106results about How to "Reduce deviation" patented technology

The invention relates to the technical field of pipeline welding auxiliary devices, in particular to a water-cooled wall pipeline welding alignment auxiliary device and method.The water-cooled wall pipeline welding alignment auxiliary device comprises two semi-rings, the outer side walls of the semi-rings are provided with semi-circular sliding rings, the outer side walls of the semi-circular sliding rings are slidably connected with semi-circular sliding rails, and the outer side walls of the semi-circular sliding rails are fixedly connected with semi-circular bases; an adjustable clamping mechanism for clamping a water-cooled wall pipeline is installed on the outer side wall of each semi-ring, a detection mechanism is installed on the side, close to a pipeline groove, of one semi-circle base, and an opening aligning mechanism is installed on the outer side wall of each semi-circle base. When the semicircular seat is rotated, the round head of the detection mechanism walks on the water-cooled wall pipeline groove, in the process, the swing amplitude of the pointer represents the deviation degree of the circle center of the semicircular seat and the circle center of the water-cooled wall pipeline, if the swing amplitude is too large, the semicircular seat and the water-cooled wall pipeline are kept concentric through the adjustable clamping mechanism, and opening alignment positioning is achieved through the semicircular seat; and alignment deviation is reduced.

The invention discloses a train stop control method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining each first deviation value of train stop in a historical time period, the first deviation value being a position deviation value between an actual stop point of a train at a platform and a preset target stop point; determining a deviation average value and a deviation standard deviation according to each first deviation value; according to the deviation average value, the deviation standard deviation and a normal distribution relational expression, a predicted deviation value of the train stopping at the next platform is determined; in the process of driving the train to the next platform, for each preset period, acquiring a first distance between the train and a target parking point of the next platform in the period; determining a second distance according to the first distance and the predicted deviation value; determining a first speed of the train in the period according to the second distance; and the train is controlled according to the first speed in the period, and the train station stopping accuracy is improved.

The invention relates to the technical field of rice processing, in particular to a conveying device for rice processing, which comprises two vertical plates, a plurality of tooth rollers for driving, a conveying mechanism for conveying materials and an adjusting mechanism for adjusting the conveying mechanism, the ends, deviating from each other, of the two rotating rollers at the two ends of any tooth roller are rotationally connected with one sides of the two vertical plates correspondingly. According to the conveying device, materials are placed on the top face of the conveying mechanism, then the conveying mechanism is used for conveying the materials, the conveying mechanism is limited by the two adjacent rotating rollers, the phenomenon of belt deviation is reduced, the edge of the top face of the conveying mechanism can be warped through the adjusting mechanism, and other parts of the conveying mechanism are in the original state; therefore, the conveying capacity of the conveying mechanism can be improved, the situations of roller disengagement and deviation of the belt are reduced, and materials in the conveying mechanism can be adjusted through the adjusting mechanism so that the materials in the conveying mechanism can be distributed more evenly.

The utility model provides an underground cellar well environment monitoring device, which relates to the field of detection equipment, and comprises a well body, an installation assembly is fixedly connected to the inner wall of the well body, a conductive assembly is fixedly connected to the interior of the well body, one end of the installation assembly is fixedly connected with a clamping assembly, the installation assembly comprises a fixing block, and one end of the fixing block is fixedly connected to the well body. The end, away from the well body, of the fixing block is fixedly connected with the supporting block, and the end, close to the supporting block, of the fixing block is rotationally connected with the mounting block, so that equipment can be conveniently mounted and fixed in a narrow or difficult-to-contact position through the design, and the mounting difficulty and required additional tools are greatly reduced; according to the utility model, the structure is simple, the operation stability of the equipment is ensured, risks possibly caused by loosening of the equipment are reduced, the current is effectively dispersed and absorbed, current overload and local hot spots are avoided, the overall safety is improved, and the problem of difficult installation caused by space limitation or occasions with high installation positions is effectively solved.

The material guiding device comprises a conveying belt, a material guiding pipe and a driving mechanism, the material guiding pipe comprises a first section and a second section, the first section and the second section jointly form a material guiding channel, the first section is provided with a feeding port, the second section is provided with a discharging port facing the conveying belt, and the material guiding pipe is constructed in the mode that the second section can rotate relative to the first section; the driving mechanism comprises a first driving assembly connected to the second section, the first driving assembly is used for driving the second section to rotate relative to the first section, and the material guiding device can reduce the situation that materials are stacked unevenly when the belt conveyor conveys the coal materials so as to reduce the situation that the conveying belt deviates.

The invention discloses a grooved belt pulley casting mold and a casting method thereof, and relates to the technical field of belt pulley casting. Comprising a bottom plate, a lower template is fixedly arranged in the middle of the top surface of the bottom plate, and an upper template is arranged above the lower template; the left side and the right side of the lower die plate are provided with a pair of semicircular die plates, and the upper die plate, the lower die plate and the pair of semicircular die plates are mutually closed to form a grooved belt pulley casting cavity. The upper mold plate, the lower mold plate and the pair of semicircular mold plates are arranged to be mutually closed to form the grooved belt pulley casting cavity, the combined mold plate is provided, the combined mold plate is more convenient to mount, dismount, clean and the like, and the combined mold plate is matched with a servo motor, a connecting rod assembly and other components, so that the production efficiency is improved. The upper mold plate, the lower mold plate and the pair of semicircular mold plates can be mutually closed or separated, so that casting and demolding of the belt pulley with the groove are automatically completed, the operation is simple, and the labor cost is low.

The utility model discloses a release film feeding device for double faced adhesive tape production, which relates to the technical field of double faced adhesive tape production and comprises a U-shaped table, a fixed clamping mechanism is arranged on the rear side of a first L-shaped frame plate, and positioning mounting components are respectively arranged on the front side and the rear side of the bottom of the transverse surface of the first L-shaped frame plate. The opposite faces of the two positioning installation assemblies are movably connected with discharging rollers, a winding mechanism is arranged on the rear side of the second L-shaped frame plate, a winding roller is arranged at the bottom of the transverse face of the second L-shaped frame plate, the front side of the winding roller is movably connected with an installation assembly, and the upper sides and the lower sides of the opposite faces of the two vertical plates are rotationally connected with positioning rollers correspondingly. The opposite faces of the inner walls of the U-shaped frame plates are rotationally connected with rotating rollers. The outer wall of the discharging roller is positioned by the arc-shaped clamping plates on the upper side and the lower side through the elasticity of the spring, so that the outer walls of the left side and the right side of a release film on the discharging roller are positioned, and the release film on the discharging roller is prevented from deviating during conveying.

The utility model relates to the technical field of clothing equipment, in particular to an automatic ironing machine for cotton and linen clothing processing, which comprises an ironing table, a conveying structure fixed on the ironing table and used for conveying clothing, a steam generator and a U-shaped supporting plate fixed on the ironing table, the output end of the lifting push rod is fixedly connected with a connecting plate, two electric push rods are arranged on the side, facing the ironing table, of the connecting plate, the output ends of the two electric push rods are opposite, the output end of each electric push rod is provided with an ironing hopper, and each ironing hopper is communicated with the steam generator through a hose. According to the ironing machine, the ironing bucket and clothes are pressed tightly through the lifting push rod, the electric push rod drives the ironing bucket to flatten and iron the clothes, the clothes can be ironed in the flattening process of the ironing bucket, and the ironing machine can solve the problem that the clothes need to be flattened manually before being ironed.

The utility model relates to a computer host placing device, which belongs to the technical field of software development and comprises a fixing base and a computer host body, a fixing mechanism is arranged outside the fixing base, a limiting component is arranged at the top of the fixing base, and the fixing mechanism comprises a sucker fixedly connected with the fixing base. The top of the fixed base is fixedly connected with a damping assembly, and the top of the damping assembly is fixedly connected with a supporting plate attached to the computer host body. According to the computer host placement device, by arranging the fixing mechanism, placement and fixation of a computer host are facilitated, shaking and deviation of the computer host in the using process are reduced, the installation effect of the computer host placement device on the computer host is enhanced, and the problem that a spring is not limited, and when the computer host is vibrated and collided, the spring is not limited is solved. The problems that the computer host is prone to shaking, the installation stability of the computer host is affected, and the installation and fixing effect of the computer host containing device on the computer host is reduced are solved.

The invention relates to the field of insulator robots, in particular to an insulator metamorphic robot mechanism based on secondary metamorphism and a using method, and a secondary metamorphic clamping mechanism comprises a secondary metamorphic clamping mechanism and a metamorphic epicyclic bevel gear train clamping mechanism. The secondary metamorphic clamping mechanisms are arranged at the far ends of the metamorphic epicyclic bevel gear train clamping mechanisms and used for clamping insulator umbrella skirts, the metamorphic epicyclic bevel gear train clamping mechanisms are used for clamping insulator steel caps, and the two sets of secondary metamorphic clamping mechanisms achieve clamping jaw rotation and clamping jaw movement in the metamorphic epicyclic bevel gear train clamping mechanisms through epicyclic bevel gear trains. In the clamping process, a clamping jaw of the secondary metamorphic clamping mechanism moves to drive the secondary metamorphic clamping mechanism to complete clamping of an insulator umbrella skirt and then continuously moves to complete clamping of an insulator steel cap, finally the robot is fixed to an insulator chain, the adaptability to the size of an insulator is high, the stable clamping capacity is provided, and the working efficiency is improved. The robot is protected against deviation when moving on the insulator chain, and the stress condition is good.

The invention provides a thin film automatic temperature control tensioning type feeding and conveying device, which belongs to the technical field of thin film conveying and comprises a main body, a transmission mechanism and a tensioning mechanism, a guide roller and a hollow cylinder are fixedly connected into the main body, and a conveying belt is rotationally connected into the main body; the transmission mechanism comprises a Y-shaped plate, a toothed plate, a gear shaft and a cam plate, the outer surface of the cam plate is in a protruding shape, and the side, away from the toothed plate, of the Y-shaped plate is rotationally connected with a limiting frame; the tensioning mechanism comprises a swing plate, a rectangular groove, a guide plate, a balancing weight, a hollow frame and a sliding plate. When gas in a T-shaped disc of the rotating mechanism is extracted, a thin film on the surface of the T-shaped disc can be adsorbed through a round hole in an arc-shaped plate, an inner frame is pulled forwards through a limiting frame, the adsorbed thin film is driven by the arc-shaped plate to slide forwards, the thin film is tensioned, the tension of the thin film during transportation is increased, and the conveying efficiency of the thin film is improved. Therefore, the film is recovered to a relatively stable state, and the phenomenon of film looseness caused by sudden decrease of tension is reduced.

The utility model relates to the technical field of coal mine production, and discloses a coal mine belt conveyor anti-deviation structure which comprises two bearing plates, a roller A is rotationally connected to the middles of the top faces of the two bearing plates, and anti-deviation mechanisms are fixedly connected to the left sides and the right sides of the top faces of the two bearing plates. And hydraulic cylinders are rotationally connected to one sides of the four anti-deviation mechanisms, base plates are welded to the front faces and the back faces of the inner side walls of the two bearing plates correspondingly, and dust falling mechanisms are fixedly connected to the top faces of the two base plates. According to the deviation preventing structure of the coal mine belt conveyor, through the arrangement of the deviation preventing mechanism and the hydraulic cylinders, when the deviation preventing structure is used, the four sets of hydraulic cylinders are started according to the condition of coal mine weighting, the four sets of hydraulic cylinders jack up the four sets of rollers B to proper angles under the action of the four sets of rotating shaft blocks and the four sets of rotating shafts correspondingly, and therefore the inclination angles of the four sets of rollers B are adjusted; and the phenomenon of deviation of the conveying belt can be reduced, frequent deviation adjustment and maintenance of the device are not needed, and convenience is improved.

The utility model discloses a double-side-wall insulated gate sheet, a non-polar arc extinguishing structure and a direct-current circuit breaker, and belongs to the technical field of low-voltage electric appliances. The double-side-wall insulated gate piece comprises a side wall insulated gate piece set, the side wall insulated gate piece set is composed of a plurality of insulated gate pieces, the insulated gate pieces are arranged to be perpendicular to an arc isolation wall in the direct-current circuit breaker, and the insulated gate pieces are arranged in an extending mode in the arc movement direction. The technical problems that arc extinguishing of an insulated gate sheet of a direct-current arc only depends on the action of a magnetic field and an airflow field of the arc, the lengthening and cooling action of the insulated gate sheet on the arc is limited, and an external magnetic field has directivity and cannot meet the requirement of non-polar direct-current arc breaking are solved.

The present invention provides an automatic feeding and posture adjustment device for a coil spring before a load test, which belongs to the technical field of spring feeding, and includes an adjustment mechanism and a manipulator. The adjustment mechanism includes a housing, a rotating assembly and an end positioning assembly; a feeding sensor is installed below the adjustment slot; the rotating assembly includes two rotating shafts and a rotating motor; the end positioning assembly includes a vibration plate, a limit plate and a piston; a guide slot is provided on the limit plate, a limit rod that can penetrate the guide slot and limit the end is connected to the piston, and a reset spring is connected between the piston and the vibration plate. The rotating assembly of the present invention can drive the coil spring to rotate and adjust the posture of the coil spring. At the same time, the limit rod positions the end of the coil spring, so that the end position of each coil spring is consistent, which is convenient for the coil springs grasped by the manipulator to have consistent postures, and is conducive to improving the accuracy of the test.

The invention discloses a control method for tail swinging and deviation in the entrance section of a cold rolling continuous annealing unit, and belongs to the field of metallurgical equipment. It includes the following steps: 1. Install a pinch roller after shearing between a double-layer shear and a welder, and install a pressure roller between the pinch roller after shearing and the welder near the welder; 2. When the strip enters the tail swinging stage, reduce the moving speed of the strip to a first set speed and make the strip tail not fall off the coiler. At this time, control the pinch roller after shearing and the pressure roller to press down, and then continue to reduce the moving speed of the strip tail to stop, and the double-layer shear works to cut the strip; 3. After cutting the strip, make the pinch roller after shearing and the pressure roller continue to be in a pressed down state, control the strip to move to the front of the welder at a second set speed and stop, enter the welding state, and the strip tail swinging ends. During the movement, control the driving motor of the pinch roller after shearing to be in a negative torque operation state. The invention can effectively solve the strip deviation phenomenon in the entrance section and improve the production efficiency of the production line.

The utility model relates to the technical field of conveyors, in particular to a tray conveyor which comprises two supporting cross rods which are symmetrically arranged in parallel, each supporting cross rod is provided with a supporting shaft perpendicular to a body of the supporting cross rod, a first rotating wheel is rotationally arranged on each supporting shaft, and the tray conveyor further comprises a rotating shaft penetrating through the two supporting cross rods. Two second rotating wheels are arranged on the portion, between the two supporting transverse rods, of the rotating shaft in a spaced mode, each second rotating wheel is provided with one first rotating wheel corresponding to the second rotating wheel, two annular conveying belts are further included, and the inner side of each annular conveying belt is provided with a positioning protruding strip surrounding the annular conveying belt in a protruding mode; annular grooves matched with the positioning raised lines in width are concavely formed in the circumferential side surfaces of each first rotating wheel and each second rotating wheel; each annular conveying belt is arranged on the corresponding first rotating wheel and the corresponding second rotating wheel in a sleeving mode, and the positioning protruding strips on the inner sides of the annular conveying belts are clamped into the annular grooves formed in the first rotating wheels and the annular grooves formed in the second rotating wheels. The conveying device further comprises a driving assembly used for driving the rotating shafts to rotate.

The utility model relates to a roll structure for winding release paper, which comprises a winding roll, and rotating shafts in the winding roll are mounted on mounting seats on the left side and the right side through bearing seats; clamping rings are arranged on the left side and the right side of the winding roller, at least one pressing wheel assembly is arranged on the portion, on the outer side of the winding roller, of the installation base, the pressing wheel assembly comprises a pressing wheel, the pressing wheel is arranged in the vertical direction and can be consistent with the running direction of the winding roller, and a gap is formed between the pressing wheel and the winding roller on the inner side. The clamping rings are arranged on the left side and the right side of the winding roller, so that the probability that release paper deviates or falls off on the winding roller can be effectively reduced; according to the utility model, through the structural arrangement of the pinch roller assembly, the release paper on the winding roller can be guided and pressed.

The utility model provides a coal mine transportation reversed loader which comprises a vehicle body and a moving assembly, and a plurality of transportation units are arranged on the vehicle body. The moving assembly comprises a supporting frame and walking wheels, one end of the supporting frame is connected to the vehicle body, the other end of the supporting frame is connected to the walking wheels, the supporting frame can rotate relative to the vehicle body, the walking wheels are arranged on the two sides of a track in the coal mine tunnel in a striding mode, and the difference value between the wheel distance of the walking wheels and the track gauge of the track in the coal mine tunnel ranges from 10 cm to 40 cm. According to the coal mine transportation reversed loader, the stability and the moving efficiency of the reversed loader can be improved, various problems caused by the fact that the track wheels deviate or are separated from the track are reduced, and therefore the smooth proceeding of the coal mining process is guaranteed.

The utility model relates to the field of plate trimming, and discloses an edge trimmer for plate processing, which comprises a supporting frame arranged on an equipment base, and two trimming assemblies used for trimming plates and a push plate used for applying backward thrust to the plates during plate trimming feeding are arranged on the supporting frame; by arranging the two trimming assemblies used for trimming the plate, the pushing plate used for providing backward pushing force for the plate when the plate is trimmed and fed and the pushing assembly used for driving the pushing plate, when the two sides of the plate are trimmed and cut at the same time, shearing force generated by cutters on the two sides is mutually balanced; the problem of plate deflection or distortion possibly caused by single-side cutting is reduced, it can be ensured that the plate keeps linear motion when passing through the trimming assembly, meanwhile, the arranged push plate provides forward pushing force and guiding effects, continuous and uniform force application of the push plate can help to keep the plate to stably advance along a preset path, and the trimming efficiency is improved. Even if resistance changes occur in the cutting process, the plate can be effectively prevented from deviating from the center line.

The invention discloses a drilling machine positioning device and method adapting to complex terrains, relates to the technical field of drilling machine exploration, and aims to solve the technical problem that manual adjustment is tedious and inconvenient. A sliding truss is arranged on the double-shaft adjusting block through a turnover motor; a swing arm type connecting assembly is arranged on the sliding truss in a sliding mode. A drilling machine assembly is arranged at the output end of the swing arm type connecting assembly. Supporting arms are arranged at the two ends of the double-shaft adjusting block, and the double-shaft adjusting block is rotationally connected with the supporting arms through an auxiliary motor. A positioning assembly is arranged at the bottom end of the support arm; and the positioning assembly is connected with the support arm through a driving assembly. According to the drilling machine assembly, the sliding truss and the supporting arm are adjusted on the basis of mechanical operation and matched with the swing arm type connecting assembly, so that the drilling machine assembly can be adjusted at various angles to adapt to top, side and bottom surface geological drilling exploration operation, and the drilling machine assembly can adapt to different needed drilling exploration terrains.

The utility model discloses a car-mounted air purifier, which relates to the field of air purifiers, solves the problems that inertia is easy to generate in the braking or starting process of a car, the air purifier is easy to shake when being directly placed to cause position deviation, and certain danger exists, and comprises a main board and a wearing structure arranged on the side wall of the bottom, the wearing structure comprises long strips, long grooves are formed in the two side walls of the bottom of the main board, the long strips are installed on the embedded surfaces of the long grooves, the outer end of one long strip is fixedly connected with a buckle box, and the outer end of the other long strip is fixedly connected with an elastic inserting buckle; according to the vehicle-mounted air purifier, the main board is provided with the purification structure, the purifier is used in a fixed mode, the situation that due to inertia generated during braking or starting of a car, the position of the purifier slides or deviates is effectively reduced, the using process is more convenient, the whole wearing structure is ingenious in design and easy and convenient to operate, and the practicability and convenience of the vehicle-mounted air purifier are improved.

The utility model discloses an anti-counterfeiting coating processing device for wine box package printing, which relates to the technical field of anti-counterfeiting coating processing and comprises a processing table, an anti-counterfeiting coating printing machine and a drying box are sequentially fixed on the outer wall of the top of the processing table, and channels are arranged on the lower portions of the anti-counterfeiting coating printing machine and the drying box. Guide mechanisms are arranged on the two sides of the machining table, and each guide mechanism comprises an anti-deviation assembly, a first support, a second support, a guide roller, a motor and a roller body. According to the anti-deviation device, the two anti-deviation assemblies are arranged, the situation that anti-fake label printing paper deviates in the conveying process can be effectively reduced, then the situation that an anti-fake coating is printed askew is reduced, the processing quality of the anti-fake coating can be effectively improved, and the number of defective products is reduced; and a dust filtering type hot air mechanism is arranged, so that the situation that external dust is brought into the surface of the anti-counterfeiting coating in the hot air drying process can be avoided, and the situation that the surface of the anti-counterfeiting coating is polluted by the dust is avoided.

This utility model discloses a drilling device for automotive stabilizer bars, relating to the technical field of automotive stabilizer bar processing equipment. It includes a drilling device, a first support block, and a second support block. A fixed frame slides on the top of the first support block, and a guide block is fixed at the center of the top of the fixed frame. Horizontally mounted top plates are fixed to the side walls of the top of the fixed frame at both ends, close to each other. An inclined surface is provided on the top of the guide block near each of the two top plates. A slider slides vertically on one side wall of the second support block. In this utility model, a flipping mechanism automatically flips the stabilizer bar after drilling at one end, allowing drilling at the other end. This eliminates the need for manual flipping of the stabilizer bar, avoiding manual alignment of the drilling position. Furthermore, during drilling, the device can press down and fix the stabilizer bar, thereby reducing deviation or vibration during drilling, ensuring drilling accuracy and stability, and improving product quality.

The present invention discloses a high-efficiency and energy-saving generator set device and a method of using the same, which relate to the relevant field of power system, including a generator set. The grid-connected structure of components such as a quantitative pump, a control output component, and a variable motor is set, and the grid-connected requirements of the generator set are fully met in combination with a speed control method. Under different wind speed input conditions, the gear box speed greatly reduces the deviation value, and the setting of a proportional valve and a throttle valve can reduce the gear box speed volatility and low-frequency fluctuation amplitude.

The invention relates to the technical field of blast furnace smelting, in particular to a method for correcting severe deviation of circumferential descending speed of a blast furnace charge level, which comprises the following steps: increasing the air inlet rate of a fast blanking area to slow down the blanking speed of the fast blanking area until the descending speed of the charge level is circumferentially uniform; or, the air inlet amount of the slow discharging area is reduced, so that the discharging speed of the slow discharging area is increased till the downward speed of the material level is uniform in the circumferential direction; or the air inlet amount of the fast discharging area is increased and the air inlet amount of the slow discharging area is reduced at the same time until the downward speed of the material level is uniform in the circumferential direction. According to the method, a traditional blast furnace charge level deviation mechanism is overturned, a tuyere layout adjustment strategy opposite to a traditional method is adopted, and the charge level deviation problem occurring in the blast furnace production process is successfully solved. No matter a small blast furnace or a large blast furnace, the stock rod deviation is obviously improved by implementing the method disclosed by the invention, and the deviation value is greatly reduced to be within a reasonable range (lt); 300mm), and can be kept stable for a long time.

The utility model belongs to the technical field of stacker-reclaimer, and particularly relates to a stacker-reclaimer primary trailer pull rod fixing device, which comprises: a first fixed base, which is symmetrically installed on the belt supporting roller frame support beam of the primary trailer in two, and is located at the two sides of the primary trailer belt respectively; a second fixed base, which is symmetrically installed on the L-shaped beam of the primary trailer in two; a pull rod, which is obliquely arranged in two; one end of the pull rod is connected with the first fixed base, and the other end is connected with the corresponding second fixed base. The utility model can eliminate the belt machine deviation phenomenon caused by the center line deviation of the primary trailer of the double-trailer stacker-reclaimer from the center line of the ground belt machine, solve the problem of shutdown caused by the running deviation of the belt machine due to the deviation of the primary trailer of the fixed double-trailer stacker-reclaimer, and have a good market application prospect.

The present application provides a planned production management device, production management system, production management method and storage medium that can be produced with less deviation from actual production. The production management device of the embodiment acquires a first short-term plan that is produced based on a first long-term plan indicating a plan for production in a prescribed period and indicates a plan for production in a first period that is shorter than the prescribed period, acquires first actual performance data indicating actual performance in work performed along a part of the first short-term plan, acquires first prediction data indicating a prediction of actual performance in work performed along another part of the first short-term plan using the first actual performance data. The production management device corrects the first short-term plan based on the first prediction data, acquires second prediction data indicating a prediction of actual performance in production in the prescribed period using second actual performance data indicating actual performance in work in the first period, and produces a second long-term plan for production in the prescribed period using the second prediction data.

The application discloses heavy telescopic soft ground tailing pit filling conveyor, including fixed frame, telescopic frame, power roller, first motor, first speed reducer, V-shaped support, fixing bolt, inclined support roller, first support roller, conveying belt, limit rod, hydraulic push cylinder, counterweight bottom plate, hydraulic station, fixed support, winding roller, second motor, second speed reducer, inclined support, steel wire rope, bearing plate, hydraulic top cylinder and connecting seat, the fixed frame is rotatably connected with power roller, third deflector and fourth deflector, the fixed frame is slidably connected with telescopic frame, the telescopic frame is rotatably connected with first deflector and second deflector, the heavy telescopic soft ground tailing pit filling conveyor is designed, and the pit filling material is centrally conveyed to the pit by V-shaped conveying belt, compared with the conventional mode of vehicle transfer and forklift pushing, the efficiency loss caused by multi-link cooperation is eliminated, and the material accumulation at the edge of the pit is effectively avoided.

The invention relates to a method for controlling the integrity of a single crystal of a quadruple guide blade, and belongs to the technical field of precision casting of aviation turbine blades. The casting method of the quadruple single crystal guide blade comprises the processes of ceramic mold core preparation, wax mold module pressing and combination, shell mold preparation, directional solidification, depoling, stress relief annealing, vacuum heat treatment, single crystal integrity detection and the like. The wax mold module comprises a pouring system wax mold, a blade wax mold, a transition section and a spiral crystal selector; the blade wax mold is provided with a blind riser which is arranged on the large margin plate and is flush with the end face of the exhaust edge of the blade body extension section on the outer side of the large margin plate; one end of the blade wax mold is connected with the plate-shaped ingate, the other end is connected with the transition section, and the transition section is connected with the bottom plate through the spiral crystal selector. According to the method for controlling the integrity of the casting blade single crystals, the metallurgical defects of mixed crystals, recrystallization and the like of the quadruple integral casting single crystal turbine guide blade can be effectively reduced, the problem of the integrity of the blade single crystals is solved, and the qualified rate of the quadruple single crystal guide blade is increased.

This utility model discloses a traction and storage device for flexible 3D printing consumables, comprising: a first platform; two sets of side supports, fixedly and spaced apart on the top of the first platform; two sets of guide rods fixedly connected to the top of the side supports; upper adjusting blocks movably sleeved on the two sets of guide rods; bearings fixedly embedded in the inner side of the upper adjusting blocks; and a machine top fixedly connected to the upper end of the guide rods. A PLC control system is provided on the top of the machine top; and two sets of first lower traction rollers are provided between the two sets of side supports. This application, by setting an adaptive buffer roller structure and using a spring-loaded soft compression method to pull out the flexible consumables, provides buffering for the consumables during high-speed traction, effectively preventing deformation and ensuring that the consumables are stably extruded while remaining in the center of the rollers. This greatly reduces the risk of consumables deviating or getting caught in the shaft, and improves the stability and continuity of production.