36results about How to "Guarantee the effect of transportation" patented technology

The invention discloses a transportation device based on a robot vision system and an independent tracking system. The transportation device comprises a transportation vehicle body, wherein a control system, an initial target information storage system, a vision recognition system, a decision control system and an independent tracking system are arranged on the transportation vehicle body; the initial target information storage system, the vision recognition system, the decision control system and the independent tracking system are respectively connected with the control system; the initial target information storage system is used for storing the human body feature information of an initial target and setting a luggage taking code or a sensing signal; the vision recognition system is used for processing the extracted image information; the decision control system is used for tracking and judging the initial target, optimizing the path, generating a control instruction and issuing the control instruction to the independent tracking system; the independent tracking system is used for performing differential speed regulation on wheels of the transportation vehicle body and driving the transportation vehicle body to implement tracking on a target. The transportation device has the advantages that the vision recognition is used for locking the position of a target object and the self body, the decision control is realized through a genetic PID (proportion integration differentiation) algorithm, a moving mechanism is executed to complete the tracking on the target object, and the goal of closely following passengers is achieved.

The invention discloses a self-adaptive calculation method for a full-speed closely-attaching running control curve of a rail transit train. The method includes the following steps that a train running path and a train full-speed running reference curve are determined; a train traction running curve is calculated; the intersection sections of the train traction running curve and other reference curves are calculated; a train cruising running curve is calculated; the intersection sections of the train cruising running curve and other reference curves are calculated; a train braking running curve is calculated; the intersection sections of the train braking running curve and other reference curves are calculated; and in the train running direction, the train full-speed closely-attaching running control curve is generated. By the adoption of the method, a project task period can be greatly shortened, the project construction schedule is accelerated, and a large amount of expenditure is saved; and the use period of train-mounted system equipment is prolonged, the repair and maintenance workloads are reduced, the comprehensive design quality and level of a rail transit project are improved, and effective realization of the line transportation capacity is guaranteed.

The invention relates to a transportation network planning method, a system, an apparatus and a storage medium. The method comprises the following steps: determining the sending weight of the target warehouse and the maximum allowable time consumption from the target warehouse to the preset destination network point, and counting the transportation capacity resources; According to the preset constraint relationship between the route transportation time and the maximum allowable time from the target warehouse to the preset destination network, selecting the route satisfying the time-efficiencyrequirement. According to the preset constraint relation between the delivery weight of the target warehouse and the transportation capacity of the route, selecting the route satisfying the transportation capacity; Calculating the transportation cost of the route that meets the requirements of time-efficiency and transportation capacity, and determining the route with the lowest transportation cost. The present application makes full use of existing resources, optimizes the transportation network, ensures the minimum transportation cost of the whole network under the condition of the time limitation and the transportation capacity, and provides cost support for realizing the specific time limitation.

The invention discloses a vehicle safety integrated monitoring system for running trains. The system comprises a rail-side multi-sensor fieldbus intelligent detecting unit, a multi-element information processing machine transmit computer unit, a rail-side wireless communication unit and a detection station monitoring information control terminal. The system integrates multiple detection functions, achieves intelligent multi-sensor information fusion, conducts diversification parallel processing on various parameters, combines a wireless communication mode, greatly expands monitoring space, comprehensively improves system monitoring capacity, and enables the monitoring success rate to be greatly improved. The system can be widely used in harsh working environment of the two sides of railway steel rails, and can be maintained conveniently in later period. The detection station monitoring information control terminal uploads processed data to a superior vehicle safety monitoring center and a system cloud processing unit, instant sharing of information in each unit is achieved, and accuracy, reliability, instantaneity and stability of each vehicle safety parameter data of the running trains are ensured.

The invention relates to a high-speed railway ballastless track shifting connection structure, and aims at shortening the construction time of a shifting connection foundation to the greatest extent and laying a solid foundation for shifting connection of a main line ballastless track in one skylight time after station off-line foundation diseases are thoroughly treated. The structure comprises amain line ballastless track and a ballasted track temporary line located on one side of the main line ballastless track, wherein the ballasted track temporary line is composed of a ballasted track bedand sleepers, a transition section is arranged between the main line ballastless track and the ballasted track temporary line to serve as a temporary line transition shifting connection foundation, and a main body of the transition section is a reinforced concrete widened track bed poured on the outer side of the ballasted track bed; a certain length in front of the transition section and the main line ballastless track is a track surface elevation lifting section, a split mounting type track bearing table is fixedly arranged on the top faces of the existing ballastless track bed and the reinforced concrete widened track bed in the track surface elevation lifting section, the temporary line steel track is locked through the split mounting type rail bearing table, geometrical shape and position arrangement is conducted on the track surface, and temporary line shifting connection is completed.

The invention discloses an adjustable cargo conveyor for logistics transportation. The adjustable cargo conveyor for logistics transportation comprises a working table, wherein fixed support legs arefixedly connected to the periphery of the bottom part of the working table; a driving wheel is arranged on one side of the upper end of the working table; a driven wheel group is arranged on one sideof the driving wheel and the upper part of the working table; through a rotary column capable of rotating and an air cylinder clamping jaw capable of lifting up and lowering down, when cargos on a conveyor belt are adjusted, moved and removed, a No.1 air cylinder and the air cylinder clamping jaw can push or clamp the cargos into a storage table; meanwhile, through arranging a cleaning mechanism and a mud scraping board, when the conveyor belt rotates, the mud scraping board scrapes mud on the conveyor belt; and the conveyor belt is blow-dried through water spraying, cleaning sponge and an exhaust fan, so that the transportation capability of the conveyor belt is kept, and excessive dust and cargo slippage on the conveyor belt are avoided. The mechanism adopted by the design is simple in structure, high in efficiency, and capable of greatly improving the operation and use efficiency of the adjustable cargo conveyor for logistics transportation.

The invention discloses an automatic conveying device for hardware machining. The automatic conveying device for hardware machining comprises a base, wherein a first containing frame is fixedly installed on the middle side of the right part of the upper end of the base; a telescopic extrusion device is arranged in an inner cavity of the first containing frame; a second containing frame is fixedly installed on the middle side of the left part of the upper end of the base; a sliding extrusion device is arranged in an inner cavity of the second containing frame; a supporting device is arranged on the left part of the upper end of the base; fixing plates are fixedly installed on the front side and the rear side of the right part of the upper end of the base correspondingly; a conveying device is arranged in an inner cavity of a conveying table; a sliding device is arranged on the groove walls of two sliding grooves; and a flow dividing device is arranged in the middle of the upper end of the sliding device. According to the automatic conveying device for hardware machining provided by the invention, when an extrusion block continuously extrudes an arc-shaped block, the conveying device generates a vibration effect, and materials on the conveying device are vibrated to be in a dispersed state, so that material stacking is further prevented, and normal conveying operation is guaranteed.

The invention discloses an operation state intelligent regulation and control system based on an on-time rate analysis of an AGV. The system comprises an error setting module used for obtaining an accumulated operation time and an accumulated transport weight of a target AGV and setting a time error for the target AGV, a time acquisition module used for obtaining m actual operation times and m theoretical operation times during task execution of m continuous times of the target AGV, an on-time rate analysis module used for determining an on-time rate of the target AGV, and an intelligent regulation and control module used for making an operation state regulation and control strategy for the target AGV based on a comparison result of the on-time rate of the target AGV and a preset value. According to the system, a time error model is determined according to the accumulated operation time and the accumulated transport weight of the AGV, the influence of the working duration and the working strength on the operation speed and the operation time of the AGV is weakened, on one hand, the accuracy of time error making is improved, and on the other hand, the validity of the analysis of theactual operation time of the AGV is improved.

The invention relates to the coal mine roadway drivage machinery, in particular to a multi-truck second transporter, which is applied to a tunneling machine of a track roadway or a transportation roadway. The transporter is used to solve the problem of material transportation in the prior drivage roadway. The multi-truck second transporter is provided with a second transporter, at least two mine trucks and a gantry trolley; one end of the second transporter is hinged with a rotary table of the second transporter supported by the tunneling machine; the other end of the second transporter is hinged with the gantry trolley; and the middle part of the gantry trolley is provided with a channel, on which a mine truck can pass. The multi-truck second transporter is applied to guarantee the transportation capacity of materials, greatly reduce expenses of the roadway construction, omits a belt conveyer in production process, paves a track for the mine truck with the drivage of the roadway, and directly uses the mine truck to deliver the materials transported by the second transporter; in addition, multitrucks are used to load the materials, so the production efficiency is improved greatly.

The invention provides a shape memory epoxy resin modified asphalt mixture and a preparation method thereof. The preparation method comprises the following steps: taking 4-6 parts of asphalt, 100 parts of aggregate, 1-20 parts of shape memory epoxy resin and 1-6 parts of mineral powder according to parts by mass; mixing the aggregate and the shape memory epoxy resin, and then blending uniformly atthe temperature of 140 DEG C to 180 DEG C to obtain a blending mixture a; mixing the asphalt and the blending mixture a, and then blending uniformly at the temperature of 140 DEG C to 180 DEG C to obtain a mixing mixture b; and mixing the mineral powder and the blending mixture b, then blending uniformly at the temperature of 140 DEG C-180 DEG C, cooling to a room temperature, and thus obtainingthe shape memory epoxy resin modified asphalt mixture. The shape memory epoxy resin modified asphalt mixture has an excellent pavement performance and a remarkable improvement effect on the deformation recovery performance of the asphalt mixture; and the preparation method is simple in operation and low in cost and has low requirements on equipment and the characteristics of environmental protection.

The invention discloses an MPVE double-wall corrugated pipe connection and sealing device, which belongs to the field of double-wall corrugated pipes, and comprises two corrugated pipes and two connecting frames, the two connecting frames are respectively located outside the two corrugated pipes, and the two A fixed plate is fixed on the side close to the connection frame, and a sealing ring is fixed on the side close to the two fixed plates. Both ends of the sealing ring are connected with connecting pipes, and sealing grooves are opened on both side walls of the sealing ring. The inner surfaces of the top walls of the two connection frames are symmetrically rotated and installed with a screw rod one, and the screw nut block one is threaded on the screw rod one, and the screw rod two is installed on the inner surfaces of the bottom walls of the two connecting frames. Screw nut block 2 is threadedly connected, a fixed shaft is welded between screw mandrel 1 and screw mandrel 2 on the same side, and movable rod 1 is fixed between two nut block 1; the present invention has novel design and ingenious structure, ensuring The bellows connection is tight, and it is easy to disassemble, easy to maintain and overhaul, easy to operate, and worthy of promotion.

The invention belongs to the field of a granular material conveying device, and particularly relates to a novel granular material short-distance horizontal conveying device. The novel granular material short-distance horizontal conveying device is characterized in that the left end of a pipeline is provided with a feeding opening; a large flange A is fixedly arranged on the pipeline near one end of the feeding opening; a chain wheel A is fixedly arranged at the left end of the pipeline; a transmission chain is connected with the chain wheel A and a chain wheel B; the chain wheel B is fixedly arranged on a work head; the work head is fixedly arranged on a motor; the motor is fixedly arranged on a machine frame; the right end of the pipeline is provided with a discharging opening; a large flange is fixedly arranged on the pipeline near one end of the discharging opening; a machine case is fixedly arranged on the pipeline; a small flange A and a small flange B are respectively and fixedly arranged at the two sides of the pipeline.

The invention discloses a novel high-lift submersible pump, and belongs to the technical field of submersible pumps. The novel high-lift submersible pump comprises a pump body, the lower end of the pump body is provided with a machine shell, a motor is arranged in the machine shell, the bottom of the pump body is provided with a water inlet, a blockage removing assembly is arranged in the water inlet, the blockage removing assembly comprises a fixed seat fixed on the inner wall of the water inlet, a support column penetrating through the fixed seat is arranged in the fixed seat, and a filter screen is arranged at the end, close to the pump body, of the support column. Blocked meshes of the filter screen can be subjected to blockage removal through the blockage removing mechanism, and whenimpurities adsorbed on the filter screen are excessive and water flow cannot normally pass through the filter screen, the filter screen is influenced by the attraction force of the submersible pump and is close to an ejector rod, the ejector rod penetrates through the filter screen through the meshes in the filter screen, so that the effect of dredging the filter screen is achieved, after the filter screen is dredged, the attraction force on the filter screen is reduced, the filter screen is reset under the elastic force of a spring, the filter screen does not need to be disassembled and cleaned, and time and labor are saved.

A multi-stage series mobile power supply system comprises movable power supply vehicles and an electric engineering machinery; the movable power supply vehicles provide electric power to the electric engineering machinery; a storage battery, an output electric power conversion device, a cable twisting and releasing device, a charging device, a powered device, an input electric power conversion switch and an output electric power conversion switch are mounted on each movable power supply vehicle; cables which can be automatically twisted and released are arranged in the cable twisting and releasing devices; and the input electric power conversion switches and the output electric power conversion switches are used for converting power supply lines in the movable power supply vehicles. According to the multi-stage series mobile power supply system, by using a technique of using the plurality of movable power supply vehicles with different sizes to supply power in an overlapped manner, the mobility, transportability, hoisting property and so on of the system are guaranteed, the continuous working time is long, the structure and operation are simple, multi-stage rectification and frequency conversion are avoided and electric power loss is reduced.

The invention discloses a lithium battery-powered bi-directional-movement rail guided vehicle and belongs to the technical field of intelligent conveying. The lithium battery-powered bi-directional-movement rail guided vehicle comprises guide rails, a vehicle body, a transportation mechanism and a lithium battery assembly; the vehicle body is installed on the guide rails in a sliding mode; a movement driving device used for driving the vehicle body to reciprocate along the guide rails is arranged on the vehicle body; the transportation mechanism is arranged on the vehicle body and comprises aplurality of transportation rollers of which the axes are parallel to the guide rail, and a transportation driving device for driving the transportation rollers to rotate around the axes of the transportation rollers; and the lithium battery assembly is arranged on the vehicle body and supplies power to the movement driving device and the transportation driving device. According to the lithium battery-powered bi-directional-movement rail guided vehicle of the invention, the vehicle body moves along the guide rails, and the transportation mechanism drives goods to move to achieve two-way transportation, and therefore, transmission requirements are comprehensively met; and the lithium battery assembly is adopted, so that the limitation of wired power supply is eliminated.

The invention discloses a self-adaptive calculation method for a full-speed closely-attaching running control curve of a rail transit train. The method includes the following steps that a train running path and a train full-speed running reference curve are determined; a train traction running curve is calculated; the intersection sections of the train traction running curve and other reference curves are calculated; a train cruising running curve is calculated; the intersection sections of the train cruising running curve and other reference curves are calculated; a train braking running curve is calculated; the intersection sections of the train braking running curve and other reference curves are calculated; and in the train running direction, the train full-speed closely-attaching running control curve is generated. By the adoption of the method, a project task period can be greatly shortened, the project construction schedule is accelerated, and a large amount of expenditure is saved; and the use period of train-mounted system equipment is prolonged, the repair and maintenance workloads are reduced, the comprehensive design quality and level of a rail transit project are improved, and effective realization of the line transportation capacity is guaranteed.

The invention provides a stirring device provided with a replaceable stirring part. The device comprises electric motors and a stirring box, output shafts of the electric motors are connected with gearboxes, output shafts of the gearboxes are connected with couplers, the couplers are connected with stirring arms, the stirring arms are arranged in the stirring box, and the electric motors, the gearboxes, the couplers and the stirring arms are symmetrically arranged around the center of the stirring box respectively. The device is simple in structure connection, convenient to operate and good instirring effect, the material stirring range of the stirring device is broadened by means of the convenient replaceable stirring part, the stirring arms are good in corrosion resistance, and the stirring device is good in stirring and guiding effect, long in service life and applicable to promotion and use.

The invention relates to the technical field of Internet commodity transportation, and discloses an Internet commodity transportation device for controlling quick cleaning, drying and lubrication of achain. The Internet commodity transportation device comprises a cleaning machine, wherein a pollution discharge bin is movably connected below the exterior of the cleaning machine; a rotating base ismovably connected to the bottom of the interior of the cleaning machine; a pollution discharge track is movably connected to the bottom of the interior of the cleaning machine; ultrasonic plates aremovably connected to the interior of the cleaning machine; a control track is movably connected to the lower right of the interior of the cleaning machine; and a drying tube is movably connected to the right side of the exterior of the cleaning machine. According to the device, the cleaning level of the interior of the cleaning machine rises, the cleaning fluid in the cleaning machine is quickly driven to rotate by utilizing the rotating action of the rotating base, a rotating wheel and a conveying chain are quickly cleaned, and meanwhile, part of oil stains which are difficult to remove on the conveying chain can be quickly cleaned by the ultrasonic plates, so that an effect of quickly and comprehensively cleaning a transportation rack is achieved, and the transportation effect is guaranteed.

The invention discloses a transportation device based on a robot vision system and an independent tracking system. The transportation device comprises a transportation vehicle body, wherein a control system, an initial target information storage system, a vision recognition system, a decision control system and an independent tracking system are arranged on the transportation vehicle body; the initial target information storage system, the vision recognition system, the decision control system and the independent tracking system are respectively connected with the control system; the initial target information storage system is used for storing the human body feature information of an initial target and setting a luggage taking code or a sensing signal; the vision recognition system is used for processing the extracted image information; the decision control system is used for tracking and judging the initial target, optimizing the path, generating a control instruction and issuing the control instruction to the independent tracking system; the independent tracking system is used for performing differential speed regulation on wheels of the transportation vehicle body and driving the transportation vehicle body to implement tracking on a target. The transportation device has the advantages that the vision recognition is used for locking the position of a target object and the self body, the decision control is realized through a genetic PID (proportion integration differentiation) algorithm, a moving mechanism is executed to complete the tracking on the target object, and the goal of closely following passengers is achieved.

The invention relates to a belt adjusting device for a folding machine. The belt adjusting device for the folding machine is characterized in that the belt adjusting device for the folding machine comprises a belt pulley, a belt driving shaft and a belt roller. The belt pulley is rotatably installed at one end of the belt driving shaft, and the belt roller is rotatably installed at the other end of the belt driving shaft. The belt driving shaft extends out of the belt pulley and the belt roller. A belt adjusting electromagnetic valve is installed on the belt driving shaft. According to the belt adjusting device for the folding machine, the belt adjusting electromagnetic valve is arranged on the belt driving shaft, the rotating speed of the belt driving shaft can be reasonably adjusted, sothat the belt driving shaft, the belt pulley and a belt run synchronously, the stability of the belt in the transmission process is high, and the probability of loosening, clamping and stagnation of the belt is reduced; and the structure is ingenious, the adjustment effect is good, the transport effect and efficiency of the belt are ensured, the belt can be better used on the folding machine, andthe promotion and application of the folding machine in the market is facilitated.

The invention provides an inclined tape film conveying device, and relates to the field of conveying devices. The inclined tape film conveying device comprises a conveying device body and a support assembly, wherein the conveying device body is obliquely arranged on the support assembly, and the inclination angle between the conveying device body and the support assembly is an acute angle. The inclined tape film conveying device solves the problem that when a tape film conveying device of an existing automatic taping machine conveys tape film raw materials, the phenomenon of tape film looseness occurs due to friction force insufficiency, and then the using effect of the taping machine is affected.

The invention discloses an MPVE double-wall corrugated pipe connecting and sealing device, and belongs to the field of double-wall corrugated pipes. The MPVE double-wall corrugated pipe connecting andsealing device comprises two corrugated pipes and two connecting frames, wherein the two connecting frames are separately positioned on the outer parts of the two corrugated pipes; the sides, close to each other, of the two connecting frames are fixedly equipped with fixed plates; the sides, close to each other, of the two fixed plates are fixedly equipped with sealing rings; the two ends of thesealing rings are connected with connecting tubes; sealing slots are formed in the two side walls of the sealing rings; the inner surfaces of the top walls of the two connecting frames are symmetrically and rotatably equipped with lead screws I; the lead screws I are in threaded connection with nut blocks I; the inner surfaces of the bottom walls of the two connecting frames are symmetrically androtatably equipped with lead screws II; the lead screws II are in threaded connection with nut blocks II; a fixed shaft is welded between the lead screw I and the lead screw II at the same side; and amovable rod I is fixedly arranged between the two nut blocks I. The MPVE double-wall corrugated pipe connecting and sealing device is novel in design, is delicate in structure, guarantees connectingsealing property of the corrugated pipes, is convenient to dismount, is convenient to maintain and overhaul, is simple to operate, and is worthy of being popularized.

The invention discloses an iron sheet printing production line. The iron sheet printing production line comprises a feeding device, a printing device, a UV curing device, a cooling device and a discharging device which are sequentially arranged, the feeding device is connected with the printing device through a first conveying belt, the printing device is connected with the UV curing device through a second conveying belt, the UV curing device is connected with the cooling device through a third conveying belt, and the cooling device is connected with the discharging device through a fourth conveying belt. According to the iron sheet printing production line, automatic feeding and discharging operation on iron sheets is achieved, automation of the iron sheet printing production line is improved, position detection can be carried out on the iron sheets in a continuous working state through a detection device, and therefore it is ensured that the situation that two iron sheets are overlapped cannot occur, and the production efficiency is improved.

The invention relates to the technical field of garden beautification, and discloses a conveying protection device and protection method for transplanting emmenopterys henryi. The conveying protectiondevice comprises a positioning straightening device, wherein a bottom limiting structure is connected to the middle of the bottom of the positioning straightening device in a penetrating mode; fine adjustment side fixed supports are welded to the tops of the two sides of the inner wall of the positioning straightening device; the outer sides of the two fine adjustment side fixed supports are sleeved with fine adjustment side fixed supports respectively; one ends of the bottoms of the two fine adjustment side fixed supports are welded to the two sides of the top of a supporting and fixing mechanism correspondingly; anti-side-position supporting frames are inserted into the two sides of the top of the supporting and fixing mechanism correspondingly; and the ends, located at the tops, of thetwo anti-side-position supporting frames are welded to the two sides of the top of the positioning straightening device correspondingly. According to the device, the internal size of the supporting and fixing mechanism is adjusted according to the size of the emmenopterys henryi, then the emmenopterys henryi can be placed and clamped in the supporting and fixing mechanism, then side position preventing effect on the emmenopterys henryi is realized through the positioning straightening device, and the protection effect on the emmenopterys henryi can be improved.

The invention discloses a two-for-one twister for processing artificial environment-friendly fiber yarn, and relates to the technical field of two-for-one twisters. The two-for-one twister for processing the artificial environment-friendly fiber yarn comprises a two-for-one twister body, a dust collection mechanism and a dust collection mechanism, a filter box is fixedly installed at the top of the two-for-one twister body through a fixing block, an air inlet pipe is fixedly connected to the front side of the filter box and communicates with the interior of the filter box, and the dust collection mechanism comprises a rotating rod A and induced draft fan blades which are arranged in the filter box; one ends of the three groups of rotating rods A are rotationally mounted on the top of the inner side of the filter box, and the tops of the two groups of induced draft fan blades are fixedly connected with the other ends of the two groups of rotating rods A respectively. According to the two-for-one twister for artificial environment-friendly fiber yarn processing, through cooperative use of a direct current motor, a rotating rod A, a driven gear, a driving gear, induced draft fan blades and a filter screen, air around the two-for-one twister can be sucked into the filter box and filtered in the processing process, and therefore the content of fluff and dust in the air is reduced.

The invention relates to a rare earth element doped aluminum alloy conductor of a circuit cable and a manufacturing method. Cu and Fe are doped in an aluminum alloy conductor, so that the thermal stability and the mechanical strength of the conductor are greatly improved; Ag is doped, so that the electrical property of the conductor is improved; the doping of rare earth elements is carried out, sothat the mechanical property of the conductor cannot be greatly lost under the doping condition, and the performance is ensured. In addition, the secondary hot rolling is carried out during the manufacturing of the conductor, so that the mechanical property of the conductor is stronger, the brittleness is reduced, tiny defects are repaired, and the conductor is not liable to break; the conductoris made into an aluminum ring with the oval cross section before secondary hot rolling, so that the conductor can ensure the transportation performance, the secondary hot rolling can be conveniently carried out, and the deformation amount is small. The conductor is firstly subjected to mutual twisting forming, so the forming shape stability can be guaranteed and the forming effect can be conveniently monitored; drawing is conducted after mutual twisting, so the shape stability of the wires after drawing can be improved.

The invention discloses a ship-borne river channel aquatic weed fishing equipment, which includes a frame body, a conveying chain net, an adjusting plate and an adjusting mechanism. In the process, the debris in the aquatic plants will not fall and get stuck in the conveying chain net, which will not cause the jamming problem of the conveying chain net, ensure the transportation capacity of the conveying chain net, and then ensure the smooth progress of the salvage work of aquatic plants. Ensure work efficiency and bring convenience to the staff; through the set adjustment plate and adjustment mechanism, the harvesting port can be adjusted during the aquatic weed salvage work process, and then the aquatic weed can be adjusted according to the actual situation of the aquatic weed in the river and the actual work needs. It is very simple and convenient to adjust the size of the opening of the adjustment plate through the set adjustment mechanism, which brings convenience to the staff, improves work efficiency and ensures the economic benefits of work.