61results about How to "Anti-rotation" patented technology

The invention discloses a method for detecting and recognizing the tying of a safety belt of a driver based on interval-maximizing and multi-sample dictionary learning. The method comprises the following steps: treating a driver-containing data-concentrated part of a windshield of a left half car as an image to be processed for input; acquiring a feature vector representation of each image; performing dictionary learning process for a training data set by an interval-maximizing and multi-example manner; respectively training an SVM (Support Vector Machine) multi-classifier for each type in the training data set after clustering to obtain a classifying model; coding the training data through the acquired dictionary; training the classifier through the coded feature vectors; detecting and recognizing an image to be recognized through the trained classifier, so as to determine whether the safety belt is tied from the image to be recognized. According to the recognizing method and system for the safety belt, the safety belt can be simply and easily detected and recognized, the popularization capacity is high, the detection and recognition accuracy is high, and the speed is fast; in addition, the influences of illumination and noise and other adverse factors can be effectively overcome.

The invention discloses an integrated drink preservation barrel system. The integrated drink preservation barrel system comprises a housing and an inner container wrapped by the housing, wherein the inner container is divided into two layers, and comprises a gas storage tank arranged at the upper layer and used for storing gas and a drink barrel arranged at the lower layer and used for storing liquid drinks; the gas storage tank and the drink barrel are coaxially arranged up and down; a gas channel which can be communicated or cut off is formed between the gas storage tank and drink barrel; the drink barrel is provided with a liquid outlet end and a flow-out liquid channel which enables the liquid outlet end to be opened or closed; a control system is arranged above the gas storage tank and used for controlling the connection and disconnection of the gas channel and controlling the start and stop of the flow-out liquid channel in a linked manner. According to the integrated drink preservation barrel system, as the gas storage tank, the drink barrel and an ice cake accommodating area are sequentially arranged in the housing from top to bottom to form an integrated structure, the integrated drink preservation barrel system is compact in structure and convenient to carry, can maintain the flavor and the taste of beer to the last drop, and therefore, can be widely applied to various occasions such as parties, sport matches, caterings, feasts and outdoor tours.

The invention discloses a reinforcing interface nail. The reinforcing interface nail comprises a top, wherein a thread portion is connected onto the top, the top and the thread portion are of integrated structure, a thread is arranged on the surface of the thread portion, the outer edge of the thread is smooth and flat, and a reinforcing groove is further formed in the surface of the thread portion. The reinforcing interface nail is simple in structure, can effectively avoid screwing loosing, and further can avoid the problem that a graft is invalid in fixation, caused due to the fact that a traditional interface nail cuts ligaments.

The invention discloses a laser welding machine with a laser head provided with a protection assembly. The laser welding machine comprises a transverse arm, and the transverse arm is installed on thelaser welding machine. The laser head is installed at the front end of the transverse arm. A first fixing block is welded to the front end of the transverse arm, and a servo motor is fixed to the upper end of the first fixing block. The end portion of an output shaft of the servo motor is fixedly provided with a screw rod through a coupler, and the lower end, away from the servo motor, of the screw rod is rotationally connected with a supporting disc through a bearing. The supporting disc is fixed to the lower side of the laser head, and a transmission nut is connected to the screw rod in a threaded transmission manner. A moving disc is inlaid in the outer side of the transmission nut, and a through hole is formed in the center position of the moving disc. The laser head penetrates the moving disc through the through hole, and a protection cover is arranged on the outer side of the lower end face of the moving disc. The laser head is located in the center position of the interior of the protection cover, and a guide mechanism is arranged on the side, away from the screw rod, of the moving disc. The periphery is isolated and protected when the laser head works, and safety is high.

The invention relates to a bearing bushing structure, which comprises a bearing bushing cylinder 1 and a groove 1d arranged in the bearing bushing cylinder 1 and passing through two ends of the bearing bushing cylinder 1. The groove 1d has a large gap when the bearing bushing is in a free state. After the bearing bushing is mounted, radial elastic deformation is generated for the bearing bushing. As radial elastic deformation of the bearing bushing is adopted to serve as a compensation mode, radial interference quantity changes caused as different materials and working temperature changes can be automatically compensated, the applied force between the bearing bushing and the bearing is more stable, the use temperature has a wide change range, and as no particular large interference assembly stress is needed, the overall structural weight is reduced.

The invention relates to a method for identifying fingerprints on the basis of a four feature point topological structure, in particular to a method for indentifying the fingerprints to solve the problems in a method for identifying the fingerprints on the basis of feature points that the influence of redundant eigen points is bigger, the noise resisting ability is bad, the reliability is worse and spatial information is not considered. The method comprises: correcting with a pair of center points and triangulation points in two images, respectively arranging the feature points in a database image and an image which needs identifying after correction according to the distance from the image center points in an ascending order, respectively constructing four-point models for the database image and the image which needs identifying after the correction, matching the features points in the database image and the image which needs identifying after the correction, stating the logarithm of matched feature points in the database image and the image which needs identifying after the correction, and judging whether the two images are from one fingerprint. The invention reduces the dependency of a matching algorithm to the location of the core, increases the reliability and the noise resisting ability of the algorithm, and considers the spatial information of the feature points.

The invention relates to the technical field of electric machines, in particular to a motor shaft reduction mechanism including a motor shaft, a motor rear end cover, The motor shaft end part is provided with a friction sleeve which is in contact with the motor shaft end face, the friction sleeve is connected with the motor rear end cover, an elastic member which causes the friction sleeve to be attached on the motor shaft end face is arranged between the motor rear end cover and the friction sleeve, the end face is frictionally, and the motor shaft has self-locking force under the power-off state, the rotational inertia is eliminated, and the effect of decelerating or stopping rotation is good.

The invention provides a lateral support structure for an eighteen-roll mill. Sectional spindles are connected by seam allowances so as to form a whole spindle; a plurality of backing bearings are uniformly distributed on the spindle; the backing bearings are free from inner ring; separating plates, sealing baffle rings and adjusting rings are designed at the two ends of each of the backing bearings; a hole is formed on each of the adjusting rings; pin shafts penetrate through the holes; grooves are formed on the separating plates and the sealing baffle rings; the pin shafts are blocked in the grooves, so as to achieve an anti-rotating function. The lateral support structure is free from the thickness of the inner ring, the diameter of the spindle can be effectively increased and the support rigidity of the spindle can be increased; due to the design of the sectional spindles, the quantity of the lubricating points corresponding each independent lubricating pipeline is halved and the lubricating efficiency is doubled; the bearings away from the oil gas inlet also can be effectively lubricated; the reliability of the lateral support structure is obviously increased; the lateral support structure especially can stably and reliably support under the serious working conditions, such as, rolling for wider strips and larger support force on the rolling side.

The present invention provides a cylindrical battery negative electrode end cover and a cylindrical battery thereof. The cylindrical battery negative electrode end cover comprises a top cover sheet, ariveting block located above the top cover sheet and isolated from the top cover sheet, and a negative electrode column fixedly connected with the riveting block, wherein the top cover sheet is provided with a first negative electrode installation hole and a second negative electrode installation hole; the negative electrode columns comprise a first negative electrode column and a second negativeelectrode column which are respectively installed in the first negative electrode installation hole and the second negative electrode installation hole in an insulating manner, and the top cover sheet is provided with an overturning sheet located between the first negative electrode column and the second negative electrode column. When the internal air pressure of the battery exceeds a preset value, the overturning sheet is driven by air pressure to overturn towards the riveting block and is in contact with the riveting block so as to be electrically connected with the top cover sheet and thenegative pole. Due to the arrangement of the multi-negative-pole structure, the overcurrent capacity can be improved, the anti-rotation effect can be achieved, the riveting block can serve as an external output component and can also be combined with the overturning piece to form a safety device, the structure is good in compactness, the extra height size is not increased, the volume energy density is high, and the requirements of an existing high-energy-density battery can be met.

The invention discloses a ball valve upstream and downstream seal control method and a control system. According to the method, each of an overhaul seal entering cavity pipeline, an overhaul seal exiting cavity pipeline, a working seal entering cavity pipeline and a working seal exiting cavity pipeline located between a ball valve pressure oil tank and a seal control cabinet is provided with a first valve, a second valve, a third valve and a fourth valve; and during regular check and defect elimination of a unit, the seal control cabinet is manually shielded through closing the first valve, the second valve, the third valve and the fourth valve. The control system comprises the ball valve pressure oil tank, the seal control cabinet, the overhaul seal entering cavity pipeline, the overhaul seal exiting cavity pipeline, the working seal entering cavity pipeline and the working seal exiting cavity pipeline, and each pipeline is provided with the first valve, the second valve, the third valve and the fourth valve. When being used for overhauling the unit, the ball valve ball valve upstream and downstream seal control method and the control system not only can be used for improving the safety, but also have the advantages of high overhaul efficiency, short unit exiting time, low manpower cost and high generating capacity.

A correlation detector of infrared consists of circuit board set with infrared emission circuit, tube body, optical filtering board, top tube cup, bottom tube cup, base and indication lamp. It is featured as setting said tube cups on tube shaft in integral mode, inserting tube shaft set on base into support, enabling tube body to rotate for adjusting tube body to be on optimum correlation angle and enabling to stop rotating of tube body after erection.

The invention relates to a bin penetrating structure of cable sealing. The structure is applied into an underwater propulsion motor. When power electricity or a signal is transmitted to a control driver by a power cable or a control cable of the motor, a medium in the motor and a medium in the control driver can be isolated with each other through connecting the power cable or the control cable inthe motor with the power cable or the control cable in the control driver by the structure, namely, a cable sealing structure under the condition of bin penetrating of a cable from a liquid side to an air side is achieved. The structure is simple, is convenient to install and is reliable in sealing and low in cost, the structure is convenient and flexible to install and use, a copper core is usedfor transferring an electric signal or the power electricity, two ends can employ a welding mode, and connection also can be achieved by a wiring terminal as long as a press nut is pressed; and the structure is high in reliability, materials of an insulation sealing sleeve and an insulation sealing cushion employ polytetrafluoroethylene, insulation is ensured after pressing, and meanwhile, the pressure of 20MPa or above can be borne.

The invention discloses a field depth expanding method of a microscopic image, comprising the following steps: selecting a reference image to carry out colorful space conversion on a source image; matching images in a converted colorful space so as to fuse and reconstruct the image aligned to the space; and finally, obtaining an anti-color-cast result image. The invention also discloses a field depth expanding device of the microscopic image, comprising an image reference module, an image conversion mould, an image matching module, an image fusing module and an image reconstructing module. As the method and the device, disclosed by the embodiment of the invention is adopted, field depth expansion can be rapidly carried out on a blurred picture sequence which has larger rotation and scale zooming, caused by different reasons, so that a clear reconstructed image is automatically synthesized, and a color cast problem of the field depth expansion of a colorful image is effectively solved; and meanwhile, the time complexity and the space complexity of an algorithm are very low and can be realized by very low hardware cost. The field depth expanding performance, the processing speed, the cost performance and the like of the method and the device are better than those of the existing field depth expanding system.