88results about How to "Increase income" patented technology

The invention provides an energy storage optimization scheduling method and system under microgrid priority fusion constraint, and the method comprises the steps: S1, carrying out the reading and preprocessing of multi-source data, carrying out the unified time axis of historical photovoltaic output, user load, future weather, electricity price, demand unit price, and completing the missing value interpolation and abnormal value elimination, and forming a time series data set; s2, setting decision variables, namely charging power, discharging power, maximum charging power, maximum discharging power, energy storage equipment capacity, commercial power purchase unit price and demand unit price; s3, the overall income is maximized under the specified priority, and the expenditure is reduced; s4, establishing a priority constraint, an energy storage hardware constraint, an electrical load constraint and other constraint conditions, and avoiding target scheduling conflicts according to the corresponding constraint conditions; s5, carrying out two-stage MINLP rapid solution, and searching a feasible solution in a short time by using a rapid exploration method; and deep optimization is carried out through a fine mode.

A combined Chinese yam tuber growth groove arranged in a trench belongs to agricultural planting appliances, the Chinese yam tuber growth groove comprises a combination part, a space part and a base, the combination part is used for overlapping an upper Chinese yam tuber growth groove and a lower Chinese yam tuber growth groove, and the Chinese yam tuber growth grooves are combined to form a Chinese yam tuber growth space. According to the Chinese yam tuber growing device, Chinese yam tubers are separated from soil, occurrence of soil infectious diseases is avoided, growth resistance of the Chinese yam tubers is reduced, and the Chinese yam tuber growing device has the advantages that the Chinese yam tuber growing device is simple in structure, convenient to use and high in yield, and the yield of the Chinese yam tubers is increased. Chinese yam tubers grow in the shallow soil layer, the planting density is increased, the tower furrow phenomenon is avoided, the yield and quality of Chinese yams are improved, the plot planting limitation is overcome, the planting range is expanded, mechanical planting is achieved, and the income of farmers is increased.

This invention belongs to the field of animal molecular genetics and relates to a method for selecting superior populations of bream, comprising: 1) selecting several tailed bream individuals; 2) extracting DNA from the bream individuals and performing PCR amplification to obtain kinship; 3) selecting the bream individuals with the most distant kinship for pairing and breeding, and selecting the first-generation bream individuals with the best biological traits as candidate parents; 4) extracting DNA from the first-generation bream individuals and performing PCR amplification to obtain kinship among the first-generation bream; 5) selecting the first-generation bream individuals with the most distant kinship for pairing and breeding, and selecting the second-generation bream individuals with the best biological traits as candidate parents; 6) repeating steps 4) to 5) until a superior population of bream is obtained. This invention provides a method for rapidly cultivating superior populations of bream with stable superior traits and significant promotional value.

This invention relates to the field of *Glechoma heliotropium* cultivation technology. It relates to a soilless cultivation method for *Glechoma heliotropium*, using oak sawdust, wheat bran, corn flour, glucose, magnesium sulfate, potassium dihydrogen phosphate, and gypsum as culture medium raw materials to prepare mycelium logs. *Glechoma heliotropium* is inoculated into bagged culture medium and cultured under suitable conditions to achieve stable fruiting. This invention allows for the large-scale production of *Glechoma heliotropium* fruiting bodies, which can be promoted and applied as a natural functional food, and the active substances can be extracted for use in health products or pharmaceuticals.

The invention discloses a quick-start compressed air energy storage system based on residual wind power absorption and a control method thereof. The system comprises a power divider, a lithium battery, a main compressor unit, at least one peak shaving compressor, a plurality of compression working medium flow valves, a plurality of air compressor interstage coolers, an air storage tank, a pressure regulating valve, a vortex tube, a distribution valve, a heat storage tank, a plurality of heat tank heat source supply flow valves, a cycle working medium flow valve, a turbine air inlet precooler, a turbine generator unit and an adsorption tower. An ORC power generation system and a power supply control and black start module; wherein the power supply control and black start module is used for executing corresponding control strategies according to various power grid operation data and wind power. The system can adaptively start the peak regulation compressor to absorb excess electric energy, and combines a hybrid frequency modulation architecture and a black start protocol, so that the system response speed, the energy storage density, the energy comprehensive utilization efficiency and the power grid supporting capability are remarkably improved, and efficient consumption and rapid peak regulation of wind power fluctuation are realized.

The present application relates to the technical field of comprehensive utilization of metallurgical solid waste resources, and particularly relates to a method for separating and purifying dust ash of intermediate alloy. The method provided by the present application comprises the following steps: after mixing dust ash and heavy liquid, the mixture is allowed to stand and stratify to obtain three layers, the middle layer is taken out, diluted, and the heavy liquid is removed to obtain coarse intermediate alloy; the coarse intermediate alloy is subjected to demagnetization treatment in a protective atmosphere, and then subjected to iron absorption treatment to obtain refined and purified intermediate alloy; and the refined and purified intermediate alloy is subjected to centrifugal treatment to obtain the intermediate alloy finished product after purification. The method can effectively separate iron and other impurities in the dust ash, so that the intermediate alloy after treatment can meet the technical standard for sale, and solve the industry pain point that the dust ash can only be directly smelted into blocks and then sold to steel enterprises at a low price, resulting in reduced profits of enterprises.

The application provides a kind of based on double-layer optimization model electric vehicle participates in power grid frequency modulation determination method and system, it is related to smart grid and electric vehicle technical field.The method comprises: based on the historical charging cost data of electric vehicle and the historical subsidy income data of participating in power grid frequency modulation, establishes first layer optimization model, determines the comprehensive income value of to be evaluated object, based on the time-of-use electricity price introduced random noise, the charging probability of to be evaluated object in different period is calculated, further determines the frequency modulation willingness evaluation value of to be evaluated object;Power distribution network frequency fluctuation model is constructed to be used to establish second layer optimization model, to quantify the evaluation based on the total load of power grid caused by to be evaluated object power grid fluctuation amount;According to optimization strategy, first layer optimization model and second layer optimization model are double-layer iteration optimization, and the frequency modulation participation evaluation value after optimization is obtained, to determine the frequency modulation participation evaluation value of to be evaluated object.The application realizes the charging cost of user side is lower while improving the stability of power grid.

The invention relates to the technical field of video compression, in particular to a motion compensation time domain filtering weight constraint method and system based on data driving, and the method comprises the following steps: collecting video samples covering a plurality of scenes, and constructing a video sample set; adjusting coding task parameters of motion compensation time domain filtering so as to reduce operation time; according to the video sample set, obtaining a block weight factor through a contrast filtering test; and constraining the block weight of the motion compensation time domain filtering by using the block weight factor. According to the method, the filtering performance of the MCTF can be improved on the premise that the calculation complexity is not increased, and low cost and high benefits are achieved.

This invention relates to a catalyst for degrading polysaccharides, its preparation method, and its application, belonging to the field of polysaccharide degradation technology. The invention provides a method for preparing a catalyst for degrading polysaccharides, comprising: weighing fumaric acid and hydrogen peroxide, mixing them, and preparing the catalyst. The molar ratio of fumaric acid to hydrogen peroxide is 0.5–2:0.5–2. The invention also provides a catalyst for degrading polysaccharides, obtained by the above preparation method. The catalyst prepared by this invention using fumaric acid and hydrogen peroxide for the degradation of galactomannan can improve the polysaccharide degradation efficiency, resulting in high yields of low molecular weight galactomannan and galactomannan oligosaccharides, thus increasing productivity.

The application belongs to the technical field of online transaction, and discloses a blockchain integral transaction method, system, device and storage medium. The blockchain integral transaction method comprises the following steps: generating a payment code and a repurchase gold account for a merchant; receiving and executing a payment transaction sent by a user and transferring repurchase gold to the repurchase gold account; receiving an integral exchange request of the user; triggering a transaction when the accumulated amount of repurchase gold in the repurchase gold account is greater than or equal to a trigger value, repurchasing all integrals with the repurchase gold until the repurchase gold is exhausted or the qualified integrals are completely repurchased. The application breaks the mode of only active buy orders in the traditional integral transaction system, creates passive buy orders of consumption orders, links online and offline consumption scenes, changes the traditional active buy and sell transaction into an order repurchase passive buy and sell transaction mechanism, and can promote consumption, increase additional income of consumers, improve customer return rate, increase customer stickiness and stimulate user consumption.

The invention relates to a method for identifying left and right manipulators for multi-finger touch screen interaction, which comprises the following steps of: S1, acquiring touch data through an API (Application Program Interface), and identifying the number of fingers and action types based on the touch data; s2, all the fingers are rearranged, all the adjacent two fingers serve as a group, N-1 two-finger groups are obtained, and N is the number of the fingers; s3, for each two-finger group, constructing a spatial triangle based on the positions and orientations of different fingers at the same moment, extracting spatial features based on the spatial triangle, constructing a time triangle based on the positions and orientations of the same finger at different moments, and extracting time features based on the time triangle; s4, respectively inputting the time features and the space features of the two-finger groups into first classifiers with independent values to obtain a plurality of first classification results in one-to-one correspondence with the number of the two-finger groups; and S5, fusing the first classification results of all the two-finger groups to obtain a left and right hand classification result. Compared with the prior art, the method has the advantages that the accuracy can be improved under the conditions of not depending on an external sensor, not needing calibration and not needing to access a privileged API (Application Program Interface).

The embodiment of the invention provides a light-weight balcony suitable for a cruise ship and the cruise ship, the light-weight balcony is applied to the cruise ship and used for reducing the weight center height of the cruise ship, and the light-weight balcony comprises a plurality of supporting frames which are arranged on the peripheral wall of a cruise ship accommodation area at intervals and serve as a main body supporting structure of the balcony; the balcony body is made of a metal material meeting the set weight and density requirements of the balcony and comprises a fixedly connected balcony railing arranged at the end, away from the peripheral wall, of the supporting frame and a balcony floor fixedly connected with an upper panel of the supporting frame. And by adopting the combination mode of the supporting frame and the aluminum alloy balcony prefabricated part, fixed connection can be achieved only through bolts, and the construction difficulty is reduced. Meanwhile, the balcony prefabricated parts are made of aluminum alloy materials, on the premise that the strength is met, the self weight can be greatly reduced, the effects of controlling the cruise ship building cost and reducing the weight gravity center height are obvious, and the larger the tonnage of the cruise ship is, the larger the number of rooms is, the larger the total area of the corresponding balcony is, and the better the effect is.

The invention discloses a drainage basin cascade water-light complementation optimization scheduling method for electric power market transactions, and relates to the technical field related to electric power scheduling, and the method comprises the steps: carrying out the independent power generation fitting modeling of hydraulic power generation and photovoltaic power generation based on environment factors, equipment states and historical data; combining the price fluctuation and demand data of the electricity market to construct a plurality of typical electricity consumption scenes, and fitting to generate different bidding strategies; solving is optimized by taking market income maximization, supply and demand balance, cascade complementary stability and equipment health as targets; and formulating a joint bidding strategy and a corresponding optimal scheduling scheme. The technical problems that in the prior art, scheduling does not fully consider the power market environment, dual uncertainty of photovoltaic output and electricity price is difficult to deal with, and economic benefits are limited due to insufficient water and light resource collaboration are solved, and a complementary strategy of multi-market collaboration and risk optimization is achieved. And the technical effect of improving the overall income and anti-risk capability of watershed cascade water-light complementation in the electricity market is achieved.

The invention discloses a strategy optimization method for cache garbage collection, relates to the technical field of computer cache management, and is used for solving the problem of low cache collection efficiency. According to the method, a cache storage area is abstracted into a plurality of cache partitions, a partition state vector composed of capacity, access and fragmentation degree operation indexes is constructed for each partition, and a strategy evaluation thread periodically reads the partition state vectors to calculate garbage recycling pressure and recycling priority. The upper limit of the number of scanning objects and the upper limit of time slices are distributed for the target cache partition by combining the idle time proportion of the processor, and a recycling execution thread conducts incremental recycling in a batch mode according to a strategy list and records the recycling progress; after recovery, index weight and scanning configuration are adjusted according to release capacity, fragment degree change, hit times and back-to-source request change, so that garbage recovery gives consideration to release space and overhead, the hit rate and the memory utilization rate are improved, and pause and invalid recovery caused by centralized recovery are reduced.

A video online recommendation system combined with network information comprises a video quality evaluation module, a network measurement module and a multi-target reordering module; the recommendation algorithm of the video quality evaluation module selects candidate videos; the network measurement module measures the network condition during the request of the video; the multi-target reordering module estimates the residual transmission time of the candidate videos according to the network bandwidth feedback calculated by the network measurement module, reorders the candidate video list selected by the recommendation algorithm, and selects a preset number of video combinations to transmit to the user end. The present application proposes a new short video recommendation system and method, which takes network bandwidth into the video recommendation system. The system can select the video combination that can be successfully transmitted within a specified time and bring the highest actual income. In the case of poor network bandwidth, compared with the traditional recommendation mechanism, the system can improve the video playing time by 160%, that is, the income is improved.

The utility model belongs to the resource recovery technical field relates to a methylcyclohexane separation and recovery device, including heavy separation tower, heavy separation tower top reflux pump, de -heavy tower, de -heavy tower reflux pump, product tank and naphtha pipeline, the tower top of heavy separation tower communicates with one end of heavy separation tower top reflux pump, the other end of heavy separation tower top reflux pump communicates with the tower side of heavy separation tower and the tower side of de -heavy tower respectively, the tower top of de -heavy tower communicates with the tower side of de -heavy tower and product tank respectively after de -heavy tower reflux pump. The utility model further realizes the efficient separation and recovery of methylcyclohexane by de -heavy tower, thereby reducing the content of methylcyclohexane in heavy separation tower kettle liquid, improving methylcyclohexane yield and raw material utilization, and avoiding direct economic loss, increasing the income.

This application relates to the field of flexible resource aggregation technology, and particularly to a method, apparatus, and device for accurate modeling and approximation of feasible regions for flexible resource aggregation. The method includes: detecting the actual type of each flexible resource on the demand side of the power grid; constructing a single feasible region model for each flexible resource based on its actual type, and aggregating all single feasible region models to generate an aggregated feasible region model; selecting at least one constraint parameter from the constraint parameters of the aggregated feasible region model that satisfies a preset condition, and constructing an approximate feasible region model of a preset type based on the at least one constraint parameter; determining the actual allocation ratio of each flexible resource using the approximate feasible region model; and scheduling each flexible resource according to the actual allocation ratio. This solves the problems of related technologies having a relatively simple consideration of the aggregated feasible region, failing to ensure the smooth allocation of flexible resources, and having high computational complexity.

The invention provides a control method of clothes processing equipment, which comprises the following steps: running a clothes washing program sent by a first equipment terminal, sending a clothes taking reservation instruction to the first equipment terminal when monitoring that residual running time is less than first preset time, and after the residual running time is over, sending a clothes taking reservation instruction to the first equipment terminal; after a clothes taking instruction sent by the first equipment terminal is received within second preset time, clothes taking is completed; whether a clothes taking reservation confirmation instruction sent by the first equipment terminal is received within the remaining running time or not is judged, and if not, whether a clothes washing reservation instruction sent by a second equipment terminal is received or not continues to be judged; if it is judged that the clothes washing reservation instruction sent by the second equipment terminal is not received, clothes taking is completed after a clothes taking instruction sent by the first equipment terminal is received within second preset time; therefore, operation of the clothes processing equipment is more efficient, and the phenomenon that the washing waiting time of other users is prolonged due to the fact that clothes are not taken is avoided.

This invention provides a method for promoting early flowering of mangoes and its application, belonging to the field of mango cultivation technology. The invention includes the following steps: after the autumn shoots turn dark green, spray the autumn shoots with glucose solution 1, then subject them to the first ultraviolet (UV) light irradiation; after the first UV light irradiation, perform the first water control; one month after the first UV light irradiation, spray the autumn shoots with glucose solution 2, then subject them to a second UV light irradiation; after the second UV light irradiation, perform a second water control; 6-8 days after the second UV light irradiation, spray the leaves with a compound solution of potassium nitrate and ammonium nitrate; two weeks after spraying the compound solution of potassium nitrate and ammonium nitrate, spray a mixture of glucose solution 3, potassium nitrate solution, and amino acid trace element water-soluble fertilizer. This invention can promote early flowering of mangoes, enabling early fruit ripening and market availability, avoiding the peak market season for mangoes; it also avoids the high temperatures during flowering and the seasonal drought during fruit enlargement, ensuring high and stable yields in the orchard.

The invention relates to the technical field of plant growth regulation, and discloses a growth regulation composition for increasing peanut yield and improving peanut quality, the dosage form of the composition is a soluble concentrate, the effective components of the composition are aminobutyric acid and choline chloride, the weight ratio of the aminobutyric acid to the choline chloride is 5: 6, the composition is scientific and reasonable in matching, and the composition is suitable for large-scale production. The pesticide composition can obviously regulate the growth of peanuts, increase the pod number of plants, improve the hundred-kernel weight of peanuts, has obvious yield-increasing effect, can also improve the quality of peanuts and increase the protein content, fat content, oleic acid content and linoleic acid content of peanuts, has comprehensive effect, gives consideration to both pod increase and hundred-kernel weight increase, stable yield increase and quality improvement compared with a control agent, is safe to peanuts, and has wide application prospects. And the economic benefit is effectively improved.

The application belongs to the technical field of civil aviation airport flight management, and discloses a flight resource dynamic allocation method and system based on data analysis. A resource data set based on resource characteristics is constructed, and a flight history database based on flight characteristics is constructed; a resource allocation scheme sample library containing both flight characteristics and resource characteristics is constructed; an initial resource allocation scheme is established by data analysis using the resource allocation scheme sample library, and the initial resource allocation scheme is further adjusted to form an allocation scheme of allocation resources; flight information is marked with flight characteristics to complete the allocation of flights; meanwhile, corresponding resource characteristic values in the resource data set are matched with resource characteristics in the allocation scheme of allocation resources to complete the allocation of resources. The application realizes dynamic allocation of flight resources, reduces the cost of manual allocation, and improves the efficiency of flight resource allocation.

A kind of casting method based on Al, Sr, La, Ce and Y composite modifier, based on Al, Sr, La, Ce and Y composite modifier is built, for casting cylinder cover;The method comprises the following steps: step S1, based on Al, Sr, La, Ce and Y composite modifier is built;Step S2, raw material is smelted, obtains preliminary melt, and adds composite modifier to preliminary melt, obtains to be refined melt;Step S3, to be refined melt is stirred and is kept warm, and is refined and degassed, obtains casting melt;Step S4, casting melt is formed and heat treated, obtains finished product.The present application has the advantages of improving the mechanical properties of thin-walled parts of cylinder cover.

The invention relates to a Pareto multi-model collaborative evaluation-based wind-light-hydrogen storage intelligent regulation and control method and system. The method comprises the following steps of 1, collecting and storing multi-source heterogeneous data; step 2, cognitive diagnosis and anomaly detection based on a large language model; 3, performing digital twinning parallel simulation and multi-algorithm testing; step 4, performing multi-agent collaborative scoring and dynamic Pareto optimization; and step 5, performing Pareto feedback preferential selection and adaptive strategy switching. The system executes the wind-solar-hydrogen storage intelligent regulation and control method, and comprises a large model and a simulation platform on the cloud side, an energy management platform on the side and energy equipment on the end side. Multi-modal understanding and knowledge reasoning capability of a large model are applied to operation monitoring and algorithm decision making of the wind-light-hydrogen storage integrated system, and multi-target collaborative optimization scheduling of hydrogen production, energy storage, internet surfing and the like is achieved by constructing a digital twin simulation test environment and a hierarchical intelligent evaluation system.

The invention discloses a user energy storage capacity optimal configuration method, which overcomes the problems that the power utilization cost cannot be effectively reduced by too small energy storage capacity and the investment cost is too high possibly due to too large energy storage capacity in the prior art, and comprises the following steps: calculating a user typical energy utilization curve based on historical energy utilization data; calculating the electricity consumption of the user in the peak period and the measurement step length of the distribution storage capacity of the user; dynamically measuring and calculating user energy storage daily earnings under different distribution and storage capacities based on the distribution and storage capacity measurement and calculation step length; and calculating the energy storage configuration capacity of the user as the optimal configuration capacity by taking the optimal user income as an objective function. The optimal configuration capacity and the net income of the energy storage system are optimally calculated, and the optimal income can be achieved for user capacity configuration; the charging and discharging strategy can be adjusted at any time according to the power grid load condition, the power grid is helped to deal with emergencies and faults, and the toughness and anti-interference capability of the power grid are improved.

The invention discloses a high-speed railway ticket amount distribution optimization method and system based on a heterogeneous social distance. The method comprises the following steps: constructing a mapping relation among the heterogeneous social distance, seat layout and train transport capacity; obtaining the passenger demand quantity of each OD pair, the number of running trains and the risk information of the region where each station is located, and based on the obtained data, establishing a ticket amount distribution scheme mathematical model which takes passenger ticket revenue maximization as a target and meets passenger demand constraint, fairness constraint, heterogeneity social distance constraint and interval transport capacity constraint; and converting the ticket amount distribution scheme mathematical model into an equivalent integer linear programming model, and solving to obtain a train transport capacity and social distance control scheme and an optimal ticket amount distribution scheme. On the basis of guaranteeing the safety of passengers, the railway transport capacity utilization rate and income can be greatly improved.

This application provides a battery pack reconfiguration method, electronic device, storage medium, and program product. The method includes: acquiring battery pack-level data for each battery cluster in a target energy storage system, including the capacity retention rate and state of charge of the cells; calculating the capacity retention rate of each battery pack in the target energy storage system based on the "weakest link" principle; exchanging and reconfiguring the batteries in the target energy storage system to obtain the change in capacity retention rate of the target energy storage system after the exchange and reconfiguration; and determining the corresponding battery pack reconfiguration scheme for the target energy storage system based on the change in capacity retention rate. This method aims to fully utilize the energy storage capacity of existing batteries in the energy storage system without adding additional energy storage units, reducing the bottleneck effect, increasing the overall discharge capacity of the system, and improving the profitability of the power station. By exchanging and reconfiguring the batteries in the energy storage system, the difference in capacity retention rate is reduced, and the capacity retention rate of each level of the energy storage system is balanced.

The utility model discloses a kind of power generation systems based on water floating island, belong to wave energy generation field, including floating island, power conversion component, storage tank, impeller and generator set. Power conversion component is installed to floating island, can adopt "rocker arm-connecting rod-piston cylinder" or "push arm-piston cylinder" structure, through inverted conical platform shape floating ball capture wave reciprocating motion conversion into high-pressure fluid;Storage tank is equipped with discharge pressure control valve to realize pressure stabilization, discharge outlet spouts fluid and drives impeller rotation, and then drives generator set to generate electricity. The system can maximize the use of platform space by optimizing the layout of storage tank. The electricity generated meets the needs of floating island, and the surplus electricity can also be transmitted to land. The floating island is a detachable wave floating island with a wave-releasing chamfer at the bottom, and has strong stability. The system is suitable for different wave conditions, with efficient energy conversion, stable power supply, low cost per kilowatt-hour, and no dependence on external power grid. It is suitable for multiple scene applications and has significant practical value and economic benefits.

The application discloses a click rate prediction method and device, computer equipment and a storage medium, the method uses a crawler technology to crawl dynamic information in a preset time range; the preset time range is determined according to the historical statistical time; entity recognition and intent feature extraction are performed on the dynamic information to obtain entity recognition results and intent extraction results; the information industry label is determined according to the entity recognition results, and whether the information industry label and the target industry label are the same is determined; when the information industry label and the target industry label are the same, industry sentiment analysis is performed on the entity recognition results and the intent extraction results to obtain sentiment analysis results; the historical click rate wave band diagram is predicted according to the sentiment analysis results to obtain a predicted click rate wave band diagram. The application improves the accuracy of click rate prediction, and improves the feasibility and accuracy of the advertisement placement scheme recommendation.

This invention relates to the fields of mobile internet, online travel, and hotel booking technology. Specifically, it discloses a method and system for online booking of high-end hotel presidential suites based on a blind box mechanism. This invention generates a list of available blind boxes based on user location, behavior, and preference data, supporting filtering by city, brand, price, and keywords. After the user sets a budget, the system provides a real-time reference success rate to assist decision-making. The user pays a deposit to lock the order, and the system automatically manages the order status and refund logic. Orders are confirmed through automatic or manual matching. After the final payment is completed, an electronic voucher is generated, and the hotel verifies the check-in information, achieving a closed-loop order process. The system supports anomaly handling and risk control to ensure an intelligent, personalized, and secure booking process. The system provides anomaly handling and risk control mechanisms to ensure automated order processes, fund security, and consistent user experience. This invention achieves intelligent, personalized, and closed-loop management of high-end hotel presidential suite bookings.

The utility model discloses a kind of manually adjustable photovoltaic supports, including support, bearing seat installed in the top of support, with the main beam of bearing connection in bearing seat, at least one side of the friction adjusting assembly of being installed in main beam and being located in bearing axial, the friction adjusting assembly includes fixed in the friction ring push base of main beam, with the axial movable connection of friction ring push base friction ring and with the self-locking adjusting piece of friction ring push base connection, the self-locking adjusting piece is used to push friction ring relative friction ring push base axial motion, and make friction ring and bearing inner race friction lock. Since self-locking adjusting piece can be self-locking, after adjusting is completed, make friction ring and bearing inner race friction always in locking state, until next time when being operated, remove the pushing force of friction ring, make friction ring and bearing inner race separate, so it is convenient to manually adjust.