and (3) acid mist which is generated during the acid washing process is concentrated through a mist collector 10 under the action of a mist exhaust fan 12 and enters an acid mist purification system 11 to be purified, and the mist which meets the emission standards is discharged to the atmosphere 13 through the mist exhaust fan 12. By the method, heat exchange is indirectly realized, the acid washing solution cannot be diluted, excessive acid mist is not generated, the acid mist cannot be leaked during the heat exchange process, and the heating process of the acid washing solution and the temperature of the acid washing solution can be automatically controlled through adopting a heat exchanger.

A trolley type steel coil transportation system comprises a trolley for conveying steel coils, tracks, transversally moving devices, a weighing device, turning devices, a lifting device and trolley line groups, wherein the trolley moves on the tracks and is provided with a saddle thereon, the trolley bearing the steel coils moves on the heavy load tracks, and the empty trolley moves on the light load tracks which are arranged side by side with the heavy load tracks; a bracket of the trolley line groups is fixed on one side of the trolley, and a current collector is fixed on the bracket; a fixing bracket is fixed on the foundation along one sides of the light load tracks and the heavy load tracks; the trolley lines are fixed on the fixing bracket; and the contact of the current collector is propped against grooves of the trolley lines and slides along the grooves of the trolley lines with the move of the trolley. The trolley type steel coil transportation system has the benefits that the trolley line groups are applied to the transport line of the trolley, solves the power and signal transmission problem of the trolley over a long distance, and has the advantages of advanced design concept, simpler structure, lighter weight, small maintenance quantity and environmental protection. Therefore, the system can improve the equipment assembly level in the field of steel coil transportation in China, and can also improve the economic benefit and social benefit.

The invention relates to a multi-parameter real-condition monitoring method for well completion of an underground perforator, belonging to the technical field of underground measurement of petroleum, natural gas and the like. Aiming at severe environments such as high temperature, high pressure and high impact and the like in the process of well completion of the perforator, a monitoring instrument of the underground perforator and a monitoring instrument outside the perforator are specially researched by utilizing the method, and are leading instruments with innovative design and independent invention; and testers inside and outside the underground perforator are used for monitoring simultaneously, and processing monitored data in real time so as to obtain multiple parameters of real conditions of the underground well completion effect in perforation or / and fracture: internal pressure of the perforator, the external annular pressure of the perforator, self impact acceleration of the perforator, ambient temperature in perforation or / and fracture and the like. By utilizing the method, the high and new technologies such as variable-frequency sampling, digital processing, sensor, microminiature, micropower consumption, high temperature resistance, high pressure resistance, high impact resistance and the like are integrated, the technological content is high, the functions are strong, the performance is good, the design is advanced, the structure is reasonable, and in addition, the multi-parameter real-condition monitoring method is precise, stable, reliable and practical and has values for promotion and use.

The invention relates to an artificial total knee replacing prosthesis which can reconstruct anterior cruciate ligament and comprises a tibia platform supporting part and a liner. The tibia platform supporting part consists of a horizontal platform and a rod part which are fixedly connected; the surface of the liner is provided with a pair of spherical concaves horizontally intervened so as to respectively receive a femur scleromere. The pad and the tibia platform supporting part are provided with a pore canal which respectively penetrates the pad and the horizontal platform of the tibia platform supporting part and are communicated with each other, so as to lead the anterior cruciate ligament to pass through the pore canals, the two ends of the ligament to be fixed on the tibias of a femur ectocondyle, and the horizontal platform of the tibia platform supporting part; thus realizing the reconstruction of the anterior cruciate ligament in a replacing surgery of the artificial total knee.

The invention discloses a material feeding machine for edible fungi industrial culture. The material feeding machine is characterized by consisting of a perpendicular lifting device, a conveying device (2), a material pressing device (4), a thickness determining device (5) and a material throwing device (6), wherein the material pressing device (4), the thickness determining device (5) and the material throwing device (6) are arranged on a working surface of the conveying device (2) and are horizontally arranged in tandem, and the conveying device (2) is arranged on the lower side, so that a material feeding machine combined working body is formed; the material feeding machine combined working body is arranged on a frame body (1); each functional unit synchronously continues the work of an upper unit and a lower unit while completing emphasized tasks, so that equipment has relatively high comprehensive usability and high efficiency as well as multiple functions; multiple steps of work can be finished on the same equipment; and the material feeding machine is high-efficiency, stable and practical special culture mechanical equipment.

Disclosed is a rubber-metal compound spherical hinge with axial nonlinear variable rigidity. The rubber-metal compound spherical hinge with axial nonlinear variable rigidity is composed of rubber andmetal materials in a compound mode and comprises a sleeve and a rubber-metal vulcanized body, which is pressed in interference fit inside the sleeve and composed of rubber and metal materials in a compound mode; the inside of the rubber-metal vulcanized body is provided with an axial variable rigidity adjusting device which can adjust the axial rigidity of the rubber-metal compound spherical hingeso that the axial rigidity of the rubber-metal compound spherical hinge can be changed nonlinearly. The axial variable rigidity adjusting device is composed of two parts including an axial small rigidity variable rigidity adjusting device and an axial high rigidity nonlinear variable rigidity adjusting device, which are combined to achieve axial nonlinear variable rigidity adjustment of the entire rubber-metal compound spherical hinge. Through axial variable rigidity adjustment, the rubber-metal compound spherical hinge with the axial nonlinear variable rigidity provides a nonlinear rigidityidea and accordingly brings about a new design idea for a bogie.

The invention discloses a pneumatic self-circulation animal cell culture bioreactor and an application method thereof. The bioreactor is characterized by comprising a large tank, a small tank located in the large tank, a magnetic stirring system located at the bottom of the large tank, a heating system and a controlling system, wherein a sealing cover is arranged at the upper end of the large tank, jackets connected with the heating system are arranged on two sides of the large tank, and a highest liquid level sensor of the large tank is arranged at the upper part in the large tank; and a sealing head is arranged at the upper end of the small tank, an opening is formed in the lower end, the sealing head is fixedly connected in a sealing manner with the sealing cover through a breathing pipe, the upper end of the breathing pipe penetrates out of the sealing cover and is connected with a vacuum air pump and an air pressure pump respectively, the lower end penetrates out of the sealing head and enters the small tank, a cavity used for accommodating a cell carrier is defined by two up-and-down horizontal stainless steel wire mesh boards in the middle of the small tank and the inner wall of the small tank, an upper liquid level sensor of the small tank is arranged above the cavity, and a lower liquid level sensor of the small tank is arranged below the cavity. The pneumatic self-circulation animal cell culture bioreactor has the advantages of good air tightness, simplicity in operation, low contamination rate, good cell quality and high yield.

The invention discloses a thoracoabdominal alternate pressing type cardio-pulmonary resuscitator which comprises a back plate, a support frame, a left support, a right support and two press devices. The press devices are used for thoracoabdominal-alternate-pressing cardio-pulmonary resuscitation. Telescoping mechanisms used for adjusting the interval between the press devices are arranged between the press devices. The press device used for pressing the chest is fixedly connected to the support frame. The upper ends of the left support and the right support are hinged to two ends of the support frame through hinges respectively. The lower ends of the left support and the right support are fixed with two ends of the back plate through fasteners respectively. The thoracoabdominal alternate pressing type cardio-pulmonary resuscitator belongs to the field of medical instruments, has two additional functions of lifting and pressing abdomens, overcomes the single thoracic-pressing resuscitation mode of existing cardiac resuscitators, promotes returned blood volume, increases cardiac preload and assists in increasing salvage success rate; by thoracoabdominal alternate pressing, flowing of blood towards important organs is facilitated, aortic pressure and central arterial pressure are increased, and blood supply and oxygen supply for the important organs are guaranteed.

The invention relates to a four-layer coaxial fiber wound dressing and a preparation method thereof and belongs to the field of biological materials. The material is prepared by adopting a synthetic polymer with biocompatibility and a natural polymer as main raw materials and using a four-layer coaxial needle through an electrostatic spinning method. The fiber has a four-layer coaxial structure, various layers of matrixes load different drugs according to the wound healing mechanism, and the release sequence of the drug can correspond to the wound healing process. The material has excellent biocompatibility and can release the drug in a manner of fitting with the wound healing mechanism.

Provided is a traction spherical hinge non-linear variable rigidity method and an I-shaped bush. The non-linear variable rigidity of a spherical hinge is achieved through a rubber metal vulcanizationbody in the spherical hinge. The rubber metal vulcanization body is a rubber metal composite part of the I-shaped bush, an inner sleeve of the rubber metal composite part is in an I shape, and a coreshaft is sleeved with the inner sleeve. Radial rubber metal vulcanization composites formed through vulcanization rubber and metal are arranged at the two ends of the I-shaped inner sleeve correspondingly. An outer sleeve of the I-shaped rubber metal vulcanization body is divided into two sections, and the two ends are located at the two ends of the I-shaped rubber metal vulcanization body correspondingly and vulcanized with rubber to form an outer sleeve of the radial rubber metal vulcanization composites. The two sections of the outer sleeve are pressed at the two axial ends in a shell sleeve through interference fit, a two-section radial rubber metal composite spherical hinge is formed, and a sealed space is reserved in the middle of the two-section radial rubber metal composite spherical hinge. Non-linear variable rigidity adjustment of the spherical hinge is achieved through the two-section radial rubber metal composite spherical hinge.

The invention discloses a traction spherical hinge and a method for adjusting the nonlinear variable stiffness of the traction spherical hinge. Position relations between a metal component and a rubber component of the track traffic traction spherical hinge can be adjusted, so that the nonlinear variable stiffness of the track traffic traction spherical hinge can be adjusted. The traction spherical hinge and the method are characterized in that the adjustment on the nonlinear variable stiffness of the track traffic traction spherical hinge includes adjusting the radial variable stiffness and the axial variable stiffness of the track traffic traction spherical hinge, the radial variable stiffness and the axial variable stiffness of the track traffic traction spherical hinge can be adjusted,and accordingly the nonlinear variable stiffness of the integral track traffic traction spherical hinge can be adjusted. The traction spherical hinge and the method have the advantages that the axialvariable stiffness of the traction spherical hinge can be adjusted, ideas of radially providing nonlinear stiffness to the traditional spherical hinge products are completely changed, novel design ideas can be brought to design ideas for bogies, design philosophy for the bogies can be greatly expanded, and the possibility of novel bogie assembly structures can be developed.

The invention provides a capsule feeding mechanism which comprises a capsule feeding portion, a transmission mechanism portion and a capsule hopper portion. The capsule feeding portion comprises a sequencing fork, a capsule guiding groove and a pushing fork. The transmission mechanism portion comprises a cam support, a linear cam, a guiding block, a guiding support frame and a guiding rod, two rows or more than two rows of vertical channels are arranged on the sequencing fork, the channels are distributed in a stepped mode, a row of vertical channel is arranged on each step, the sequencing fork further comprises a main board, a fork head and a capsule switch, wherein the lower end of the main board is in a reversed stepped shape. The capsule guiding groove comprises guiding groove bodies, blocking plates and fixing components used for connection, each guide groove body is in a stepped shape, the number of the steps is the same as that of steps of the sequencing fork, the blocking plates are respectively fixed on the guide groove bodies, holes distributed in the stepped shape are formed in each guide groove body, the number of the holes is the same as that of the vertical channels of the sequencing fork, and the positions of the holes and the vertical channels correspond. According to the capsule feeding mechanism, the number of rows for capsule feeding is added on one station, work efficiency of a single station is improved, one or multiple stations are eliminated, space is saved for other functions and later development of the machine, and capsule feeding condition can be monitored manually anytime conveniently.

Provided is a nonlinear variable rigidity method for a rubber and metal composite type spherical hinge. By adjusting the position relationship of a metal piece and a rubber piece of the rubber and metal composite type spherical hinge, the nonlinear variable rigidity of the rubber and metal composite type spherical hinge is adjusted; and according to the fact that by adjusting the position relationship of the metal piece and the rubber piece of the rubber and metal composite type spherical hinge, the nonlinear variable rigidity of the rubber and metal composite type spherical hinge is adjusted,by adjusting the axial variable rigidity of the rubber and metal composite type spherical hinge, the axial rigidity of the whole rubber and metal composite type spherical hinge is made to be in nonlinear changing, and the nonlinear variable rigidity of the rubber and metal composite type spherical hinge is adjusted by means of the nonlinear changing of the axial rigidity of the rubber and metal composite type spherical hinge. According to the nonlinear variable rigidity method for the rubber and metal composite type spherical hinge, by means of the axial variable rigidity adjustment on the spherical hinge, the thought that according to a traditional spherical hinge product, the nonlinear rigidity is provided in the radial direction is completely changed, a new designing thought is broughtfor the designing thought of a steering frame, the designing concept of the steering frame is greatly widened, and the assembling structure possibility of a new steering frame is exploited.

The invention discloses a waste incineration flue gas processing system. The waste incineration flue gas processing system comprises a reaction tower, a deduster, and a flue gas pipeline; the reactiontower is provided with a flue gas inlet; the top of the reaction tower is provided with a rotary atomizer; the waste incineration flue gas processing system also comprises a water delivery pipeline,a lime slurry delivery device, and an injection device used for spraying an adsorbent and calcium hydroxide to the flue gas pipeline between the reaction tower and the deduster; the water delivery pipeline and the lime slurry delivery device are both connected with the rotary atomizer. The waste incineration flue gas processing system can be used for comprehensive treatment based on the differentproperties of pollutants; operation of the whole system is stable and reliable; and the efficiency is high.

The invention discloses a pneumatic self-circulation animal cell culture bioreactor and an application method thereof. The bioreactor is characterized by comprising a large tank, a small tank located in the large tank, a magnetic stirring system located at the bottom of the large tank, a heating system and a controlling system, wherein a sealing cover is arranged at the upper end of the large tank, jackets connected with the heating system are arranged on two sides of the large tank, and a highest liquid level sensor of the large tank is arranged at the upper part in the large tank; and a sealing head is arranged at the upper end of the small tank, an opening is formed in the lower end, the sealing head is fixedly connected in a sealing manner with the sealing cover through a breathing pipe, the upper end of the breathing pipe penetrates out of the sealing cover and is connected with a vacuum air pump and an air pressure pump respectively, the lower end penetrates out of the sealing head and enters the small tank, a cavity used for accommodating a cell carrier is defined by two up-and-down horizontal stainless steel wire mesh boards in the middle of the small tank and the inner wall of the small tank, an upper liquid level sensor of the small tank is arranged above the cavity, and a lower liquid level sensor of the small tank is arranged below the cavity. The pneumatic self-circulation animal cell culture bioreactor has the advantages of good air tightness, simplicity in operation, low contamination rate, good cell quality and high yield.

The invention discloses a high-compactness electric static pressure actuator for robot joints. The high-compactness electric static pressure actuator for the robot joints comprises an integrated shell, a knee joint part connecting block, a hip joint part connecting block, a motor pump assembly, an actuator cylinder assembly and a hydraulic accessory, wherein the knee joint part connecting block and the hip joint part connecting block are respectively arranged at the two ends of the integrated shell; the knee joint part connecting block is provided with a knee joint part connecting port; the hip joint part connecting block is provided with a hip joint part connecting port; the motor pump assembly and the actuator cylinder assembly are arranged in the integrated shell; the hydraulic accessory is installed in the hip joint part connecting block; the motor pump assembly provides power for the movement of the actuator cylinder assembly; and the actuator cylinder assembly makes a knee jointpart to move through the retraction of a piston rod and the driving of a connecting rod. According to the high-compactness electric static pressure actuator for the robot joints, the integrated hydraulic and electromechanical are adopted, a servo motor and a hydraulic pump are coaxially connected in series, and the actuator and a motor pump are arranged in parallel to be integrated with a joint part supporting structure and directly used as a femoral joint part, so that the whole structure is highly integrated and compact.

The invention relates to an upright cap buckle type cable distribution box with an electronic tag. The cable distribution box includes a cap buckle type upper cover, a seal ring, an end cover, a locking mechanism, an inside-box fiber fusion, light splitting and fiber distribution component, an electronic tag and a fixing structure. The cap buckle type upper cover includes a box body, a mounting base and a mounting mouth. The seal ring is inlaid around the mounting base. The end cover and the inside-box fiber fusion, light splitting and fiber distribution component are connected to constitute aplugging component. The plugging component is plugged into the box body of the cap buckle type upper cover through an opening and makes the end cover and the seal ring tightly abut against each other. The locking mechanism locks and fixes the end cover and the mounting base. The electronic tag is set on a long side of the mounting mouth. The fixing structure is used for fixing the cable distribution box to an outside fixed body. By adopting a cap buckle type upright upper box body structure, the damage to electrical elements caused by subjective and objective factors can be avoided. The electronic tag makes management convenient.

The invention discloses an intelligent LED (Light-Emitting Diode) light supplementing automatic control device for seedling raising in a tobacco curing greenhouse, which belongs to the field of automatic agriculture planting. According to the adopted technical scheme, a seedling raising pond bracket is arranged in a tobacco curing and seedling raising greenhouse, and is provided with an upper layer seedling raising pond and a lower layer seedling raising pond; LED light tubes are fixed on the lower part of the upper layer seedling raising pond; a wireless signal receiver is connected with an LED lamplight controller; and a remote controller and a wireless signal emitter are arranged outside the seedling raising greenhouse. The intelligent LED light supplementing automatic control device is set specific to different illumination requirement characteristics at tobacco seedling growing periods, so that different requirements of tobacco seedlings on illumination at different growing periods are met, the quality of tobacco seedlings is enhanced, and the subsequent transplanting survival rate of tobacco seedlings is increased; due to the design of the upper and lower layers of seedling raising ponds, the space utilization ratio of a seedling raising shed is increased; the LED light tubes are controlled wirelessly to supplement light for tobacco seedlings, so that the developing speed of tobacco seedlings is increased; and the intelligent LED light supplementing automatic control device has the advantages of advanced design concept, practical function and attractive and reasonable layout.

The invention discloses a waterproof and drainage system for a deformation joint based on an automatic drainage function and a construction process thereof. The deformation joint is circumferentiallyprovided with a channel or multiple channels along an underground space to be closed to form a loop, a drainage ditch is arranged at the foot of the wall of the side wall of the underground space, thedrainage ditch is longitudinally arranged along the underground space and is connected with the deformation joint in a penetrating mode, the tail end of the drainage ditch is connected to a water collection pit or a water collection well, and the deformation joint arranged in the horizontal direction and the interior of the drainage ditch are both provided with longitudinal slopes with slope notless than five thousandth. The waterproof and drainage system for the deformation joint based on the automatic drainage function has the advantages of being simple in process, simple and convenient inconstruction, high in economic benefit and high in social benefit, and has wide application prospects in projects such as urban rail transits, railways, and highways.

The invention discloses a slide type coin sorting machine. The machine comprises a coin supply mechanism, a coin sorting slide and a coin collecting groove which are sequentially connected to a framefrom top to bottom, the coin supply mechanism comprises a first turntable which bears the coins to be sorted and is rotatably mounted on the frame, a first retaining ring fixed on the frame and matched with an outer ring of the first turntable, a coin discharging long slot penetrating through the first retaining ring and a first guiding baffle plate fixed on the first retaining ring near the coindischarging long slot; the size of the coin discharging long slot only allows a single coin to pass, the lower edge of the coin discharging long slot is aligned with the upper surface of the first turntable, and the coin discharging long slot is docked with the upper end of the coin sorting slide; the first guide baffle plate is in clearance fit with the first turntable and guides a coin rotatingas the rotation of the first turntable to enter a first guiding surface of the coin discharging long slot. The slide type coin sorting machine has a simple structure, is convenient to manufacture, andis efficient and accurate in coin sorting.

The invention relates to a heat transfer process reinforced self-assembly experimental apparatus and a method of using the same; the heat transfer process reinforced self-assembly experimental apparatus comprises a controller, a heat exchanger, a steam generator, and a fan; the heat exchanger is composed of a heat exchange tube and an outer tube sleeving the heat exchange tube, the outer tube is provided with viewing windows, the upper portion of the outer tube is provided with a noncondensable gas outlet and a relief port, the lower portion of the outer tube is provided with a steam outlet and a steam inlet, the steam inlet is connected with the steam generator through a gas incoming line, the steam outlet is provided with an exhaust line, the fan is connected with the incoming end of the heat exchange tube through an intake line, the discharge end of the heat exchange tube is provided with an exhaust pipe, a bypass with an adjusting valve, an orifice plate flowmeter, a temperature sensor A and a gas incoming valve are arranged on the intake line in sequence, the exhaust pipe is provided with a temperature sensor B, and the outer wall of the outer tube is provided with a temperature sensor C. The heat transfer process reinforced self-assembly experimental apparatus allows an experimenter to use different heat exchange tubes for experimental study such that experimental test content is enriched; the comparison of various data leads to a deeper understanding of theoretic knowledge.

The invention provides a floating type waterborne platform structure. The structure at least comprises a pile shaft, a sleeve, a sliding type foot bridge and at least two floating boxes. The pile shaft is vertically fixed into water, and a waterborne platform support is formed; the sleeve is arranged on the pile shaft in a sleeving manner, the sleeve is of an empty box body structure composed of an inner sleeve body, a sleeve bottom and a sleeve top, and the sleeve vertically moves along the pile shaft along with water level changes; a manhole is formed in the top face of the sleeve, is located in the box body wall of the sleeve, and is provided with a ladder stand leading to the box bottom; the sliding type foot bridge is arranged on the side, close to the shore, of the sleeve, and is of a beam plate structure, one end of the sliding type foot bridge is hinged to a base of a shore side, and the other end of the sliding type foot bridge is provided with a roller capable of sliding along the top face of the sleeve; and the floating boxes are sealed hollow box bodies, the width of the floating boxes is consistent with the width of the sleeve, at least two simply-supported hinges are arranged on one side of the top face of each floating box and are hinged to the sleeve, and a manhole is formed in the top face of each floating box. A leisure device ascending and descending along with the water level is provided for townspeople or visitors, the waterborne performance of a waterborne platform can be improved, safety and reliability are achieved, construction is convenient, and engineering investment is saved.

The invention discloses a high-utilization residential private parking space leasing system. The system comprises a user terminal, a lessee terminal, a leasing platform, a vehicle communication system, a central control system, a parking space managing system and a rights management system, wherein the user terminal and the lessee terminal are a mobile phone, a tablet computer or an on-board computer for running application software and used for information inputting, data uploading and data downloading; data interaction between the user terminal and the lessee terminal is carried out by a GPRS (General Packet Radio Service) communication module and the central control system; and the central control system is composed of an application host and a database host. The high-utilization residential private parking space leasing system has the advantages that the design concept is novel and the hierarchical structure is reasonable; and an owner uploads the parking space information to the leasing platform in the vacancy period of a parking space, the user terminal places an order online through the leasing platform to obtain the temporary use rights of the parking space of the owner, sothat the utilization of parking space is improved.

The invention relates to scraping-suction energy-saving environmental-friendly handling equipment which is formed by a scraping-suction body, a scraping-suction pipe in an auxiliary body, a driving rotating shaft, a scraping-discharging plate, a scraping-discharging belt, a driving rotating device, a dust collector, a support pillar, a separation cover, a discharge pipe and the like, wherein the inside of the scraping-suction pipe is connected with a separator and the upper and lower ends of the scraping-suction pipe are respectively connected with the driving rotating device and the driving rotating shaft; the driving rotating shaft is connected to the lower end of the scraping-suction pipe; the scraping-discharging plate is arranged at the side edge of the scraping-discharging belt; the scraping-discharging belt is sleeved on a driving shaft of the driving rotating device and the driving rotating shaft; the driving rotating device is arranged inside the separation cover; the dust collector is arranged at the upper end of the support pillar and outside the driving rotating device; and two crotches at the upper end of the discharge pipe are respectively communicated with the dust collector and the separation cover. The scraping-suction energy-saving environmental-friendly handling equipment has superior technical performances, has various functions, has wide practicality, is flexible to lift, descend and turn over, is safe, rapid and convenient to load and unload, is dustproof, can be used for preventing noise and reducing pollution, has high efficiency, is energy-saving and environmental-friendly, has ultralow manufacturing and using cost and has particularly obvious comprehensive economic benefits and social benefits on the aspects of popularization and application.

The invention discloses a traction ball hinge axial nonlinearity rigidity adjusting laminated spring and an adjusting method. A metal sleeve is included, and rubber metal laminated spring bodies formed through compounding of rubber elastic bodies and metal are arranged in the metal sleeve. The traction ball hinge axial nonlinearity rigidity adjusting laminated spring and the adjusting method are characterized in that the rubber metal laminated spring bodies are axially arranged, and ball hinge axial nonlinearity rigidity changing is achieved through deformation of the axially-arranged rubber metal laminated spring bodies. The rubber metal laminated spring bodies are T-shaped rubber metal laminated spring bodies, and the sleeve of the T-shaped rubber metal laminated spring bodies is a T-shaped metal framework, and the laminated spring bodies are distributed on the two sides of the radial row width of the T-shaped metal framework and symmetrically distributed.

The invention discloses a workpiece conveying, positioning and clamping combined automatic line. The workpiece conveying, positioning and clamping combined automatic line comprises a lathe, a floatinglifting adjustment conveying roller wheel system, a workpiece rotary lifting righting wheel system, a workpiece conveying positioning clamping limiter, a workpiece duct righting clamping balancer anda workpiece storage rack; the floating lifting adjustment conveying roller wheel system is used for conveying workpieces with various diameters, the workpiece rotary lifting righting wheel system isused for adjusting the coaxiality of the conveyed workpieces, the workpiece conveying positioning clamping limiter is used for limiting the workpieces, the workpiece duct righting clamping balancer isused for guiding and clamping the workpieces, and the workpiece storage rack is used for storing the workpieces to be machined and the machined workpieces and transferring the workpieces. According to the workpiece conveying, positioning and clamping combined automatic line, mixed application and frequent alternate operation can be carried out on the various workpieces such as long and short bodies, an automatic line production environment is created, and the effects of efficient connection and conversion application are achieved.

The invention particularly discloses a supporting method of a carboniferous system geologic structure in-zone breaking country rock roadway. The problems of that support of the carboniferous system geologic structure in-zone breaking country rock roadway is incomplete is solved. According to the supporting method of the carboniferous system geologic structure in-zone breaking country rock roadway, temporary support to a roadway is carried out when a heading machine group is stepped forward and cut to a certain distance, and then permanent support composed of two steps is carried out. The permanent support comprises that a steel wire mesh is laid, girders are loaded up, roof bolts are installed, gang-part bolts are installed, and roof anchor ropes are installed. The supporting method of the carboniferous system geologic structure in-zone breaking country rock roadway is capable of lightening digging subsidiary transport work amount and improving a safety factor inside the roadway and has high economic effectiveness.

The invention discloses a super-large aluminum profile decorative louver and a machining technology thereof. The decorative louver is formed by assembling and joining of two kinds of aluminum profiles, namely, a large-louver aluminum profile and a glue-injecting aluminum profile. The glue-injecting aluminum profile comprises a connection part A and a connection part B, wherein the front end of theconnection part A is connected with the large-louver aluminum profile, and the rear end of the connection part B is connected with a curtain wall. A glue-injecting opening is formed in a middle connection part. The glue-injecting opening is filled with structural glue. U-shaped inserting parts are arranged on both edges of the front end of the connection part A. A well-matched inserting groove isformed in the rear end of the large-louver aluminum profile. The machining technology comprises the steps that the two kinds of aluminum profiles are molded separately through special dies and an extruding machine; a first aluminum profile is subjected to glue-injecting by the way of double-layer glue injecting and simultaneous glue injecting from glue injecting openings formed in the two sides;and after the surveying and setting out on a construction site is carried out, according to the actual size on the site, the two kinds of aluminum profiles are cut in a blanking mode, and then after the two kinds of aluminum profiles are jointed together, installation is carried out. The machining technology can machine large-span and super-large aluminum alloy decorative louvers with the length of up to 9 meters, and the integrity is good, the strength is high, and the heat insulation performance is greatly improved.

The invention discloses a spherical hinge axial variable stiffness method for matching an I-shaped bushing with a laminated spring. According to the method, the nonlinear variable stiffness of a rubber metal composite spherical hinge is adjusted by adjusting the position relation between the metal part and the rubber part of the rubber metal composite spherical hinge, the nonlinear variable stiffness of the rubber metal composite spherical hinge adjusted by adjusting the position relation between the metal part and the rubber part of the rubber metal composite spherical hinge is characterizedin that the metal part and the rubber part of the spherical hing are divided into two parts, one part is the I-shaped lining, and the other part is the laminated spring, the axial variable stiffness of the rubber metal composite spherical hinge and the axial variable stiffness of the small stiffness are realized through the I-shaped bushing, meanwhile, the axial variable stiffness of the large stiffness of the rubber metal composite spherical hinge is realized through the laminated spring, the nonlinear variable stiffness adjustment of the whole spherical hinge is realized through the combination of the two parts, so that the stiffness of the whole rubber metal composite spherical hinge is changed in the radial direction and the axial direction.