53results about How to "Guaranteed translation" patented technology

The invention discloses a display device which comprises a first shell, a second shell and a flexible display screen. The first shell and the second shell are mutually hinged, the first shell and the second shell are respectively provided with an installation surface, a first part of the flexible display screen is installed on the installation surface of the first shell, a second part of the same is installed on the installation surface of the second shell, and a third part is connected with the first part and the second part; when the first shell and the second shell are rotated to the closed state, the display surfaces of the first part and the second part of the flexibly display screen are oppositely arranged, and the third part of the flexibly display screen is bent; when the first shell and the second shell are rotated to the unfolding state, the display surfaces of the first part, the second part and the third part of the flexibly display screen are located on the same plane.

The present invention claims a handwriting numeral recognition method based on a convolutional neural network and a support vector machine. The method organically combines a convolutional neural network model with a support vector machine model. A handwriting numeral recognition model combining the convolutional neural network with the support vector machine can deeply describe correlation between sample data and expected data and automatically learn an image feature from original data, has very good decision plane, and is very strong in discrimination capability of digital pattern classification. The handwriting numeral recognition method based on the convolutional neural network and the support vector machine, provided by the present invention, is simple, easy to implement, and very good in handwriting numeral recognition effect.

The invention relates to a fingerprint identification method, which is composed by two steps of extracting fingerprint characteristics and matching the characteristics: extracting characteristics comprises extracting characteristics of minutia points aiming at the pre-processed fingerprint image, pruning the primarily-selected minutia points, verifying reliability of the characteristics of the minutia points after pruning, and performing characteristic vector coding; characteristics matching at first utilizes the curvature characteristics of ridgeline to calibrate the images for the reduction of complexity of calibration, then uses the adjacent domain relation characteristics of the fingerprint to carry out the computation of matching score and statistic of matching double points, and in accordance with the number of matching double points and the matching score, makes use of multilevel judgement system to judge the similarity of two fingerprints. The invention has the advantages of high identification rate, fast identification speed and strong reliability.

The invention discloses a visible light-infrared image registration method based on salient region features and edge degree, and is to solve the technical problem of poor registration precision due to low similarity of image features extracted through an existing visible light-infrared image registration method. The technical scheme is characterized by extracting a salient region from an image pair to be registered through a significant region detection method based on adaptive local contrast; describing shape features of the salient region by utilizing a Zernike rotation invariant moment to ensure translation, gray level, scale and rotation invariance of the utilized features; through RANSAC, obtaining a homonymy point pair and carrying out estimation to obtain initial transform parameters; and finally, carrying out optimization on the initial transform parameters by utilizing a three-dimensional joint histogram constructed based on edge degree to obtain a final result. The method improves image registration precision through salient region and edge degree features, the similarity of which are higher, between heterogeneous source images, and invariance of the Zernike moment.

The present invention relates to disassembly equipment and to a method for changing at least one cylinder and / or a cluster of a laterally supported six-high roll stand, said disassembly equipment including: a handling frame (1), including positioning and moving means for moving and positioning same; a mobile shuttle (2) capable of moving over said frame (1), characterized in that said shuttle (2) includes an extraction device (26) which can be moved by a moving member and which can disassemble the roll stand or mount a cluster and / or a lateral supporting cylinder thereon, said extraction device (26) including an upper crossbeam (265) rigidly connected, via a movable strut (267), to a lower crossbeam (266), each of said crossbeams having, at each of the ends thereof, a movable gripping plate (261) including at least one locking bolt (262), the gripping plates (261) of a single crossbeam being intended to grip at least one cluster and / or at least one lateral supporting cylinder by actuating said locking bolt (262).

The invention discloses a material binding machine. The material binding machine comprises a plurality of paper storage boxes, a paper taking device, a tidying device, a binding device and a base, wherein the plurality of the paper storage boxes are used for storing paper to be bound; the paper taking device is used for taking the paper out from each paper storage box and feeding the paper to a tidying area; the tidying device is used for tidying a whole document in sequence for binding; the binding device is used for binding the tidied paper; the base is used for supporting the devices, and provides the paper storage boxes and the tidying area through a bottom plate thereof. According to the material binding machine disclosed by the invention, a plurality of pages of documents are tidiedinto a whole document in sequence automatically according to setting, and is collected into an accommodating device through overturning after being bound, so that the labour intensity is greatly reduced, the work efficiency is improved, and the paper can also be prevented from being folded or damaged because of unbalance of an adsorption position. The material binding machine disclosed by the invention is simple in structure, reliable in action, suitable for various places, such as material tidying, file tidying and book tidying, and wide in application.

The invention relates to crank type window cleaning equipment, comprising a stand column, a fixed arm, a hanging mechanism, a hoisting mechanism and a travelling mechanism, wherein the front end of the fixed arm is rotatably provided with a rotary upright of which the lower part is provided with a crank arm; the crank arm comprises a driving crank, a connecting bar and a driven crank, which are hinged with each other; the driving crank and the driven crank are hinged on the rotary upright; the rotary upright, the driving crank, the connecting bar and the driven crank are formed a parallelogram mechanism; a hydraulic cylinder is hinged between the driving crank and the rotary upright; the connecting bar is fixedly connected with a hoisting mechanism; and a suspended working platform is suspended on the hoisting mechanism. In the invention, the front end of the fixed arm is provided with a folding crank arm, so that the scope of the crank arm is adjusted to cause the suspended working platform to close to a recess of the building for operation, thereby enlarging the working range of the window cleaning equipment; and the parallelogram mechanism is used for the crank arm, thus ensuring translation of the hoisting mechanism, causing the suspended working platform to be in a horizontal state all the time and be convenient and reliable in operation.

The invention discloses a robot chess opening arranging method and system based on target outline and skeleton characteristics. In the method, a chess piece positioning and identifying method of primary coarse positioning, region segmentation, secondary accurate positioning and extraction based on the target outline and skeleton characteristics combined with a SVM multi-classifier part is provided, and the automatic arranging function at the opening stage of an intelligent chess robot is achieved. The system is formed by a common Chinese-chess chessboard, chess pieces, a uArm four-degree-of-freedom mechanical arm, a sucking disc, a camera, a light source, a control system based on a PC and the like; the whole system is simple in structure and easy and convenient to operate, the full-automatic arranging function of the robot can be completed before man-machine chess playing is conducted, and the system has the good stability in the relatively-complex environment.

The invention discloses a multi-dimensional vibration isolation and damping device with multi-directional anti-drawing and pre-tightening functions and a vibration isolation and damping method thereof. The multi-dimensional vibration isolation and damping device comprises an upper pressure-bearing steel plate, a lower pressure-bearing steel plate and other parts such as pre-pressing type cylindrical dampers, steel hinge ropes and a core damping pad, wherein the parts such as the pre-pressing type cylindrical dampers, the steel hinge ropes and the core damping pad are disposed between the upperpressure-bearing steel plate and the lower pressure-bearing steel plate. According to the multi-dimensional vibration isolation and damping device, the pre-pressing type cylindrical dampers connectedwith the pressure-bearing plates through the steel hinge ropes and distributed on the periphery of the vibration isolation and damping device can attenuate the vibration and effect in the vertical, horizontal and torsional directions; and the core damping pad disposed at the center of the vibration isolation and damping device can isolate and attenuate the vibration effect in the horizontal direction, and therefore the vibration effects are simultaneously isolated and attenuated in multiple directions.

The invention discloses a sliding-friction pendulum combined shock-insulation layer with an ultra-large bottom surface. The combined shock-insulation layer comprises an upper spherical shell layer, a lower spherical shell layer and sliding frames. Four arc-shaped spherical faces are arranged on the upper surfaces of the lower spherical shell layer. Four arc-shaped spherical faces are arranged on the lower surface of the upper spherical shell layer. Each sliding frame is composed of a plurality of sliding blocks, upper connecting components, lower connecting components, connecting beams and sliding frame columns, wherein the sliding frame columns are connected between the upper connecting components and the lower connecting components, and the lateral portions of the upper connecting components and the lateral portions of the lower connecting components are connected with the connecting beams. The upper end surfaces of the upper connecting components and the lower end surfaces of the lower connecting components are welded to the sliding blocks. The sliding frames are in overlap joint with the arc-shaped spherical faces of the upper spherical shell layer and the arc-shaped spherical faces of the lower spherical shell layer through the sliding blocks. According to the sliding-friction pendulum combined shock-insulation layer with the ultra-large bottom surface, the sliding frames are formed through connection of the sliding blocks, and the integral shock-insulation layer is formed by the sliding frames, the upper spherical shell layer and the lower spherical shell layer; and the span of the shock-insulation layer is quite large, the allowable deformation, in the horizontal direction, of the shock-insulation layer is far larger than that of a shock-insulation support, and the requirement for horizontal deformation of the shock-insulation layer under an extremely-powerful earthquake can be completely met.

The invention discloses a texture feature and shape feature fusion-based underwater sound image feature extraction method. The method mainly comprises the following key steps of: carrying out image segmentation; carrying out boundary extraction; generating an element matrix; calculating a grayscale-element co-occurrence matrix; and obtaining five feature quantities. According to the method, graphical features of underwater sound images of undersea sediment are set about, and the feature extraction of underwater sound images of undersea sediments is realized by applying and combining the boundary extraction and the grayscale-element co-occurrence matrix and utilizing boundary shape features of the underwater sound images of the undersea sediments and grayscale relevance. The method is capable of ensuring translation, rotation and zooming invariance, is insensitive to noise, and is capable of describing closed areas and well completing feature extraction for non-closed areas, so as to realize indirect recognition and extraction on the basis of graphical features of underwater sound images of undersea sediments.

The invention discloses a circular RNA vaccine for influenza viruses. The invention provides a circular RNA molecule (HA2-M2e circ mRNA). The circular RNA molecule is shown as a sequence 8 in a sequence table. The invention also provides a protein (HA2-M2e circ mRNA translated protein), which is shown as a sequence 2 in the sequence table. The invention also protects a coding gene of the protein.The invention also protects a DNA molecule containing the coding gene. The circular RNA molecule, the protein and the gene can be used for preparing vaccines with broad spectrum on various influenza viruses. The invention has important application and popularization values for prevention and control of influenza viruses.

The invention discloses a photovoltaic power station unmanned aerial vehicle inspection method based on machine learning, and the method comprises the following steps: S02, carrying out the aerial photography of a photovoltaic power station region through an unmanned aerial vehicle, obtaining an aerial photography pictures with impurities and without impurities on the upper surface of a photovoltaic panel through aerial photography, and preprocessing the aerial photography picture to obtain a training sample set; S03, generating a classification prediction model from the training sample by using a machine learning algorithm; S04, classifying aerial photography pictures to be processed by using the classification prediction model; S05, determining whether the classification result of the to-be-processed aerial photography pictures reaches the expectation or not, if so, entering the step S07, and otherwise, entering the step S06; S06, adding aerial photography pictures with wrong classification results into the training sample set, and repeating the steps S02 to S05; and S07, outputting a classification result. The problem of low inspection efficiency in the prior art is solved.

The invention provides a method for terminating lncRNA diallele transcription. The method comprises the following steps of 1) constructing CMV-antibiotic screening gene-PolyA DNA fragments containing two different antibiotic screening genes; 2) designing gRNA according to different target genes, and constructing Cas9 / gRNA expression vectors; 3) inserting the CMV-antibiotic screening gene-PolyA DNA fragments obtained in the step 1) into the target genes, and constructing homologous recombinant vectors containing the target genes; 4) introducing cells: co-transfecting the pair of homologous recombinant vectors containing the target genes obtained in the step 3) and the Cas9 / gRNA expression vectors containing the target genes obtained in the step 2) to the cells; and 5) performing screening for at least 2 weeks by using related antibiotics used in the step 1), and obtaining polyclonal cell strains of which lncRNA dialleles are knocked out. According to the method, the purpose of quickly obtaining the cell strains of which the lncRNA dialleles are knocked out at the same time while realizing efficient fixed-point insertion can be achieved.

The invention discloses a multi-actuating travel and return travel irregularly-shaped wheel lubricating grease delivery device, which comprises piston cylinders, pistons and piston rods. Resetting springs sleeved on the piston rods are arranged in the piston cylinders. The device also comprises a square rack. An input shaft is fixedly arranged on the middle part of the rack. A plurality of irregularly-shaped wheels are arranged at an equal interval on the input shaft. A frame fixedly arranged on the rack is arranged outside each irregularly-shaped wheel. The piston cylinders are symmetrically arranged on the rack on the left and right sides of each frame. The end parts of the piston rods matched with the piston cylinders are fixedly arranged on the lateral surfaces of the frames through capped round pins. A fixed shaft is arranged on the lower part of each frame, and penetrates through a guide hole in the bottom of the frame. Each irregularly-shaped wheel consists of three small wheels which are arranged at an equal interval of 120 degrees. Mounting angles of adjacent irregularly-shaped wheels which are arranged at the equal interval on the input shaft are differentiated by 40 degrees. When the irregularly-shaped wheels rotate a circle, the pistons reciprocally move for three times, so that a high-flow stacking fold can be increased, and the non-uniformity of flow of the delivery device can be reduced. The device is simple in structure, uniform in flow and high in stability, and the fluctuation of the flow can be effectively reduced.

The invention relates to a fingerprint identification method, which is composed by two steps of extracting fingerprint characteristics and matching the characteristics: extracting characteristics comprises extracting characteristics of minutia points aiming at the pre-processed fingerprint image, pruning the primarily-selected minutia points, verifying reliability of the characteristics of the minutia points after pruning, and performing characteristic vector coding; characteristics matching at first utilizes the curvature characteristics of ridgeline to calibrate the images for the reductionof complexity of calibration, then uses the adjacent domain relation characteristics of the fingerprint to carry out the computation of matching score and statistic of matching double points, and in accordance with the number of matching double points and the matching score, makes use of multilevel judgement system to judge the similarity of two fingerprints. The invention has the advantages of high identification rate, fast identification speed and strong reliability.

The invention discloses a treatment device for a friction surface of a steel structure site construction component. The treatment device comprises a component conveying mechanism used for conveying the component, a detection mechanism used for detecting the bending degree of the friction surface, a polishing mechanism used for polishing burrs on the friction surface and a rust removal mechanism used for removing rust from right to left in sequence. The friction surface of the component is automatically cleaned, the labor intensity is reduced, workers do not need to continuously turn over the component for cleaning, constructors are prevented from being injured by crashing, and it is guaranteed that the component is welded stably, and a steel structure is firm.

The invention provides a hoisting method for a transverse moving carrier, and belongs to the technical field of hoisting construction. The method comprises the following steps that a window suitable for allowing the transverse moving carrier to enter is reserved on the side surface of a building structure after a parking garage is capped; the transverse moving carrier is hoisted to the window of atarget floor, and temporary lifting lugs are welded to the top of the target floor; after the transverse moving carrier is hitched to the temporary lifting lugs through chain blocks, the transverse moving carrier is driven to move towards the directions of the temporary lifting lugs by the chain blocks; and after the transverse moving carrier enters the target floor, the transverse moving carrieris placed on the ground of the target floor. The integral hoisting process of the transverse moving carrier is performed after the parking garage is capped, the construction period of the integral building structure of the parking garage can be guaranteed, floor slabs of the parking garage are poured and constructed at the same time, and the phenomenon of water leakage at the top of the parking garage is not likely to happen; and during the hoisting process, the transverse moving carrier is hitched to the temporary lifting lugs to assist the translational motion of the transverse moving carrier, and the transverse moving carrier can be guaranteed to stably and reliably enter the target floor.

The invention discloses a translation device capable of resetting automatically. The translation device comprises two supporting plates arranged oppositely, an installing shaft, a guiding shaft, a sliding rod and an elastic piece, wherein the installing shaft and the guiding shaft are arranged on the two supporting plates respectively, the guiding shaft and the installing shaft are arranged parallelly, the sliding rod can be sleeved on the installing shaft and the guiding shaft in sliding mode through installing holes, and the elastic piece is used for driving the sliding rod to reset automatically. Due to the fact that the sliding rod is sleeved on the installing shaft and the guiding shaft, namely a moving plane of the sliding rod is determined through two straight lines, and simultaneously the installing shaft and the guiding shaft are arranged parallelly, a moving direction of the sliding rod is guaranteed to be the axis direction of the installing shaft and the guiding shaft. The elastic piece can guarantee automatic reset of the sliding rod. By means of the device, the sliding rod can translate within a long distance. The components are common components, and production cost is low. During transportation, the translation device can be detached and conveyed. During use, only simple assembling is required, and transportation cost is reduced.

The invention discloses a portable four-degree-of-freedom teaching compass. The portable four-degree-of-freedom teaching compass comprises a main body support device, a telescopic device and a pen clamping device, which are sequentially connected, wherein the main body support device is a base of the whole compass, and can be conveniently fixed on a blackboard or a whiteboard; the telescopic device comprises a fixed outer rod and a telescopic inner rod; the fixed outer rod is fixedly connected with the main body support device, and the telescopic inner rod is fixedly connected with the pen clamping device, and is arranged in the fixed outer rod, and can move to and fro along the interior of the fixed outer rod, thereby adjusting the distance between a pen and the main body support device, namely adjusting the radius of a drawn circle. The portable four-degree-of-freedom teaching compass is based on an ergonomic design and a multi-body kinematics principle, and has the advantages of simplicity and convenience in operation, high mechanical performance, high circle drawing accuracy and efficiency and the like.

The invention relates to an automatic plumb suspension device for a crank arm window cleaner, comprising a crank arm, a hanging mechanism and a working platform; the crank arm comprises a driving crank, a connecting rod and a driven crank which are hinged with one another; the driving crank and the driven crank are hinged on a rotation vertical rod; the rotation vertical rod, the driving crank, the connecting rod and the driven crank form a parallelogram mechanism; the connecting rod is fixedly connected with the hanging mechanism; and a suspended working platform is hung on the hanging mechanism. The crank arm in the invention ensures the translation of the hanging mechanism by using the parallelogram mechanism so that the suspended working platform is always in horizontal state and the operation is convenient and reliable.

The invention relates to the technical field of kits, in particular to a constant-temperature kit which comprises a containing mechanism, a sealing mechanism, a clamping mechanism, a pushing mechanism and a pressing mechanism. The top of the containing mechanism is connected with the sealing mechanism in a buckled mode, the top of the sealing mechanism is rotated after a reagent bottle is placed in the containing mechanism, and therefore the periphery of the sealing mechanism abuts against the inner wall of the containing mechanism, the sealing performance between the containing mechanism and the sealing mechanism is improved, and reagent storage is facilitated. When the reagent bottle is placed, the reagent bottle is fixed in the clamping mechanism in a manner similar to mounting a remote controller battery, so that shaking during carrying is avoided, the protectiveness is good, and carrying is facilitated; a pushing mechanism located at the bottom of the clamping mechanism is installed in the containing mechanism, the inner wall of the containing mechanism is slidably connected with a pressing mechanism which is embedded into the clamping mechanism and abuts against the pushing mechanism, the pressing mechanism is pushed to the bottom of the containing mechanism after the pressing mechanism slides horizontally, and reagent bottles can be taken conveniently.

The invention relates to a five-axis linkage numerical control welding machine and the welding technique control method thereof. The welding technique control method comprises the following steps: adopting CAD / CAM to build a welding workpiece model; planning and outputting the specific welding spot sequence data; and then carrying out a coordinate conversion and generating a G-code numerical control program file by applying a specific machine tool kinematical formula. The mechanical transmission system ensures the five-axis linkage according to the converted specific welding-spot data, so as to optimize the position between the welding gun and the welding spot while welding, ensure that the welding product has the advantages of good quality uniformity, high repeatability precision, good movement and power performance, etc.; the mechanical transmission system includes three linear movement guide rails X, Y and Z which drive the welding guns to work, and two rotating shafts which drive the welding guns to rotate, wherein the linear movement guide rails can ensure that the rotating shafts can move transversely in any position in the working space, and the two rotating shafts which drive the welding guns to rotate can ensure that the welding guns can perform a 360-degree rotation round the welding spot, therefore, the welding machine and the control method thereof have the advantages of large machine tool stroke, no dead area, high generality, high suitability, etc.

The invention provides a blank direction recognizing device during the feeding process of an easy open can necking machine and belongs to the technical field of easy open can production. According tothe technical scheme, the blank direction recognizing device comprises a support frame and a conveying rail, wherein the conveying rail comprises an inclined part and a feeding part and further comprises a flattened part; a movable component is arranged between the upstream section B and the downstream section A of the flattened part; a bearing frame is arranged on one side of the movable component; a steering component is arranged on one side of the bearing frame; after the movable component is translated to the bearing frame, the movable component realizes 180-degree steering via the steering component; a chassis is arranged at the bottom of the movable component; a chain transmission mechanism is arranged on the chassis; and a substitute components are sequentially arranged on the chaintransmission mechanism. The blank direction recognizing device replaces manual operation to get rid of reverse blanks from a conveying rack, so that the manual operating cost is saved, the reverse blanks can be effectively prevented from entering the necking machine, the reverse blanks are protected, the material is saved, and the economic loss is reduced.

The invention discloses an angle-adjustable translational lifting machine. A pair of movable arms I and a pair of connecting rods are hinged to a front frame; the upper ends of the movable arms I andthe connecting rods are hinged to a triangular hinge plate; the movable arms I, the connecting rods, the front frame and the triangular hinge plate form a parallelogram mechanism I; the lower end of amovable arm II is hinged to the hinge point of the movable arms I and the triangular hinge plate; the lower end of a tipping bucket oil cylinder is hinged to the triangular hinge plate; the upper ends of the movable arm II and the tipping bucket oil cylinder are hinged to a machine tool; and when the length of the tipping bucket oil cylinder is equal to that of the movable arm II, the movable armII, the tipping bucket oil cylinder, the machine tool and the triangular hinge plate form a parallelogram hinge mechanism II. The angle-adjustable translational lifting machine adopts a double-parallelogram structure, the angle change of the machine tool is zero in the working process, the translational property is good, and materials are loaded and unloaded more stably and safely; the unloadingheight, the lifting height, the unloading distance and other working sizes can be controlled according to working requirements; the front frame and a rear frame of the machine are hinged in a composite manner, so that the site adaptability is improved; and the machine tool can use a bucket or a fork to realize multiple functions of the machine.

The invention discloses a diamond wire cutting double-wire mechanism. The diamond wire cutting double-wire mechanism comprises a supporting column, an adjustable wire roller plate assembly, a supporting wire roller plate assembly, a wire roller assembly, a buffer assembly, a bearing transition assembly and a wire arrangement guide wheel. Double wires are arranged in a double-wire groove, winding of the double wires can be effectively avoided, and overall running of the mechanism is guaranteed. A sliding block horizontally moves to different adjusting holes in a sliding groove base, a thread fixing piece penetrates the adjusting holes to fix a connecting block, the sliding block and the sliding groove base, accordingly, the distance between a first wire roller and a second wire roller is adjusted according to the length of a diamond wire, the tension of the diamond wire is further adjusted, adaptability is extremely good, accordingly, the angle range of the stress point of the diamond wire is guaranteed, and the stress reverse action borne by the diamond wire during cutting is greatly reduced. Through a positioning connecting rod and a positioning plate, the limiting function on the connecting block can be achieved, and the sliding block horizontally moves on the same horizontal line during adjustment of the sliding block and the sliding groove base.

The invention discloses a parallelly-driven heavy-load robot. The robot comprises a fixed base, a transmission swing arm mechanism, a tail end execution assembly, a rotary driving assembly, a first swing driving assembly and a second swing driving assembly; the transmission swing arm mechanism comprises a first transmission arm assembly and a second transmission arm assembly; the first transmission arm assembly comprises a first arm body, a first connecting rod, a first connecting block and a rotating seat; the second transmission arm assembly comprises a second arm body, a second connecting rod and a second connecting block; the tail end execution assembly is installed on the second connecting block; the first arm body, the first connecting rod, the first connecting block and the rotating seat on the first transmission arm assembly form a parallelogram structure; and the second arm body, the second connecting rod, the second connecting block and the first connecting block on the second transmission arm assembly also form a parallelogram structure. The rigidity and the load capacity of the robot are ensured, the tail end execution assembly on the second connecting block is always kept in translational motion, and the adverse effect caused by an eccentric gravity moment due to the dead weight of a driving assembly is effectively reduced.

The invention discloses automatic pin shaft mounting equipment for band links. The automatic pin shaft mounting equipment comprises a band link conveying mechanism, a band link centering mechanism anda pin shaft mounting mechanism. The band link conveying mechanism comprises a conveying worktable, a band conveying channel formed in the conveying worktable, a sliding way formed in the conveying direction of the band conveying channel, a conveying push plate in sliding and guiding fit with the sliding way, and a conveying driving device for pushing the conveying push plate to move along the sliding way. The band link centering mechanism is arranged at the conveying tail end of the band link conveying mechanism. The pin shaft mounting mechanism is located on one side of the band link centering mechanism. According to the automatic pin shaft mounting equipment for the band link, in-place band conveying and the accuracy of centering of the band links can be ensured, then band pin shafts are automatically assembled, the mounting efficiency of a compression band of a tobacco cutter is improved, and the mounting quality and the equipment and personnel safety in the mounting process are ensured.

The invention relates to a construction method for an underground diaphragm wall under the condition of an irremovable underground obstacle. The construction method comprises the following steps of making a deep guide wall to the bottom of a pipe gallery, and protecting the pipe gallery through protective steel plates; separately forming grooves along the protective steel plates on the both sidesof the pipe gallery through a trenching machine to a set position below the bottom elevation of the pipe gallery; and performing underwater towing and translation on a plurality of reinforcement cagesthrough a crane, so that all the reinforcement cages are horizontally moved to the specified position below the pipe gallery. The pipe gallery is completely wrapped and protected through the protective steel plates, and the situation that a grab bucket collides with the pipe gallery structure by mistake during grooving is avoided; through underwater towing and translation , the breakdown and damage risk caused by uneven stress of the reinforcement cages in the translation process can be avoided, and it is ensured the reinforcement cages are horizontally moved to the specified position below the pipe gallery; and the overall rigidity of a wall and the stress safety of the foundation pit below the pipe gallery are ensured.

The utility model discloses a spray type eye drop dripping instrument for ophthalmology, and belongs to the field of ophthalmology medical supplies. The instrument comprises an eyelid poking assembly, a controller, a compression pump, a mist gathering assembly, a connecting piece, a protection frame, a mounting hole, a spraying head, a first window, a second window and a frame body, the mounting hole is formed in the frame body, the connecting piece is arranged in the mounting hole and used for wearing the frame body, and the first window is arranged at the position, corresponding to the left eye socket, of the frame body; a second window is arranged at the position, corresponding to the eye socket, of the frame body, a fog gathering assembly is arranged on the first window and the second window respectively, a controller and a compression pump are further arranged on the frame body, the compression pump is connected with the spray head through a pipeline, and an installation connector is arranged on the frame body. Through the design of the eyelid poking assembly, eyelids can be separated and kept, through cooperation of the spray head and the mist gathering assembly, a better treatment environment is provided for eyeballs through atomization, meanwhile, the device can drip liquid to the both eyes at the same time, and thus the liquid dripping efficiency is improved, and a good treatment effect is achieved.