33results about How to "Has practical value" patented technology

The invention belongs to the technical field of energy management of hybrid power systems, and discloses a quantum strategy learning energy management method and system for a multi-stack fuel cell hybrid power system, and the method comprises the steps: building a multi-stack fuel cell hybrid power system model which comprises a fuel cell power model, a lithium battery equivalent circuit model and power balance; constructing a quantum hybrid neural network, interacting with the established hybrid power system environment, distributing output power of different power sources, and constructing a state-action-reward set; the strategy is evaluated and updated on the basis of the collected state-action-reward data set, and then the energy management strategy is optimized. By fusing the variable component sub-circuit and the traditional neural network, efficient operation of the fuel cell system is ensured while the state of charge of the lithium battery is maintained in an ideal interval; and the gradient of the quantum circuit parameters is accurately calculated by using a parameter transfer rule, so that the optimization process of the quantum strategy learning energy management strategy is more accurate and efficient.

The invention relates to the technical field of catalysts, and particularly discloses a phosphorus-containing porous organic polymer supported nickel catalyst which is prepared from a Ni precursor and a phosphorus-containing porous organic polymer, the loading amount mass fraction of Ni in the catalyst is 0.1-10%, and the phosphorus-containing porous organic polymer is a random copolymer and has a structural general formula I; the invention also provides a preparation method and application thereof. After the porous organic polymer containing the phosphorus ligand provided by the invention and transition metal salt form a catalyst, the phosphorous acid diester compound can be efficiently catalyzed and synthesized, the phosphorous acid diester compound can be recycled after the reaction, and the performance cannot be obviously reduced in the cyclic catalysis process.

The invention relates to the technical field of training instrument research, in particular to a double-foot balance feedback training device which comprises a training table used for standing of two feet and a supporting pipe connected with the middle of the front end of the training table and switched between a vertical state and a horizontal state, and a locking handle moving in the axial direction of the supporting pipe is arranged at the top of the supporting pipe in a radial penetrating mode. A toe training device is arranged at the front end of the top face of the training table, and a pelvis training mechanism is arranged in the middle of the training table. The training platform is used for installing and fixing the toe training device, the toe pressing mechanism and the pelvic bone training mechanism, so that a patient can carry out toe training and pelvic bone training by standing on the training platform, a limited space is conveniently utilized for training, and the balance force of double-foot supporting is effectively improved; the foldable supporting pipe is arranged at the front end of the training table, supporting training of a patient is facilitated, meanwhile, the folded supporting pipe and the training table can vertically lean on the wall side or the bedside, storage is convenient, space is not occupied, and practical value is achieved.

The utility model discloses a chemical barrel cleaning device, and particularly relates to the technical field of chemical barrels, which comprises a fixing plate, the lower end of the fixing plate is fixedly connected with a support frame, the middle of the upper end of the fixing plate is movably connected with a rotary fixing device, and the upper end of the rotary fixing device is movably connected with a chemical barrel. The chemical barrel cleaning device comprises a fixing plate, outer wall cleaning devices are symmetrically arranged on the two sides of the fixing plate, a top plate is fixedly connected to the top end of the fixing plate, and an inner wall cleaning device is movably connected to the upper end of the top plate. And meanwhile, the chemical barrels can be automatically rotated to improve the cleaning efficiency, the outer walls of the chemical barrels can be cleaned, the chemical barrel cleaning device has higher practical value in use, can be automatically lifted to conveniently clean the inner walls of the chemical barrels at different depths, and is very flexible and convenient to adjust.

The invention discloses a green circular agricultural system which is scientific in system layout, and vegetable greenhouses are designed around paddy fields, ditches and roads to facilitate logistics. Sturdy and durable concrete frames and specially-made hollow cement bricks are adopted for block intervals, hollow channels are formed in internal roads, drainage and ventilation are facilitated, and combination of paddy fields and aquaculture is supported. In the rice growing period, the water surface gradually rises to the appropriate height of the rice to promote symbiosis of the rice and aquatic products; after ripening, the water surface is lowered to-0.5 m to facilitate harvesting, then the water surface is raised to + 0.5 m, and the water surface is lowered to-0.5 m in spring of the next year to be air-dried and then directly planted, so that efficient circulation is formed. A solar photovoltaic panel is arranged on the top of the sightseeing channel, green energy utilization is achieved, and water flowing is enhanced through an unpowered water pumping device. Excrement is converted into fertilizer by a septic tank in a spotted pig breeding area, so that resource recycling is realized. In the slack season, the ditch and the paddy field can be jointly used for aquaculture. The sightseeing function is achieved, the land utilization efficiency is improved, sustainable development is promoted, and high efficiency and diversification of agricultural production are achieved.

This invention discloses a type of sodium titanate with a layered crystal structure, its preparation method, and its application in aqueous magnesium-ion batteries, belonging to the field of aqueous magnesium-ion battery technology. This invention uses sodium titanate with a layered crystal structure as the negative electrode material in aqueous magnesium-ion batteries. Due to its excellent chemical and structural stability, sodium titanate can achieve reversible magnesium deposition in aqueous magnesium electrolytes. 2+ Intercalation / extraction. This invention synthesizes Na via a hydrothermal method and a high-temperature annealing process. 2 Ti 2 O 5 And Na 2 Ti 3 O 7 Materials. In magnesium chloride electrolyte, both sodium titanate materials exhibit extremely low charge / discharge potentials (Na). 2 Ti 2 O 5 -1.3 to -0.6V vs. SCE; Na 2 Ti 3 O 7 (-1.5 to -1V vs. SCE) and good cycle stability. Furthermore, Na... 2 Ti 2 O 5 The half-cell exhibits a charge-discharge specific capacity of up to 213 mAh / g at a current density of 2 A / g, and maintains a high specific capacity of 150 mAh / g even at a high current density of 10 A / g. The sodium titanate of this invention is an ideal anode material for aqueous magnesium batteries, possessing both low cost and environmental friendliness, and shows great promise for application in the field of aqueous magnesium-ion energy storage.

The utility model provides an automobile door adjusting tool manipulator, which belongs to the technical field of automobile door installation and comprises a frame weldment, a control box is arranged on one side of the back of the frame weldment, and a side wall upper support component, a side wall rear positioning pin and an automobile door positioning and clamping mechanism are arranged on the frame weldment. The automobile door positioning and clamping mechanism comprises an automobile door holding and clamping assembly, two gap adjusting assemblies and a hinge limiting assembly, the automobile door can be quickly aligned to an automobile door frame in the process of installing an automobile door on a white automobile body, the gap between the automobile door and the automobile body and the surface difference are met, the precision and the installation efficiency are effectively improved, and the installation cost is reduced. The positioning strategy is optimized, the installation position does not need to be adjusted for many times, and labor intensity is reduced.

The invention discloses an electric power control device and method, and relates to the technical field of electric power engineering. The device comprises an electric box, an electric brake is arranged in the electric box, the electric brake is formed by combining a first protective shell, a second protective shell and a brake body, a rapid disassembly and assembly mechanism is arranged in the electric brake, a fixing column in the mechanism is fixedly connected to the interior of the protective shell, and a first rotating strip and a second rotating strip are rotationally connected with the fixing column. The arc-shaped block is fixedly connected to the ends of the first rotating strip and the second rotating strip, the first rotating strip and the second rotating strip are movably clamped, the push rod is fixedly connected to the end of the first rotating strip, and the first spring is fixedly connected to the ends of the first rotating strip and the second rotating strip. The protective shell can be rapidly and safely disassembled and assembled through the rapid disassembling and assembling mechanism, the problem that disassembling and assembling consume too long time is avoided, the use requirements of the electric brake in different scenes can be met through the adjusting piece, practicability is achieved, and the requirements of users are met.

The utility model provides a kind of dissolution cup automatic cleaning device, belong to the technical field of dissolution rate instrument, including base, base is provided with the moving platform with lifting function, moving platform is provided with multiple stirrer shafts that can be driven to rotate, base is provided with self-cleaning mechanism, self-cleaning mechanism includes wastewater tank and water bath, water bath is provided with cover plate, cover plate is provided with multiple dissolution cup bodies at equal intervals, each dissolution cup body is provided with top cover, the lower side of top cover and through-hole are respectively provided with cleaning piece and suction pipe, by the utility model, after the end of dissolution rate experiment, dissolution cup can be cleaned automatically, replace the repeated operation of traditional manual pouring, cleaning one by one, avoid the problem of hard to take due to large capacity of dissolution cup, with liquid, and dissolution cup does not need to be taken out from water bath, eliminate the risk of dissolution cup breakage due to hand slip, to reduce the security risk caused by glass breakage and solution contact.

The invention provides application of a Lagerstroemia indica LiTCP14 gene in reducing the size of Lagerstroemia indica leaves. The coding sequence of the LiTCP14 gene is shown as SEQ ID NO: 1. A VIGS system is adopted to silence the expression of the Lagerstroemia indica LiTCP14 gene, a LiTCP14 gene silent strain is obtained, the LiTCP14 gene expression level and the leaf size of the Lagerstroemia indica LiTCP14 gene silent strain are remarkably reduced compared with those of a wild strain, it is indicated that leaflet Lagerstroemia indica can be obtained through silence of the expression of the Lagerstroemia indica LiTCP14 gene, and the Lagerstroemia indica LiTCP14 gene silent strain has a certain practical value in the aspect of

The utility model provides a roughness measuring instrument wireless quick change device, belongs to machining equipment technical field, including mechanical arm, quick change subassembly and measuring subassembly, said quick change subassembly is located mechanical arm and measuring subassembly between, quick change subassembly includes lower disk body, upper disk body and support cover, upper disk body and mechanical arm front end connection, and the support cover is connected with the mechanical arm front end. The upper disc body and the supporting cover are in threaded connection, the measuring assembly comprises a roughness meter body, a probe and a connecting frame, and the connecting frame is connected with the lower disc body through a bolt, the roughness of the surface of a workpiece is automatically detected, manual operation is not needed in the detection process, the detection efficiency is improved, and the detection precision is improved. The device reduces the labor intensity of workers, ensures the uniformity of detection positions each time, avoids missing detection, can be quickly butted and replaced with the mechanical arm, and is convenient for the front end of the mechanical arm to be changed from a processing part to a detection part.

The invention relates to the field of river regulation, in particular to an unpowered intercepting system and scheme for river floating objects, the intercepting system comprises ropes, floating plates and transmission wheels, the transmission wheels are arranged on two sides of a river, the ropes are wound around the transmission wheels on the two sides of the river respectively, and the floating plates are uniformly arranged on the ropes. The floating plates stretch across the river channel and are located on the front row and the rear row, and a gap is formed between every two adjacent floating plates; the floating plates incline towards the left side or the right side in the direction of the rope, and the projections of the adjacent inclined floating plates on the straight line on the vertical plane where the rope is located are just intersected or overlapped; the height of the transmission wheel is larger than that of the floating plate. The device has the advantages of being simple in structure, low in cost, capable of automatically running without additionally providing power, and capable of automatically concentrating the floating objects on the water surface to the shore side on one side to facilitate treatment, and has extremely high practical value.

The present invention provides a cloud resource dynamic scaling method and system, which obtains the user load on each service node cluster and the corresponding virtual unit of the virtual data center; constructs a load prediction model based on model combination according to historical load information; constructs a decision model based on reinforcement learning, determines the state, action, reward function and state action value function definition of the model; configures a decision algorithm for determining the cloud resource adjustment plan and the probabilistic greedy selection strategy, and determines the action under the future load cycle; constructs a cloud resource dynamic scaling executor to adjust the virtual unit. The present invention can construct an accurate load prediction model in a random and open cloud environment, design an adaptive cloud resource dynamic scaling strategy, solve the problem of reduced service quality and increased supply cost caused by insufficient and wasteful cloud resource supply in large-scale service systems in public cloud environments, and reduce costs and increase efficiency.

The invention discloses a waste steel enterprise gross profit rate management system and method, and belongs to the technical field of waste steel. The invention discloses a gross profit rate management system and method for a scrap steel enterprise. The gross profit rate management system comprises an additional tax maintenance module, a sign-and-return sales item maintenance module and a gross profit decomposition report module. According to the invention, the problem that the real profit, loss and profit cannot be reflected due to the fact that non-business system data cannot be counted in the prior art is solved, and data such as additional tax, financial reward, immediate reward, income tax apportionment amount and value-added tax to be paid are obtained, and related original business data are integrated. Therefore, the current month sales gross interest rate condition can be calculated, and then the gross interest rate condition under the dimensions of the subordinate base, the material, the warehouse and the customer of each current sub-company is obtained, so that the system gross interest is closer to the real profit and has higher practical value, thereby assisting the company to make a decision and achieve the operation target.

The utility model provides a drinking water smelly substance detection system, which belongs to the technical field of smelly substance detection, and comprises a smelly substance detection hoist, the smelly substance detection hoist comprises two mounting racks distributed in parallel, a screw rod and a sliding rod are respectively arranged in the two mounting racks, the screw rod and the sliding rod are respectively provided with a nut seat and a sliding seat, and the nut seat and the sliding seat are respectively provided with a nut. The sampling device comprises a horizontal support and a mounting groove body, the horizontal support and the mounting groove body are arranged between the horizontal support and the mounting groove body, a rotating shaft and a winding sleeve are rotationally connected in the mounting groove body, lifting ropes are wound at the two ends of the winding sleeve respectively, a balancing weight and a mounting plate are arranged at the lower ends of the two lifting ropes together, and a plurality of sampling pipes are linearly arranged on the mounting plate at equal intervals. In the process of detecting smelly substances in drinking water, different positions in the clean water tank can be sampled and detected at the same time, so that the detection error caused by water flow and large detection area is reduced, the probability of missing detection is reduced, and the detection precision is improved.

The present invention discloses a big data analysis storage system based on a supply chain system, which includes a server, a register, a memory, a storage interface, a power module, and a storage box for installing the above components. The front end and the interior of the storage box are provided with a cooling and dustproof system, the rear end of the storage box is provided with an air outlet component for exhaust and dust sealing, a temperature sensor is installed in the storage box, and the bottom surface of the storage box is provided with a support system and a height adjustment system that can change the position and height. The storage box provided by the present invention is convenient to carry because it is used to centrally integrate system components such as memory. At the same time, the cooling and dustproof system provided inside the storage box is used to sense the internal temperature, so as to control a double-headed motor to drive a pair of top-mounted spiral rod groups to rotate, and hot air is sucked out of the box through the air intake port, and the air is humidified through the water-absorbing sponge, which is conducive to rapid cooling and ensures that the storage system works normally, and has practical value.

The utility model discloses a kind of thin light-emitting fingerprint modules, including a group of L-shaped configuration soft circuit board, a group of hard circuit board, frame, sensing IC and glass panel, the hard circuit board is directly combined on soft circuit board and forms circuit connection, two light guide LED are set on the same plane on the two sides of hard circuit board, the soft circuit board is after combining hard circuit board and is extended and reversely folded to form assembly whole, the assembly whole is placed in the middle groove position in frame, the top of the hard circuit board is sequentially provided with sensing IC and glass panel from bottom to top, the application designs normal touch switch function fingerprint key, since the creation reduces a layer of light guide structure, the thickness of key whole can reduce three times compared with traditional design, can reach the purpose of super-thin design.

The utility model discloses garbage bag sorting equipment, and particularly relates to the technical field of garbage classification, the garbage bag sorting equipment comprises a workbench, the right end of the workbench is fixedly connected with a transmission box, the upper end of the workbench is fixedly connected with a support, the upper end of the support is fixedly connected with a top plate, and the upper end of the top plate is movably connected with an extrusion device; the garbage bag sorting equipment comprises a working table, a water filtering device is fixedly connected to the middle of the lower end of the working table, supporting legs are fixedly connected to the four corners of the lower end of the working table, a layering device is fixedly connected to the left ends of the supporting legs, and a double-layer conveying frame is fixedly connected to the left end of the layering device. And meanwhile, metal garbage can be screened out, sewage in the garbage can be collected and filtered, pollution to the surrounding working environment can be avoided through centralized discharge, the garbage can be automatically conveyed in a layered mode, and accumulation and blockage caused by too large garbage flow are prevented.

The invention discloses an epoll-based task scheduling method and system, and belongs to the technical field of computer information processing. The method comprises the following steps: firstly, initializing a task scheduling entity, and creating an IO read event list, an IO write event list, a timer queue, a task queue and a thread pool in the entity; according to actual requirements, IO read events are added into an IO read event list, IO write events are added into an IO write event list, a timer is added into a timer queue, and simple tasks are added into a task queue; then starting a main thread cycle, realizing IO monitoring and timer functions in the main thread through an epoll timeout mechanism, and responding to an IO event and a timer through a callback function, thereby realizing execution of the IO event and timer driving task; and meanwhile, the execution of simple tasks is realized through a thread pool mechanism. When a large number of concurrent connections are processed, the method provided by the invention provides higher performance and lower resource consumption.

The invention provides a lung gas MRI artificial intelligence reconstruction method combined with sampling matrix optimization. A Cartesian sampling matrix generator, a k-space reconstruction network and an image domain reconstruction network are constructed. The Cartesian sampling matrix generator optimizes a probability sampling matrix by constructing a differentiable binarization model, and can adaptively generate an optimal under-sampling mode according to the characteristics of a data set; the MRI reconstruction network adopts a double-domain learning mode of k space and an image domain, and abundant information contained in MRI data in the two domains is fully utilized, so that a high-quality reconstructed image is obtained; besides, the loss of the tissues in the lung and the loss of the background area are calculated respectively, and a higher weight is distributed for the loss of the tissues in the lung, so that the network pays more attention to the reconstruction quality of the areas in the lung; according to the method, the under-sampling mode and the MRI reconstruction network are optimized at the same time in an end-to-end training form, and the reconstruction quality of the lung hyperpolarized gas MRI is remarkably improved.

A bicycle shell wire pipe is composed of multiple sections of straight pull type wire pipes and a spiral type wire pipe, the multiple sections of straight pull type wire pipes and the spiral type wire pipe are communicated through wire pipe adapters, the shell wire pipe corresponding to bent wiring concentration of a bicycle frame is the spiral type wire pipe, and the shell wire pipe corresponding to straight wiring of the bicycle frame is the straight pull type wire pipe. According to the bicycle outer wire pipe, the bicycle outer wire pipe serves as a speed regulation outer wire pipe, different outer wire pipes are adopted for a bent wire concentration area and straight pipe fitting wire arrangement, and therefore installation and maintenance are convenient, machining cost is low, and the bicycle outer wire pipe has practical value.

The utility model provides a multifunctional camping car, which belongs to the technical field of camping cars and comprises a folding frame mechanism and a carrying bag, the folding frame mechanism comprises a first support and a second support, the first support is movably connected with a handle, the bottom of the first support is rotatably connected with a connecting shaft, two ends of the connecting shaft are provided with roller carriers, and the roller carriers are connected with the carrying bag. Two first brackets are hinged to the lower edge of the first support, each first bracket is hinged to a second bracket, a double-shaft motor is arranged at a notch in the lower side of the second support, driving shafts and rear wheel bodies on the driving shafts are arranged at the two output ends of the double-shaft motor, and the driving shafts are rotationally connected with the corresponding second brackets. By means of the camping car, in the process that a camping person drags carried articles from a parking lot to a camping site through the camping car, the camping car can assist the camping person in easily crossing complex sections such as soil slopes or steps, time and labor are saved, the camping car is convenient for female camping persons with small strength to use, and the camping experience feeling is improved.

The invention discloses a pathological image virtual dyeing method based on multi-task learning, and the method comprises the steps: constructing a pair of virtual dyeing models which respectively comprise a generator and a discriminator corresponding to a source domain and a target domain; carrying out self-supervised cross-dyeing domain reconstruction and conversion on the generator; for the discriminator, adding pathological section category supervision loss in self-supervision adversarial loss; and after alternate training and updating, image conversion between the source domain and the target domain and a corresponding pathological classification task are finally realized. According to the method, a non-paired staining data set is used, classification loss is introduced through pathological category labels, objective function design is optimized, a classification module is added, a gradient guide model is returned to learn inter-class difference staining features, and the generation effect of virtual staining of the pathological image is improved.

The utility model provides a high-strength valve body for a petroleum pipeline pressure measuring valve, which belongs to the technical field of petroleum pipeline valves and comprises a valve body structure, the valve body structure comprises a first flange plate, the first flange plate is in threaded connection with an inner core body, and a plurality of reinforcing ribs are arranged on the outer wall of the inner core body at equal intervals in a surrounding manner. According to the utility model, the heat insulation effect of the valve body is improved, the influence of external temperature is reduced, the valve plug in the valve body and liquid are prevented from being solidified together when the temperature is relatively low, and the valve plug is ensured to be not prone to falling off at low temperature, so that the heat insulation effect of the valve body is improved, and the service life of the valve plug is prolonged. And the valve can still be used normally.

The invention discloses a camera design optimization method based on single photon density imaging, and the method comprises the steps: capturing incident photon information through a single photon avalanche diode (SPAD) device, and constructing a photon cube for representing the light detection condition at each pixel point and the feature information of photons. The arrival of photons can be modeled as a Poisson process, a time contrast projection technology is adopted to generate a photon event, an index response curve is utilized to avoid underflow, and an event triggering mechanism is optimized, so that the sensitivity under a low light condition is improved, and the optimization of imaging performance is realized. According to the invention, the imaging effect is achieved through the photonic cube information collected by the SPAD and a corresponding algorithm. And higher video reconstruction quality and lower bandwidth cost are realized through optimization of the algorithm, and the method has better practical value.

The invention discloses a mutual information guided generative steganography detection method, which comprises the following steps of: establishing a mutual information optimization detection model by taking mutual information among different image blocks in a generative steganography image as an optimization target of a network, and adding a feature discrimination loss item to further guide the optimization of the model. Classification features are extracted by using an image classification model pre-trained on a large-scale data set and are used for final classification to improve generalization of the model, and finally a target model is obtained. The method overcomes the defect that carrier-free generative steganography cannot be detected in the prior art, is easy to implement, can effectively improve the detection precision of the generative steganography, and has practical value.

The invention provides a synthesis method of a 2, 3-disubstituted benzofuran compound and application of the 2, 3-disubstituted benzofuran compound. According to the invention, o-hydroxychalcone and gamma-bromo-crotonate are used as reaction raw materials, and under the promotion of alkali, a series of 2, 3-disubstituted benzofuran compounds are obtained through a one-pot multi-step cascade reaction. The method has the advantages that reaction reagents are cheap and easy to obtain, reaction is efficient, reaction steps are short, and the method is economical, practical and environment-friendly; and the reaction is easy to amplify. The compounds have certain inhibitory activity on alpha-glucosidase, or can be used for treating diabetes mellitus.

The utility model discloses a hemostasis device for blood nursing, and particularly relates to the technical field of medical instruments, the hemostasis device comprises a protective cover, the inner wall of the protective cover is provided with a chute, the right end of the protective cover is movably connected with an extrusion device, the lower parts of the two ends of the protective cover are movably connected with clamping devices, and the clamping devices are symmetrically arranged; according to the hemostasis device for blood nursing, the position of the pressing plate can be freely adjusted, so that the hemostasis device is more flexible to use, meanwhile, the hemostasis device is simple in structure, practical, effective and very convenient to operate, and the hemostasis device is suitable for being popularized and applied. The device is simple in structure and convenient to use, reduces work consumption for a user, can adjust the clamping distance according to use requirements, effectively widens the application range of the device, enables the device to have more practical value in use, can control the clamping force, prevents a patient from feeling uncomfortable, and can further improve the fixing effect of the device.

The application provides a kind of class incremental neural network model aggregation method based on knowledge distillation, specifically comprising the following steps: step S1, obtains the incremental class information required for aggregation and the specific structure information of the model obtained by aggregation;Step S2, according to the incremental class information and the structure information, select multiple heterogeneous models as the model to be aggregated, and construct the initial aggregation model;Step S3, use unsupervised data to perform class incremental model aggregation on the model to be aggregated and the initial aggregation model, and update the initial aggregation model based on the class incremental distillation loss and feature filtering loss during aggregation until the incremental model is generated;This method supports the aggregation task between heterogeneous models to be aggregated, and only needs a single round of aggregation to make the aggregation model converge, greatly reducing the communication cost in the model aggregation process.

The utility model provides a load sensing device for oil well intermittent opening control, which belongs to the technical field of oil well control equipment and comprises an outer shell, a plurality of relays are arranged in the outer shell, a load sensing protection mechanism is arranged on one side close to the relays, and the load sensing protection mechanism comprises two sliding groove frames distributed in parallel. A load sensing module, a circuit detection module, a wireless signal module and a control module are arranged on the two sliding groove frames and are electrically connected, the control module is electrically connected with a driving assembly, and the driving assembly is installed on the two sliding groove frames. The circuit of the load sensing module can be monitored in real time, when overload occurs, a power source can be automatically switched off, overload damage to the load sensing module is avoided, and the situation that a beam hanger above the load sensing module and a square clip on a polish rod directly fall off, the load sensing module and a wellhead are damaged, and larger loss is caused is effectively prevented.