44results about How to "Realize local control" patented technology

The invention discloses an internet of things system, which comprises a sensing control layer, a transmission layer and an application layer. Furthermore, the invention discloses an implementation method of the internet of things system, wherein the method comprises the following steps that: a user logins into the internet of things system from a browser of the internet of things via a user account and inputs a registered domain name of a certain managed sensing control component in an address bar; the registered domain name is analyzed by a domain name server, and things page of the corresponding sensing control component is loaded by the browser of the internet of things; a corresponding quantum object is loaded by the browser of the internet of things from a quantum piece server in accordance with a things page element of a corresponding things page; the sensing information, which is transmitted to the browser of the internet of things via the transmission layer, is acquired by a sensing module in real time, and is processed by the browser of the internet of things via various quantum objects; and the sensing information processed by the quantum objects is displayed by the browser of the internet of things in real time.

The invention discloses an intelligent control system of a precise and intelligent laboratory. The system includes a local touch screen control system, a central server control system and a remote APPcontrol system; and the remote APP control system includes an APP background host which is in communication connection with a central server, a mobile terminal with a built-in laboratory control APP,and a communication module which is used for establishing a communication connection between the mobile terminal and the APP background host. According to the intelligent control system of the precise and intelligent laboratory, the precise and intelligent laboratory is controlled intelligently through the three layers of control systems, so that intelligent combination of in-situ control, remotecentralized control and mobile terminal APP control of the precise and intelligent laboratory is realized, the intelligent degree and convenience of the precise and intelligent laboratory system aregreatly improved, and a user can monitor and control the parameters of the precise and intelligent laboratory through the convenient laboratory control APP of the mobile terminal anytime and anywhere.

The invention provides a household distributed gateway control system and an implementation method of the household distributed gateway control system. According to the implementation method of the household distributed gateway control system, a remote control terminal generates an instruction based on a specific electrical device and issues the instruction to a remote head gateway; after receiving the instruction, the remote head gateway looks up a routing table and issues the instruction to corresponding main gateways; the main gateways receive the instruction and issue the instruction to specific sub gateways; after receiving the instruction, the sub gateways analyze the instruction which is then executed by corresponding electrical devices; and the main gateways can also receive home terminal instructions through human-computer interaction interfaces supplied by the main gateways, and transmit the instructions to the specific sub gateways after the instructions are input, and then the instructions are received by the specific sub gateways and executed by the corresponding electrical devices. According to the household distributed gateway control system and the implementation method of the household distributed gateway control system, the remote head gateway and the remote control terminal are arranged to be in instruction interaction with the main gateways arranged in all households, and therefore remote control of various electrical devices in the households is realized, and local control of the various electrical devices is also realized at the same time.

The invention provides a control system for Internet of Things equipment. The control system comprises a processor, after the processor receives a management request for the Internet of Things equipment sent by a user, wireless network connection between the Internet of Things equipment and a corresponding communication module is established, and adaptation operation of a wireless communication protocol is carried out in the mode that a corresponding protocol gateway software model is packaged on the basis of the communication module. The Internet of Things equipment supporting the wireless communication protocol is accessed to an Internet of Things gateway; and the current state data of the Internet of Things equipment connected with the Internet of Things gateway are acquired, and the corresponding Internet of Things equipment is controlled to execute corresponding operation if it is judged that the current state data meets the preset control event triggering condition. According tothe invention, the Internet of Things equipment adopting different communication protocols can be accessed to the same Internet of Things gateway, the local control of the Internet of Things equipmentadopting different protocols in the Internet of Things gateway is realized, and the security of the Internet of Things equipment accessing the Internet of Things gateway is ensured.

The invention relates to a virtual SIM card management method and device. The method comprises steps that an access request for virtual SIM cards is received, and the access request comprises a first user account number of the opened virtual SIM cards; operation states of the virtual SIM cards bond with the first user account number are respectively displayed; if a first adjustment request for an operation state of a first virtual SIM card is received, the first virtual SIM card is one of the bond virtual SIM cards, a first corresponding adjustment instruction is generated according to the first adjustment request; the first adjustment instruction is sent to a first terminal utilizing the first virtual SIM card, and the first adjustment instruction is an opening or closing instruction for the SIM cards. The method is advantaged in that remote control on the opened virtual SIM cards can be realized by a user, and convenience and practicality for managing the virtual SIM cards are improved for the user.

The invention relates to the technical field of electric energy storage, in particular to an electric energy storage system and an operation control method, device and system thereof, aiming at solving the technical problem of how to flexibly adjust the operation mode of the electric energy storage system according to the demand changes of the electric load side, the power grid side and the electric energy storage system itself. To this end, the operation control method of the electric energy storage system in the invention can control the electric energy storage system to be charged and discharged according to the operation control instruction, The operation control command depends on the operation scenario of the electric energy storage system, so that the operation mode of the electricenergy storage system can be flexibly adjusted according to the demand changes of the electric load side, the power grid side and the electric energy storage system itself. At the same time, the device and the system provided by the invention can execute the operation control method of the electric energy storage system.

The invention discloses a distributed CAN (controller area network) bus electric control system comprising a main control unit, CAN transponders and executing sub-control units which form a distributed control system, wherein the main control unit is electrically connected with a display unit, the CAN transponders are serially connected with the main control unit, and the executing sub-control units are electrically connected with the CAN transponders. The main control unit transmits a control instruction through display CAN bus communication and takes a main control panel as a control hinge, the control instruction is analyzed and then transmitted, the distributed and serial connected CAN transponders serve as data transfer stations, signals are reinforced and transmitted to the distributed and control executing sub-control units by the CAN transponders, and the executing sub-control units control executing mechanisms to finish final actions. The communication distance is short, and the control system solves the problem that communication signals are divided into multiple sections.

The present invention discloses a ring main unit intelligent and accurate measurement in-site cutting protection system. A ring main unit comprises a primary chamber and a secondary chamber, a distribution line and a switching circuit in the primary chamber are provided with current transformers and voltage transformers; the current transformers and voltage transformers are configured to send collected monitoring data to a controller in the secondary chamber, a primary chamber monitoring sensor and the secondary chamber of the ring main unit are connected through a data line, and the primary chamber is internally provided with a breaker. The current transformers and voltage transformers send the collected monitoring data to the controller in the secondary chamber, a data processing moduleof the controller performs calculation and analysis of the collected data to achieve targeted processing for faults with different qualities.

The invention discloses a waste heat recovery type air treatment unit. The waste heat recovery type air treatment unit comprises a three-dimensional variable structure efficient heat recovery device,a three-dimensional variable structure efficient surface air cooler, a blower, an exhaust fan, a return air coarse filter and a fresh air coarse filter, wherein outdoor fresh air is treated by the fresh air coarse filter, then exchanges heat with indoor return air in the three-dimensional variable structure efficient heat recovery device and then is mixed with the indoor return air so as to exchange heat through the three-dimensional variable structure efficient surface air cooler and pressurize to be sent to a room by the blower; after the indoor return air passes through the return air coarse filter, a part of the indoor return air is mixed with the fresh air after heat exchange, and a part of the indoor return air exchanges heat with the outdoor fresh air in the three-dimensional variable structure efficient heat recovery device and then is discharged to the outside by the exhaust fan. The waste heat recovery type air treatment unit has the advantages of the compact structure and small size and is especially suitable for being installed in a building with limited space; the three-dimensional variable structure efficient heat recovery device is adopted, so that efficient heat recovery between fresh air and return air is realized; and the three-dimensional variable structure efficient surface air cooler is adopted, so that the heat exchange efficiency is improved, thereby achieving the purpose of energy conservation.

The invention discloses a central control device of a vertical shaft construction well-drilling winch, comprising a central control selection button SB5 inside a central control cabinet, a local control selection button SB6 and a plurality of single vertical shaft construction well-drilling winch selection buttons SBn and a plurality of single vertical shaft construction well-drilling winch control devices. The central control device connects the plurality of single vertical shaft construction well-drilling winch control devices into an integer by one single vertical shaft construction well-drilling winch control device, replaces multi-men synchronous operation with one-man operation, not only has good operation synchronicity and safety, but also has manpower saving, thereby being the central control device of the vertical shaft construction well-drilling winch, which is more advanced than a control device of the traditional vertical shaft construction well-drilling winch.

The invention discloses a protective door with a function of resisting the impact of small aircrafts. The protective door comprises a left side door and a right side door; the bottoms of the left sidedoor and the right side door roll on a lower guide rail respectively by means of two travelling wheels; the tops of the left side door and the right side door roll on an upper guide rail respectivelyby means of two upper guide wheels; the left side door and the right side door are respectively provided with drive motors used for driving the travelling wheels to rotate; two electromagnetic locksare arranged on the wall above a middle door seam when the left side door and the right side door are in a closed state; lock holes, corresponding to the two electromagnetic locks, are respectively formed in the tops of the left side door and the right side door; an enhancement structure is arranged between the opposite sides of the left side door and the right side door. The whole structural strength of the protective door is improved, and the protection intensity of the protective door is especially improved when the protective door is closed; the protective door has the functions of resisting the impact of the small aircrafts, resisting the wind pressure of tornado, and defending flying projectiles of the tornado, thus meeting the special use requirements of a nuclear power plant for the protective door.

The invention provides an electric control system of a hydrogen gas adding machine and a gas adding method thereof. The system comprises a power supply and battery management module, a gas adding machine central control module, an operation executing mechanism module, a transaction information reading-writing-displaying module and a communication module. The power supply and battery management module, the operation executing mechanism module, the transaction information reading-writing-displaying module and the communication module are connected with the gas adding machine central control module. The operation executing mechanism module comprises an electromagnetic valve, an array type input keyboard and an emergency stopping operation button. The transaction information reading-writing-displaying module comprises a liquid crystal information display screen, a gas adding machine price and adding amount display screen, and an IC card information reader-and-writer. The communication module comprises a POS machine, a printer and a flowmeter sensor. According to the electric control system, modular type selecting and designing are utilized; and the modules are connected through cables, thereby realizing clear hardware structure and high convenience in fault removing and maintenance.

The invention discloses a gateway-based communication link establishment method and device and an equipment control method and device, the gateway is connected with a local server, and the gateway-based communication link method comprises the following steps: acquiring a communication link establishment request sent by a mobile terminal in the same local area network; analyzing a local domain namein the communication link establishment request, and generating an IP address of the local server according to the local domain name; and establishing a first communication link with the mobile terminal according to the IP address of the local server. According to the invention, the problem that in the prior art, when a home area of a user is disconnected from the Internet, the user cannot issuea control instruction through the mobile terminal to control the intelligent home equipment, control fails, and user experience is affected are solved, local control over the intelligent home equipment is achieved, and the intelligent home equipment can still be controlled under the condition that the gateway is not connected with the Internet; and the local communication link is relatively short,so that the control instruction can be relatively rapidly and efficiently transmitted to the controlled equipment.

The embodiment of the invention provides an Internet of Things equipment control method and device, a gateway and a readable storage medium. The method comprises the steps of obtaining the current state data of at least one piece of Internet of Things equipment connected with the Internet of Things gateway, and enabling all Internet of Things equipment to employ at least one communication protocol; judging whether the current state data meets a preset control event triggering condition or not; and if the current state data satisfy the preset control event triggering condition, controlling at least one piece of Internet of Things equipment corresponding to the control event to execute an operation corresponding to the control event, thereby realizing local control of the Internet of Thingsequipment, reducing dependence on a cloud, and reducing delay and bandwidth. The remote communication between a server and a client is reduced, and the cloud only stores important data, so that the cloud can process more Internet of Things equipment, and the Internet of Things equipment can still normally run through the application program when the cloud has a fault.

The invention discloses a control technique and equipment for the air disorder of a multi-air-inlet shaft. By adopting a natural air pressure directional adjustment and control theory, the amount of hot air supplied to the shaft is adjusted in winter so that a natural air pressure which promotes the shaft to intake air is formed by the shaft which is easy to cause air stagnation or inversion, therefore the problem of the air disorder of the multi-air-inlet shaft in the winter can be solved. The control technique for the air disorder of the multi-air-inlet shaft comprises the specific steps: arranging air current parameter sensor probes in the shaft and relevant connection roadways; programming in a monitor software of an upper computer according to the air current parameters of the shaft, combining a frequency converter and a PLC (Programmable Logic Controller) to automatically adjust the rotating speed of a pressure fan of a hot fan set of the shaft and the opening of an electronic control valve, so as to change the average air temperature and density difference of the shaft, form the directional natural wind pressure which promotes the air inlet of the shaft with the air disorder, and finally achieve an aim of changing the air inlet of the shaft. According to the control technique provided by the invention, the long-distance adjustment to the air inlets of all shafts can be realized through an industrial looped network and upper computer software; furthermore, the control technique has two adjusting modes, such as an automatic adjusting mode and a manual adjusting mode, therefore being convenient, effective and quick to operate; in addition, the equipment is safe and reliable to use and easy to maintain, and is capable of effectively improving the stability of a mechanical extraction type mine ventilation system, thereby being very applicable to the popularization and use in the safety production of coal mines.

The invention discloses a direct-current protection fault tracing implementation method and a system based on an S7 measurement and control unit. The system comprises a basic logic control system, a protection logic operation system, a real-time data acquisition system, an event record file generation system, a data arrangement file generation system and a waveform and event record viewing system.The basic logic control system is connected with the protection logic operation system to output event information to the event record file generation system; and the protection logic operation system is connected with the real-time data acquisition system to output fault data information to the data arrangement file generation system. Events and data information in the event record file generation system and the data arrangement file generation system are downloaded as offline data files, and the offline data files are imported, read and displayed as a waveform and event record list by the waveform and event record viewing system. By adopting the S7 high-end measurement and control unit, the system has the characteristics of high reliability, easiness in maintenance and intelligence, realizes a perfect protection fault tracing function, and is more economical than domestic protection devices.

The invention provides a speed regulating type hydraulic coupling which comprises a box containing hydraulic oil. A first oil filter and an electric heater are both immersed in the hydraulic oil, and a thermal resistor is arranged on the box. The first oil filter, a working oil pump, a cooler and a coupling rotating body are sequentially connected through working oil pipes, and an outlet of the coupling rotating body is connected to a hydraulic oil cavity of the box through the working oil pipe, so that a working oil system is formed. One end of an electromagnetic directional valve is connected with the pipe between the working oil pump and the cooler, the other end of the electromagnetic directional valve is connected with a suction port of an oil suction pump, and a discharging port of the oil suction pump is connected with the hydraulic oil cavity of the box. The working oil system is used for providing the hydraulic oil needed by normal work of the coupling; when the coupling needs to stop working, the working oil pump is stopped, the electromagnetic directional valve is powered on, and the oil suction pump is started to suck residual working oil in the working oil system back into the box. The speed regulating type hydraulic coupling is convenient to control, long in service life, low in energy consumption and simple in structure, the cost is reduced, and the use performance is improved.

The invention relates to internal automatic segment feeder equipment of a shield tunneling machine. The internal automatic segment feeder equipment consists of an external conveying platform and an internal conveying platform which is embedded inside the external conveying platform, wherein backstop retaining pawls are respectively arranged at the two sides of each of the external and internal conveying platforms, and tube segments are conveyed to move forwards. Compared with the prior art, the internal automatic segment feeder equipment has the advantages that the structure is simpler, firmer and more reliable, the space utilization ratio is higher, the procedure of ordinary electric hoist transporting is avoided, more construction time is saved, on-site control and automated tube segment assembly can be realized, and the workload of workers is reduced.

The invention discloses a home network automation system. The system is composed of a multi-key touch panel, a power supply controller connected with the multi-key touch panel, and a field bus connected with the multi-key touch panel and the power supply controller. The multi-key touch panel can be connected with a home intelligent system, a security system and a central monitoring system, and is integrated with functions of air conditioner, lighting, security and audiovisual entertainment control systems; and the power controller is connected with a lighting device or / and a non-lighting device through a circuit. The home network automation is designed based on the LonWorks (field bus) technology, and is used for providing a simple, convenient and flexible operating mode for the lighting systems, the electrical appliances and the network sub-systems thereof in residence, office buildings and industry. A lighting dimming system based on the LonWorks technology has superlative stability and excellent open property.

The invention relates to an explosion-proof solar sector cold protection gate capable of rotating by 360 degrees. The explosion-proof solar sector cold protection gate capable of rotating by 360 degrees is suitable for stock bin truck loading of various sorts of ore, coal, ash, chemical products, cement, sand and other bulk materials and can achieve truck loading operation particularly under the condition that the outside environment temperature is extremely low. The explosion-proof solar sector cold protection gate comprises an explosion-proof solar cell system, an explosion-proof solar heating system, a stock bin, a stock bin warm-keeping interlayer, a movable cold protection bulkhead gate support assembly, a gate middle connecting section, a middle connecting rotation drive assembly, a rotation feeding section and a combined sector gate assembly. The explosion-proof solar cell system and the explosion-proof solar heating system are arranged outside and inside the stock bin warm-keeping interlayer. The movable cold protection bulkhead gate support assembly is installed on a discharging bin opening of the stock bin and the interlayer outer wall and further comprises a warm-keeping roller bulkhead gate, a support and an electric-hydraulic pusher. The combined sector gate assembly comprises a combined sector gate, a hydraulic power unit and a hydraulic cylinder.

Disclosed is a pneumatic actuator control high pressure ball valve. The ball valve comprises a lower connecting joint, a valve body, a base support, an upper cover, an O-shaped sealing ring, an adjusting butterfly spring, a reinforced PPL synthetic sealing material, a spherical valve element, a sealing gasket, packing, a valve rod, hexagon bolts, a bracket, a pneumatic control device and a ball base sealing ring; the valve body is a transverse thick cylinder, the thick cylinder of the valve body is provided with an inlet and an outlet of the valve, and the inlet and the outlet are connected with end joints; the spherical valve element is arranged in the center of the valve body, left and right ball base sealing rings communicated with the inlet and outlet are located at the inlet and outlet which are formed in the left and right portions of the valve body, and the bracket is arranged on the combined packing and fixed to the upper cover of the valve body through screws at the upper end;the pneumatic control device is arranged above the bracket; the pneumatic control device outputs rotational driving torque to the valve rod.

The invention aims to overcome the defects in the prior art, and provides a land ship system for a simulation test, which is used for simulating the motion characteristics of a target ship on the land, and comprises a control subsystem and a land ship subsystem in signal connection with the control subsystem, the control subsystem is used for controlling the operation of the land ship subsystem and receiving the feedback of the land ship subsystem; and the land ship subsystem is used for realizing simulation of a target ship according to the command of the control subsystem. A land ship for simulating the target ship is arranged on the land, so that the land ship can be separated from the water environment for testing, does not need to coordinate a test water area and block the water surface, is relatively small in test preparation and coordination workload, is easy to recover the ship body, and can flexibly travel on the land at a high speed according to a preset track through the control subsystem; and the motion characteristics of the target ship are truly simulated.

The invention relates to fire extinguishing equipment with an alarm for an electric power tunnel. The fire extinguishing equipment comprises a plurality of fireproof devices arranged in the electric power tunnel, and each fireproof device comprises a roller shutter type fireproof door and an access controller for controlling the opening and closing of the roller shutter type fireproof door; the roller shutter type fireproof doors divide the electric power tunnel into a plurality of fire-fighting sections, and each fire-fighting section is internally provided with an electric power tunnel sensor network unit, and an audible and visual alarm, a spraying fire extinguishing device, a plurality of smoke detectors and a plurality of cable temperature sensors which are connected with the electricpower tunnel sensor network unit; and each access controller is connected with each electric power tunnel sensor network unit in adjacent fire-fighting sections, the fire extinguishing device comprises a water source and a plurality of spray heads communicating with the water source, and a control valve for controlling a main branch pipeline to be opened or closed is arranged on the main branch pipeline. According to the fire extinguishing equipment with the alarm for the electric power tunnel, and on-line monitoring and instant fire extinguishing of fire in the electric power tunnel can be realized.

The invention belongs to the technical field of the power supply system of the airplane and relates to a simulation-excitation integrated testing method for an airplane power control device. The testing method comprises: step one, a simulation and excitation environment is constructed; and step two, a testing process is carried out respectively in an exciter mode and a simulator mode. According to the invention, on the basis of construction of a simulation-excitation integrated testing environment, comprehensive verification of the function and performance of the power control device of the power supply system can be realized. Meanwhile, the equipment number is reduced and the equipment function is perfected. Besides, the exciter mode is designed to have two kinds of modes: a local control mode and a remote control mode; and remote control and coordinated loading can be realized.

The invention discloses a drilling machine integrated double-loop network coupling control system based on an IPC and a PLC. The system comprises a main operation platform connected with a client, wherein the main operation platform is connected with a main operation platform PLC station, and the client, a CCTV controller and a first server are all connected with a network NET2. The network NET2 is connected with a network NET1 which is connected with a first remote monitoring station. The first server and the main operation platform PLC station are respectively connected with a network NET3 and a network NET4. The network NET3 is connected with the network NET4. The network NET3 and the network NET4 are respectively and correspondingly connected with a first PLC station, an intelligent anti-collision control station and a redundant PLC control station. According to the system, the control system becomes automatic, intelligent and networked, and quick responding and remote concentrated operation and maintenance are achieved.

The invention provides a remote training, fault diagnosis system of a production system and an implementation method thereof. The remote training, fault diagnosis system of the production system comprises a main control computer mounted on a well, and a switch connected with the main control computer, a voice alarm output device connected with the switch, a printer, a stream media server and a camera; the switch is connected with a main shaft hoisting system, a central substation centralized control system, a pressure fan centralized control system, a ground coal flow centralized control system, a coal washery centralized control system and a simulation teaching system through a pair of optical fiber switches, and the optical fiber switches are connected through an optical cable. The main safety production system and teaching emulation system can be integrated by the remote training, fault diagnosis system of the production system for remote controlling and monitoring, the actual use and simulated practice training function can be achieved by the remote training, fault diagnosis system of the production system, the operation and maintenance people is trained for the coal mine integrated automation system, the normal work of the integrated automation system is guaranteed and the running efficiency of the system is improved.

The invention discloses an intelligent multifunctional fire water tank system. The system comprises a multifunctional fire water tank, water inlet pipes, water outlet pipes, water level sensors and awater level controller module. A water inlet protruding groove which protrudes upwards locally is formed in the top surface of the multifunctional fire water tank. A water suction groove which sinks downwards locally is formed in the bottom surface of the multifunctional fire water tank. An access door which is opened inwards is arranged on the lateral side of the multifunctional fire water tank.The water level sensors are sequentially mounted on the side wall of the multifunctional fire water tank from top to bottom. Electromagnetic water valves are arranged on the corresponding water inletpipes. The water level sensors and the electromagnetic water valves are in communication connection with the water level controller module. The invention further discloses a control method of the intelligent multifunctional fire water tank system. According to the multifunctional fire water tank system, the effective volume is large, materials and the mounting space are saved, and the manufacturing cost and the civil engineering cost are low; fire demand, domestic water and production water share the water tank, and the water quality is effectively guaranteed; and the water level of the watertank is monitored in real time, and accidents including water shortage, water leakage and the like are prevented.

The invention relates to field of spraying technology and discloses a spraying control system comprising a control device, a frequency conversion device, a rotating motor, a walking motor, and a spraying device. The rotating motor is connected with the walking motor. The spraying device is arranged on the rotating motor or the walking motor. The rotating motor is used for achieving the rotation of the spraying device. The walking motor is used for achieving the feeding of the spraying device. The signal input end of the rotating motor is in signal connection with the signal output end of the frequency conversion device. The signal input ends of the frequency conversion device and the walking motor are in signal connection with the signal output end of the control device. The spraying control system solves or partially solves a technical problem paint can be just manually sprayed in the prior art and has technical effects of increasing work efficiency, achieving uniform spraying, protecting environment, and guaranteeing the body health of an operator.

The invention discloses a locally controlled hydraulic oil-containing sludge spiral conveying pump. The locally controlled hydraulic oil-containing sludge spiral conveying pump comprises a pump main body; the pump body comprises a feeding pipeline, a stator and a discharging pipeline which are horizontally and coaxially arranged and are of an integrated structure, a feeding hopper is arranged on the feeding pipeline, the feeding hopper is installed at the feeding end of the feeding pipeline through a bolt assembly, and a rotating shaft with a spiral sheet is horizontally arranged in the feeding pipeline; the end part, away from the stator, of the feeding pipeline is connected with a hydraulic driving mechanism for driving the rotating shaft to work through a flange; and the other end of the rotating shaft is connected with the rotor in the inner cavity of the stator through a universal joint. The locally controlled hydraulic oil-containing sludge spiral conveying pump has the beneficial effects that oily sludge with various characteristics such as dryness, viscosity, dryness and thinness can be pumped, hydraulic driving is adopted, the explosion-proof requirement can be met, localcontrol can be realized, each interface is designed into a quick joint mode, namely, a pump outlet, a hydraulic motor interface and the like are designed into quick joints, a feeding trough is also designed into a detachable structure, and the equipment is convenient to disassemble and assemble.