516results about How to "Shorten working time" patented technology

The invention relates to a multi-interface cable auxiliary device for a high-voltage capacitor, and relates to the technical field of high-voltage capacitor cable wiring, the multi-interface cable auxiliary device comprises a side loading table of a placement rack, first, second and third support plates are all provided with wire coils, and a rotating rod is rotatably arranged above the loading table; two vertical plates are mounted on the fourth supporting plate; a rotary table is rotatably arranged between the two vertical plates; rotary tables are fixedly mounted at two ends of the rotary table; wire guide rollers are placed in grooves in the outer edges of the rotary tables; and a second pay-off roller with adjustable vertical height is arranged below the bracket. The cable does not need to be taken out manually, the operation time can be saved, the cable wiring efficiency is improved, meanwhile, the structural functionality is improved, cable inlet and outlet structures are more flexible, the situations of jamming and dislocation can be effectively avoided, and the construction progress of electric power engineering can be accelerated.

The invention discloses a dynamic low-altitude route planning method and system based on low-altitude meteorological data analysis, and relates to the technical field of route planning, and the method comprises the steps: carrying out the route pre-planning according to the information of a to-be-mapped region; in the flight process, the route is adjusted in real time according to the real-time weather information and the known obstacle area; and after surveying and mapping, re-planning a route to re-shoot the geographic area corresponding to the shooting data which does not meet the standard so as to obtain standard data. When the unmanned aerial vehicle flies according to the preset route, the real-time wind speed and wind direction information are considered to determine the safety boundary of the obstacle area, the route of the unmanned aerial vehicle is adjusted to bypass the obstacle area, and the safety risk of the unmanned aerial vehicle during surveying and mapping is reduced; after surveying and mapping are finished, secondary surveying and mapping are carried out on areas with unqualified data, factors such as real-time meteorological factors, distances of all the areas and the number of times of re-shooting of all the areas are considered during secondary surveying and mapping, and the operation cost and time are reduced while an air route meeting the surveying and mapping requirement is planned.

The pneumatic centralized discharging type spiral fertilizer discharging system is mounted on a sowing and synchronous fertilizing machine, the pneumatic centralized discharging type spiral fertilizer discharging system comprises a spiral conveying pipe, a pneumatic distributor and a gas-fertilizer mixing device, the lower end of the spiral conveying pipe is communicated with a mixing cavity of the gas-fertilizer mixing device, the upper end of the spiral conveying pipe is communicated with a mixing cavity of the pneumatic distributor, and the lower end of the spiral conveying pipe is communicated with a mixing cavity of the pneumatic distributor. The spiral conveying pipe is vertically arranged, and the inner wall of the pipe is designed to be in a thread rotating type protruding mode. The invention further discloses a control method of the pneumatic centralized discharging type spiral fertilizer discharging system, the influence of external factors on the consistency of the fertilizer discharging amount of each row is reduced, the reliability and stability of the fertilizer discharging system are improved, and it is ensured that crops obtain uniform and accurate fertilizer supply.

The embodiment of the invention provides an agricultural multi-robot full-coverage path planning method in a complex area. The method comprises the following steps: decomposing a specified agricultural planting area into a plurality of convex sub-areas through an improved Maklink line decomposition method; determining the minimum width direction of each convex sub-region in the plurality of convex sub-regions through a clamping method; based on the minimum width direction, planning a planting path in each convex sub-region by adopting a reciprocating coverage mode; a Dijkstra method is adopted to plan a connection path between any two convex sub-regions in the plurality of convex sub-regions; based on the planting path in each convex sub-region and the connection path between any two convex sub-regions, constructing a full-coverage path planning model which takes the shortest total connection path of all robots and the balanced workload distribution of all robots as an objective function; and solving the full-coverage path planning model through an improved NSGA-II algorithm to obtain a multi-robot full-coverage path result. According to the method, the sub-regions are reasonably divided, a plurality of optimization targets are balanced, and the operation efficiency is improved.

The invention discloses a tea leaf fixation segmented conveying device and method, and relates to the technical field of tea leaf fixation. A uniform smearing mechanism comprises a rotating rod, a U-shaped plate, a door blocking plate, a rotating shaft, a sector plate, a telescopic rod, an L-shaped rod, a telescopic buckle, a round head column, a U-shaped rod, a push plate, a rotating column, a sliding block and a connecting rod; the U-shaped plate is fixedly installed on the circumferential face of the rotating rod, the door blocking plate is fixedly installed at the bottom of the feeding port, the side, away from the feeding port, of the upper side of the rectangular frame rotationally penetrates through the rotating shaft, and one end of the telescopic rod is fixedly installed on the circumferential face of the rotating shaft. And meanwhile, the influence on the transportation of the tea leaves due to the fact that the tea leaves are scattered and accumulated towards the two sides is avoided.

The invention belongs to the technical field of mechanical cold machining, and particularly relates to a precise boring cutter, a blade adjusting device and a blade adjusting method. The tool setting device comprises a base, a supporting and positioning mechanism and a measuring mechanism, the supporting and positioning mechanism comprises a V-shaped tool handle supporting and positioning structure used for positioning a tool handle or a tool setting standard part and a tool body adjusting structure used for adjusting the extending length of a tool body, the V-shaped tool handle supporting and positioning structure is installed on the base, and the tool body adjusting structure is installed on the tool handle; the measuring mechanism comprises a dial gauge and a dial gauge stand, the dial gauge stand is installed on the base, and the dial gauge stand comprises a movable gauge stand supporting seat and a fixed gauge stand supporting seat which can slide relatively or be locked relatively; and when the tool nose of the tool body is vertically aligned with the 0-degree line of the indexing table, the indexing table measures according to the angle of the cutting edge of the tool body. The extension length of the boring cutter can be corrected, repeated positioning is achieved, re-sharpening of the hard alloy boring cutter and the diamond blade is achieved, the equipment investment is reduced, the cutter cost is reduced, and the working efficiency is improved.

The utility model relates to the technical field of zinc alloy die casting machining, and discloses a zinc alloy die casting machining mold convenient to demold, which comprises a portal frame, two baffles are fixedly connected to the bottom end of the portal frame, a conveying belt is arranged between the two baffles, a rotating shaft is rotatably connected between the two baffles, and a plurality of rotating shafts are arranged between the two baffles. The outer portion of the rotating shaft is fixedly connected with a driving gear, the inner portion of the portal frame is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a fastening ring, the middle of the fastening ring is rotationally connected with a connecting shaft, the bottom of the connecting shaft is fixedly connected with a driven gear, and the driven gear is meshed with the driving gear. According to the automatic demolding device, the connecting rod is pushed to move forwards to push the connecting frame, the mold is pushed to the guide plate through the push block, slides onto the conveying belt and is conveyed to the next working procedure, the effect of automatically taking out the mold after demolding is achieved, the mold does not need to be manually clamped and taken out through a tool, and the working efficiency is improved.

The invention relates to the technical field of wire rod processing, and discloses wire rod assembling equipment and a wire rod assembling process. The wire assembling equipment is used for installing a reinforcing needle in a core wire hole of a wire, the wire assembling equipment comprises a fixing device, a wire reaming device and a wire assembling device, and the fixing device is provided with a first installation station and a second installation station which are used for fixing the wire; the wire chambering device is arranged on one side of the first mounting station and comprises a first driving part and a chambering needle, a conical chambering part is arranged at one end, facing the fixing device, of the chambering needle, and the first driving part drives the chambering needle to move in the first direction so that the chambering part can stretch into the core wire hole; the wire assembling device is arranged on one side of the second installation station and used for pushing the reinforcing needle into the core wire hole in an abutting mode. According to the invention, the core wires do not need to be opened outwards when the reinforcing needles are installed, so that the core wires can be prevented from crossing, and the risk of crushing the core wires in the wire manufacturing process is greatly reduced.

The invention relates to the technical field of HDPE pipeline shipping, in particular to an HDPE pipeline mooring and positioning system and method.The HDPE pipeline mooring and positioning system comprises a barge, a crane ship, a tugboat, a plurality of auxiliary ships and a plurality of positioning anchors, the tugboat is used for dragging an HDPE pipeline, the barge and the crane ship are used for positioning the HDPE pipeline from the two ends of the HDPE pipeline, and the auxiliary ships are used for positioning the HDPE pipeline from the two ends of the HDPE pipeline. The positioning anchors are symmetrically arranged on the two sides of the HDPE pipeline and used for positioning the HDPE pipeline, and the auxiliary ship is used for moving the HDPE pipeline. Compared with a traditional steel pipe pile construction technology, the mooring positioning system provides stable positioning points through the positioning anchors symmetrically arranged on the two sides of the HDPE pipeline, construction steps are simplified through cooperative operation of a tugboat, a barge, a crane ship and an auxiliary ship, particularly, complex steel pipe pile mounting and dismounting do not need to be conducted, the construction time is greatly shortened, and the construction efficiency is improved. And the construction efficiency is obviously improved.

The invention belongs to the technical field of deepwater oil and gas field drilling gas cut monitoring, and particularly relates to a deepwater drilling ultrasonic Doppler gas cut monitoring device and a transducer arrangement method thereof. According to the ultrasonic Doppler gas cut monitoring device, a brand-new ultrasonic Doppler transducer and transducer tool structure is designed, and the sound wave transmissivity between the ultrasonic Doppler transducer and the marine riser is improved, so that the ultrasonic Doppler gas cut monitoring device is more suitable for implementation working conditions of deepwater drilling seabed, more convenient to install and use and higher in monitoring efficiency. The deepwater drilling ultrasonic Doppler gas cut monitoring device comprises a transducer tool and a plurality of ultrasonic Doppler transducers, the transducer tool is composed of two annular straps; wherein the two annular strap bodies are both semicircular and are connected through bolts to form an integrated structure; a plurality of round holes are formed in the annular strap at equal intervals, and positioning pieces are welded in the round holes; a pressing piece is arranged at the positioning piece in a matched mode. The ultrasonic Doppler transducer is composed of a shell, a piezoelectric wafer, a backing layer and an oblique incidence acoustic wedge.

The construction method comprises the following steps that S1, equipment enters a site, and pile positions are marked according to construction requirements; s2, the bottom end of the prefabricated pipe pile is not sealed, after the prefabricated pipe pile is pressed downwards to a designed bearing stratum at the pile position, the topsoil in the hollow part of the prefabricated pipe pile is taken out, and the soil taking depth exceeds the bottom end of the prefabricated pipe pile; or penetrating a force transmission hammer into the hollow part of the prefabricated pipe pile, and pressing the force transmission hammer and the prefabricated pipe pile to the designed bearing stratum; s3, filling materials are put into the hollow part of the prefabricated pipe pile in batches, a force transmission hammer with the length larger than that of the prefabricated pipe pile extends into the hollow part of the prefabricated pipe pile, the force transmission hammer extrudes the filling materials in a downward pressing, spinning or hammering mode, and the filling materials form a compacted expanded head at the bottom of the prefabricated pipe pile; and S4, concrete is poured into the hollow part of the prefabricated pipe pile to form an inner pile. The bottom of the prefabricated pipe pile is not sealed, holes are not guided in advance, the pile descending efficiency can be improved, and the pile end bearing capacity can be ensured after soil is taken in the hollow part of the prefabricated pipe pile.

The invention relates to the technical field of unconventional oil and gas well fracturing tools, in particular to an energy-gathered fracturing tool which comprises an outer cylinder, an energy charging pipe, a gas storage tank, a telescopic sealing assembly and a switching assembly, the energy charging pipe is fixedly installed on the inner side of the upper end of the outer cylinder, and the gas storage tank is sleeved with the position, corresponding to the lower portion of the energy charging pipe, of the outer cylinder; a closed air inlet cavity and a closed air storage cavity are formed in the air storage tank in an up-down spaced mode. According to the energy-gathered fracturing tool, repeated energy charging and fracturing can be achieved, the tool does not need to be lifted to a wellhead for energy charging, energy charging of supercritical carbon dioxide can be completed underground, the operation time is saved, the efficiency is improved, the energy-gathered fracturing tool is provided with the telescopic sealing assembly, the space isolation function is achieved, a packer does not need to be put down, and the cost is reduced. The energy-gathering fracturing tool is ingenious in structure, the gas storage cavity can be expanded through transformation, even if underground energy charging cannot be achieved under the well site condition, multiple times of fracturing can be achieved through one-time energy charging, the lifting frequency is reduced, and the cost is effectively reduced.

The invention relates to the technical field of power distribution, in particular to a power distribution line tension rod electrified opposite-polarity umbrella-shaped shielding cover, which comprises a telescopic assembly, a fixed rod and a sliding rod arranged in the fixed rod, and the sliding rod and the fixed rod are connected with an insulating soft rod through a hinge piece; the insulation assembly comprises insulation blankets which are arranged on the side wall of the insulation soft rod and used for carrying out wrapping insulation on wrapping points, the insulation blankets are symmetrically arranged about the central axis of the fixed rod, the two insulation blankets are connected through a locking fastener, and through the linkage design of the sliding rod and the insulation soft rod, the insulation soft rod is fixed to the fixed rod. Insulation wrapping of a charged area can be rapidly completed in a short time. An operator only needs to push the sliding rod downwards to drive the insulation blanket to be folded, so that the operation time is greatly shortened, the working efficiency is improved, and the exposure time of the operator in an electrified environment is shortened as the insulation blanket can quickly and effectively cover an electrified area.

The utility model provides a double-die book punching device which comprises a machine frame, a linear sliding rail is arranged on the machine frame, an upper punching movable die, an upper punching fixed die, a lower punching fixed die and a lower punching movable die are sequentially arranged along the linear sliding rail, a paper conveying channel is arranged on the punching fixed die, a punching punching needle is arranged on the punching movable die, and the paper conveying channel is communicated with the punching punching needle. The two punching movable dies are driven by a cam transmission mechanism arranged on the machine frame and do reciprocating motion in the opposite directions along the linear sliding rail, and the cam transmission mechanism comprises a transmission shaft, two pairs of eccentric cams and two pairs of punching rocker arms. The punching movable die is provided with a needle drawing cavity and a needle drawing plate at the bottom end of the punching needle, and a spring plunger vertically facing the needle drawing plate is arranged. The double-die book punching device is compact in structure and reasonable in design, punching of inner pages and cover pages of a book can be completed synchronously, the material circulation and distribution procedures are effectively reduced, the cam and the rocker arm are adopted for matched transmission, the working stability is effectively improved, the service life of equipment is effectively prolonged, meanwhile, punching needles do not need to be taken out by disassembling the equipment during needle drawing, and operation is simpler and more convenient.

The invention provides an unmanned aerial vehicle hanging and detaching device for a transformer substation grounding wire. The unmanned aerial vehicle hanging and detaching device comprises a mechanical claw and an unmanned aerial vehicle connecting carrier for connecting the mechanical claw and an unmanned aerial vehicle. The mechanical claw comprises a first clamping arm and a second clamping arm, and a wire hanging groove is formed between the first clamping arm and the second clamping arm; the front outer side and the rear outer side of the top end of the wire hanging groove are each provided with a lock catch, and an opening and closing control unit used for controlling the two lock catches to be opened and closed synchronously is arranged in the mechanical claw. A guide arm is hinged to the bottom end of the first clamping arm, a ground wire connector is fixedly arranged at the bottom end of the second clamping arm, and a carrier hanging connector is fixedly arranged at the top end of the second clamping arm. The mechanical claw, the ground wire connector and the carrier hanging head are located on the same plane, and the ground wire connector and the carrier hanging head are located on the same side of the second clamping arm. The bottom end, connected with the carrier, of the unmanned aerial vehicle is detachably connected with the carrier hanging connector. The mechanical claw with a single guide structure is connected with the grounding wire, so that the grounding wire can be conveniently hung and fixed on a line.

The utility model provides a welding mechanism, and relates to the technical field of automatic welding equipment. The welding mechanism comprises a first track, a welding jig frame, a clamping displacement mechanism and a welding robot, the first track, the welding jig frame and the clamping displacement mechanism are arranged in parallel, the welding jig frame is used for bearing a first workpiece to be welded, and the clamping displacement mechanism is used for being detachably connected with a second workpiece to be welded. The welding robot is installed on the first rail in a sliding mode, and the welding robot is used for sliding along the first rail and rotating towards the welding jig frame to weld a first to-be-welded workpiece or rotating towards the clamping displacement mechanism to weld a second to-be-welded workpiece. According to the automatic welding mechanism, different workpieces to be welded can be welded through the same welding mechanism, the application range of the whole welding production line is effectively expanded, meanwhile, the time of the whole automatic welding operation can be effectively shortened through synchronous operation of welding operation and feeding operation or discharging operation, and the overall efficiency of the automatic welding operation is greatly improved.

The utility model relates to a device for improving band steel packing efficiency, which is matched with a band steel coil and a packing band coil for use and comprises a bearing frame, a storage frame and a bearing frame base, the bearing frame is of an inverted trapezoidal structure, positioning shafts are arranged in the middles of two side walls of the bearing frame, the two positioning shafts are in bolted connection with the storage frame, a pin penetrating frame is arranged on the bearing frame, and a roll shaft is arranged at the bottom of the bearing frame. Before use, the center line of the bearing frame in the length direction and the center line of the strip steel need to be guaranteed to be on the same vertical horizontal line, the problem that operation inconvenience is caused by the fact that a whole roll of packing belt is long and the packing belt roll topples over during operation is solved, meanwhile, the packing belt does not need to be cut in advance, the operation time is shortened, and the production efficiency is improved. The packing belt cutting device is simple in structure, safe, reliable, convenient to operate and maintain in the later period, and capable of effectively overcoming the defect that in the prior art, time and labor are wasted when packing belts are cut.

The invention discloses a high-purity quartz component surface cleaning graphite jig for a semiconductor and a using method, the device comprises a movable working platform, a mechanical arm, a graphite jig, a laser instrument and a dust discharging device, the graphite jig is arranged on the movable working platform, the mechanical arm is arranged on one side of the graphite jig, the laser instrument is arranged at the working end of the mechanical arm, and the dust discharging device is arranged on the mechanical arm. Dust exhaust devices are arranged on the two sides of the laser instrument, each dust exhaust device comprises an exhaust port and an air inlet, and an ultraviolet light source is arranged on the periphery of the upper surface of the graphite jig. According to the treatment method, the cleanliness of the surface of a used component can be guaranteed, no residual film or metal pollution exists, meanwhile, the cleaning efficiency of the component can be improved, and the cleaning operation time is saved; the surface of the high-purity quartz component is treated through laser cleaning, residues on the surface can be effectively removed, the chemical soaking time in a traditional process is shortened, the cleaning loss of the component is reduced, the service life of the component is prolonged, and meanwhile the air leakage risk caused by excessive corrosion of the sealing surface is reduced.

The invention discloses a crawler belt tensity control method of a crawler belt type combined harvester for soil compaction and reduction, belongs to the field of agricultural machinery control, and aims to solve the problem that the existing control on the soil compaction degree lacks self-adaptability and flexibility. The method comprises the following steps that 1, the current soil compaction degree is obtained based on monitoring data of a soil compaction monitoring sensor group; 2, according to the error, obtained in the step 1, between the current soil compaction degree and the target soil compaction degree, the crawler belt tension degree adjustment amount is obtained through a PID control algorithm; and step 3, the actuator adjusts the crawler belt in a stepping mode according to the crawler belt tensity adjustment amount obtained in the step 2 until the crawler belt tensity target value is reached.

The utility model belongs to the field of photovoltaic technology, and discloses an operation platform. The operating platform comprises a bearing assembly, a suspension assembly and a standby assembly, the bearing assembly is used for bearing an operator and comprises two bearing parts and at least two first connecting parts, the two bearing parts are oppositely arranged in a spaced mode to form an avoiding channel, and each first connecting part can be switched between a connection state and a disconnection state; the first connecting piece in the connection state is connected with the two bearing pieces and closes part of the avoiding channels, and the first connecting piece in the disconnection state disconnects the two bearing pieces in the corresponding positions and opens part of the avoiding channels; the first end of the suspension assembly is connected with the bearing part, the second end of the suspension assembly is in sliding fit with the cable steel strand, and the second end and the cable steel strand are detachably arranged; one end of the standby assembly can be connected with the bearing part, and the other end is detachably arranged with the cable steel strand. The operation platform can stride over a middle pile to carry out long-distance continuous operation, and the operation continuity is improved.

The invention relates to the technical field of intelligent manufacturing in the building industry, and provides a full-automatic batch grabbing and binding system which comprises a portal frame, a grabbing device and a binding device. At least two sets of grabbing and binding assemblies drive grabbing mechanical arms to move downwards to grab steel bars and place the steel bars at designated positions by controlling a first lifting device, and longitudinal steel bars and transverse steel bars grabbed by the grabbing and binding assemblies are stacked into a latticed framework. And the second lifting device is controlled to drive the binding mechanical arm to move downwards to the cross position of the latticed framework, and the binding mechanical arm conducts spinning binding on the cross position through the spinning device. According to the full-automatic batch grabbing and binding system, by introducing a parallel working mode of multiple groups of portal frames, the overall operation time of steel bar binding is greatly shortened, the construction efficiency is improved, and the full-automatic batch grabbing and binding system is particularly suitable for meeting the high-strength requirement for steel bar binding in a large building project.

A metal ceramic pipe end face printing device comprises an operation table, a supporting frame is fixedly installed on the table top of the operation table, a lifting frame capable of moving up and down is installed on the supporting frame, an upper translation frame capable of moving left and right is installed on the lifting frame, and a printing scraping plate and an upper cleaning scraping plate capable of moving up and down are installed on the upper translation frame and arranged left and right. A printing screen is fixedly mounted on the lifting frame and below the upper translation frame; a lower translation frame capable of moving left and right is mounted on the support frame and below the printing screen; and a lower cleaning scraper capable of moving up and down is mounted on the lower translation frame. The mechanical degree is high, the labor intensity of workers can be reduced, the operation time can be shortened, the production efficiency can be improved, and the printing quality can be improved; and after the printing operation is finished, the residual ceramic metallization printing paste on the upper surface and the lower surface of the printing net is scraped to one side of the printing net, so that the residual ceramic metallization printing paste is prevented from influencing the next printing of the metal ceramic tube, and the printing quality of the metal ceramic tube is improved.

The invention discloses a tool and method for disassembling and assembling a catalytic flue gas turbine rotor, the tool comprises a rotor moving folding support, a coupling side lifting shaft support, a wheel disc side lifting shaft support and a tool guide rail, the rotor moving folding support is used for bearing the flue gas turbine rotor and realizing horizontal movement; the coupler side lifting shaft support is used for lifting a range hood rotor from one side of a coupler through a lifting shaft, the wheel disc side lifting shaft support is used for lifting the range hood rotor from one side of a wheel disc through a lifting shaft, and the tool guide rail is located on the ground and serves as a ground rail to bear all the supports. According to the tool, the operation difficulty of disassembly and assembly can be reduced, the safety coefficient can be greatly improved, accurate control over movement of the rotor can be achieved, the rotor is stably, safely and reliably disassembled and assembled, the traditional method that a plurality of chain blocks are mainly adopted for disassembly and assembly of the range hood rotor is thoroughly changed, and the disassembly and assembly efficiency is improved. And hidden dangers such as accessory damage and personal injury in the disassembly and assembly process are avoided, and the working efficiency is improved.

The invention relates to the field of port operation, in particular to an automatic wharf storage yard operation method and a storage medium, and improves the wharf operation efficiency and the utilization rate of rail-mounted gantry crane equipment. Comprising the following steps: acquiring all established operation task requirements in a storage yard, including a dispatched operation task and a non-dispatched operation task, and sorting and storing the operation task requirements according to suggested starting time; extracting operation tasks in a specified range; determining an interlaced job task, wherein the interlaced job task is a same-bay job task at the same time and does not keep a safe distance; adjusting the interlaced job task, setting suggested time stages of the job task, namely suggested earliest start time, suggested start time and suggested latest start time, adjusting according to the time stages of the interlaced job task, and determining an adjusted job sequence; box turning operation is confirmed, wherein the box turning operation is determined according to the adjusted operation sequence; and outputting the operation sequence of the extracted operation tasks.

The present invention relates to the field of control technology, and in particular to an operation control method and system for a gantry stacker-reclaimer in an unmanned material field, the method comprising: obtaining the weight of a bucket wheel within a set working time; denoising the obtained weight to obtain denoised weight data, and sorting the denoised weight data in chronological order to construct a weight sequence; calculating the autocorrelation function of the weight sequence to determine the cycle period of bucket wheel weight change; calculating the cycle index of the weight sequence corresponding to the bucket wheel completing the cycle period; repeating the action of the bucket wheel completing the cycle period, and when the cycle index is less than a preset cycle index threshold, controlling the bucket wheel to move to the next position to increase the current feeding speed of the bucket wheel; otherwise, controlling the current feeding speed of the bucket wheel to remain unchanged. The present invention enables the bucket wheel stacker-reclaimer to automatically adjust the operating position and depth to adapt to changes in material distribution and operating conditions, thereby improving operating efficiency.

The invention relates to the technical field of steel structures, in particular to a steel structure bolt connection robot and a construction method. Comprising an advancing module, a bolt connecting module, a bolt storing and feeding module and a power supply module. The advancing module comprises a walking power system used for walking on an upper flange plate of a steel beam. The bolt storing and feeding module is connected with the advancing module, moves along with the advancing module and is used for storing bolts; the bolt connecting module comprises a robot body and a multi-degree-of-freedom robot arm, and the robot body is connected with the advancing module and moves along with the advancing module; the multi-degree-of-freedom robot arm is used for grabbing the bolts stored by the bolt storing and feeding module and fastening the bolts to the target position of the steel beam. The device can be used for high-strength bolt connection between a main beam and a secondary beam of a frame structure and high-strength bolt connection between a bracket and a beam; hoisting is not needed, the operation time of hoisting equipment is shortened, and efficiency is improved.

The invention provides an unmanned logistics vehicle with a gull-wing-door carriage, and belongs to the technical field of logistics vehicles, the unmanned logistics vehicle comprises a chassis assembly, the chassis assembly comprises an aluminum alloy frame assembly, wheel-by-wire steering systems are arranged at the two ends of the aluminum alloy frame assembly, wheel assemblies are connected to the two sides of each wheel-by-wire steering system through four-wheel distributed driving systems, and the wheel assemblies are connected to the gull-wing-door carriage. The vehicle can be operated through four-wheel steering, flexible steering can be achieved with the extremely small turning radius, and the traffic capacity under a narrow channel is improved; a carriage assembly is arranged at the top of the aluminum alloy frame assembly and comprises a carriage main body structure, the carriage main body structure is arranged at the top of the aluminum alloy frame assembly, a gull-wing door assembly is arranged at the top of the carriage main body structure and comprises four groups of gull-wing door assemblies capable of being opened and closed, and a carriage top is connected to the top of the carriage main body structure. Two groups of gull-wing door assemblies are rotatably arranged on two sides of the carriage top, so that a spacious space is created for loading and unloading goods, and the goods are convenient to load and unload.

The invention discloses a dynamic storage location allocation and task scheduling integrated optimization method for batch warehouse-in and warehouse-out of a tobacco shred elevated warehouse. The method comprises the following steps: S1, carrying out coding design; s2, determining a warehouse-in and warehouse-out location optimization strategy; s3, distribution and scheduling of warehouse-in and warehouse-out storage locations; and S4, setting a penalty function. According to the method, the tobacco shred elevated warehouse is used as an important cache storage space in a production intermediate link, the same warehouse location is repeatedly used in the batch task completion process, the warehouse location utilization rate can be increased, and the situation that empty warehouse locations are not enough is reduced. The number of goods allocations of the high-rack warehouse is large, under the background of batch operation, the moving distance of the stacking machine can be reduced through the reasonable warehouse-in and warehouse-out operation sequence, and therefore the efficiency of the stacking machine is improved, and the operation time is shortened.

The utility model relates to the technical field of throwing barrels, and discloses a material throwing barrel for a silage maize harvester, which comprises a throwing barrel body, one side of the throwing barrel body is provided with a discharge port, one side of the throwing barrel body close to the discharge port is symmetrically and rotatably connected with rotating shafts in a penetrating manner, and the outer surfaces of the rotating shafts are fixedly connected with guide plates. In the process that the throwing cylinder body throws forage, the guiding plate can be driven to swing left and right in a reciprocating mode, the forage is evenly thrown to all positions above the forage storage vehicle, and therefore the throwing range of the throwing cylinder body is enlarged, the requirement for manually adjusting the throwing direction and position by workers is reduced, the labor intensity of operators is reduced, and the throwing efficiency is improved. According to the hay storage vehicle, the working comfort and safety are improved, the hay can be more evenly distributed at all positions above the hay storage vehicle, the hay is prevented from being accumulated in a certain area in a concentrated mode, and therefore the throwing efficiency is improved.

The invention relates to the technical field of grinding machine tools, and discloses a three-eccentric center butterfly valve grinding machining device and method.The three-eccentric center butterfly valve grinding machining device comprises a base and a mounting frame above the base, and a rotary table is mounted on the base; the grinding assembly is used for grinding operation; the clamping assembly is used for clamping a workpiece; the collecting assembly is used for collecting sweeps; the clamping assembly comprises a rotating base, the top face of the rotating base is slidably connected with a sliding base, and a lifting base is hinged to the top face of the sliding base. Through cooperation of the grinding assembly and the clamping assembly, a worker can switch the two grinding modes of horizontal rotating grinding and inclined rotating grinding of the valve body through the hydraulic cylinder so as to meet the grinding requirements of different parts of the valve body, the equipment cost input is reduced, and the working efficiency is improved; through cooperation of the four claw blocks, the four crank arms and the rotating ring, the four claw blocks can synchronously move outwards or inwards, operation is convenient and fast, and meanwhile the effect of centering and positioning the valve body can be achieved.