2092 results about "Load cell" patented technology

The invention relates to the technical field of weighing equipment detection, and discloses a detection output method, device and equipment for weighing equipment and a storage medium, and the method comprises the steps: carrying out the preprocessing and analog-to-digital conversion of original output signals of a plurality of weighing sensors in the weighing equipment, and obtaining synchronous digital signal data; bayesian multi-channel signal fusion and anomaly detection are carried out based on the synchronous digital signal data, and multi-channel fusion signal data and an anomaly detection identifier are obtained; performing inter-channel correlation analysis and adaptive weight distribution according to the abnormal detection identifier and the multi-channel fusion signal data to obtain a multi-channel weighted fusion result and a calibration compensation parameter; and carrying out real-time fault isolation and multi-channel working state identification on the multi-channel weighted fusion result based on the calibration compensation parameter, and generating a weighing detection result, the weight distribution can be automatically optimized according to the real-time working state and the signal quality of each weighing sensor channel, and the accuracy and the stability of the measurement of the weighing equipment are improved.

The utility model relates to the technical field of belt conveyors, in particular to a movable high-precision intelligent belt constant feeder which comprises a conveying support, a conveying belt and a weighing assembly, the conveying belt is rotationally arranged on the conveying support, and the weighing assembly comprises a weighing roller, a weighing sensor, a speed sensor, a controller and a digital display dial plate. The weighing roller is arranged in the conveying belt and abuts against the conveying belt, the weighing sensor is connected with the weighing roller and the conveying support and used for outputting weight signals, the speed sensor is arranged in the conveying belt and used for outputting speed signals, and the controller is electrically connected with the weighing sensor, the speed sensor and the digital display dial plate. The controller responds to the weight signal and the speed signal and is used for controlling the digital display dial plate to display the weight value in real time. The bulk cargo transfer weight measuring device has the effect that the bulk cargo transfer weight can be accurately measured in the conveying process of the conveying belt.

A batching scale for a feed processing production line belongs to the field of feed production and comprises a weighing cylinder, a discharge conveying belt is mounted at the bottom of the weighing cylinder, and a discharge port corresponding to the discharge conveying belt is formed in the outer wall of one side of the weighing cylinder in a penetrating manner. Through cooperation of the weighing plate and the weighing sensor, the feed falls down, the weighing plate descends to measure the weight, meanwhile, the fixed rod and the pull rope drive the intercepter plate to rotate and shrink the feed port, the feed is rapidly discharged to guarantee the efficiency, the feeding speed is slowed down when the target weight is approached, the excess error is reduced, the accuracy and the efficiency are both considered, and meanwhile the intercepter plate is closed after weighing is completed. The weighing sensor sends a signal, the driving motor drives the weighing plate to turn over and discharge materials, the weighing plate ascends and resets, residues on the inner wall of the weighing cylinder are scraped during next weighing, formula mixing is prevented, in addition, during next weighing, the weighing plate descends to extrude the scraping plate, residues on the stacking surface are evenly scraped under the cooperation of the scraping knife and the sliding block, and the production efficiency is improved. The weighing and discharging total quantity accuracy of each time is ensured, and the weighing accuracy of the device is improved.

The invention discloses a conveying device for powder bowl filling and a metering and weighing system of the conveying device. The conveying device comprises an equipment frame, a feeding mechanism, a scattering mechanism and a controller, wherein the feeding mechanism, the scattering mechanism and the controller are installed on the equipment frame. The metering and weighing system comprises a data acquisition module, a metering optimization module and a dynamic compensation module; and the metering optimization module is used for adjusting filter parameters in real time according to the state information of the device and the change of the measurement noise by adopting a self-adaptive Kalman filtering algorithm, and carrying out optimization processing on the measurement data. Through the synergistic effect of the weighing sensor and the valve control mechanism, the weighing sensor adopts a measurement mode of combining a strain gauge type weighing sensor and a piezoresistive weighing sensor, and the self-adaptive Kalman filtering algorithm is used for optimizing measurement data, so that the material metering accuracy is ensured, and the material metering precision is improved. And the uniformity and consistency of material conveying are ensured, so that the product quality and the production efficiency are improved.

The lead screw pre-stretching mechanism for the numerical control machine tool comprises a lead screw, a tail end bearing seat is arranged at the end of the lead screw, the tail end bearing seat comprises a tail end bearing sleeve, a plurality of first bearings, a first gasket, a load cell, a load cell gasket, a disc spring and a first outer spacer ring, and the first bearings, the first gasket, the load cell, the load cell gasket, the disc spring and the first outer spacer ring are located in the tail end bearing sleeve. The disc spring, the load cell gasket and the load cell are sequentially arranged on the first outer distance ring in a sleeved mode, the end of the tail end bearing sleeve is bent to form a contact step, the two ends of the disc spring abut against the contact step and the load cell gasket respectively, the end of the lead screw sequentially penetrates through the first outer distance ring, the first gasket and all the first bearings, and the load cell is tightly attached to the first gasket. The first gasket is tightly attached to the first bearing, and the end of the lead screw is exposed out of the tail end bearing seat and provided with a locking nut. The disc spring can well balance the pre-stretching force of the lead screw and the pre-tightening force of the tail end bearing seat, automatic compensation of thermal elongation of the lead screw can also be achieved, and high precision and high stability are provided for a transmission system of a machine tool.

A full-automatic quantitative packaging device for polycrystalline silicon relates to the technical field of polycrystalline silicon packaging equipment, and adopts the technical scheme that the full-automatic quantitative packaging device comprises a rack, a weighing unit, a bag opening unit and a conveying unit, a collecting hopper is arranged at the top of the rack, and a discharging pipe is arranged at the bottom of the collecting hopper; a plurality of weighing units are arranged at the top of the collection hopper, and each weighing unit comprises a weighing bin and a weighing sensor; the bag opening unit comprises a supporting frame and a vertical moving device, the supporting frame is provided with a pair of first telescopic devices, the pair of first telescopic devices are both provided with first connecting plates, and the first connecting plates are provided with suction cups; the conveying unit comprises a conveyor. The steps of automatic quantitative weighing, bag opening packaging, conveying and the like are completed through cooperation of all the assemblies, flexible switching operation among materials with different particle sizes can be achieved, the problem that the labor intensity of manual operation is large is solved, the occupied area is small, the packaging technology is achieved, the structure is simple, and cost is low.

The utility model relates to a weighing device and a feeder, and belongs to the field of household appliances. The utility model discloses a weighing device. The weighing device comprises a weighing base station; a weighing sensor, wherein the weighing sensor is arranged on the weighing base station; the weighing platform is arranged on the weighing sensor, and the weighing sensor is arranged between the weighing base station and the weighing platform in a clamping mode; and the feeding assembly is arranged on the weighing platform, and the feeding assembly is provided with a feeding channel. By arranging the weighing device in the feeder, the initial weight of the feed in the feed cylinder and the reduced weight of the feed in the feeding process are directly measured in real time, so that the feeding amount of the feed fed every time is accurately mastered, the accuracy and the stability of the feeding amount are ensured, meanwhile, great convenience is brought to a user, and the actual use requirement of the user is met.

The invention relates to the technical field of weighing measurement and metering, and discloses an intelligent dynamic weighing system and a weighing method thereof, and the system comprises a first-level hierarchical module which is used for achieving local real-time processing through a weighing sensor and a local data collection module; the second-level hierarchical module is used for carrying out fusion and cross validation on multi-sensor data through edge computing nodes; and the three-level hierarchical module is used for carrying out global optimization and monitoring analysis through the cloud computing node. Through hierarchical distribution design, the real-time performance and fault-tolerant capability of the system are remarkably improved, and the problems of precision deviation, overhigh energy consumption and response delay of a traditional system in a high-load and high-frequency dynamic weighing scene are solved. The local adaptive algorithm and the global optimization algorithm cooperate with each other, so that the system can dynamically adjust the weighing parameters in a complex environment, and the weighing precision is ensured not to be affected by the change of the external environment. And a multi-sensor data fusion algorithm is combined with edge calculation, so that the data reliability and the system stability are further improved.

The described cone penetrometer system is a geotechnical testing apparatus designed for accurate soil assessment comprising a drive shaft with an attached cone at its distal end, a load cell connected to the shaft for precise measurement of applied force, and a depth transducer to accurately gauge the penetration depth of the cone. This system distinguishes itself from traditional methods by directly converting force to bearing capacity based on the cone's surface area, eliminating the reliance on less accurate blow conversion tables. The inclusion of a reliable depth transducer ensures precise depth measurements, facilitating accurate plotting of bearing capacity against depth. While delivering enhanced accuracy, the system retains the advantages of lightweight, cost-effectiveness, and manual operation, aligning with the simplicity and efficiency characteristic of traditional methods like the Dynamic Cone Penetrometer (DCP) compared to more intricate and expensive Cone Penetration Test (CPT) systems.

The invention provides a stock solution sub-packaging device and a sub-packaging method.The stock solution sub-packaging device comprises a sub-packaging support, a plurality of trays symmetrically arranged on the two sides of the sub-packaging support, a main pipeline arranged on the sub-packaging support and weighing sensors arranged on the two sides of the bottom of the sub-packaging support; branch pipelines communicated with the liquid separation bag are symmetrically arranged on the two sides of the main pipeline, the main pipeline is communicated with the stock solution storage device, bubble sensors are arranged at the two ends of the main pipeline and used for detecting bubbles in the main pipeline, and stock solution to be subpackaged in the stock solution storage device sequentially passes through the main pipeline and the branch pipelines and then is contained in the liquid separation bag. The weighing sensors are used for obtaining stress changes of the bottoms of the two sides of the subpackaging support, the position of the tray relative to the subpackaging support is fixed, the position of the liquid separation bag relative to the tray is fixed, and the amount of the stock solution subpackaged into the liquid separation bag is calculated through the stress changes; the stock solution split charging device provided by the invention is high in efficiency and good in split charging precision.

A testing device for determining a stiffness of a patient's tissue is provided herein that includes a probe housing, an internal probe housed in the probe housing, a load cell connected to the internal probe, and a linear-actuator connected to the load cell. The patient's tissue may be joint tissue, cervical tissue, uterine tissue, muscular tissue, and / or pulmonary tissue. The internal probe may be configured to translate within the probe housing, and the linear-actuator may be configured to move the load cell, causing translation of the internal probe within the probe housing. When the load cell is moved by the linear-actuator, the internal probe may translate within the probe housing, and a tip of the internal probe may cause indentation into a patient's tissue.

The present application relates to a sensor-weight system for an exercise machine. The system comprises a load cell, a three-axis accelerometer, a battery, a housing, a communication unit, a data processing unit, and a weight stack with multiple weights. The load cell interconnects a cable with the weight sword of the weight stack, allowing precise measurement of the user's exerted force during exercise.

The utility model relates to a floating balance type electronic belt scale of a belt filter, which is provided with an equipment main body of the filter, filter cloth in circulating transmission is arranged on the equipment main body, the filter cloth is supported by a plurality of first carrier rollers on the equipment main body, the filter cloth is in driving fit with an adhesive tape, and the adhesive tape is wound on two driving wheels. A weighing bridge frame module consisting of more than two second carrier rollers, floating type balancing frames and weighing sensors is arranged at the discharging end of the equipment main body, the second carrier rollers are mounted at the bottoms of the floating type balancing frames, the floating type balancing frames are arranged on the left side and the right side of the filter cloth, and the weighing sensors are arranged on the floating type balancing frames. A weighing sensor is correspondingly arranged at the bottom of the floating type balancing frame and installed at the end of the equipment body. The electronic weighing scale overcomes the defects that an existing electronic weighing scale cannot adapt to a wide vacuum belt filter and has large requirements for installation space, can be installed without changing the main body structure of the vacuum belt filter, and is high in applicability.

The invention relates to the technical field of generator test equipment, and particularly discloses a comprehensive test platform for a generator. The bearing assembly, the hoisting assembly and the testing instrument are installed on the vehicle body, the bearing assembly comprises two bearing arms and a driving mechanism, and weighing sensors are installed on the bearing arms and can be far away from and close to each other; the test instrument can obtain related test data based on weighing data fed back by the weighing sensor. The comprehensive test platform for the generator can move, can automatically complete loading and unloading of the diesel generator, does not need assistance of other equipment, and remarkably reduces the requirements for site conditions; data such as the whole machine weight, the fuel consumption rate and the operation stability can be measured, the test items are rich, and the functions are complete; and the transfer frequency in the comprehensive test process can be effectively reduced. After the test is completed, the diesel generator can be transferred and loaded to another test device, which is efficient and fast; and meanwhile, the method has the technical advantages of good applicability, easiness in implementation, relatively low cost and the like.

The utility model provides a high-precision feeding system which comprises a discharging traveling crane and a feeding cage frame, and the discharging traveling crane comprises a traveling crane frame, a driving module, a discharging box and an operation control unit. A positioning proximity switch is arranged on the discharging trolley, a plurality of positioning blocks are arranged on the feeding cage frame, and when the positioning proximity switch reaches the positioning blocks, corresponding electric signals can be triggered to be given out and transmitted to the operation control unit. A weighing sensor used for sensing the weight change of the discharging box is installed at the supporting position, used for supporting the discharging box, of the traveling crane frame, the discharging box comprises a hopper and a discharging auger, and the rotating speed of the discharging auger is controlled according to signals of the weighing sensor. The driving module comprises a driving frame and a driving wheel, the driving frame is connected with an unpowered rotatable testing wheel, the testing wheel is in contact with the rearing cage frame through a spring and is pressed tightly, and the driving module further comprises a motion sensor used for detecting rotation of the testing wheel. The high-precision feeding system provided by the utility model has relatively high feeding precision.

The invention relates to the technical field of torque measurement, in particular to a device for measuring screwing-on and screwing-off torque and a measuring method thereof.The device comprises a supporting base assembly, and an active continuous forward and reverse rotation assembly is arranged at one end of the supporting base assembly and used for firmly clamping an internal thread workpiece and enabling the internal thread workpiece to continuously rotate forwards or reversely; the passive clamping assembly is arranged at the other end of the supporting base assembly and used for firmly clamping the external thread workpiece; the passive clamping assembly comprises a connecting and fixing plate, and the side wall of the connecting and fixing plate is rotationally connected with a clamping mechanism assembly. A first weighing sensor and a second weighing sensor. According to the invention, the measuring shafts of the first weighing sensor and the second weighing sensor are vertically and fixedly connected with the clamping mechanism assembly, so that the torsion measured by the first weighing sensor and the second weighing sensor is always perpendicular to the moment arm, the interference of non-tangential force on the real value of the torsion is reduced, and the accuracy of the measured value of the torsion is improved.

The utility model relates to the technical field of feeders, and discloses a weighing type precise feeder which comprises a charging basket. According to the weighing type precise feeding device, the weighing sensor is additionally arranged in the feeding device to weigh the material barrel, the blades are connected with the motor through the coupler, the control unit controls the weighing sensor and the motor at the same time, and the control unit comprises a digital displayer to display the weight of feed in the material barrel in real time; the control unit rotates the weighing sensor and the blades through built-in software to achieve discharging, when the discharging amount reaches a set value, the impeller stops discharging, when no feed exists in the feed barrel, the weighing sensor displays' 0 ', the blades stop rotating, an alarm is started, and a feeder control room computer displays various parameters of the feeder in real time. The weight of feed in the feed barrel and the feeding weight can be synchronized in real time, the feed amount is accurately controlled during time-sharing and segmented feeding, the problems of less feeding and missing feeding are further solved, and accurate feeding is truly achieved.

The utility model discloses a pet scale capable of adapting to panels of various sizes, which comprises a panel, a control box and a plurality of sensor boxes are arranged on the bottom surface of the panel, each sensor box comprises an upper box body and a lower box body, and a weighing sensor is arranged in a control cavity between the upper box body and the lower box body; the control box is provided with an upper cover and a bottom box in threaded connection with the bottom end of the upper cover, and a circuit board is installed in a control cavity formed between the upper cover and the bottom box. The sensor boxes are arranged at four corners of the bottom surface of the panel, threading pipes are arranged between the adjacent sensor boxes, the sensor boxes are provided with via holes for the threading pipes to pass through, and conductive wires are arranged in the threading pipes in a penetrating manner; the control box and the sensor box are connected into a closed loop through the threading pipe; according to the utility model, the panel can be randomly adjusted according to the needs of users, only the lengths of the conductive wires and the threading pipes need to be correspondingly adjusted during production, the electronic scale adaptive to the panel of any size can be produced without repeated mold opening, and the production cost of the electronic scales of different sizes is reduced.

The invention provides a precision part size online detection method and system based on machine vision, and relates to the technical field of machine vision and precision measurement. The method comprises the following steps: acquiring part weight data through a weighing sensor at a feeding end of a conveyor belt, and monitoring a vibration state in real time by using an acceleration sensor at a detection station; based on weight data, the system controls adjustable vibration reduction supports on the two sides of a conveying belt and grating encoders of detection stations to provide accurate relative displacement data, the minimum vibration moment is determined by combining vibration acceleration signals, an industrial camera is triggered at the optimal moment to collect images, coordinate correction is conducted on the images through the displacement data, and the image precision is improved. And distortion caused by vibration is eliminated. Based on the corrected target image, edge features are extracted, and the part size is calculated through calibration parameters. By implementing the method, accurate suppression of vibration is realized, and high-precision size detection is further realized.

The application provides a heavy-load large-stroke lifting and leveling device and method, which internally adopts multi-stage cylinder driving, externally balances lateral load by multi-stage overlapping sleeves, and reverses the oil cylinder to replace the last sleeve with the outer cylinder of the oil cylinder; a weighing sensor is arranged at the bottom to detect the load in real time; and finally, the heavy-load equipment is lifted and leveled in a large stroke under the condition of limited closed size limitation.

The invention provides a vehicle body weighing device, and relates to the technical field of locomotive measurement. The vehicle body weighing device comprises a supporting mechanism and a weighing mechanism, the supporting mechanism comprises a first lifting driving source and a supporting body, and the output end of the first lifting driving source is connected to the supporting body; the weighing mechanism comprises a weighing assembly, the weighing assembly comprises a second lifting driving source, a weighing sensor and a lifting part, and the second lifting driving source can be connected to the lifting part through the weighing sensor; wherein the first lifting driving source can drive a to-be-detected vehicle body to move along a first direction and towards a direction close to the lifting piece through the supporting body, so that the lifting piece can bear a secondary supporting surface of the to-be-detected vehicle body, and the weighing sensor can detect the actual weight of the to-be-detected vehicle body; the second lifting driving source can drive the lifting part to move in the first direction and the direction facing the to-be-detected vehicle body through the weighing sensor and is used for simulating pad adding operation so as to level the secondary supporting face of the to-be-detected vehicle body.

The invention discloses a weighing limiting method, device and equipment for a telescopic boom forklift and a storage medium. Comprising the following steps: acquiring operation related parameters of the telescopic boom forklift loader; mechanical data are determined according to the related parameters, the target load weight is calculated according to the mechanical data, and the mechanical data comprise the lower leveling oil cylinder force, the lower leveling oil cylinder force arm, the variable amplitude oil cylinder force, the variable amplitude oil cylinder force arm and the load and auxiliary tool combined force arm; and a target workable area corresponding to the target load weight is determined, and limiting control is conducted on the telescopic boom forklift truck based on the target workable area. The target load weight is calculated by obtaining relevant operation parameters to determine mechanical data, a traditional weighing sensor with high cost is replaced, the whole vehicle design cost is saved on the basis of ensuring the accuracy, the gravity center of the vehicle is ensured to move backwards by determining the target workable area and performing limiting control on the telescopic boom forklift truck based on the target workable area, and the working efficiency is improved. The vehicle is effectively prevented from tipping over, the safety of man-machine operation is improved, and the working efficiency is improved.

Systems, devices, and methods are provided for pulsed strain gauge topologies. A weight sensor assembly may comprise one or more load cells for receiving excitation pulses during a first state period of a duty cycle, sample and hold (S / H) circuitry connected to the one or more load cells that holds analog measurement signals from the one or more load cells, first filtering circuitry connected to the S / H circuitry for processing the analog measurement signals and producing a DC level signal, an amplification system connected to the filtering circuitry, for amplifying the DC level signal, second filtering circuitry connected to the amplification system for filtering power line noise, and analog-to-digital (ADC) circuitry connected to the second filtering circuitry. Examples of load cells described herein include full-bride load cells (FBLCs) and half-bridge load cells (HBLCs).

The invention relates to the technical field of catalyst processing, in particular to an automatic proportioning control system for catalyst mixed materials. According to the invention, the physical distance of each material conveying pipeline and the opening and closing delay of the control valve are obtained, and the task issuing time point is combined, so that the effective response time intervals corresponding to different pipelines are established, and the judgment of the validity fed back by the weighing sensor is more accurate; furthermore, through dynamic trend fitting between historical matching data and current adjacent pipeline data, it is ensured that accurate substitution weighing information can still be obtained under the condition of abnormal feedback, and the matching precision deviation caused by the abnormal feedback is effectively avoided; the actual emptying state of the residual materials in the pipeline is jointly judged by combining the tail section flow velocity and the tail end storage capacity change, scheduling resource configuration has real-time effectiveness, the pipeline priority is calculated through multiple factors such as the conveying distance, the flow velocity fluctuation and the historical idle period, and the reasonability and accuracy of a scheduling path are improved.

The invention discloses an intelligent pouring device for a prefabricated concrete inspection well and a machining method of the intelligent pouring device, and belongs to the technical field of intelligent manufacturing of prefabricated concrete members. The intelligent pouring device comprises a well mold assembly, a collaborative vibrating and supporting part, a pouring executing mechanism and a main controller; the well mold assembly is used for defining a concrete pouring cavity and comprises an inner mold body and an outer mold body which are arranged in a sleeved mode, a distributed temperature measuring array is arranged on the inner wall of the inner mold body, an ultrasonic receiving and transmitting matrix is arranged between the inner mold body and the outer mold body, and a partitioned temperature control unit is arranged on the outer wall of the outer mold body. The collaborative vibrating and supporting part is used for bearing the well mold assembly and applying vibration and comprises a bearing and supporting platform used for placing the well mold assembly, a weighing sensor is arranged on the bearing and supporting platform, a partition type vibrator set is further fixed to the outer wall of an outer mold of the well mold assembly, and the partition type vibrator set is arranged on the bearing and supporting platform. According to the invention, the real-time volume and mass data of the poured concrete are provided for the main controller.

According to the turnover device capable of adjusting the pressure of the machine head of the floor machine and the pressure control method of the turnover device, in the device, the extension rod of the linear driving module is rigidly connected with the pressure adjusting rod of the elastic pressure adjusting module, and double springs with different rigidities are matched, so that the pressure of the machine head can be flexibly adjusted, and various floor treatment requirements are met; the shaft pin weighing sensor accurately detects the pressure of the machine head through a stable structure and feeds back the pressure, and a basis is provided for adjustment of the central control unit. The machine head roll-over stand is hinged to the elastic pressure regulating module shell, so that the flexibility of the machine head is improved; according to the pressure control method, in the pressure adjusting stage, the central control unit accurately adjusts the pressure by means of real-time feedback of a sensor in combination with a positive pressure mode, a negative pressure mode and a PID (Proportion Integration Differentiation) algorithm; in the lifting execution stage, the lifting angle is limited; the target pressure calculation formula is scientific and reasonable, a reliable scheme is provided for efficient, accurate, stable and diversified pressure control of the floor machine, and the floor processing quality and effect are improved.

The invention discloses a hump humping vehicle weight measuring method and device based on a strain type weighing sensor, and the method and the device are corresponding schemes, in the scheme, the strain type weighing sensor is used for replacing a plug pin type piezomagnetic weighing sensor, and a signal isolation and acquisition circuit is used for rapidly reading the voltage of the sensor; on one hand, the measurement precision of the weighing equipment can be improved by utilizing the strong calculation and storage capability of the data processing device, and on the other hand, the weight information is obtained through waveform analysis, and a large amount of waveform data is stored in a quite long time. And a reliable basis is provided for equipment maintenance. Meanwhile, weight waveform analysis can be carried out according to the collected data, data abnormity alarm and equipment maintenance guidance are achieved, and the problem that existing maintenance difficulty is large is better solved.

The utility model relates to the technical field of automation equipment, in particular to a stacking manipulator which comprises a chassis, a multi-shaft transmission arm and an intelligent flexible gripper, one end of the multi-shaft transmission arm is rotatably connected to the chassis, and the other end of the multi-shaft transmission arm is detachably connected with the intelligent flexible gripper; magnetic suction panels are arranged at the joints of the intelligent flexible grippers and the multi-axis transmission arm, and the intelligent flexible grippers are symmetrically arranged on the magnetic suction panels. The intelligent flexible gripper is further provided with an integrated weighing sensor and a visual identification system, and the weighing sensor is used for monitoring the weight of the gripped aluminum sulfate powder package in real time; and the visual identification system is used for identifying the position, size and posture of the aluminum sulfate powder package in real time so as to realize accurate grabbing and stacking actions in a complex space. According to the aluminum sulfate powder packaging bag stacking machine, the multi-shaft transmission arm, the intelligent flexible gripper, the integrated weighing sensor and the visual identification system are integrated, so that safe, efficient and accurate stacking of aluminum sulfate powder packaging bags is achieved.

The utility model discloses a special parameter measuring device for an engine, which relates to the field of engine parameter measurement and comprises a main body platform and a C-shaped tool frame, a measuring platform is arranged on the main body platform, and weighing sensors are arranged at four corners of the bottom of the measuring platform. The measuring platform is symmetrically provided with two groups of mass center measuring mechanisms along the axial direction of the C-shaped tool frame, each mass center measuring mechanism comprises a measuring seat and two roller supports, the measuring seat is slidably mounted on the measuring platform, the top of the measuring seat is open, and the two roller supports are mounted in the opening of the measuring seat and are arranged at intervals along the radial direction of the C-shaped tool frame; the C-shaped tool frame comprises two C-shaped pieces, the two C-shaped pieces are located in the openings of the two measuring bases respectively and supported through the roller supports, the two C-shaped pieces are connected together through the connecting rods, the mass center, the rotational inertia and the mass of the engine can be measured without disassembling each part of the engine, the measuring operation is simplified, and the measuring precision is improved.

One or more load cells, for one or more corresponding radio-frequency waveguide terminations are provided. The load cells are integral with the structure by which they are to be fixed to the one or more waveguide terminations. Corresponding manufacturing methods are disclosed.