36results about How to "Resolve skew" patented technology

The invention provides a guiding centralizer mechanism for a single-pile foundation of an offshore wind turbine. The guiding centralizer mechanism comprises a frame, a clamping and guiding mechanism, a horizontal adjusting mechanism and a vertical adjusting mechanism, wherein the frame is fixed onto a workboat, the horizontal adjusting mechanism and the vertical adjusting mechanism are arranged on the frame, and the clamping and guiding mechanism is connected with the vertical adjusting mechanism. The guiding centralizer mechanism is driven and controlled by a hydraulic cylinder and functions in clamping, guiding and centralizing the single-pile foundation of the offshore wind turbine, the pile foundation can be vertically piled into a seabed by a pile hammer during piling and prevented from deflecting during piling, normal running of the wind turbine is ensured, and wind generation efficiency is improved.

The invention discloses a slurry wall protection construction method for a bored pile. The slurry wall protection construction method includes the following steps that step 1, a pile hole is positioned; step 2, a pile casing is buried; step 3, a drilling machine is in place; step 4, qualified slurry is prepared; step 5, hole forming and hole clearing are performed; step 6, a steel reinforcement cage is lifted for placing; step 7, underwater concrete is cast. According to the slurry wall protection construction method for the bored pile, operation is easy, the problems that the pile hole deviates, and pile body concrete is mixed with slurry are solved, and the construction method is suitable for slurry wall protection hole forming bored pile engineering of soft and hard soil layers high in underground water level in industrial and civil buildings.

The invention relates to belt conveyor moving devices, particularly to a self-moving belt conveyor tail. The self-moving belt conveyor tail comprises a conveyor tail, a middle portion, a driving portion and a hydraulic system and is characterized by further comprising a moving oil cylinder, one end of the moving oil cylinder is hinged to the base of the driving portion, the other end of the moving oil cylinder is hinged to the middle portion, and a beam arranged on a middle portion base is connected with a conveyor tail base. The self-moving belt conveyor tail further comprises tracks which are arranged on two sides of the conveyor tail and the middle portion, and the rear ends of the tracks are connected with the base of the driving portion; the middle portion and the conveyor tail portion is provided with a lifting mechanism, the driving portion is provided with an anti-slipping fixing mechanism which can personally achieve fixation to prevent dislocation of the conveyor tail during transportation, the middle portion is provided with an offset regulating mechanism which can solve the off-tracking problem of belts, the conveyor tail is provided with a roller offset regulating mechanism which can solve the deviation of a conveyor tail roller. The self-moving belt conveyor tail can move by itself, each movement distance maximally reaches 1.8 meters, the lifting mechanism and the moving oil cylinder enable the conveyor tail and the middle portion to move along the tracks; and the tacks can smoothly move in two side tunneling directions of the conveyor tail portion.

The invention discloses a retaining wall type open caisson sinking device and a construction method of the retaining wall type open caisson sinking device. The retaining wall type open caisson sinking device comprises a door type support unit, a deviation rectification unit, a sinking-assisting unit and an auxiliary unit. The door type support unit is composed of a device foundation, a door-type support and side supporting frames. The deviation rectification unit comprises an inner retaining wall, an outer retaining wall and slinging chains. The sinking-assisting unit comprises a device layer, an inner air box, an outer air box and longitudinal high-pressure air conveying pipelines. The auxiliary unit is composed of a headstock gear and an electromagnet. The retaining wall type open caisson sinking device further comprises a posture monitoring unit composed of a posture sensor and a controller processor. The construction method of the retaining wall type open caisson sinking device is used for constructing an open caisson with a deep overburden foundation and with the high automation degree, enabling the posture of the open caisson to be monitored in real time and enabling deviation rectification to be conducted on the posture of the open caisson in time. According to the retaining wall type open caisson sinking device and the construction method of the retaining wall type open caisson sinking device, when the open caisson sinks due to the dead load, new measures such as sink assistance, deviation rectification, the electromagnet and the retaining walls are thoroughly combined, it is guaranteed that sinking of sections of the open caisson can be continuously, effectively and accurately conducted on the deep overburden foundation, the automation degree is high, and mutual interference between open caissons is small.

The invention provides a document scanning image correction method and device, and relates to the technical field of archive management. The document scanning image correction method comprises the following steps: correcting a document scanning image; obtaining scanned document images and projection values of light beams of the document images in different angle directions; the deflection angle ofthe document image is determined according to the projection values of the light beams in different angle directions of the document image; judging whether the deflection angle of the document imageis greater than a preset threshold value or not, if yes, determining the document image as the deflection image, and obtaining a corrected image of the deflection image based on the picture generationnetwork model and the training weight value of the picture generation network model, so that the labor cost is reduced, and meanwhile, the document scanning efficiency is improved.

The invention discloses an efficient flexible plate inlet machine used for positioning, tracking and correcting of plates. The efficient flexible plate inlet machine comprises a rack (1). A conveyingdevice (2) is arranged on the rack (1). The conveying device (2) comprises long synchronous belts (21), and a push claw device (3) is arranged at the position, between the long synchronous belt (21),on the rack. A flexible abutting and blocking device (4) and a flexible pressing wheel device (5) are arranged on one side of the rack (1), and a flexible correction device (6) is arranged on the rearside of the rack (1). The flexible correction device (6) comprises a portal frame (61), a set of blocking claw devices (62) arranged on the portal frame (61) and a squaring device (63). The efficientflexible plate inlet machine has the beneficial effects that the problem of plate deflection is avoided, pretreatment can also be conducted on parallelogram-similar plates, the automation degree andthe plate inlet efficiency are improved, and the plate quality is improved.

The invention discloses an anti-floating anchor rod construction method. According to the anti-floating anchor rod construction method, an anchor rod is constructed before a foundation pit is excavated, a reinforcing part is formed in the soil body surrounding the upper part of the anchor rod through high-pressure rotary spraying, and it is guaranteed that the anchor rod does not deflect when thefoundation pit is excavated. In addition, beforehand construction of the anti-floating anchor rod can be synchronized with the construction of a pile foundation and the maintenance, no extra construction period is occupied, and thus the construction period progress can be accelerated; the anti-floating anchor rod can be constructed before the foundation pit is excavated, so that the problem that the working plane after excavation is not beneficial to mechanical construction due to the fact that the soil at the bottom of the foundation pit is poor is solved; and the high-pressure rotary spraying method is adopted by the construction method, partial cement soil below the designed excavation bottom plane is reinforced, so that the stability of the anchor rod itself and the stability of the whole foundation pit, especially the soft soil foundation pit, are enhanced.

The invention discloses a shallow foundation building rectification and reinforcement structure. The structure comprises a shallow foundation building part and a rectification and reinforcement part,and the rectification and reinforcement part is fixedly installed on the shallow foundation building part. Accordingly, the stability is good, the reinforcement effect is good, the structure is suitable for rectifying deflection occurring after construction of a shallow foundation building is completed, the problem that in the prior art, deflection occurring after construction of the shallow foundation building is completed is effectively solved, the phenomenon that deflection occurs again on a vertical wall in the later period can be prevented, in the installation process, the structure is moistly installed on the outer side of the vertical wall, and the loss brought by conducting rectification on the shallow foundation building can be effectively lowered. According to the construction method, the rectification and reinforcement part can be prefabricated and formed, the construction speed can be greatly increased, and meanwhile the construction difficulty can be lowered, the construction steps are simple, the construction process is safe, not only can the personal safety of constructors be guaranteed, but also the working intensity of the constructors can be lowered.

The invention relates to laser cutting equipment capable of realizing multi-station circulating operation. The equipment comprises a base, a fixing and position changing unit and a feeding and cuttingunit; the fixing and position changing unit is arranged on the inner wall of the lower end of the base; and the feeding and cutting unit is arranged at the upper end of the base. According to the equipment, by means of the design concept of multi-station reciprocating cutting of axial feeding, the problem that during multi-station plate cutting, the larger the number of stations is, the larger the equipment is is solved, the size of the equipment installation space is reduced while the cost of a factory is saved, and therefore arrangement of stations of the factory is simpler and more convenient; according to the equipment, the fixed ends of the feeding position and the cutting position are inconsistent through separation of feeding and cutting, so that a plate is fed in the mode of feeding during fixing in a subdivision mode, the plate is completely fixed during cutting, and the problem that the plate can deflect due to the fact that the plate is not limited when the fixed length isfed is solved.

The invention provides a material strip deflection correction control device which mainly comprises a roller, a roller slope control mechanism, a driving cylinder and two photosensors mounted on one side edge of a material strip. The material strip deflection correction control device is characterized in that the roller is mounted on the roller slope control mechanism; one end of the roller slope control mechanism is connected with the piston rod of the driving cylinder; the two photosensors are respectively located on the outer side and inner side of one side edge of the material strip, and are electrically connected to a control chip; the driving cylinder is connected with a hydraulic control system; and the hydraulic control system is electrically connected with the control chip. Through the roller slope control device, an upper panel can be driven by the piston rod of the driving cylinder to move left and right, and the upper panel can be driven by two hinged support plates to generate deflection in the horizontal direction during the movement of the upper panel so as to control the force of the material strip on the roller and finally adjust the position of the material strip on the roller. The invention also discloses a material strip deflection correction control method.

The invention discloses a device and method for governing oil-water-well oil-string-casing channeling, and belongs to the technical field of oil extraction equipment. The device comprises a jacking cylinder, a jacking nut, a base cylinder and tension pieces; the jacking cylinder sleeves an oil-string casing, a first flange extending outwards is arranged at the upper end of the jacking cylinder, and an external thread is formed in the outer wall of the jacking cylinder; the jacking nut sleeves the jacking cylinder, and an internal thread matched with the external thread in the outer wall of thejacking cylinder is formed in the inner wall of the jacking nut; the base cylinder comprises a supporting section and a packing section which are sequentially connected from top to bottom; the packing section is located in annular space between a surface casing and the oil-string casing, clamping teeth capable of being clenched with the outer wall of the oil-string casing are arranged on the inner wall of the packing section, and the jacking cylinder can enter the supporting section; a second flange extending downwards is arranged at the connecting portion of the supporting section and the packing section; the first flange, the second flange and a surface casing head flange are fixed through the tension pieces; the first flange is also fixed to a large four-way lower flange.

The invention provides a burnishing reamer for high precision deep-hole processing. According to the burnishing reamer for the high precision deep-hole processing, the problems that the precision is low, the service life is short, the quality of hole processing cannot meet technical requirements in a traditional deep-hole processing tool are solved. The burnishing reamer for the high precision deep-hole processing comprises a first cylinder, a second cylinder and a third cylinder, wherein the first cylinder, the second cylinder and the third cylinder are coaxial and are connected with each other in sequence and in order. The first cylinder is a head of the reamer with a diameter of d1. The second cylinder is a neck with a diameter of d2, and the diameter of the neck is d2=d1-0.5mm. The third cylinder is a handle with a diameter of d3. Six levorotatory guiding lands distribute on the outer circumference of the reamer head at intervals. A carved camber surface can be formed by the carving on the back portions of the adjacent guiding lands.

The invention discloses a triple phase cutting hole machining tool and a triple phase cutting hole machining process for a copper cooling wall. According to the machining tool and the machining process, a drill bit body is provided with a guide groove; the drill bit body can realize direction guidance in a deep hole machining process by virtue of the guide groove; meanwhile, when the machining tool is used for machining a region of which the hole position is relatively deep, the drill bit body is additionally provided with a drill bit extension bar; the outer wall of the drill bit extension rod is provided with a plurality of guide bumps; by the structure setting, the drill bit body adopts a shape design that a spiral guide groove is provided, the guidance effect of the spiral guide groovecan reduce the vibration, at the inlet, of the drill bit body, can improve the guidance capability of the drill bit body, and can reduce hole deflection; and when the machining tool is used for machining a relatively deep hole, a plurality of guide bumps on the outer wall of the drill bit extension bar can effectively realize extension guidance so as to further guarantee the stability in machining of a center hole.

The invention relates to the field of standard assembly of underground mine cars, in particular to a bearing trolley, assembly conveying equipment, an underground mine car assembly line and an operation method of the underground mine car assembly line. The first station, the second station, the third station, the fourth station, the fifth station, the sixth station, the seventh station, the eighth station and the ninth station are sequentially distributed in the length direction of the cover plate. The bearing frame is arranged above the ground drag chain, and the bearing frame covers the third station, the fourth station, the fifth station, the sixth station and the seventh station; and suspension rail cranes are detachably connected to the positions, located above the fourth station, the fifth station, the sixth station and the seventh station, of the bearing frame correspondingly. Due to the fact that the ground drag chain is matched with the trolley to serve as a device for conveying the vehicle frame, the vehicle frame is conveyed at a constant speed or a variable speed, the vehicle frame passes through the first station, the second station, the third station, the fourth station, the fifth station, the sixth station, the seventh station, the eighth station and the ninth station, the vehicle frame is sequentially assembled and offline, and therefore standardized production is completed.

The invention provides a short text keyword extraction method and device.The method comprises the steps that a to-be-extracted keyword text and a text related to the source of the to-be-extracted keyword text are spliced, and a long text is obtained; performing theme classification on the long text by utilizing a set theme model to obtain theme classification data; and calculating a word importance score considering category statistical information based on the subject classification data to obtain keywords of the text to be subjected to keyword extraction. By means of the scheme, the problems that the short text is short and the data set deflects due to the fact that text differences in all fields are large can be solved, and therefore the accuracy of keyword extraction on the short text can be improved.