34results about How to "Realize simultaneous operation" patented technology

The invention relates to a rapid treatment method for the collapse of an urban subway tunnel crossing a water-rich sand layer section. The rapid treatment method for the collapse of the urban subway tunnel crossing the water-rich sand layer section comprises the following steps of (1) arranging a fence around a surface collapse area; (2) filling a concrete in the surface collapse area so as to form a concrete protection layer; (3) arranging deformation monitoring points on a ground surface; (4) filling and grouting in an area below the concrete protection layer, and filling a cavity under theconcrete protection layer; (5) grouting and reinforcing a whole collapse body, and blocking gushing water on a tunnel face in the tunnel; (6) after the gushing water on the tunnel face in the tunnel is disappeared, backfilling an area between flooders on one side of the tunnel face in the tunnel and a tunnel lining, and back-pressing the flooders; and (7) grouting and reinforcing a peripheral region of a tunnel part corresponding to the collapse body, and forming a reinforcing ring structure located on the periphery of the tunnel. The treatment method provided by the invention is fast in construction speed and good in safety.

The invention discloses an LDPC code decoding method for realizing simultaneous operation of horizontal operation and vertical operation, which comprises the following steps: dividing a check matrix of LDPC codes into k new matrixes by taking row as a unit; allocating vertical operation units for a first new matrix for vertical operation; when performing vertical operation on a second new matrix,taking an operation result in a first storage of the vertical operation as an input number of horizontal operation units for horizontal operation, performing comparative operation on the operation result and an intermediate result in an intermediate storage for the horizontal operation, returning the operation result to the intermediate storage (when the intermediate storage is called for the first time, an initialization maximum is in the intermediate storage.); and continuing the method until completing the vertical operation and the horizontal operation of the k new matrixes to obtain a final horizontal operation result, and completing a first iterative computation. The technical proposal improves the resource utilization efficiency of the operation units, and reduces the hardware resource consumption of decoders.

The present invention discloses an image data transmission method and device, which relates to the communication field. In an embodiment of the present invention, the image data transmission method comprises: when the number N of received control instructions is greater than 1, acquiring image data to be transmitted; replicating the image data, acquiring N image data, and making the control instructions be in one-to-one correspondence with the image data; processing corresponding image data according to the control instructions, and transmitting the processed image data through information transmission channels corresponding to the control instructions, wherein each independent information transmission channel is provided for each control instruction. By means of the embodiment of the present invention, the image data transmission device may execute multiple control instructions simultaneously, and implement the simultaneous operation of multiple information transmission channels, so that the instruction switching process is avoided when executing various control instructions, and the processing efficiency is relatively high.

The invention relates to a novel stand column type cantilever crane which comprises a base. Universal sliding wheels and connecting plates are arranged on the base. Supporting legs are connected with the connecting plates. The base is connected with a stand column through a lifting bottom table and a lifting device. The stand column is provided with a motor fixing seat and a drive motor. The drive motor is connected with a fixing buckle A. The fixing buckle A is connected with a fixing buckle B through screw rods and nuts. The fixing buckle B is connected with a transverse rod which is connected with an inclined rod. The lower end of the inclined rod is provided with a longitudinal rod A, a longitudinal rod B, a longitudinal rod C and a longitudinal rod D. The longitudinal rod D is connected with a sliding rail and a sliding cable. The sliding cable is connected with a lifting hook through a steel wire rope. The lower end of the longitudinal rod D is connected with a cantilever beam. The cantilever beam is connected with an electric block and is connected with a connecting base through a connecting pillar. The connecting base is connected with a sliding block and an annular guide rail. A clamping hook is hinged to the connecting base, and an annular clamping rail is connected with the clamping hook. The novel stand column type cantilever crane has the beneficial effects of being reasonable in design, comprehensive in function, stable in structure, wide in use range, easy and convenient to operate and convenient to demount and mount.

The invention relates to an automatic cutter-feeding pipeline profiling groove tool device, comprising a profiling groove cutter holder assembly and a fixing stop block assembly, wherein the profiling groove cutter holder assembly is mounted at the front end face of the movable disc of a pipe cutting machine; and the fixing stop block assembly is mounted at the rear end face of a fixing base of the pipe cutting machine and is matched with the profiling groove cutter holder assembly to perform automatic cutting radial feeding motion at interval. The automatic cutter-feeding pipeline profiling groove tool device can be used as lathe accessories of a pipeline cutting machine, a groove cutter is a formed turning tool, and the edge shape can be grinded according to the welding grooves; and the automatic cutter-feeding pipeline profiling groove tool device can process U-shaped and J-shaped grooves to be suitable for various site needs, and can process precise welding grooves and consistent blunt edges, thus realizing the simultaneous operation of the pipe cutting and grooving.

The invention provides a tunnel driving shield support. The support comprises a shield plate beam. The shield plate beam is provided with a bidirectional top extension mechanism which can simultaneously stretch out from the upper portion and the lower portion of the shield plate beam. The bidirectional top extension mechanism is supported on a tunnel base plate and a tunnel top plate, and then theshield plate beam is supported below the tunnel top plate. By using the tunnel driving shield support, the bidirectional top extension mechanism is supported on the upper surface of the tunnel base plate and the lower surface of the tunnel top plate; the above support mode is stable, the shield plate beam is prevented from moving and toppling; and in a certain range, the height of the shield beamplate can be adjusted. In a traditional technology, the shield beam plate is in contact with the uneven tunnel top plate so that the shield beam plate is distorted and deformed. In the invention, theabove condition is avoided, and the safety of workers carrying out anchor bolt support operation under the tunnel driving shield support is protected. The invention also discloses the supporting method of the tunnel driving shield support.

The invention provides a method for detecting Psa in kiwi fruit pollens. The method comprises the following steps: extracting DNA from pollen mixed bacterial suspension; designing two pairs of specific primers according to hrpW gene of kiwi fruit Psa, carrying out nested-PCR, amplifying a pollen sample to obtain an outer primer amplified band with a size of about 590 bp and an inner primer amplified band with a size of about 240 bp; and finally carrying out sequencing to verify the Psa. The detection sensitivity is 103 cfu/mL. The provided Psa rapid detection method has the advantages of stronger specificity, higher stability, and higher sensitivity, can differentiate pathogenic bacteria having close ties of consanguinity with Psa such as pseudomonas syringae pv.Theae, pseudomonas avellanae, and the like, and is capable of reducing the false positive results.

The invention provides an energy-saving box type centrifugal fan. The energy-saving box type centrifugal fan comprises a mounting seat, an air inlet, open grooves, a dividing and combining mechanism,a buffering seat, a rotating motor, a driving wheel, a flat belt, a centrifugal mechanism, an air outlet, a box body, a bearing seat, a driven wheel and a positioning pin. Through arrangement of the centrifugal mechanism and the dividing and combining mechanism, the dividing and combining mechanism is pushed to drive a driven shaft to move leftwards to achieve sliding block type connection of a coupler. A driving shaft drives power to the driven shaft, and therefore a first centrifugal impeller and a second centrifugal impeller rotate at the same time, and the flow speed of air is improved. The two centrifugal impellers are adopted, so that the defect that the length of a box body behind the impellers influences the air sucking effect in the prior art is overcome. A rotating draught fan and the buffering seat is arranged, the buffering seat is additionally arranged at the bottom of the rotating motor, and therefore direct contact between the rotating motor and the box body is avoided,and vibration and noise during working are effectively reduced.

The invention discloses an automatic particulate matter unloading railway hopper car which is composed of a car body, a braking device, a car coupler buffering device and a bogie. The hopper car adopts an unloading mode of loading from top to unloading from bottom, the whole car is provided with six through loading and unloading cargo holds, the corresponding car roof is provided with six loading ports, and the bottom is provided with six hoppers and an unloading device. A hopper car body is composed of a car roof, end walls, side walls, partition walls, a bottom frame, a hopper, an unloading device and the like, the bottom frame, the side walls, the end walls and the car roof integrally form a box-shaped structure, the side walls are of arc wrapper sheet structures, the hopper is arranged on the lower portions of the side walls, and the partition walls are arranged between the two side walls and are in rigid connection with the side walls and the bottom frame correspondingly, so that the overall strength and rigidity of the car are improved; the vehicle body has the characteristics of light dead weight and large load capacity; due to the top-loading and bottom-unloading unloading mode, a plurality of loading and unloading cargo holds can work at the same time, and the loading efficiency is improved; gravity and pressure air are mixed for unloading, the unloading speed and capacity of the vehicle can be improved through the annular pressurizer, and blockage is prevented.

The invention provides a multifunctional reclamation and covering operation machine. The multifunctional reclamation and covering operation machine comprises an operation machine body, walking wheels are arranged at the bottom of the operation machine body, a multifunctional accessory is carried on the operation machine body, a suspension mechanism used for supporting the multifunctional accessory is arranged on the operation machine body, a power output shaft used for providing power for the multifunctional accessory is further arranged on the operation machine body. A rotary tillage and film mulching all-in-one machine is carried on the operation machine body through the suspension mechanism, simultaneous operation of rotary tillage stubble cleaning, film mulching and ditching is achieved by means of a rotary cultivator, a film mulching device and a ditching and film mulching plough which are sequentially arranged, the working efficiency of the multifunctional operation machine can be improved, the modular design is adopted, and the applicability of the multifunctional operation machine can be improved.

The invention discloses a dismantling method for a bottom plate in a foundation pit supporting structure. The bottom plate comprises a concrete layer and a steel bar layer which are alternately arranged from top to bottom, and the method comprises the following steps that the bottom plate is cut into a plurality of to-be-dismantled areas by utilizing drilling equipment, for each to-be-dismantled area in the plurality of to-be-dismantled areas, crushing equipment and cutting equipment are utilized to alternately conduct dismantling operation layer by layer so as to dismantle the corresponding layer, wherein the crushing equipment is used for crushing the concrete layer, and the cutting equipment is used for cutting the steel bar layer. According to the method, firstly, the bottom plate is divided into a plurality of isolated areas, the bottom plate is dismantled layer by layer in a mode that a breaking pickaxe is used for breaking concrete and a cutting machine is used for cutting off reinforcing steel bars in a matched mode, and therefore simultaneous operation on the plurality of areas on the bottom plate can be achieved, and the dismantling progress is accelerated; and meanwhile, the bottom plate is divided into the plurality of isolated areas, so that the concrete crushing difficulty of the crushing pickaxe is reduced, the steel bar layers are cut layer by layer in cooperation with the cutting machine, and the dismantling efficiency is further improved.

The invention discloses a freeze-drying reaction cup box of a thromboelastograph. The freeze-drying reaction cup box comprises a base plate, a first side wall, a second side wall and reaction cup frames; the base plate comprises a first surface and a second surface which are opposite; the first side wall is arranged on the first surface, and a first receiving cavity is formed through the first side wall and the first surface; the second side wall is arranged on the second surface, and a second receiving cavity is formed through the second side wall and the second surface; the second receivingcavity is internally provided with several separately arranged separation plates, the separation plates divide the second receiving cavity into several storage grooves, and the second side wall is used for sleeving the first side wall of the same freeze-drying reaction cup box; each reaction cup frame is provided with a plurality of cup receiving grooves, and the reaction cup frames are detachablyinstalled in the storage grooves. When the freeze-drying reaction cup box is in use, multiple reaction cups containing the same kinds of reagent can be loaded on the same reaction cup frame, the simultaneous operation of the reaction cups can be achieved through the installation and disassembly of the reaction cup frames and the storage grooves, and the working efficiency is greatly improved.