2951 results about "Load cell" patented technology

Disclosed herein is a system, apparatus and method directed to automated adjustment of a positioning of a drainage bag based on at least an amount of tension within a tubing extending from the drainage bag. The system, apparatus and method pertain to an automated drainage bag actuation system that includes at least a first railing, a control box coupled to the first railing and configured to receive mounting fasteners that couple a drainage bag to the control box, the control box including a tension load cell sensor, a first motor, and circuitry electrically coupled to the first motor and the tension load cell sensor. The circuitry is configured to receive data from the tension load cell sensor indicating an amount of tension in tubing extending from the drainage bag and transmit one or more electrical signals to activate the first motor causing adjustment of a positioning of the drainage bag.

The invention discloses a weighing sensor test compensation method based on fuzzy recognition, and relates to the technical field of sensor test compensation, and the method comprises the following compensation steps: inputting an original reading of a weighing sensor into a calculation module, and outputting a final compensated reading by the calculation module. According to the invention, the influence of various environmental factors such as ground flatness, power supply stability, temperature, humidity, air pressure, altitude and the like on reading is comprehensively considered, preliminary compensation and comprehensive compensation based on position and time are realized, and the adaptability and measurement precision of the weighing sensor under different environmental conditions are remarkably improved; a vibration correction coefficient is introduced to effectively compensate the influence of vibration on reading, the direct influence of vibration strength is considered, the compensation strength is dynamically adjusted through a modulation factor, the compensation effect is more accurate and effective, automatic adjustment and optimization of compensation parameters can be achieved, and the method is suitable for large-scale popularization and application. Therefore, the weighing sensor can automatically adapt to a complex and changeable measurement environment.

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 invention relates to the technical field of weighing measurement, particularly discloses an automatic weighing system based on an enameled wire, and aims to improve the measurement precision of the weighing system, optimize measurement interference information and improve the weighing efficiency of the enameled wire. According to the system, a test unit obtains historical environment information of a weighing sensor and historical enamelled wire weighing output signals to judge whether interference exists in the weighing sensor or not; if yes, interference compensation analysis is carried out; if not, a controller is started to generate a weighing control signal; the data fusion unit performs interference compensation analysis to generate error correction compensation information of the weighing sensor, obtains a correction compensation coefficient and outputs a predicted weight value; the control unit receives the weighing control signal to carry out weighing query and generates a weighing starting program; the acquisition unit executes a weighing starting program, acquires an enameled wire weighing signal in real time through a weighing sensor, and obtains an actual weight value; the display unit displays the actual weight value and the weight compensation grade signal of the enameled wire.

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.

A weighing scale has a measuring platform which is supported by at least three supporting feet resting on a floor, wherein to each supporting foot a load cell is assigned, wherein each load cell senses the share of the weight force originating from the measuring platform supported by the respective supporting foot. Each supporting foot is designed as a vertically extending measuring foot and comprises a load cell carrier on which the load cell rests and is attached, and an adjusting foot located below the load cell carrier. The load cell carrier is screwed with its external thread into the internal thread of the adjusting foot such that, by turning the adjusting foot relative to the load cell carrier, a vertical height of the measuring foot along a vertical screw axis is adjustable.

An example hinged device flexible substrate testing system includes: a first plate comprising a first surface configured to hold stationary a first side of a hinged device under test; a second plate comprising a second surface configured to hold a second side of the hinged device under test; a first cam follower coupled to the second plate; a first drive arm configured to move the first cam follower to cause the second plate to rotate about a hinge pivot axis of the hinged device under test; an actuator configured to rotate the drive arm; and a load cell configured to measure loads on the first plate while the actuator moves the second plate.

The invention discloses an automatic verification device and method for a weighing coal feeder device. The automatic verification device comprises a weight calibration system, a weight verification control system, a sensor calibration system and a weighing coal feeder. According to the invention, the weight of the standard weight most suitable for the current calibration requirement is dynamically calculated and selected through the weight calibration system based on historical data, environmental parameters and the like of the weighing sensor, so that the calibration precision and flexibility are greatly improved, and variable working condition requirements can be met; according to the invention, an automatic weight verification control system is designed, horizontal displacement, lifting adjustment and state switching of the weight are realized, and the calibration process is fully automatic; the output data of the sensor are collected in real time through the sensor calibration system, dynamic correction is carried out in combination with multiple times of weighing error calculation and historical data, drift and error trends of the weighing sensor are analyzed in real time in combination with parameters such as temperature, humidity and vibration, and error correction values are generated, so that the accuracy of weighing data is ensured.

The utility model relates to the technical field of raw material weighing, and discloses a weighing device with multiple stations, which comprises a base and a turntable, a driving assembly is arranged between the base and the turntable, the upper surface of the turntable is provided with a plurality of avoiding holes, and the avoiding holes are distributed on the upper surface of the turntable in a circular array manner. A plurality of barrels are placed on the upper surface of the rotating disc, a U-shaped plate is fixedly connected to the circumferential outer wall of the base, an electric push rod is fixedly connected to the inner wall of one side of the U-shaped plate, a disc is fixedly connected to the top end of the electric push rod, a weighing sensor is arranged on the upper surface of the disc, and a round plate is fixedly connected to the upper surface of the weighing sensor. Compared with the prior art, not only can the multi-station operation be realized, but also the next barrel can be filled through the arranged driving assembly after filling and weighing are completed, the turntable does not need to be rotated manually, the precision of the device is improved, the automation degree of the device can be increased, and a large amount of manpower is saved.

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 utility model relates to the technical field of storage cages, in particular to a storage cage with an unbalance loading detection function, which comprises a storage box, a controller and an alarm, the storage box is formed by a fence and a bottom plate, the top of the storage box is provided with an opening, and a plurality of weighing sensors are arranged on the inner bottom wall of the storage box. The upper surfaces of the weighing sensors are fixedly connected with supporting plates, the output end of the controller is used for outputting a control signal when overload or unbalance loading of the storage cage is serious, and the control signal is used for controlling the alarm to work. By arranging the multiple weighing sensors and the supporting plates, the problems that in the prior art, overweight and unbalance loading are prone to occurring when a storage cage is loaded, the service life of the storage cage is shortened, and dumping is prone to occurring when the storage cage is stacked are solved.

The invention relates to the technical field of e-commerce warehousing, in particular to an intelligent goods shelf for e-commerce warehousing, which comprises a goods shelf body, a touch screen is rotatably arranged on the goods shelf body, a plurality of laminates are arranged on the goods shelf body, a plurality of scales are arranged on the laminates, and a plurality of weighing sensors connected with the scales are arranged in the laminates. A material box is detachably installed on the scale pan, a plurality of guide units are arranged on the layer plates, the goods shelf body is provided with a drying mechanism, and a heating mechanism is arranged on the drying mechanism. The front part of the movable rod is tilted, so that the corresponding guide wheels are arranged in an inclined plane with a high front part and a low rear part and are used for supporting the material box and guiding the moving direction until the rear part of the material box is blocked by the scale pan, and then the front part of the movable rod is put down until the front part of the material box is also contacted with the scale pan and the guide wheels are separated from the bottom of the material box; scratch of the material box to the scale before the material box is placed at the correct position of the scale is effectively reduced, and the sensitivity of the weighing sensor in the laminate is further affected.

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 sensor assembly for a conveyor belt includes a load cell attachable to a link of a modular conveyor belt and configured to measure tension in the belt and a housing. The housing may include a first cavity configured to receive at least a portion of the load cell, and a second cavity configured to receive one or more electronic components.

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.

Systems and methods for adjusting resistance on an exercise apparatus include a first resistance apparatus having an adjusting bracket, magnetic members mounted on an inner surface of the adjusting bracket, a stepper motor having an adjusting shaft and operable to traverse a portion of the length of the adjusting shaft. At a first position, the magnetic members are disposed above a flywheel, and in a second position, the magnetic members are disposed on opposite sides of the flywheel, providing resistance thereto. A load cell couples the adjusting bracket to the frame and generates a signal corresponding to the movement of the adjusting bracket. A computing system calculates resistance, rpms, power from load cell signal, stepper motor position, shaft rotational position and other sensor inputs.

The invention discloses an automatic neodymium iron boron batching system and a using method, and particularly relates to the technical field of magnet preparation, the automatic neodymium iron boron batching system comprises a controller, four raw material hoppers, discharging valves, weighing sensors, a disc feeder and a stirring device, the raw material hoppers are used for containing neodymium iron boron raw materials with different component contents, the discharging valves are arranged at discharging ports of the raw material hoppers, and the weighing sensors are used for weighing the neodymium iron boron raw materials. A weighing sensor is installed on the raw material hopper, feeding ports of the disc feeders correspond to discharging ports of the raw material hopper, the stirring devices are arranged below the discharging ports of the disc feeders, and the discharging valves, the weighing sensor, the disc feeders and the stirring devices are all in signal connection with the controller. The controller can calculate the required mass of neodymium iron boron raw materials with different component contents in the raw material hoppers according to the set component contents and weight values of neodymium iron boron, and the controller can control opening and closing of the discharging valve according to information conveyed by the weighing sensor. The automatic proportioning device can realize automatic proportioning, and is high in precision, small in error and high in production efficiency.

An adaptive flow regulation system for a tilting melting hearth atomization system includes: a load cell sensor configured to capture a weight of a molten metal within a tilting melting hearth during a pouring operation; a process camera configured to capture visual characteristics of the molten metal during the pouring operation; a particle size analyzer configured to analyze a metal powder following an atomization process to determine a particle size distribution of the metal particles; an actuator coupled to a linkage configured to support and move the tilting melting hearth to a desired hearth tilt angle; and a central processing unit (CPU) having a machine learning program configured to receive data from the load cell sensor, the process camera, and the particle size analyzer and to send a control signal to the actuator for controlling a pour rate from a melting cavity of the tilting melting hearth.

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 loading equipment, in particular to a quantitative loading system which comprises a feeding device, a quantitative bin, a weighing sensor and a weighing controller, the feeding device is installed at a bin opening in the bottom of a stock bin, the quantitative bin is arranged on the lower portion of the feeding device, the quantitative bin is connected with a foundation through the weighing sensor, and the weighing controller is connected with the weighing sensor. The weight of the quantitative bin is measured through the weighing sensor, the weighing sensor is electrically connected with the weighing controller, the feeding device comprises a feeding gate, the feeding gate controls feeding into the quantitative bin, a discharging gate is arranged at the lower end of the quantitative bin, and materials in the quantitative bin can be discharged when the discharging gate is opened. The weighing precision is high, the stability is good, the first quantitative bin and the second quantitative bin which are independently arranged are arranged in this way to conduct quantitative weighing and loading in a circulating mode, the loading efficiency is high, the double-quantitative-bin structure of the quantitative bin moving mechanism is adopted, the height of the feeding device is reduced, and the requirement for the installation space is lowered.

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.