92results about How to "Increase motivation" patented technology

The invention relates to a virtual power plant optimization scheduling method and system. The method comprises the following steps: establishing an operation model of a multi-type adjustable resource main body; constructing a master-slave game model of the aggregator and the resource main body, wherein the master-slave game model comprises an upper-layer model taking the aggregator as a leader and a lower-layer model taking the resource main body as a follower; solving a master-slave game model of the aggregator and the resource main body to obtain an optimal compensation price strategy and an optimal response power strategy, and constructing an optimal power scheduling plan according to the optimal response power strategy; the optimal power scheduling plan is used for being issued to each adjustable resource main body for execution so as to realize optimal scheduling of the virtual power plant. According to the method, the participation enthusiasm of the resource main body can be stimulated, the user participation degree can be improved, the scheduling instruction execution rate can be improved, the model accuracy can be improved, the cooperative capability of heterogeneous resources can be improved, and the overall operation economy and stability of the virtual power plant can be improved.

This utility model discloses an adjustable-height mixed feed mixing and feeding device, comprising: a feed hopper frame, a discharge port connected to the lower surface of the feed hopper frame, a feeding mechanism rotatably mounted at one end of the discharge port, the lower surface of the feeding mechanism being slidably mounted on the upper surface of a guide rail plate, and the guide rail plate being fixedly mounted at one end of the feed hopper frame. This application, through the design of the feeding mechanism, allows for height adjustment of the feeding trough, enabling it to flexibly adapt to the feeding height of cattle and sheep at different growth stages. Whether it is the lower height required by young cattle and sheep or the higher height suitable for adult cattle and sheep, it can accurately meet their needs, allowing cattle and sheep to feed in a comfortable posture, reducing feeding difficulties or physical injury caused by unsuitable height, and improving their feeding experience and enthusiasm.

The utility model belongs to the technical field of oil-gas separation, and particularly relates to an oil-gas separation and recovery device which comprises a venturi ejector, a high-pressure gas source, a cold air source and a recovery component, and the venturi ejector is provided with an oil steam inlet, a high-pressure gas inlet, a cold air inlet and an output port. The high-pressure gas inlet and the output port are oppositely formed in the two ends of the Venturi ejector, the oil steam inlet and the cold air inlet are formed in the side, close to the high-pressure gas inlet, of the throat pipe, and oil steam, high-pressure gas and cold air are introduced into the Venturi ejector through pipelines. The venturi ejector is connected with an output pipeline at an output port of the venturi ejector, and the recovery assembly is arranged on the output pipeline. High-pressure gas is introduced into the Venturi ejector, negative pressure is generated in the Venturi ejector to suck oil steam and cold air, the oil steam and the cold air are fully mixed at the throat pipe, the condensation phase change effect of an oil-gas mixture in the throat pipe and a follow-up pipeline is improved, and condensed oil drops are collected through the recovery assembly.

This invention relates to the field of medical rehabilitation training technology, specifically to a method and system for multi-person adversarial occupational rehabilitation training. The method includes acquiring multiple rehabilitation training groups, wherein each rehabilitation training group includes at least one patient requiring rehabilitation training; responding to the setting of a target task to achieve adversarial training among the multiple rehabilitation training groups; acquiring training data of the patients requiring rehabilitation training in real time during the adversarial training process; and, in response to the training data, acquiring the training results of the patients requiring rehabilitation training and displaying them through a display interface. In other words, the solution of this invention enables patients to engage in adversarial training in a team format, which not only allows for timely and accurate detection of the rehabilitation training status of each patient but also improves the training efficiency of the patients.

This utility model discloses a portable inclinometer, including a base and an inclinometer mechanism mounted on the base. The inclinometer mechanism comprises an inclinometer probe, a cable, a cable reel, a driven pulley, and a start / stop unit mounted on the driven pulley. The fixed end of the cable is wound around the cable reel, and the middle section of the cable is distributed along the upper surface of the driven pulley. The start / stop unit abuts against the surface of the cable. A drive motor is located at the center of the cable reel, and the cable reel is sleeved on the output end of the drive motor. The drive motor is signal-connected to the start / stop unit. The cable reel rotates under the drive motor's influence, causing the cable to move along the surface of the driven pulley to change its measurement length, thereby allowing the inclinometer probe to measure inclines at different positions. This utility model controls the drive motor to drive the cable reel via the start / stop unit, thus lifting the cable on the corresponding inclined plane, saving technicians a significant amount of repetitive physical labor.

This application discloses a vehicle energy storage device and a vehicle. The vehicle energy storage device includes a power battery pack, a voltage conversion circuit, and a main control circuit. The power battery pack is connected to a first power supply terminal via the voltage conversion circuit, and the main control circuit is connected to the voltage conversion circuit. The main control circuit is used to adjust the working state of the voltage conversion circuit according to the parameters of the first power supply terminal and the power battery pack, so as to maintain the stability of the DC bus voltage when the voltage of the power battery pack is low or when the DC bus voltage is pulled down due to vehicle acceleration, thereby enabling the vehicle to maintain high power.

This invention discloses a project-based learning system. The system includes a first platform, a second platform, and a server. The first platform is used for a first user to input first content, which includes at least one of voice, text, images, and video. The first content includes the first user's personalized characteristics, including at least one of voice characteristics, language habits, drawing characteristics, and video shooting characteristics. The second platform is used for a second user to pre-set second content to be displayed on the first platform. The pre-setting of the second content to be displayed on the first platform is implemented through templates pre-stored in the server, and the templates provide AI tool invocation functionality. Through the technical solution of this invention, the pre-set project templates provide AI tool invocation functionality, enabling students to generate visual and personalized works (such as AI paintings and videos) by invoking AI tools, thereby enhancing the fun and motivation of learning.

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 utility model discloses an adjustable conversion car, including car body, be equipped with the driving subassembly at the bottom of car body, be equipped with the double crawler wheel subassembly of driving subassembly output end and be equipped with the loading subassembly of car body front side, driving subassembly front end also be equipped with the sensor, the sensor is used for detecting car body front road condition. When the adjustable conversion vehicle runs and encounters complex terrains such as an upslope, a console is started, the crawler wheels are connected through connecting rods, sensors on driving boxes sense the terrains and transmit signals to the console, the connecting rods are subjected to motion conversion through posture adjusting motors, the small crawler wheels are lifted to the front ends of the large crawler wheels, and the whole vehicle is changed into a triangular crawler structure. And the small crawler wheels are also provided with belt wheel motors, so that the trolley has better power when running on an upslope or a bumpy road section, the phenomenon of slipping is avoided, and the efficiency and practicability of material transportation in complex terrains are effectively improved.

This invention discloses a two-layer optimization configuration method for multi-regional hybrid energy storage microgrids. First, considering the characteristics of energy storage, a battery lifespan cost model and a turbine operating efficiency model are established. Based on the electricity consumption habits of each region, demand response mechanism models for residential, commercial, and industrial areas are established. Then, with annual investment cost and daily operating economics as objective functions, a two-layer optimization configuration model for the multi-regional hybrid energy storage microgrid is established. A piecewise linearization method is used to transform the nonlinear problem of the original model into a mixed-integer linear programming problem. Finally, a particle swarm optimization algorithm and a Gurobi solver are used to solve the upper and lower layers of the model, and the Shapley value method based on demand degree is used to allocate costs. The method proposed in this invention can effectively improve the lifespan of energy storage while effectively reducing the construction and operation costs of microgrids, and can allocate costs more fairly and reasonably.

The utility model provides a multifunctional respiratory training device, which belongs to the technical field of respiratory training, and comprises a shell and a circulating ball blowing assembly arranged in the shell, the circulating ball blowing assembly comprises a first tube shell, a second tube shell, a sealing groove, a sealing block, an air tube, a ball body, a limiting shell, a pressing rod, a connecting rod, a separation tube, a spring, a limiting groove and a ball inlet hole, the first tube shell and the second tube shell are matched with each other, the eight sealing grooves are all formed in the outer wall of the first tube shell, and the eight sealing blocks are all fixedly arranged on the outer wall of the second tube shell. By means of the circulating ball inlet assembly, when the ball is blown out of the air pipe, the ball can enter the air pipe again only by pressing a pressing rod, a continuous circulating process is formed, original monotonous breathing training becomes more interactive and interesting, the use enthusiasm and participation degree of a user can be improved, and the use experience of the user is improved. The blowing frequency, speed and the like of the ball can be used as indexes to be compared with previous records of other people or a user.

The invention discloses a multi-time ignition module capable of adjusting the ignition energy level and a multi-time ignition control method. The multi-time ignition module comprises a power supply module, an ECU input signal processing module, a primary current sampling module, a secondary voltage sampling module, an MCU processing module and an ignition IGBT. According to the multi-time ignition control method, in one ignition control period, after an ignition control signal sent by an ECU is received, whether multi-time ignition is started or not is judged firstly, if not, only single-time ignition is executed, and if yes, whether energy-level-free control multi-time ignition or energy-level-adjustable multi-time ignition is executed continues to be judged. In the energy-level-adjustable multi-time ignition mode, the control signals of the corresponding levels are output to the ignition IGBT according to the different stages of the T2 pulse width parameter so as to control the primary side current of the ignition coil, and then the ignition coil can conduct different-energy-level control during multi-time ignition, so that the fuel oil combustion rate is increased, tail gas emission is reduced, the engine power is improved, and the energy-level-adjustable multi-time ignition mode is achieved. The service life of the ignition coil is prolonged.

The invention discloses silicon optical semiconductor packaging equipment with an ejection function, and relates to the technical field of semiconductor packaging, gas flows out through a large launder, a conical groove, a small launder and a second launder, after the gas enters from the large launder, due to the fact that the space of the large launder is large, the large launder can accommodate more gas to rapidly flow in, and then the gas enters the conical groove; the unique shape of the conical groove enables the channel to be narrowed gradually, and gas is accelerated at the channel. Finally, the air is sprayed out from the small flow groove at a high speed to form strong airflow, the airflow acceleration process enables the air spraying moving assembly to obtain large enough power in a short time, acting force is rapidly applied to the packaged silicon optical semiconductor, rapid ejection is achieved, the time needed by ejection operation is greatly shortened, and the guided airflow is high in efficiency. According to the utility model, the airflow is uniformly sprayed from the small launder, and the uniform airflow acts on the silicon photosemiconductor, so that the stress on the silicon photosemiconductor can be uniformly distributed, and the problems of inclination, overturning or damage and the like of a device caused by overlarge local stress are avoided.

A multi-functional circumferential angle demonstrator includes a demonstration panel with an annular groove. The demonstrator is characterized by: at least three circumferential sliders slidably disposed within the annular groove; a first protractor rotatably mounted on at least one of the three sliders; and each slider being plugged into and connected to the annular groove. An assembly hole is located at the center of the annular groove; a central slider rotatably disposed within the assembly hole; and a second protractor rotatably mounted on the central slider. The central slider is plugged into and connected to the assembly hole, and the diameter of the assembly hole is equal to the width of the annular groove. An elastic rope is fitted between the central slider and the circumferential sliders. This invention features a simple structure, reasonable design, convenient use, multiple uses, good dynamic demonstration effect, and low cost. It can improve teaching efficiency and quality and is beneficial for promotion and use.

The utility model relates to a dinner plate moving device stable in driving, which comprises a base, a driving mechanism, a driving mechanism, a driving mechanism and a driving mechanism, wherein the extension path of the base is runway-shaped and the base is adaptively placed above a long square table; the sliding blocks are installed on the base in a sliding mode; the dinner plate moving device comprises a base, a long square table and a belt conveying mechanism, the belt conveying mechanism is placed above the long square table, and a connecting assembly used for being connected with a sliding block and driving the sliding block to move along the extending path of the base is arranged on the belt conveying mechanism. Through the driving mode that the driving motor is matched with the transmission disc and the conveying belt, the transmission efficiency and the power needed when the sliding block is driven to move are improved, all dinner plates can be driven to move at the same time even on a large-scale dinner feast, the situation that the sliding block stops moving due to insufficient power is avoided, and the service life of the dinner plates is prolonged. The technical problem that due to the fact that power output by an existing household dinner plate moving device is insufficient, the existing household dinner plate moving device cannot be used in a large dinner feast with many dinner plates is solved.

The application discloses a kind of devices and methods for assisting individual power users to participate in power market quotation, device includes data input module: the type of power market that individual power user participates in is input, the transaction period under the type of participation, the power that each transaction period participates in;Data storage module is arranged by device operator, in networked state, daily update operator issued market information and user information by each device;Data analysis module: for the certain power market of certain time scale of individual power user, carry out the analysis of suggested quotation based on the historical transaction information of power market and the analysis of suggested quotation based on the historical transaction result of individual power user;Data output module: the result obtained by data analysis module, the visualized suggested quotation output for user reference, weaken the hindrance of individual power user participating in power market, promote its enthusiasm of participating in power market transaction, promote demand side resource to participate in power market, guarantee the safe and stable operation of power system.

The invention discloses a flexible source-load-storage collaborative optimization scheduling method for electric vehicles, and particularly relates to the technical field of electric vehicles, and the method comprises the following steps: S1, constructing a source-load-storage medium voltage distribution network interaction model; s2, based on the interaction model, establishing a multi-objective optimization function which aims at minimizing the total operation cost of the power distribution network, maximizing the consumption rate of renewable energy sources and maximizing the user satisfaction degree of the electric vehicle; and S3, solving the multi-objective optimization function by adopting a random weight particle swarm optimization algorithm. According to the method, the adjustment flexibility and the power supply reliability of the power distribution network are remarkably enhanced, local consumption of renewable energy sources is effectively promoted, the overall low-carbon benefit of the system is improved, and the defect that a traditional algorithm is prone to falling into local optimum is overcome, so that a high-quality global approximate optimal solution can be quickly and stably obtained, and the method is suitable for large-scale popularization and application. And the dual requirements of engineering practice on calculation precision and efficiency are met.

This invention relates to the field of ride-hailing dispatch management and discloses a ride-hailing dispatch management platform, including an online vehicle monitoring module, an order module, and an analysis module. The online vehicle monitoring module acquires historical and real-time vehicle data for each online vehicle; the order module receives real-time order information within the dispatch area; the analysis module analyzes the historical data to obtain the online index, on-time index, and violation index for each online vehicle; further, by analyzing the online index, on-time index, violation index, real-time order information, and real-time vehicle data for each online vehicle, a comprehensive evaluation index is obtained. A higher comprehensive evaluation index indicates that the ride-hailing driver of that online vehicle performs excellently in all aspects; therefore, when assigning orders, priority is given to online vehicles with the highest comprehensive evaluation index, thereby improving the enthusiasm and satisfaction of excellent ride-hailing drivers.

The invention relates to the technical field of electricity markets, in particular to a day-ahead-real-time rolling pricing method and system for an electricity selling company, and the method comprises the following steps: S1, constructing an evolutionary game replication dynamic equation of vehicle network interaction of the electricity selling company and an electric vehicle; s2, constructing an evolutionary game income matrix; s3, constructing a day-ahead two-stage pricing optimization model; and S4, constructing a real-time rolling optimization model. According to the method, the interactive behavior with the electric vehicle is simulated through the replication dynamic equation of the evolutionary game, and the economic benefits of the electricity selling company and the electric vehicle user under different cooperation strategies can be effectively predicted and adjusted; powerful theoretical support is provided for establishing a stable cooperation relationship through an evolutionary game income matrix; through constructing a day-ahead two-stage pricing optimization model and a real-time rolling optimization model, an effective price and load management strategy is provided for an electricity selling company in a complex and changeable spot market.

This invention discloses a medicinal and edible composition for relieving constipation and its preparation method. This invention relates to the field of traditional Chinese medicine technology. It is made from the following raw materials in parts by weight: 5-15 parts psyllium husk powder, 5-15 parts wheat bran, and 3-10 parts fermented soybean. Through the synergistic effect of water-soluble and insoluble dietary fiber, it increases stool volume and softens stool, while the addition of oil moisturizes the intestines, achieving the standard effect of relieving constipation. Simultaneously, fermented soybean regulates intestinal flora, astragalus tonifies the spleen and lung qi, addressing the root cause of qi deficiency and weak propulsion. It is combined with platycodon to promote lung function and assist in large intestine conduction, and tangerine peel to regulate qi and harmonize the middle jiao. The entire formula integrates dietary fiber to soften stool, oil to lubricate the intestines, qi tonification to enhance motility, regulation of flora balance, and lung function to regulate qi flow. This multi-target synergistic effect quickly relieves symptoms such as dry stool and difficulty in defecation. Furthermore, pure coconut powder is used as a flavoring material, resulting in a rich aroma and good taste.

The in vivo monitoring device of the present invention comprises: a sensor included in a sensor device, performing a detection process to detect the medical state inside a patient's body, and performing a process to generate first detection data, the first detection data indicating the result of the detection process; a generation unit, performing a process to generate second detection data based on the first detection data, the second detection data indicating content related to the detection process and having a data volume less than the first detection data; a communication unit implemented by the sensor device, performing a process to send the second detection data to a terminal corresponding to the patient; and a control unit, which, when it is determined that the sensor device is present inside the patient's body, causes the communication unit to perform a process to send the second detection data to the terminal.

The invention provides a hidden danger processing method and device, electronic equipment and a storage medium, and the method comprises the steps: collecting heterogeneous data from a plurality of data sources in a to-be-recognized hidden danger region, carrying out the feature extraction of each kind of heterogeneous data, obtaining a feature map of each kind of heterogeneous data, and evaluating the reliability and accuracy of each kind of heterogeneous data; determining a fusion weight of each feature map based on reliability and accuracy, and performing weighted fusion on the feature maps based on the fusion weights to obtain a fused feature map; inputting the fusion feature map into a target detection network into which an attention mechanism and a multi-scale feature fusion network are introduced, and determining an identification result of the current hidden danger of the hidden danger area to be identified; inputting a recognition result into a task allocation model, and determining a target principal for processing the current hidden danger; and generating a processing score based on the processing of the current hidden danger by the target principal, and determining a final processing result of the current hidden danger based on the processing score, thereby improving the accuracy of hidden danger identification and the enthusiasm of employees to participate in rectification.

The application discloses an interaction method of a task, an electronic device and a storage medium. The method comprises: in the case that the current task progress reaches a preset progress, displaying an interaction interface, the interaction interface comprising a virtual object; in response to an input operation of an input device, generating a first gesture; and displaying an interaction gesture on the interaction interface, the interaction gesture being formed by the first gesture and a second gesture presented by the virtual object. In the case that the current task progress of a user reaches the preset progress, an interaction Easter egg for interacting with the virtual object is triggered. The virtual object for interaction is displayed by displaying the interaction interface. Then, the user generates a first gesture for interaction by inputting an operation of the input device, so as to form an interaction gesture (such as a heart) with the second gesture presented by the virtual object. Therefore, the user's task promotion incentive is realized through the interaction Easter egg, the enthusiasm of the user for completing the task is improved, and the task promotion efficiency is improved.

The utility model discloses a rubber-tired crane skill competition prop which comprises a main background wall, a mechanical box and ejector pins. A mechanical box is arranged in front of the main background wall, and a first LED lamp box is arranged on the main background wall; a cylindrical pipe is arranged at the top in the mechanical box, and a movable cover is arranged at a pipe opening; a trigger switch is arranged on the inner wall of the mechanical box, a trigger rod is arranged on the trigger switch, and the trigger rod is fixed on the movable cover; a pneumatic control device is arranged at the bottom in the mechanical box, and the trigger switch is connected with the pneumatic control device and the first LED lamp box. The ejector pin is installed at the bottom of a drum hoisted through a rubber-tyred crane, in the process that the ejector pin stretches into the cylindrical pipe, the ejector pin pushes the movable cover to enable the trigger rod to move, the trigger switch triggers the pneumatic control device, the box door of the mechanical box is opened, and the first LED lamp box is lightened. The competition prop provided by the utility model has interestingness and challenging property, and is convenient for operators to use in the skill competition of the rubber-tyred crane.

This invention discloses an information transmission and sharing platform for power grid cloud terminal services, relating to the field of power grid cloud terminal service technology, including identity information management and power grid cloud platform data management. A further improvement of the technical solution of this invention lies in that: the identity information management includes the distribution of identity information for power grid equipment, which includes the following steps: S1, preparatory work before information distribution; S2, information distribution; S3, information data transmission. This invention, through the extensive collection and precise matching of information from various links of the power system, not only strongly supports existing businesses but also expands the industrial chain, driving innovation in market-oriented business models such as integrated energy services and electric vehicles. Furthermore, it can apply big data analytics to extract value from the massive data flow of customer resources, generating profitable data service businesses and increasing user participation in demand response.

The carbon dioxide conversion system comprises a first mixing chamber, an electrochemical reactor, a first conversion unit and a second conversion unit, the feeding end of the first mixing chamber is suitable for introducing a to-be-reacted object and water; the discharge end of the first mixing chamber is communicated with the feed end of the electrochemical reactor, and the electrochemical reactor is configured to perform a water half-splitting reaction on water to generate hydroxyl ions and hydrogen ions, and respectively react with a to-be-reacted object based on the generated hydroxyl ions and hydrogen ions to generate a first product and a second product; the feeding end of the first conversion unit is communicated with the first discharging end of the electrochemical reactor, and the first conversion unit is configured to convert a first product generated by the electrochemical reactor; the feeding end of the second conversion unit is communicated with the second discharging end of the electrochemical reactor, and the second conversion unit is configured to capture carbon dioxide by using a second product generated by the electrochemical reactor and convert the carbon dioxide into a third product.

The utility model discloses a transmission mechanism for a medium-sized mini-tiller, and belongs to the technical field of mini-tillers, the transmission mechanism for the medium-sized mini-tiller comprises a shell mechanism and a transmission mechanism II, the inner side of the shell mechanism is rotatably connected with a transmission mechanism I, the inner side of the shell mechanism is also rotatably connected with the transmission mechanism II, and the transmission mechanism II is connected with the shell mechanism. The inner side of the shell mechanism is rotationally connected with a third transmission mechanism. According to the utility model, a plurality of gears are used for transmission, the structure is firm, the wear resistance is strong, the volume of the tillage machine is effectively reduced, the gear transmission is accurate, the power loss can be effectively reduced, the power of the tillage machine is improved, the tillage depth and efficiency are greatly improved, and the operation quality is obviously improved; through the arrangement of the first transmission mechanism, the second transmission mechanism, the third transmission mechanism, the fourth transmission mechanism and the fifth transmission mechanism, four-wheel drive is achieved, power is improved, multi-gear speed change and multi-gear power switching are achieved, and operation flexibility of the device is improved.

The present application relates to the technical field of Internet of Vehicles data sharing, in particular to an Internet of Vehicles data sharing method and system based on two-layer blockchains. The method determines suitable vehicles as proxy nodes, verification nodes and data nodes by a trusted agency, the data nodes receive data sensing tasks, collect and train data information according to the data sensing tasks, obtain data models, re-sign the data models, send the signed data models to the proxy nodes, the proxy nodes process the signed data models to obtain data blocks to be verified and send them to the verification nodes, the verification nodes verify the data blocks according to a consensus mechanism and send the results back to the proxy nodes, the proxy nodes generate sharded blockchains according to the verification results, the roadside units verify the validity of the sharded blockchains and add them to global blockchains. The present application improves the scalability and data throughput of the Internet of Vehicles system, improves the security of data sharing and reduces communication delay.

The application discloses a pipeline inner circumference cleaning robot, and cleaning device comprises front end cleaning device and upper cleaning device, the front end cleaning device comprises front shovel, left shovel and right shovel, the front shovel is connected at the front end of the robot frame body and is pushed to walk and moves up and down, the left shovel and the right shovel surround the center point fixed on the front shovel, and are symmetrically distributed, and are simultaneously rotated and unfolded along the circular guide rail on the front shovel; the upper cleaning device comprises lifting platform, upper shovel and rotating mechanism, the lifting platform is connected above the robot frame body, the lower end of the upper shovel is provided with angle adjusting device, and the rotating point of the guide rail is arranged at the outer edge of the bottom, the upper shovel is installed on the lifting platform through the rotating mechanism, and the lifting platform, the rotating mechanism and the angle adjusting device are cooperated to make the upper shovel reach the required height and angle; the front end cleaning device and the upper cleaning device are adjusted to the appropriate positions according to the actual conditions.