83results about How to "Realize parallel operation" patented technology

The present invention provides a linear and curvilinear motor system capable of gilding smoothly on a rail formed by a linear rail and an arc rail, and performing precise location. Specifically, a linear and curvilinear motor system includes: linear and curvilinear guiding devices movably guiding and respectively supporting right and left of a slider, each having a guide rail configured by linear tracks and a circular arc track and slider blocks; a motor unit having a stator with a stator linear section which is a permanent magnet (111a) and a stator circular arc section which is a permanent magnet (111b) and a mover, wherein the mover and the stator disposed at the slider and away at an interval and provided with a coil (11) with the linear section; and an encoder head (30) and a Hall sensor (31) detecting positions of the linear tracks and the circular arc track. When a magnetic pole pitch of the linear section of the stator is a distance [lambda]m and a magnetic pole pitch of the circular arc section of the stator is an angle [gamma]m, a radius r of the circular arc track at the position detection point is defined as r=[lambda]m/[gamma]m.

The invention relates to a dam-type filling hydraulic bracket in a mined-out region. The dam-type filling hydraulic bracket comprise a top beam, a tail beam, a bracket pedestal, a hydraulic support upright post and a four-connecting rod mechanism, wherein the rear end of the bracket pedestal is provided with a baffle plate pedestal; the baffle plate pedestal is provided with a traction jack of which the front end is hinged with the bracket pedestal together; the rear end of the baffle plate pedestal is hinged with a baffle plate in which a telescopic insertion plate is arranged; the back of the front end of the telescopic insertion plate is fixed with an insertion plate jack of which a pedestal is hinged on the baffle plate pedestal; the back of the baffle plate is hinged with a baffle plate jack of which a pedestal is hinged on the baffle plate pedestal; the baffle plate jack can erect the baffle plate; flexible waterproof cloth extending into a soleplate and two lanes of a working face is attached to the inner sides of the baffle plate and the telescopic insertion plate and is paved from top to bottom; the baffle plate jack can control the baffle plate to rotate back and forth and can keep the baffle plate still when the bracket is removed to ensure that a filler has enough time to be solidified and molded; and after a filling body is solidified, the baffle plate is pulled again to realize the parallel operation of mining and filling. The dam-type filling hydraulic bracket has the advantages of simple structure, high working efficiency, and capability of realizing the parallel operation of filling and mining.

A dual-frequency shore power source synchronous grid-connection and smooth power transfer method is disclosed. The method comprises the steps of performing synchronous grid-connection control and power transfer control through a controller; collecting three-phase voltage UAmp in shore power source side, voltage ULoad of a load circuit and voltage UGen in diesel generator output side; through analyzing and calculating, enabling the shore power source to be inverted into voltage that is accordant with the voltage in the shipboard side by adopting a VF mode; then adopting a droop control mode, performing secondary frequency modulation and voltage regulation control to regulate the voltage amplitude phase angle for realizing rapid synchronous grid-connection so as to realize parallel operation of the shore power source and the diesel generator; and realizing smooth power transfer of the shore power source and the diesel generator through the secondary frequency modulation and voltage regulation control. According to the dual-frequency shore power source synchronous grid-connection and smooth power transfer method, the smooth switch and power transfer of the shore power source and the diesel generator are realized; the load on the ship is powered in an uninterrupted manner in the switching process; and the control policy is high in applicability.

The invention discloses a fast installation method of ten-million-ton scale fully mechanized caving face equipment and belongs to sinking and driving engineering of mines. The method is innovatively characterized in that open-off cuts on a working surface are widen to improve the transportation mode and installation method of a hydraulic support and the supporting mode of the open-off cuts. By virtue of the improvements, the installation time of the ten-million-ton scale fully mechanized caving face equipment is realized, the construction period is shortened and the installation progress of the working surface is accelerated.

The invention relates to the field of coal mine tunnel tunneling, and provides a tunneling, protecting and anchoring parallel work system and a construction technology. The system consists of a tunneling machine, an onboard assorted supporting and anchoring machine, a combined slide way, an air funnel and a second carrier, so that the parallel work of working procedures such as tunneling, temporary supporting, permanent supporting, ventilating, carrying and the like when the tunnel is tunneled can be realized, the construction efficiency of a coal mine tunnel tunneling working face can be comprehensively improved, and the problems such as the unmatched speed of 'tunneling, protecting and anchoring' and the like in the prior art can be solved. The work system and the construction technology provided by the invention are mainly used for tunneling the tunnel, a high-efficiency construction technology is provided, a construction tool is reasonably configured with the constriction working procedures, and the tunnel forming speed is improved on the premise that the construction quality is guaranteed.

The invention discloses a transferring and anchor rod anchor cable supporting system. The transferring and anchor rod anchor cable supporting system comprises a supporting head vehicle, a supporting back vehicle, a transferring belt and a power and control device. The supporting head vehicle and the supporting back vehicle are flexibly connected. The back end of the supporting head vehicle is connected with the front end of the transferring belt. The supporting back vehicle bestrides the transferring belt. The power and control device is arranged on the supporting back vehicle to provide power for the supporting head vehicle and the supporting back vehicle and control the action of the supporting head vehicle and the action of the supporting back vehicle. The transferring and anchor rod anchor cable supporting system is used in cooperation with speedy heading equipment, mechanized construction of a roadway full fracture surface support can be completed at a time, full-automatic operation of an anchor rod support is achieved, the labor intensity of workers is greatly reduced, the anchor rod supporting efficiency is improved, and the problem of mining maladjustment is solved fundamentally.

The invention relates to a rapid rectangular full-face tunnel boring machine for mining. The rapid rectangular full-face tunnel boring machine comprises a rectangular tunnel boring machine head, a support propelling mechanism, a horizontal supporting mechanism, a main guide beam, a scraper conveyer, a saddle turning mechanism, an anchor rod advance supporting unit, an electrical control system, a hydraulic pressure system, a measurement guiding system, a ventilating system, a cooling system, a dedusting system and the like; the rapid rectangular full-face tunnel boring machine for mining is in a structure that a large cutter head is matched with four small combined cutter heads, so as to achieve the purpose of achieving rectangular full-face excavated section; the rapid rectangular full-face tunnel boring machine is in a split structure wholly and can achieve parallel operations of tunneling and anchor rod supporting, therefore, the anchor rod is not a restraining factor influencing the tunneling operation; the rectangular tunnel boring machine head and a support platform are separated into two sections, and a main beam and a saddle are adopted for turning, so that the possibility of small turning radius can be achieved; the support platform vibrates slightly before tunneling operation, therefore, the stability of the whole rapid rectangular full-face tunnel boring machine system is improved favorably; and the specific pressure of a roof and a floor is low and the anchor rod advance temporary support is adopted, so that a situation that the roof and the floor are difficult to tunnel can be solved.

The invention discloses a steel reinforcement cage overall precast scaffold for a wide pier body of a cross-sea bridge, and belongs to the field of under bridge component construction tools. The steel reinforcement cage overall precast scaffold for the wide pier body of the cross-sea bridge comprises a frame component with all edges detachable, a plurality of grooves are formed in the upper surface of the top edge and the upper surface of the bottom edge of the frame assembly in the length direction, and a plurality of grooves are also formed in the inner surface of the left side edge and the inner surface of the right side edge of the frame assembly in the length direction. The steel reinforcement cage overall precast scaffold for the wide pier body of the cross-sea bridge is high in construction efficiency, high in quality, safe, reliable, and particularly suitable for construction of wide pier body reinforcing bar engineering under severe marine environments.

The invention provides a parallel operation type quick tunneling support system which comprises a tunnel boring machine and a plurality of support frames. The parallel operation type quick tunneling support system is characterized in that the tunnel boring machine is provided with a transporter which is composed of a rack, a front adjusting beam and a rear adjusting beam, parallel conveying chains are arranged on the two sides of the rack, a guide groove is formed in the center of the rack, one end of the front adjusting beam and one end of the rear adjusting beam are hinged to different bases located in the guide groove correspondingly, and beam supporting devices are arranged at the other end of front adjusting beam and the other end of the rear adjusting beam. A construction method of the parallel operation type quick tunneling support system includes the step a of dismounting the support frames, the step b of placing the support frames, the step c of conveying the support frames, the step d of taking the support frames, the step e of mounting the support frames, and the step of of conducting anchor bolt support. According to the tunneling support system and the construction method, hydraulic pressure station legs adopt active support and have a better supporting effect compared with a passive support mode, and safe production is ensured; and meanwhile, an anchor bolt operation drill carriage operates at the rear of the tunnel boring machine, so that parallel operation of tunneling and anchor bolt support is achieved, and coal mining efficiency is remarkably improved.

The invention discloses a method for weakening a hard waste rock inclusion layer in a coal seam through hydraulic presplitting in an underground coal mine deep hole. The method comprises the followingsteps of Step 1, determining the occurrence form and range of the hard waste rock inclusion layer in a stope face; Step 2, determining drilling hole arrangement parameters and fracturing technical parameters; Step 3, performing drilling construction; and Step 4, performing in-hole conveying of fracturing equipment and fracturing construction. The method can overcome the defects and existing problems of an existing technology for weakening a hard waste rock inclusion layer in a coal seam, the effect of weakening the hard waste rock inclusion layer in more environmental-friendly, safer and moreefficient way is achieved, advanced weakening of the hard waste rock inclusion layer in an underground coal mine stope face is achieved, smooth recovery of a whole set of construction equipment for presplitting in the deep hole is completed, the fracturing construction efficiency is guaranteed, and technical defect problems existing in the prior art are solved.

The invention discloses a construction method of parallel operation of steel pipe arch construction, laying and erecting. The construction method is achieved by erecting temporary piers at closure parts of girders and erecting independent lattice brackets on the girders. By additionally installing the temporary piers at the middle spans of continuous beams and reducing the clear spans of the girders and the continuous beams, the phenomenon that excessive disturbance exists at the midspan positions in laying and erecting operation when girder transporting vehicles and bridge girder erection machines pass. The steel pipe arch installation is conducted by using the independent lattice brackets, reserved space for the independent lattice brackets is large and can allow the girder transportingvehicles and bridge girder erection machines to pass in laying and erecting operation, and at the same time, the self-weight of the independent lattice brackets are relatively low and has little influence on the stability of girder bodies. The method changes the current situation of a traditional method in which steel pipe arches are firstly installed, concrete is poured into the steel pipe arches, suspenders are installed and stretched, and then laying and erecting operation can be conducted. According to the method, before a girder-arch system is formed, parallel operation of steel pipe arch installation, laying and erecting can be achieved, and the purpose of saving the construction period is achieved.

The invention discloses a security chip, a multi-task scheduling method and device thereof and a storage medium, and the method comprises the steps: obtaining a time stage when a current thread executes a task, the time stage comprising a coprocessor calculation time stage; when the current thread is in the coprocessor calculation time stage, the current time of the system is obtained, and the next thread to be switched is determined according to the priority sequence or the time slice rotation sequence of the multiple threads; and when the difference between the current time of the system and the last quit time of the next thread to be switched is greater than or equal to the coprocessor calculation time of the next thread to be switched, switching to the next thread to be switched. According to the scheduling method disclosed by the invention, the parallel operation of each coprocessor and the CPU of the security chip can be realized, the utilization rate and the processing speed of the chip are improved, and the problems of resource waste, low efficiency and idle waiting of the CPU caused by multi-task scheduling are avoided.

The invention relates to a single-vortex double-pressure turbocharging system in the technical field of internal combustion engines. The system comprises an air inlet pipe, a main air inlet pipe, an engine, an exhaust pipe, a main exhaust pipe, a turbine, a first air compressor, a second air compressor, a connecting shaft, a connecting pipe and control valves, wherein the first air compressor, the second air compressor and the turbine are coaxially connected through the connecting shaft; a first control valve is arranged on a first air compressor air inlet pipe; a second control valve is arranged on a second air compressor air inlet pipe; a third control valve is arranged on the connecting pipe; a fourth control valve is arranged on a first air compressor air outlet pipe; a high-pressure control valve is arranged on a high-pressure connecting pipe; and a low-pressure control valve is arranged on a low-pressure connecting pipe. Three working modes of a single air compressor, double aircompressors connected in parallel and double air compressors connected in series and exhaust gas recirculation in the three working modes can be realized by adjusting the opening and closing of different control valves. The invention is reasonable in design, simple in control strategy and suitable for the turbocharging system with various cylinder numbers.

The invention relates to a single-vortex double-air compressor turbine pressurizing system with air escape valves and belongs to the technical field of internal combustion engines. The single-vortex double-air compressor turbine pressurizing system with the air escape valves comprises air inlet pipes, an engine, air outlet pipes, a turbine, a first air compressor, a second air compressor and control valves, wherein the first control valve is arranged on the air inlet pipe of the first air compressor; the second control valve is arranged on the air inlet pipe of the second air compressor; the third control valve is arranged on a connecting pipe; the fourth control valve is arranged on the air outlet pipe of the first air compressor; the fifth control valve is arranged on the air outlet pipe of the second air compressor; an air compressor rear air escape valve is arranged on an air compressor rear air escape pipe; a turbine front air escape valve is arranged on a turbine front air escape pipe; and a low-pressure control valve is arranged on a low-pressure connecting pipe. Three working modes of a single air compressor, double air compressors connected in parallel and double air compressors connected in series can be realized by adjusting the opening and closing of different control valves, and air inlet air escape, air outlet air escape and air outlet recirculation in the three working modes are realized. The single-vortex double-air compressor turbine pressurizing system with the air escape valves has a reasonable design and a simple control strategy and is applicable to turbine pressurizing systems with various cylinder numbers.

The present invention belongs to the technical field of coal mine coal tunnel digging construction equipment, and particularly relates to a cantilever type longitudinal axis digging and anchoring machine, which comprises a rack body, a left walking part, a right walking part, a cutting part, a rotation body, a rear support body, a loading mechanism, a first scraping plate conveyor, an electric control system, a hydraulic system, a spraying system and a cooling system, wherein the first scraping plate conveyor comprises a machine tail portion arranged on the rack body and a machine head portion extending out of the rack body rear portion, and the machine head portion is provided with a plurality of airborne anchor rod drillers. According to the present invention, during the use, when the cantilever type longitudinal axis digging and anchoring machine digs, the coal tunnel is subjected to anchoring fixation support by using the airborne anchor rod drillers, such that the parallel operations of digging and anchoring can be achieved, the time consumption problem caused by the frequent switching between the two processes such as digging and anchoring can be solved, the construction efficiency and the construction speed can be improved, and the puking phenomenon can be prevented.

The invention discloses a photon information processing chip, and the photon information processing chip comprises: a parallel beam expanding unit which is used for dividing an input photon signal into a plurality of photon signals according to different wavelength intervals, so as to achieve the parallel information processing; the weight setting unit which is used for setting weight values of different levels for the intensity values or the phase values of the photon beams with different wavelength intervals behind the parallel beam expanding unit; the crossover operation unit which is usedfor reallocating propagation channels to the photon beams which are set to be different in weight value after the weight setting unit according to different control voltage values; and the photoelectric receiving array which is used for converting each photon beam with different wavelength intervals into a multi-path voltage signal array through photoelectricity after the propagation channels areredistributed by the crossover operation unit, and the four units are manufactured on the same silicon-based material. Therefore, by utilizing the photon information processing chip provided by the invention, the information processing capacity is greatly improved, the information processing time is greatly reduced, and the information processing energy consumption is greatly reduced.

The embodiment of the invention discloses excavating, filling and supporting construction equipment and method, and relates to the technical field of underground engineering construction. The equipment comprises a machine base, a rock-soil cutting assembly, an auxiliary supporting assembly and a concrete filling assembly, wherein the rock-soil cutting assembly is positioned in front of the machinebase, and is used for cutting rock-soil; the auxiliary supporting assembly comprises a hydraulic power system as well as a first mechanical arm, a second mechanical arm and a third mechanical arm which are separately connected to the hydraulic power system; the first mechanical arm, the second mechanical arm and the third mechanical arm are separately provided with telescopic shell rings; the first mechanical arm and the second mechanical arm are separately arranged at the two sides of the machine base; the third mechanical arm is arranged on the top of the rock-soil cutting assembly or the top of the machine base; the concrete filling assembly comprises a stirrer and a conveying pump connected to a discharge hole of the stirrer; and the stirrer is arranged on an extending platform at therear end of the machine base. The excavating, filling and supporting construction equipment is suitable for excavating and supporting of underground spaces such as a roadway and a tunnel.

The invention relates to an AC/DC hybrid power distribution network distributed coordination optimization method considering multi-objective optimization. The method comprises the following steps: step 1, constructing an objective function and a constraint condition of an AC/DC hybrid power distribution network coordination optimization model; 2, reasonably partitioning the AC/DC hybrid power grid according to the connection position of the VSC to obtain a corresponding boundary decoupling equation and a constraint condition, and establishing a mathematical model of a sub-region by using an augmented Lagrangian method; 2, solving the interior of a region by adopting the AC/DC hybrid power distribution network coordinated optimization model established in the step 1, performing linearization processing on a non-convex problem by adopting a second-order cone relaxation technology and the like, thereby obtaining a convex optimization mathematical model based on the ADMM, solving and obtaining a new network power flow and the operation power of the FDS and the VSC, and finally obtaining the optimal power flow of the AC/DC hybrid power distribution network. And distributed coordinated optimization operation of the multi-target AC/DC hybrid power distribution network is realized. The operation cost of the power distribution network is reduced, and the flexibility and safety of the power distribution network are improved.