47results about How to "Guaranteed loading capacity" patented technology

The invention relates to a hydraulic peristaltic pipeline robot traction device, which can provide powerful traction force for robots in pipeline operation such as an oil-gas pipeline, a sewage pipeline and the like. The hydraulic peristaltic pipeline robot traction device mainly consists of an extension cabin, a propelling cabin and a propelling oil cylinder, wherein the extension cabin mainly consists of an extension cabin body, an extension cabin front cover, extension cabin supporting legs, extension cabin brackets, extension cabin supporting rods, an extension cabin supporting leg oil cylinder, a synchronous plate, a synchronous plate slide shaft and an extension cabin rear cover; the propelling cabin mainly consists of a propelling cabin body, a propelling cabin front cover, propelling cabin supporting legs, propelling cabin brackets, propelling cabin supporting rods, a propelling cabin supporting leg oil cylinder, a synchronous plate, a synchronous plate slide shaft and a propelling cabin rear cover. The hydraulic power is adopted as a power source, sufficient traction power can be provided for a pipeline operation robot, and the successful traveling of the pipeline robot in the pipeline can be guaranteed. The hydraulic peristaltic pipeline robot traction device has advantages of simplicity in structure, high carrying capacity, high reliability, high environmental adaptability and the like.

The invention discloses a two degrees of freedom (DOFs) translation motion parallel mechanism. A fixed platform of the parallel robot mechanism is connected with a motion platform which achieves the two DOFs translation motion through two motion branched chains so as to form a closed structure; each motion branched chain comprises a motion sliding block and three sub-constrained branched chains which are connected with the motion sliding block and the motion platform; each sub-constrained branched chain respectively consists of a hook hinge, a connecting rod and a hook hinge which are connected with each other in series; furthermore, each sub-constrained branched chain is connected in parallel between the motion sliding block and the motion platform and is then connected in series with the motion sliding block so as to form the motion branched chain. The two DOFs translation motion parallel mechanism of the invention is realized by adopting the motion constrains of the hook hinge so as to form a space constrain, leads the connecting rod not to be subject to the bending moment, improves the forcing condition of the mechanism and improves the rigidity of the mechanism.

The present invention discloses a load carried ice melting proposal applicable to splitting the transmission lines of a lead. The present invention adopts three-splitting lead in ice-coated tension resistance section to insulate three sub-leads of the three-splitting lead by a spacing rod so that three independent current circuits are formed. When the three-splitting lead is coated with ice, the three sub-leads are changed from parallel operation into serial operation by an isolating switch and a current guide plate which is arranged on a tension resistance tower wire jumper on two ends of ice-coated tension resistance section so that current on three sub-leads is increased to load current of three times, thereby realizing load carried ice melting for the transmission lines. The circuit principle is also applied to five-splitting lead in ice-coated tension resistance section. The current of the sub-leads is increased to load current of five times by changing the parallel operation into serial operation of the sub-leads to realize load carried ice melting. When the ice-coated tension resistance section adopts six-splitting lead, the six-splitting lead is divided into two three-splitting lead current circuits to realize load carried ice melting.

The invention discloses a single-body semiplaning wave-piercing ship and belongs to the field of small speed boats. The single-body semiplaning wave-piercing ship comprises an improved mixing type inward-tilting wave-piercing bow, a semiplaning underwater main ship body, an inward-tilting wave-pressing freeboard and a totally-enclosed upper building, wherein the improved mixing type inward-tilting wave-piercing bow comprises a bow column, a totally-enclosed bow deck and a tow freeboard, the tow freeboard comprises an inward-tilting part and an outward-tilting part, the inward-tilting part and the outward-tilting part are connected to form a freeboard knuckle line, and the included angle gamma between the projection, on the longitudinal section in center plane, of the freeboard knuckle line and the waterline ranges from 1 degree to 3 degrees. According to the single-body semiplaning wave-piercing ship, the wave-piercing capacity, the hiding capacity, the rapidness, the wave making capacity, the stability and the loading capacity of the ship body are improved; compared with the prior art, flooding and wetting of the freeboard are further controlled, lifting force is provided by the freeboard to lift the ship body, and resistance is reduced.

The invention discloses a method for mixedly burning brown coal by using drying margin of a mid-speed grinding mill. By mixedly burning the brown coal, the exit temperature of the mid-speed grinding mill is reduced to 60-65 DEG C; and by closing a cold air door of the mid-speed grinding mill and fully opening a hot air door of the mid-speed grinding mill, the inlet temperature of the mid-speed grinding mill is improved to the maximum value of the mid-speed grinding mill, so the drying output of the mid-speed grinding mill can be fully utilized, and a consequence that the mid-speed grinding mill explodes in the process of mixedly burning the brown coal is avoided; meanwhile, on the premise of ensuring the safe running state of the mid-speed grinding mill, the brown coal is mixedly burnt in the maximum proportion, so the brown coal is fully utilized, and the safety of the mid-speed grinding mill, the load-bearing capacity of a generator set and the economy of the generator set are not reduced.

The invention relates to an antistatic air bag material for a stratospheric airship and a preparation method thereof. The air bag material is prepared by arranging an antistatic layer at one side of a supporting layer and successively arranging a bonding layer, a gas blocking layer and an antistatic layer at the other side of the supporting layer, wherein the antistatic layer arranged on the surface of the supporting layer is a film containing a polythiophene-based conductive polymer and having a thickness of 0.4 to 2.3 [mu]m, the gas blocking layer is a polymer film, and the antistatic layer arranged on the surface of the gas blocking layer is a film containing a polythiophene-based conductive polymer and having a thickness of 0.05 to 0.8 [mu]m. According to the invention, the air bag material has substantially improved antistatic performance without influence on surface density and physical and mechanical properties of the air bag material; the antistatic performance of the material in the processes of assembly and usage is improved; static damage in the processes of assembly and usage of the air bag material is effectively avoided; and safety of the stratospheric airship in the process of usage is guaranteed.

The invention belongs to the field of wave energy power generation, and particularly relates to a wall-mounted heaving floater type wave energy power generation device. The wall-mounted heaving floater type wave energy power generation device mainly comprises an energy capturing mechanism, a supporting structure, a power output system and the like; the energy capturing mechanism is composed of a floater, sliding mechanisms and connecting parts, is a moving part of the device and is used for capturing wave energy; the supporting structure is of a frame structure, is composed of a supporting beam, a guiding mechanism and damping springs and is used for supporting main parts of the device and limiting and guiding movement of the energy capturing mechanism; and the power output system is composed of a work doing mechanism and an energy converting mechanism and used for converting the wave energy captured by the floater into pressure energy for energy storage, driving a power generator to generate power under the set condition and converting the wave energy into electric energy. The device can be installed on the heading wall face of a floating type platform, a breakwater and a coast, the energy conversion efficiency is high, the starting performance is good, the environmental adaptability is high, the structure is simple, construction and marine installation and maintenance are convenient, and the production and construction cost is low.

The invention discloses a non-stick coating layer, which is prepared from the following raw materials in parts by weight: 40 to 50 parts of epoxy acrylate, 25 to 32 parts of polyacrylic acid fluorine-containing ester, 25 to 32 parts of poly (vinylidene fluoride-trifluoroethylene), 10 to 15 parts of polytetrafluoroethylene powder, 2.5 to 4 parts of a suspension dispersing agent, 1 to 1.4 parts of aleveling agent and 1.5 to 2 parts of a curing agent. The non-stick coating layer has excellent lubricating performance and excellent non-stick performance, can completely meet the use requirements ofvarious processing molds (such as various plastic demolding, baking molds and papermaking and textile industries), contains no demolding agent (the production efficiency can be improved), and has excellent durability; in addition, no silicone oil is contained, and the product is prevented from being polluted; the adhesive force with a base material is large, the loading capacity is large, the impact resistance is good, the flexibility is good, the comprehensive performance is good, and the service life is long.

The invention discloses a flux-weakening control method for optimizing d-axis flux-weakening current of a permanent magnet motor, and the flux-weakening control method for optimizing the d-axis flux-weakening current is designed based on a load torque observer and a PI controller with dynamically changed parameters by adjusting the d-axis current required by flux weakening through the observed load torque and a PI regulator together. The flux-weakening control method for optimizing the d-axis flux-weakening current is based on the relation between the torque and the needed d-axis flux-weakening current, and the load torque and the d-axis flux-weakening current needed by flux-weakening acceleration are jointly obtained through a load torque estimation and ki parameter dynamic change PI controller; according to the flux-weakening control method for optimizing the d-axis field weakening current, the d-axis field weakening current can be dynamically changed according to the change of the load torque, and the field weakening control effect is slightly influenced by the torque fluctuation; and the PI controller with the ki parameter dynamically changing can adapt to the wide speed regulation range of field weakening control, and it is ensured that the appropriate d-axis field weakening current needed by inertia torque can be provided at all rotating speeds.

The invention provides a resource recovery treatment method for petrochemical oily sludge. Considering the difference of viscosity, oil content, water content and other indexes between three-sludge and storage and transportation tank cleaning oily sludge, the resource recovery treatment method abandons the traditional treatment process, transports the three-sludge and the storage and transportation tank cleaning oily sludge to a homogenizing tank for stirring and mixing. On the one hand, the storage and transportation tank cleaning oily sludge with oil content and viscosity much higher than that of the three sludge and oil separation tank bottom sludge and flotation scum in different proportions are mixed together for homogenizing to complete recycling treatment of different types of oil sludge at the same time through one set of recycling treatment device. On the other hand, through carrying out homogenization and coking treatment on the oily sludge before and after mixing of the oilysludge simultaneously, the mixed oily sludge meets the treatment load and efficiency of a subsequent coking device in terms of viscosity, oil content, water content and main component properties, andthe effect and the cost of recycling of the petrochemical oily sludge can be fundamentally solved.

The invention discloses a method capable of effectively preventing large hierarchical aircraft tire cord fabric backward-packed ends from being disengaged. Backward-packed cord fabric layers and forward-packed cord fabric cord fabric layers are included. The method is characterized in that ends at two sides of the backward-packed cord fabric layers are respectively provided with more than 6 cord fabric end sealing adhesive sheets of 0.5mm thickness and 35-50mm width; and forward-packed cord drum ends are positioned at the bead base, and sealing adhesive sheets are not plastered. The invention has advantages as follows: cord fabric end sealing adhesive sheets can make each cord fabric back-packed ends to be separated from carcass cord threads at corresponding positions; generation of heat by friction between carcass cord fabric ends and carcass cord threads under stress state of a tire is prevented; partial friction stress and energy are absorbed; and cord threads and cord thread ends are effectively prevented from being damaged. Meanwhile, by the binding effect of the sealing adhesive sheets, each cord fabric back-packed ends can be firmly adhered to a carcass. It is ensured that relative motion and displacement are avoided and the ends are not easy to disengage at high temperature. The cord fabric layers are effectively prevented from delaminating and swelling, and carcass strength and loading capacity of a tire are guaranteed.

The invention discloses an adjustable cable-stayed support of a concrete mixing carrier frame. The adjustable cable-stayed support comprises a cable-stayed support upper segment, a cable-stayed support middle segment and a cable-stayed support lower segment, wherein one end of the cable-stayed support upper segment is fixedly connected with a side plate of a rear supporting base of the frame, and the other end of the cable-stayed support upper segment is connected to one end of the cable-stayed support middle segment through a bolt; the other end of the cable-stayed support middle segment is connected with one end of the cable-stayed support lower segment through a bolt, and the other end of the cable-stayed support lower segment is fixedly connected to a fixing plate of an auxiliary beam of the frame with the position adjustable. The adjustable cable-stayed support is suitable for high-capacity concrete mixing carriers with different sizes, strength is guaranteed, the problem that the cable-stayed support cannot be installed because of the manufacturing and machining error of the cable-stayed support can be solved, and the adjustable cable-stayed support is easy to manufacture, low in cost, flexible to use and high in practicality.

The present invention discloses a control algorithm for effectively improving V / F output current fluctuation, and the control algorithm is mainly used in an induction motor. Through collecting motor three-phase current, the three-phase current is converted to a stator synchronous rotation coordination axis by using park conversion, and active current is obtained. The active current is subjected to high-pass filtering and then is multiplied by a gain value to be subjected to amplitude limiting processing, compensation voltage is obtained, and the compensation voltage and V / F curve voltage are added to obtain a final voltage command. According to the control algorithm, the V / F output current fluctuation can be significantly reduced, the motor operation stability and torque stability are ensured, the load capacity of an inverter is ensured, and the damage of a power device is avoided.

A co-rotating rotor mechanism provided with co-shaft double propellers comprises an upper propeller, a lower propeller, a rotor shaft and a rotating component, wherein the upper propeller and the lower propeller are fixed at the upper end and the lower end of the rotor shaft respectively; the rotor shaft is fixedly sleeved with the rotating component which is located between the upper propeller and the lower propeller; the upper propeller is a variable-pitch propeller, and pitch variation of the upper propeller is controlled by a pitch varying assembly. The invention further provides an aircraft. The aircraft has the advantages that the structure is simplified, own weight is reduced, lift and loading capacity are improved, and agility and stability are improved.

The invention discloses a bionic bearing robot device. The device comprises a carrying table, a rack, three-degree-of-freedom single legs and a control system, wherein the carrying table is arranged at the top end of the rack and is connected with the rack through a hole groove structure in a matched manner; four three-degree-of-freedom single legs are arranged on each of the two sides of the rack, and are arranged in a two-to-two symmetry mode; and the control system involves a pressure sensor, a main control board and a power supply, the pressure sensor is arranged at the joint of the carrying table and the rack, a support is arranged at the central position of the rack, the main control board and the power supply are arranged on the support, and both the power supply and the pressure sensor are electrically connected with the main control board. The bionic bearing robot device is reasonable in structural design and can better adapt to various terrains to better complete carrying tasks, and the gait pattern can be selected autonomously, so that not only is the obstacle crossing capability guaranteed, but also the better carrying capacity and the speed characteristic are achieved.

The invention provides a resource recovery treatment device for oily sludge. Considering the difference of viscosity, oil content, water content and other indexes between three-sludge and storage andtransportation tank cleaning oily sludge, the resource recovery treatment device breaks away from the thinking set of the traditional treatment technology, classifies and transports bottom sludge of an oil separation tank, floating scum and the storage and transportation tank cleaning oily sludge to a circulation homogenizing device according to a certain mass ratio for circulation homogenizing treatment. When the physical properties of the mixed oily sludge meet certain conditions, the mixed oily sludge is conveyed into a circulating dehydration device through a PLC control device for circulating dehydration treatment until the water content of the mixed oily sludge meets the treatment load of a subsequent coking device, and finally enters a delayed coking device; oil in the mixed oily sludge is condensed and cracked by utilizing the huge heat capacity of coke in the delayed coking device in a large steam blowing stage; and the converted light oil and a hydrocarbon-containing gas arerecycled, so that the resource harmless treatment of the mixed oil sludge is completed.

The invention relates to an assault rescue boat comprising a boat body (1). The boat body (1) comprises ship side plates (2), a ship bottom plate (3) and a stern transom plate (4); and a pattern innerbottom plate (12) is arranged at the bottom in the boat body (1). The assault rescue boat is characterized in that a pair of one-way drain valves (13) is arranged at the position, close to the upperportion of the pattern inner bottom plate (12), of the stern transom plate (4); a pair of one-way drain valves (13) is also arranged at the position, close to the upper portion of the ship bottom plate (3), of the stern transom plate (4); the boat body (1) is internally provided with an anti-sinking layer (17), and the anti-sinking layer (17) is formed by being filled with foaming materials. The assault rescue boat has the advantages that automatic drain, buckling and non-sinking are achieved, the loading ability and normal traveling of the assault rescue boat are ensured, and the economic loss and casualties caused by ship sinking are avoided.

The invention discloses a circular knitting machine for knitting fabric spinning, and relates to the technical field of spinning equipment. The circular knitting machine comprises a rack used for supporting and fixing a tension control assembly, a tension regulation and control assembly, a winding assembly, a smoothing assembly, a moving assembly and a linkage assembly; a tension assembly is located above the rack, the tension assembly is arranged above the rack through the supporting effect of the tension regulation and control assembly, and the tension regulation and control assembly is connected to the surface of the rack in a clamped mode; and the winding assembly is arranged on the side of the tension control assembly. According to the scheme, through mutual cooperation of the designed structures such as the tension control assembly, the tension regulation and control assembly, the winding assembly, the smoothing assembly, the moving assembly, the linkage assembly and the like, the flexibility is high, the device can adapt to winding actions of different knitted fabrics, automatic regulation and control can be achieved according to tension changes of the knitted fabrics in the conveying process, the stability of the subsequent winding assembly in the winding process is effectively guaranteed, and a certain smoothing effect can be provided for the knitted fabric wound on a winding roller.

The invention discloses a machine-made sand automatic loading system. The system comprises two bases arranged in parallel, a movable base is installed on the bases in a guiding manner, fixed supporting bases are installed at the two ends of the movable base correspondingly, a first lead screw is installed between the fixed supporting bases, and two first sliding blocks arranged in a spaced mannerare installed on the first lead screw. A second lead screw correspondingly cooperating with the first lead screw is installed below a fixed beam above the movable base, two second sliding blocks arranged in a spaced manner are installed on the second lead screw, the second sliding blocks and the corresponding first sliding blocks are connected and fixed through lifting frames, a circulating conveying belt is erected on a support, a material uniformizing hopper is erected at the feeding end of the circulating conveying belt, an obliquely-arranged feeding elevator is erected on one side of the material uniformizing hopper, the bottom end of the feeding elevator is a feeding end, and the feeding end is located in a storage hopper. The machine-made sand automatic loading system is high in automation strength, the operation process of material taking and placing of an excavator bucket truck is reduced, automatic material spreading is achieved, no material is scattered, the field environmentis guaranteed, sand and stone waste is reduced, and the use requirement is met.

The invention discloses a quick transfer device special for perishable garbage. The quick transfer device comprises a transfer carriage with a throwing port at the top, and is characterized in that two groups of material-distributing iron-attracting mechanisms are symmetrically mounted below the throwing port in the transfer carriage, an iron falling port is formed between the two groups of material-distributing iron-attracting mechanisms, each material-distributing iron-attracting mechanism comprises a belt conveyor and a plurality of magnets, each belt conveyor is fixedly installed in the transfer carriage, the magnets are fixedly installed in each belt conveyor, and magnetic poles of the magnets face an upper side belt of each belt conveyor. Compared with the prior art, through the cooperation among the components, iron can be separated out when the perishable garbage is transferred, so that subsequent treatment equipment is prevented from being damaged by the iron in the perishable garbage, the treatment efficiency of the perishable garbage is improved, and the treatment cost of the perishable garbage is reduced.

The invention provides a load-carrying base for water turbine installation, belongs to the technical field of water turbines, and solves the technical problem that the installation height of an existing load-carrying base cannot be adjusted in order to guarantee the load-carrying performance. The loading base for water turbine installation comprises a supporting base and an installation base, lifting mechanisms are arranged at the four corners of the upper side of the supporting base and comprise supporting columns and telescopic columns, the lower ends of the supporting columns are fixedly connected with the supporting base, the telescopic columns are in sliding connection with the supporting columns, the upper ends of the telescopic columns are fixedly connected with the installation base, and lifting blocks are fixed to the upper portions of the telescopic columns. A plurality of first telescopic assemblies are evenly distributed on the inner side of the supporting seat, each first telescopic assembly comprises a supporting rod and a telescopic rod, the lower end of each supporting rod is fixedly connected with the supporting seat, a sliding cavity is formed in each supporting rod, the lower end of each telescopic rod extends into the corresponding sliding cavity and is slidably connected with the corresponding sliding cavity, and the upper end of each telescopic rod is fixedly connected with the mounting seat. The base has the advantage that the loading performance of the base is ensured while the mounting height is adjusted.

A monolithic semi-planing wave piercing ship in the field of small speedboats, including: an improved hybrid inward-inclining wave-piercing bow, a semi-planing main hull below the waterline, an inward-inclining wave-suppressing freeboard and a fully enclosed superstructure; the improved Type hybrid inclination wave piercing bow includes: stem, fully enclosed bow deck and bow freeboard, bow freeboard includes: inclination part and outward inclination part, wherein: inward inclination part and outward inclination part meet to form freeboard knuckle line, The angle γ between the projection of the freeboard knuckle line on the mid-longitudinal section and the waterline is to be 1°~3°. The invention improves the wave penetration, stealth, rapidity, wave making, stability and loading capacity of the hull, further controls the wetness of the freeboard compared with the prior art, and uses the freeboard to provide lift to lift the hull, reducing resistance.

The invention discloses an intelligent robot with an optimized structure, and belongs to intelligent robots. The intelligent robot with the optimized structure comprises a machine body, the top of themachine body is fixedly connected with a first box body, the top of the first box body is provided with a first gear, the bottom of the first gear is fixedly connected with a first rotating shaft, the surface of the first rotating shaft is sleeved with a first bearing, and the first bearing is clamped to the top of the first box body. According to the intelligent robot with the optimized structure, a first extension adjusting device, a first steering adjusting device, a second extension adjusting device, a second steering adjusting device, a hydraulic cylinder, a first pin shaft, a switchingdevice and a lifting base are designed and used cooperatively and mutually, lawns can be trimmed, meanwhile flower corridors and ornamental trees can be trimmed, the working range is wider, thus the use cost of the equipment can be reduced to a certain extent, and meanwhile, different forms can be trimmed on the lawns or other green plants according to use requirements.

The invention discloses a novel adjustable centrifugal pump and a debugging method thereof, and belongs to the technical field of centrifugal pumps. The novel adjustable centrifugal pump comprises a centrifugal pump main body, and a driving type connecting shaft is arranged in the centrifugal pump main body and is fixedly connected with one end close to an output shaft of driving equipment through a coupler. According to the novel adjustable centrifugal pump and the debugging method thereof, under mutual cooperation of a designed blade assembling groove, a rotary connecting ring, a T-shaped connecting hole, a locking bolt, a hydraulic pressure gauge, a abutting seat, a spherical body, a bucket-shaped body and the like, on one hand, blades, especially corners and corners, are convenient to clean, cleanable performance of the blades is effectively ensured, on the other hand, the blades are convenient to replace, when one or a small number of blades are damaged, replacement cost of the novel adjustable centrifugal pump can be reduced through replaceable effect of the blades, due to the fact that specific heat capacity of liquid is large, heat dissipation effect of a heat dissipation fan on the driving equipment can be further enhanced, and on the basis that good heat dissipation is guaranteed, dust carried in air can be prevented from entering the driving equipment.

The invention provides an energy storage device management circuit for new energy power generation and a control method thereof, the control method comprises a charging control method and a discharging control method, and the discharging control method selects a super capacitors in a super capacitor group according to an expected output voltage value to form a series branch output voltage; when the difference between the expected output voltage value and the actual output voltage value of the super capacitor bank is larger than the average voltage value of the super capacitors and the number of the super capacitors of the series branch is smaller than the upper limit number b, one super capacitor output voltage is added to the series branch; and when the number of the super capacitors of the series branch reaches the upper limit number b, the super capacitor bank stops outputting the voltage. The output voltage value of the super capacitor bank can be adjusted, the output voltage of the super capacitor bank is effectively prevented from decreasing on the premise that the load capacity of the super capacitor bank is guaranteed, the load can consume electric energy stored in the super capacitor bank as much as possible, and then the output capacity and efficiency of the super capacitor bank are improved.

The invention belongs to the optical field and especially relates to an active focusing interference imaging spectrometer. The spectrometer comprises a preposition telescopic assembly, a collimating mirror assembly, an interferometer assembly, a Fourier mirror assembly and a focal plane assembly. The preposition telescopic assembly is provided with a temperature control system. The temperature control system comprises a heating sheet arranged on an outer surface of a main lens cone of the preposition telescopic assembly and a thermistor. The heating sheet is connected to a power supply. The thermistor is connected to a temperature controller. Under the condition of guaranteeing interference imaging spectrometer loading performance, a moving component is not increased and system reliability improved. Control precision is high and a requirement of a high-resolution interference imaging spectrometer is satisfied. System mass is effectively mitigated and structural mechanics stability is good.