36results about How to "Accurate weight" patented technology

The invention discloses a high-precision metering and weighing system based on PLC control, relates to the technical field of metering and weighing, and realizes precise product weight measurement and sorting by combining a pressure sensor, a weighing module and a fuzzy PID control algorithm. The system can quickly convert the weight information of the product to be detected into a voltage signal, and after amplification and analog-to-digital conversion, an accurate digital signal is provided for the PLC. And the PLC performs error analysis and parameter adaptive adjustment by using a fuzzy PID algorithm, so that the control precision and the response speed are improved. In addition, through quantitative processing and use of a membership function, the system can effectively reduce errors and perform self-correction, and therefore the accuracy and reliability of overall weighing and sorting are improved. According to the invention, the weighing system can realize high-efficiency automatic control in industrial application, and can meet the weighing requirements of different products.

The invention provides a fish grading, weighing and counting device. The fish grading, weighing and counting device comprises a first box body, a fish sucking mechanism, a filter plate, a second box body, a classifying mechanism, a counting and weighing mechanism and a fish containing mechanism, the fish sucking mechanism is used for sucking a fish school from the outside to the first box body; the filter plate is arranged below the fish suction mechanism; the classification mechanism is rotationally arranged on the inner side wall of the second box body and used for dividing fish schools into large fish schools, medium fish schools and small fish schools; the three counting and weighing mechanisms are arranged below the classification mechanism and are used for counting and weighing the large fish schools, the medium fish schools and the small fish schools classified by the classification mechanism respectively; the three fish containing mechanisms are correspondingly arranged below the three counting and weighing mechanisms and used for containing large fish schools, medium fish schools and small fish schools which are counted and weighed respectively. By means of the classification mechanism and the counting and weighing mechanism, the device can accurately divide fish schools into different sizes and classes and accurately measure the weight and the number of the fish schools of different classes, and reliable data support is provided for subsequent processing and selling.

The peritoneal dialysis system (10) includes: a circulation machine (20) comprising a pump actuator (60), a patient line valve actuator (34e), at least one supply line valve actuator (34b, 34c), and an exhaust line valve actuator (34a); and a disposable medical fluid cartridge (130) comprising a pumping section (126) configured to operate using the pump actuator (60), a patient line valve seat (132e) configured to operate using the patient line valve actuator (34e), a rigid body (138) defining a common pit (146), at least one supply line valve seat (132b, 132c) located in the common pit (146) and configured to operate using at least one supply line valve actuator (34b, 34c), and an exhaust line valve seat (132a) located in the common pit (146) and configured to operate using the exhaust line valve actuator (34a).

An automatic conveying device for continuous preheating in waste steel smelting comprises a waste steel apron machine, a hopper is arranged at the input end of the waste steel apron machine, a weighing turnover hopper is arranged on one side of the hopper, and a fuel gas cover is arranged above the weighing turnover hopper. The fuel gas cover is pushed by the electric-hydraulic push rod to move back and forth above the weighing overturning hopper and the hopper; a rotary vibration chute is arranged at the output end of the waste steel apron machine, and the rotary vibration chute rotates leftwards and rightwards and feeds preheated waste steel into different smelting furnaces; a movable dust collecting cover is arranged above the head of the scrap steel apron machine, the rotary vibration chute and the melting furnace, the upper portion of the movable dust collecting cover is connected with a dust remover assembly through a smoke pipe, and the output end of the dust remover assembly is communicated with the interior of a hopper of the scrap steel apron machine through an air duct. According to the automatic conveying device for continuous preheating in waste steel smelting, continuous conveying and preheating of a waste steel apron machine can be achieved, the smelting time is shortened, the production efficiency is improved, and meanwhile energy consumption is reduced.

The invention relates to the technical field of crystal growth, in particular to a continuous feeding LEC crystal growth device and a crystal growth method. The crystal growth method comprises the following steps: S1, fixing an auxiliary crucible in a main crucible; s2, crystal raw materials are added into the main crucible and melted; s3, the heated dopant in the dopant injection chamber is added to a doping area in the auxiliary crucible; s4, the liquid sealing melt is injected into the chamber, and the heated liquid sealing melt is added into a crystal pulling area in the auxiliary crucible; s5, the main crucible and the auxiliary crucible are rotated, the seed rod is rotated and lifted, and the seed rod is annealed through an annealing heater; s6, the material supplementing amount is calculated, and the heated crystal melt in the material supplementing crucible is added to a material supplementing area between the main crucible and the auxiliary crucible; s7, the doping agent supplementing amount is calculated based on the supplementing amount, the crystal melt feeding amount and the doping agent feeding amount, the doping agent is added into the auxiliary crucible, and continuous feeding in the growth process of large-size crystals can be effectively guaranteed through the crystal growth method.

The utility model discloses an automatic measuring, weighing and batching device for PVC (polyvinyl chloride) production raw materials, which belongs to the technical field of automatic measuring, weighing and batching devices and comprises a conveyor, a liquid material tank and a powder material tank, a departure detection sensor and an arrival detection sensor are arranged on two sides of the conveyor on the conveyor, a liquid material conveying device is arranged on the liquid material tank, and a powder material conveying device is arranged on the powder material tank. One end of the liquid conveying device is located on the upper side of the raw material barrel, the other end of the liquid conveying device is located on the upper side of the liquid tank, a first electric valve and a first liquid pump are arranged on a liquid outlet pipe, one end of the liquid outlet pipe is connected with a mixing bin, a discharging pipe is arranged at the bottom of the powder tank, a second electric valve is arranged on the discharging pipe, and a weighing device is arranged on the lower side of the powder tank and connected with the mixing bin. One end of the mixing bin is provided with an accelerating pipe, the accelerating pipe is connected with a stirring kettle, through automatic accurate calculation and then automatic conveying, accurate matching of liquid materials and powder materials is achieved, time and labor are saved, and damage to health of production personnel is avoided.

The present invention belongs to the technical field of garbage recycling, and in particular, relates to an automatic weighing device for a compression type garbage collection truck, comprising a hydraulic lifting external frame; a weighing sensor module for mounting a garbage can and weighing it, the weighing sensor module performing lifting and lowering motions along the two side frames of the hydraulic lifting external frame; and a position sensor module for sensing the position of the garbage can, the position sensor module being mounted on one side frame of the hydraulic lifting external frame. The present invention also provides an automatic weighing method for a compression type garbage collection truck, firstly calculating the rising state sampling position and the rising state compensation coefficient; then calculating the falling state sampling position and the falling state compensation coefficient; and finally calculating the weight of the garbage collected this time. The present invention solves the problem of inaccurate weighing caused by unstable center of gravity and short sampling time when hanging a bucket, and achieves the purpose of accurate weighing.

The utility model relates to product packaging technical field, concretely is a vertical packaging machine of weight detectable, including frame, be equipped with charging mechanism on the frame, be equipped with weight detection device below charging mechanism, weight detection device includes support, support fixed mounting is in the frame, be equipped with clamping mechanism on the support, be equipped with weighing sensor between clamping mechanism and support. Can solve the problem of not detecting the weight unqualified product in time, reduce production efficiency, increase production cost.

This invention discloses a track load detection method, belonging to the field of rail transit. The rails on both sides of the detection area are detected using the same method. For one side of the rail, two detection positions are set on the web of a section of rail within every two adjacent sleepers, and a shear force sensor is installed at each detection position. A bridge is formed between the shear force sensors at the Nth and N+1th detection positions, and another bridge is formed between the Nth and N+3th detection positions. Each shear force sensor is connected to a processor. A specific data processing scheme of this invention is applied to obtain the precise weight of the vehicle. This invention does not use weighing sensors, has a simple structure, is easy to install, and requires no modification to existing roadbeds, sleepers, or fasteners. It can accomplish projects that are difficult to complete with existing technologies, such as high-speed rail and subways, which are sensitive to modifications and have time constraints, reducing construction time, costs, and safety hazards.

The invention discloses an automatic quantitative packaging machine and a using method thereof, and particularly relates to the technical field of material packaging, the automatic quantitative packaging machine comprises a packaging device body and a supporting table, a quantitative feeding nozzle is installed at the bottom of the packaging device body, and the quantitative feeding nozzle is used for quantitatively packaging materials; the quantitative assembly is used for pushing the materials adsorbed in the quantitative feeding nozzle and keeping the materials in the quantitative feeding nozzle quantitative during packaging every time, and the quantitative assembly comprises a supporting table installed between the quantitative feeding nozzle and the packaging device body and a guiding cavity formed in the middle of the interior of the supporting table and allowing the quantitative feeding nozzle to be inserted therein; according to the quantitative feeding nozzle, through the arrangement of the quantitative assembly, residual materials in the quantitative feeding nozzle can be cleaned in time, it is ensured that the residual materials in the quantitative feeding nozzle can be collected by the material packaging container, and the situation that the weight of packaging is not accurate every time due to the fact that the residues affect subsequent material metering is avoided; therefore, the overall packaging precision is improved, and the overall inspection quality of the packaging container is improved.

The invention discloses a resin powder precise feeding device, which relates to the technical field of feeding, and comprises a case, and further comprises a stock bin, a first vibration part, a hopper, a feeding plate, a second vibration part, a first weighing part, a blanking hopper, a moving mechanism, a tray and a second weighing part which are mounted in the case. The first vibration part drives the stock bin to vibrate, resin powder in the stock bin is conveyed into the hopper from the discharging end, the second vibration part drives the feeding plate to vibrate, the feeding plate conveys the resin powder in the hopper into the falling hopper from the discharging end, and the moving mechanism drives the falling hopper to descend and move. The height difference between the discharging port of the discharging hopper and the tray is reduced, resin powder falls into the tray and is not prone to bouncing off the tray, the moving mechanism drives the discharging hopper to reciprocate on the horizontal plane, the resin powder can be evenly scattered into the tray, and the second weighing part measures the weight of the resin powder contained in the tray. Therefore, the supply precision of the resin powder is improved.

This utility model provides an automatic weighing device for preventing the diffusion of carbon black in tire production, belonging to the field of carbon black production technology. The device includes a storage cylinder, a weighing cylinder, a sealing cap, and a conveying pipe. The storage cylinder is shaped like an inverted frustum, with a rectangular outlet at its bottom. The weighing cylinder is positioned below the storage cylinder, with a rectangular inlet at its top corresponding to the outlet at the bottom. The weighing cylinder is cylindrical. The sealing cap is connected to the bottom of the storage cylinder via a hinge shaft, the axis of which is parallel to the long side of the rectangular outlet. The sealing cap is used to open or close the rectangular outlet at the bottom of the storage cylinder. One end of the conveying pipe is connected to the side wall of the weighing cylinder, and the conveying pipe is L-shaped. The other end of the conveying pipe extends downwards at an angle. This utility model solves the problem in the prior art where carbon black weighing during tire production causes carbon black dust to diffuse into the surrounding environment, resulting in additional production costs and safety hazards.

The utility model discloses a flour processing material receiving device which comprises a material receiving frame, a bag opening adjusting component is arranged in the middle of the material receiving frame and used for clamping a flour bag and rolling a flour bag opening, then flour bag inserting openings are formed in the two sides of the flour bag opening, and an opening positioning component is arranged on the upper middle portion of the material receiving frame and used for opening the flour bag opening. The utility model relates to the technical field of flour receiving. According to the flour processing receiver, automatic clamping, rolling, opening and positioning of flour bags are achieved through the electric push rods and a gear transmission system, manual operation is reduced, production efficiency is improved, the opening degree of the openings of the flour bags and the positions of insertion rods and meshing rods can be accurately controlled by arranging the multiple electric push rods and gear mechanisms, it is ensured that the flour bags are correctly opened, and the production efficiency is improved. The flour filling device is simple in structure and convenient to use, flour filling is facilitated, flour processing efficiency and automation level are improved, operation safety and product quality are improved, and the flour filling device has the advantages of being reasonable in structure, high in adaptability, low in maintenance cost and the like.

The utility model belongs to the technical field of packaging, and particularly relates to a quantitative packaging device for plastic particles, which comprises a rack, and a quantifying device, a film passing device and a packaging device which are arranged on the rack, the quantifying device comprises a quantifying assembly and a feeding box arranged on the quantifying assembly; the quantitative assembly can weigh the weight of the feeding box; an intercepting assembly is further arranged in the feeding box and used for intercepting plastic particles entering the feeding box from the first feeding hopper. The film passing device comprises a film passing frame; a film passing shaft is arranged on the film passing frame, and the packaging device comprises a longitudinal packaging assembly, a transverse packaging assembly and a driving device. And the quantitative assembly is arranged for weighing, so that the plastic particles can be quantitatively packaged, subsequent manual weighing is not needed, and the workload and the labor cost are reduced. By arranging the intercepting assembly, when the weight of the feeding box reaches a set value, plastic particles entering the feeding box from the first feeding hopper are blocked, it is guaranteed that the weight of the packaged plastic particles is consistent with the weight in the feeding box, and the weight is accurate.

The application relates to a forming device for aluminum silicate fiber refractory bricks and belongs to the technical field of brick pressing machines. The output port of a stock bin (1) is communicated with the feeding port of a transfer bin (4), the transfer bin (4) is installed on a rack (3) in a lifting mode, elastic devices are arranged between the transfer bin (4) and the rack (3), a cutoff device (12) is arranged at the bottom of the transfer bin (4), transmission devices are arranged between the cutoff device (12) and the rack (3), the cutoff device (12) is closed along with the lifting of the transfer bin (4), the cutoff device (12) is connected with a locking device, or the discharge port of the transfer bin (4) is further connected with a flashboard valve, and a feeding device is arranged between the bottom of the transfer bin (4) and a main body (7) of the brick pressing machine. The forming device for aluminum silicate fiber refractory bricks controls the amount of powder entering the feeding device by precisely controlling the discharging amount, thereby ensuring the weight precision of the powder entering the feeding device, and further ensuring the stable quality of the produced refractory bricks.

The utility model belongs to the technical field of split charging equipment, concretely relates to a chemical powder quantitative split charging equipment, including, blanking mechanism contains cylinder support, material cylinder, blanking interface, cylinder cover, bearing, shaft, spiral piece, the inside of cylinder support is embedded and is installed with the material cylinder for depositing powder, the lower extreme of material cylinder is provided with the blanking interface for blanking, the upper end of material cylinder is provided with the cylinder cover for closing material cylinder, the middle part position of cylinder cover is fixed with bearing and penetrates, the inner ring wall of bearing is provided with the shaft and penetrates excess, the surface of shaft and located inside the surface of material cylinder fixed winding have the spiral piece for spiral blanking. The scheme realizes the uniform discharge of powder through the close cooperation of spiral piece and blanking interface, cooperates the weighing process of pressure sensor and weighing plate, can monitor the powder quality in container in real time, stops automatically after reaching the preset value, ensures that the weight of every powder is accurate and consistent.

The invention discloses a forming device for low-softening-temperature glass, and belongs to the technical field of glass forming, the forming device comprises a base mounted on a workbench, the base is rotatably connected with a disc, the disc is provided with a graphite mold, the outer wall of the base is provided with a protective wall, the protective wall is provided with a control background and a supporting frame, and the supporting frame is arranged on the base. A metering assembly is arranged on the supporting frame, a discharging component is arranged at the bottom of the metering assembly, a driving structure is arranged at the top of the metering assembly, the metering assembly comprises a driving rod and a limiting cylinder, one end of the driving rod is connected with a metering cylinder, and a material guide table is arranged at a discharging port in the bottom of the metering cylinder. A sliding plate is arranged on the driving rod, a spring is connected between the sliding plate and a fixing plate at the top of the metering cylinder, and a feeding port is formed in the top of the feeding cylinder. The invention discloses the forming device which improves the precision and quality stability of glass forming so as to meet the diversified requirements of the modern industry for glass products.

The invention belongs to the technical field of glue making machines, and provides an automatic glue making machine capable of achieving quantitative batching, the automatic glue making machine comprises a shell, one side of the shell is of an opening structure, a plurality of first supporting plates distributed at intervals are fixedly installed at the opening end of the shell, a first electronic scale is fixedly installed on the first supporting plates, and the first electronic scale is provided with a discharging assembly; and a mounting plate is fixedly mounted in the shell, so that the technical problem that in the prior art, when an opening of storage equipment is closed, friction vibration is caused to materials in discharging equipment, and then the materials continue to fall down is solved. And after blanking is completed, the second charging barrel is weighed through the second electronic scale, the weight increased according to the weighing result of the second electronic scale is obtained, the batching accuracy is improved, and the material proportioning device can be widely applied to the material proportioning operation scene.

A meal box processing detection device disclosed by the present invention comprises a water tank, the upper end of the water tank is fixedly connected with a support frame, the inner top of the support frame is fixedly connected with two electric telescopic rods, the telescopic ends of the two electric telescopic rods are jointly and fixedly connected with a vertical box, and the vertical box is internally provided with an up-down vibration assembly. A moving plate is slidably connected into the vertical box, and an overturning assembly is arranged at the lower end of the moving plate and comprises two fixing rods arranged at the lower end of the moving plate. According to the equipment, a lunch box is put into water and then lifted, the size of a gap generated by the lunch box can be judged by testing the weight of water in the lunch box, when the lunch box moves upwards, residual water on the surface of the lunch box can be reduced through shaking, the detection result is more accurate, and meanwhile the lunch box is overturned and then rotated, so that the detection efficiency is improved. A worker can conveniently master which meal box is not tightly sealed, the technology can be conveniently improved, and meanwhile the influence that a meal box cover is not tightly covered can be eliminated in the detection process.

The present invention belongs to the technical field of glue making machines, and provides an automatic glue making machine capable of quantitatively proportioning, comprising a shell, one side of the shell is an open structure, and a plurality of groups of first support plates distributed at intervals are fixedly mounted on the open end of the shell, a first electronic scale is fixedly mounted on the first support plate, and the first electronic scale is provided with a material unloading assembly; a mounting plate is fixedly mounted inside the shell, so as to solve the technical problem in the prior art that when the opening of the material storage device is closed, friction vibration is caused to the material in the material discharging device, thereby causing the material to continue to fall downward. The present invention can detect the reduced weight of the material in the upper and lower material components through the first electronic scale, and after the unloading is completed, the second barrel is weighed by the second electronic scale and the increased weight of the weighing result of the second electronic scale is obtained, thereby improving the accuracy of the proportioning. The present invention can be widely used in material proportioning operation scenarios.

The utility model relates to the technical field of electronic balances, discloses an electronic balance with a draining function, and solves the problem that the electronic balance suffers from excessive water during weighing. Through the supporting column, the draining disc and the heating plate, the limiting rod in the supporting column is pulled out, the bottom of the draining disc makes contact with the weighing disc of the electronic balance body, the overall weight of the draining assembly is obtained, the peeling key is pressed down, then an object to be weighed is placed on the water absorption cloth, and therefore the total amount of the object and water is obtained, and meanwhile the weight of the object to be weighed is reduced. When the article is weighed, the water absorption cloth absorbs a part of water on the outer surface of the article, the rest water flows below the filtering grid, at the moment, the weighed article is taken away, the limiting rod is inserted into the supporting column, the draining disc leaves the weighing disc, the weight of water is obtained, and the weight of water is subtracted from the value obtained through weighing last time, so that the weight of the article is obtained. And then the heating plate is started to dry the interior of the draining disc, so that the next weighing is prevented from being influenced.

The utility model relates to the technical field of nano calcium carbonate detection, in particular to a rapid moisture meter for nano calcium carbonate detection, which comprises a shell, a feeding and discharging port is arranged at the top end of the shell, a feeding and discharging plate is fixedly connected to the top end of the feeding and discharging port, and a drying layer is fixedly connected to the inside of the shell. According to the nanometer calcium carbonate drying device, through the arrangement of the motor, the rotating shaft, the stirring rods and other components, when nanometer calcium carbonate is heated and dried, the rotating shaft is driven by the motor to rotate, the stirring rods are driven by the rotating shaft to rotate, and the stirring rods are driven by the rotating shaft to rotate; the nano calcium carbonate is continuously stirred and overturned by the stirring rod, so that the nano calcium carbonate is heated more uniformly, and the drying efficiency is improved, thereby solving the problems of non-uniform heating and low evaporation efficiency caused by the fact that the nano calcium carbonate is in a static state when an existing nano calcium carbonate moisture rapid detector is used for evaporating and measuring moisture.

The utility model discloses an automatic vacuum packaging machine for meat product production, which relates to the field of vacuum packaging machines and comprises a packaging machine body, and a control panel is arranged on one side of the packaging machine body. A first feeding port is formed in the top end of the packaging machine body, a supporting frame matched with the packaging machine body is arranged on one side of the first feeding port, and a quantifying assembly matched with the first feeding port is arranged at the top end of the supporting frame. A discharging port is formed in one side of the bottom end of the packaging machine body, and an adjusting assembly matched with the packaging machine body is arranged on one side of the discharging port. Under the matching action of the packaging machine body, the quantifying assembly and the adjusting assembly, the preserved meat can be vacuumized and sealed, the refreshing time of meat products can be effectively prolonged, oxidation and deterioration are prevented, quantitative feeding and adjustment of the discharging direction of the meat products are supported at the same time, accumulation or collision of the meat products is avoided, and the quality of the meat products is improved. And the adaptability and the operation convenience of the equipment are enhanced in the processing process of meat products of the preserved meat.

The present invention discloses a metal product and a manufacturing method and a mold assembly, wherein the metal product comprises: a metal body, wherein the metal body is evenly divided into a plurality of sub-metal blocks of preset shapes, wherein the plurality of sub-metal blocks are in an array shape; adjacent sub-metal blocks are connected, and a first V-shaped groove is formed at the connection between adjacent sub-metal blocks; wherein the first V-shaped groove is provided with a sharp angle and a calibrated shape. The present invention obtains the metal product through rapid molding by primary molding and fine molding by secondary molding; the metal product obtained by the precision manufacturing method of the present invention can easily accurately divide adjacent sub-metal blocks along the first V-shaped groove, and the weight error of the divided multiple sub-metal blocks is extremely small, which overcomes the shortcomings of high production cost of traditional small and micro-weight precious metal investment products and inconvenient after-sales use of large-weight products, and greatly improves the production efficiency of small precious metal products through technological innovation, and accurately controls the error loss cost.

The utility model relates to the technical field of pile foundation counter-force detection structures, and discloses a pile foundation counter-force detection structure of a deep foundation, which comprises a detection component and a counterweight component arranged at the top end of the detection component, the detection component comprises a counterweight table, one side of the counterweight table is fixedly connected with a control assembly, and the lower bottom surface of the counterweight table is fixedly connected with an electric control hydraulic cylinder. The counter weight assembly comprises a counter weight water tank, supporting legs are fixedly connected to the lower bottom face of the counter weight water tank, a handle is arranged at the upper end of the counter weight water tank, an installation hole is formed in the upper bottom face of the counter weight water tank, and a water inlet is formed in the upper end of the counter weight water tank. The surface of the outer side of the water inlet is movably connected with the cover, by arranging the balance weight assembly, the weight of the balance weight water tank can be accurately obtained by observing the scale marks while the cover is taken down to inject liquid into the balance weight water tank, and the total weight of the balance weight can be more accurately controlled in the mode that the balance weight water tanks are stacked.

The invention discloses packaging metering lifting equipment and a lifting method for washing powder packaging, and relates to the field of lifting equipment.The packaging metering lifting equipment comprises a lifting shell, a lifting conveying belt is arranged in the lifting shell, a plurality of lifting assemblies are arranged on the lifting conveying belt, each lifting assembly comprises a lifting frame and an adjusting frame, and the adjusting frames are arranged in the lifting frames in a sliding fit mode; an adjusting assembly is arranged in the lifting shell and comprises an adjusting gear ring and a plurality of adjusting units, the adjusting units are arranged on the corresponding lifting assemblies respectively, and each adjusting unit comprises an adjusting gear. The raw materials are conveniently weighed, increased and decreased, the packaging efficiency of the raw materials is improved, the weights of the raw materials in the adjusting frames and the lifting frames are more accurate, the weights of the raw materials in the multiple adjusting frames and the multiple lifting frames are more consistent, the increasing and decreasing amount of the raw materials after follow-up weighing is reduced, the efficiency is improved, the lifted raw material weight is adjusted, packaging of the raw materials of different weights is met, and adaptability is higher.

The invention discloses a multifunctional integrated intelligent weighing system and method based on artificial intelligence, and belongs to the technical field of intelligent weighing. The method comprises the following steps: collecting weight data when objects are weighed in history, analyzing all the collected weight data, and classifying the weighed objects according to the weights; according to the classified weight data of each weighing object, analyzing the weight difference amplitude of each object to generalize the weight data, and calculating a range division limit value when the object is weighed to obtain different ranges for weighing the object; the method comprises the following steps: collecting data of object weight abnormity when an object is weighed in history, and calculating to obtain an abnormity threshold value of the weight of each object; when the object is weighed in real time, the weight of the object which is weighed in real time is judged by using the division limit values of the different measuring ranges, and a weighing range is selected; and judging whether an abnormal risk exists in the weight of the weighed object or not by using the weighing threshold value of the object with each weight, and sending out an early warning.

The invention discloses a hydraulic engineering foundation detection device which comprises a frame body, a probe rod assembly, a hammering head, a lifting rod, a clamping mechanism and a driving mechanism, the probe rod assembly is vertically arranged at the bottom of the frame body, and the hammering head is vertically arranged above the probe rod assembly in a lifting mode. The lifting rod is vertically arranged above the hammering head in a lifting mode, the clamping mechanism is arranged at the lower end of the lifting rod, and the driving mechanism is used for driving the lifting rod to ascend and descend. The clamping mechanism comprises a clamping jaw and an elastic piece. According to the detection method, the defect that according to a detection method in the prior art, due to the fact that the hammering head is pulled by a steel wire rope in the free falling process, the force applied to the probe rod by the hammering head is difficult to control, and the accurate result of the foundation bearing capacity cannot be detected is overcome. According to the foundation detection device for the water conservancy project, the hammering head does not need to be pulled by a steel wire rope, and the accurate result of the detected bearing capacity of the foundation is ensured.

The utility model discloses a multi-component mixed gas product configuration system which comprises a controller, a gas filling main path, a gas storage bottle, weighing equipment and a plurality of gas filling branch paths, one ends of the gas filling branch paths are communicated with a gas supply source, the other ends of the gas filling branch paths are communicated with one end of the gas filling main path through one-way valves, and the other ends of the gas filling branch paths are communicated with the other end of the gas filling main path through one-way valves. The other end of the inflation main path is communicated with the gas storage bottle through a control valve, each inflation branch path is provided with a mass flow meter, and the weighing equipment is used for weighing the mass of the gas storage bottle; the controller is respectively connected with the plurality of mass flowmeters, the control valve, the plurality of one-way valves and the weighing equipment. The mass flow of multiple components of the mixed gas is controlled through the multiple mass flow meters, so that the gas of the multiple components is synchronously filled into the gas storage bottle according to the mass flow of the gas, it is guaranteed that the final proportion of the gas is accurate, the final product is detected according to the mass of the gas filled into the gas storage bottle, and the production efficiency is improved. Therefore, the residual gas in the pipeline is prevented from influencing the quality of products in the gas storage bottle, and the weight accuracy of the gas storage bottle products is ensured.

The invention relates to a powder weighing and conveying device which is mainly used for loading, unloading, transporting, weighing and proportioning materials. According to the technical scheme, the device comprises a material storage bin, a weighing sensor, a material mixing bin 9 and a rack, a top plate is arranged at the top of the rack and used for installing the material storage bin, a plurality of feeding pipelines are arranged on one side of the upper portion of the material storage bin and communicated with a material suction fan, and stop valves are arranged at the positions, communicated with the material storage bin, of the feeding pipelines; a weighing sensor is arranged at the lower part of the storage bin and is used for weighing materials in the storage bin; an outlet is formed in the lower portion of the discharging bin, a weighing stop valve is arranged at the position of the outlet, the outlet is communicated with a mixing bin 9, a stirring mechanism is arranged in the mixing bin, a discharging stop valve is arranged on the lower portion of the mixing bin, the weighing stop valve is provided with an upper branch air cylinder drive, and the discharging stop valve is provided with a lower branch air cylinder drive. The working efficiency is improved, the limitation of weather environment to transportation is reduced, the pollution of transportation to the environment is reduced, and the material loss is reduced.