73results about How to "Smooth positioning" patented technology

The present invention is related to a patient positioning imaging device for positioning a patient in a hadron therapy device provided with a rotatable gantry (20). The patient positioning imaging device comprises a rotatable structure (10) provided with an extensible arm or foldable pivoting arm (12) arranged for connecting an imaging beam source (121) and an extensible structure or foldable pivoting structure (14) arranged for carrying an imaging beam receiver (141). The rotatable structure (10) is arranged for taking CBCT shots of the patient while the patient is located in an offset position with respect to an isocentre of the hadron therapy device, said offset position being in the direction of a rotational axis of the rotatable gantry (20). The rotatable structure (10) is arranged for being rotated while the rotatable gantry (20) remains fixed, and while the extensible or pivoting arm (12) and the extensible or pivoting structure (14) are in extended or unfolded position.

Provided is a process unit positioning device which performs positioning of a plurality of process units with respect to an apparatus main body, including: a positioning plate in which bearing holes into which individual drum shafts are fitted and a fitted portion onto which positioning portion of the apparatus main body is fitted are formed; and a holder portion supported by the apparatus main body so as to be able to pivot while holding the positioning plate so that a position changes by contact between the bearing holes and the drum shafts.

The invention relates to a localization method, in particular to an indoor localization method which is used for carrying out building indoor horizontal localization on a terminal and indoor vertical localization between different floors and achieving seamless handover between indoor localization and outdoor GPS localization, and belongs to the technical field of short-distance wireless communication. The method includes the steps of determining the localization line and the path point, installing a wireless signal source, building a standard single database, carrying out first localization of the terminal, carrying out secondary localization of the terminal and the like. By means of the indoor localization method, precise localization of the localization target on every floor in the building can be achieved, and the localization accuracy is high; meanwhile, seamless and quick handover of indoor-outdoor localization can be achieved through indoor-outdoor handover localization, and the localization process is continuous and free of dead space.

The invention relates to a full-automatic multifunctional telescopic limo which is characterized by comprising a cab, a living accommodation and a working accommodation of the limo, wherein the working accommodation is an expansion accommodation; a center top plate is arranged on the working accommodation; both sides of the working accommodation are provided with a left telescopic wallboard and a right telescopic wallboard; top plate sliding extension and retraction devices are respectively arranged on the tops of the left and right telescopic wallboards; floors are respectively arranged at the bottoms of the left and right telescopic wallboards; the floors are in a translation folding form; and both sides of the left and right telescopic wallboards are respectively provided with front and rear wallboard translation extension and retraction devices.

The invention belongs to the field of mechanical devices and provides a connector plug-in machine of a liquid crystal display. The machine comprises a fixing frame, a liquid crystal display grabbing assembly, a liquid crystal display positioning assembly, a connector grabbing assembly and a connector positioning assembly, wherein the liquid crystal display grabbing assembly is arranged on the fixing frame and used for grabbing and moving the liquid crystal display; the liquid crystal display positioning assembly is arranged on the fixing frame and used for obtaining position information of theliquid crystal display and enabling the liquid crystal display grabbing assembly to be adjusted correspondingly; the connector grabbing assembly is arranged on the fixing frame and used for grabbinga connector and driving the connector to move; and the connector positioning assembly is arranged on the fixing frame and used for obtaining position information of the connector and enabling the position of the connector grabbing assembly to be adjusted correspondingly. Compared with the prior art, the connector plug-in machine of the liquid crystal display has the advantages that the machine canreplace manpower to enable the electrical connector to be plugged in an electrical interface, damage to the vision of a worker is avoided, and the labor intensity of the worker is relieved.

A refrigerator and/or freezer with an appliance carcass, can be closed by at least one door, and a powered door operating device for automatically operating the door. The door operating device has drives both automatically opening and closing the door.

The invention discloses a squeezing type juicer. The squeezing type juicer comprises a base, a squeezing assembly mounted on the base, and a feeding assembly buckled on the squeezing assembly. A drive component is disposed inside the base, and a drive shaft is arranged at the top of the base. The squeezing assembly comprises a cup body, a meshed barrel fixedly mounted in the cup body and a screw rod located in the meshed barrel. The cup body is provided with a juice outlet and a pomace draining channel. A juice collection annular groove is formed at the bottom of the cup body and is communicated with the juice outlet. A pomace collecting annular groove is formed at the bottom of the meshed barrel and is communicated with the pomace draining channel. According to the invention, a rotating brush, a transmission mechanism of the rotating brush and a transmission gear located at the bottom of the screw rod in the prior art are omitted, so that the juicer is simpler in structure, is lower in failure rate, is prolonged in service lifetime, is more stable in operation, and is more convenient to wash.

The invention discloses a detachable ice-resistant device applicable to an offshore nuclear power platform. The detachable ice-resistant device applicable to the offshore nuclear power platform comprises an ice-resistant cone and a self-locking device, wherein the ice-resistant cone is formed by two semicircular truncated cones through connection of the large-caliber end surface and is axially divided into two cones, certain side surfaces of the two cones are rotatably connected, and the other side surfaces are locked through the self-locking device; the ice-resistant cone further comprises a columnar cylinder which is connected along the axial direction; the ice-resistant cone sleeves a pile leg to be installed on the offshore platform; the self-locking device comprises a self-locking body and a locking fastener, the self-locking body is arranged on one cone and the locking fastener is arranged on the other cone; the self-locking body realizes the locking ur unlocking between the two cones. The detachable ice-resistant device applicable to the offshore nuclear power platform has the advantages that since the columnar cylinder adopts semicircular cylinder structures to clamp the pile leg and fixing pins are welded inside, smooth positioning is realized during installation of the ice-resistant device; the ice-resistant device can satisfy the need of repetitive installation and removal; the ice-resistant cone can reduce ice load and ice-induced vibration, and can prevent the platform from being damaged by sea ice.

The invention discloses a cover buckling device with a positioning star wheel. The cover buckling device comprises the positioning star wheel, wherein the positioning star wheel comprises a rotating shaft and a star wheel; the star wheel is fixed on the rotating shaft; the edge of the star wheel is provided with a plurality of groove bodies; the groove bodies are matched with a tank body requiring the covering buckling. The cover buckling device has the advantages that the positioning star wheel is added; the edge of the start wheel is provided with the plurality of groove bodies, so that the start wheel can orderly and accurately position on the tank body requiring the covering buckling on running water; the problem of cover buckling incapability caused by positioning inaccuracy since sliding can occur when magnetic fixation is used in the prior art is prevented; meanwhile, the tank body requiring the covering buckling is not limited by magnetic materials; tank bodies made of glass and plastics can be used in the cover buckling device.

The invention discloses a material fine-grinding and cutting material platform for an intelligent positioning plane fine-grinding machine. The material fine-grinding and cutting material platform comprises a multi-station revolving platform and a dovetail positioning mechanism, wherein the dovetail positioning mechanism is used for accurately positioning the multi-station revolving platform. In order to overcome defects in the prior art, the material fine-grinding and cutting material platform for the intelligent positioning plane fine-grinding machine is provided; according to the material fine-grinding and cutting material platform, the automated switching among a plurality of stations can be achieved, the rough polishing operation and the fine polishing operation can be performed simultaneously, and then the production efficiency can be improved; and meanwhile, the material fine-grinding and cutting material platform has the positioning function, so that the accurate pick-up and placement of a workpiece can be achieved.

The invention discloses a different-diameter guiding combined cutting tap or combined cutting cone which comprises screw blades and a screw shank. The different-diameter guiding combined cutting tap or combined cutting cone is characterized in that an anti-crack slitting table or anti-crack guided cutting table is arranged on the cutting edge surface of each anti-crack screw blade of the tap or cone, the relationship between the height of each anti-crack slitting table or efficient slitting table and the height of an inside adjacent efficient slitting table is defined as the formula that the heights of the anti-crack slitting table or efficient slitting table and the inside adjacent efficient slitting table are calculated by multiplying a feed amount by a product, the cutting feed amount is small while the multiplied product is large when a workpiece is high in hardness or viscosity while a cutter is large, the cutting feed amount is small while the multiplied product is large when the workpiece is high in hardness or viscosity while the cutter is small, the cutting feed amount is large while the multiplied product is small when the workpiece is low in hardness or viscosity while the cutter is large, and the cutting feed amount is large while the multiplied product is small when the workpiece is low in hardness or viscosity while the cutter is small.

The invention discloses a crankshaft rotating speed sensor positioning tool. Thecrankshaft rotating speed sensor positioning tool comprises: a first tool step, wherein a clamping block is welded to one end of the first tool step, a handle is welded to the other end of the first tool step, and an anti-disengaging head is welded to the end, away from the first tool step, of the handle; a second tool step, wherein the second tool step is embedded in the side surface of the handle, and a limiting step is welded to the side face of the second tool step; and a knob, wherein the knob is nested on the outer side of the anti-disengaging head, wherein a threaded rod is fixedly connected to the middle position of the inner side of the knob. According to the invention, the crankshaft rotating speed sensor positioning tool can quickly and accurately position the mounting position of the crankshaft sensor bracket, so that the crankshaft rotating speed sensor can be smoothly mounted, the working efficiency is improved, the crankshaft rotating speed sensor positioning tool can be matched with different brackets, and the adaptability is improved.

The invention relates to a loose-leaf ring for retaining loose-leaf pages comprising: two half ring members for retaining loose-leaf pages; and a resilient connector for movably connecting two half ring members. The loose-leaf ring according to the invention is easy to open and close and is not likely to deform, and allows loose-leaf pages retained by it to be turned easily.

The invention discloses an intelligent table tennis ball picking robot and a control method thereof and relates to the field of intelligent control functional robots. The robot has a simple structure,is reliable and durable and can accurately locate the positions of table tennis balls in a space by utilizing a binocular vision recognition and locating system, and through a combined structure of abase and a picking barrel, the robot can successfully pick up the table tennis balls at corners; the robot has an automatic obstacle avoidance function during operation, the efficiency and flexibility of picking the table tennis balls are improved, and the accuracy rate and success rate of picking the table tennis balls are increased; after partial parts are damaged, replacement is convenient, and the maintenance cost is low. In addition, the robot has the advantages of long recognition distance and high controllability; through a 20,000 mAh lithium battery arranged inside, the power consumption is low, and the standby time is long. The robot is high in intelligentization degree and has the advantages of simpler structure, lower cost and high picking efficiency in comparison with a functional robot which takes a mechanical arm as a picking device in the market. Through the design of a table tennis ball recognition model, a new thought and an innovative direction are provided for the design of follow-up table tennis ball picking robots.

The invention discloses a table area identification model generation method and device and a table positioning method and device, and the method comprises the steps: obtaining a plurality of documentpages comprising at least one table, and converting the document pages into an image which serves as a sample image; obtaining the distance between each first unit area in the sample image and each table title, and obtaining whether each first unit area in each sample image is an identifier of any one table area or not; and taking the sample image, the obtained distance and the obtained identifieras a training sample set, iteratively training a pre-constructed deep learning network model, and generating a table region recognition model for recognizing whether the table region is a table region or not. As a large number of training samples are adopted to train the deep learning network model, the generated table area identification model is a stable model, the success rate of table identification is improved, and the smooth proceeding of the subsequent table positioning process is ensured.

The invention discloses an online grinding quality control system based on laser sensing. The system comprises a grinding module, the grinding module comprises grinding heads, a spacial six-degree-of-freedom motor electrically connected with the grinding heads and a gearbox connected with a main shaft of the spacial six-degree-of-freedom motor, and the grinding heads are assembled on an output shaft of the gearbox; the online grinding quality control system further comprises a roughness measuring module for measuring the roughness of a ground plane which is ground just now, and the roughness measuring module comprises a laser pulse generator, a grating capable of adjusting the luminous flux and a laser receiving sensor. The invention further discloses an online grinding quality control method based on laser sensing. The online grinding quality control system and method based on laser sensing can achieve online grinding quality detection and online control adjustment and improve the grinding production efficiency and the grinding quality.

An electronic device carrier comprising a base and rolling devices. When an electronic device is removed from a receiving chamber of the base, the rolling devices can reduce friction effectively and resilient force of the rolling device can fix the electronic device in the receiving chamber. The electronic device carrier further includes a transmission unit for transmitting data whenever the electronic device is positioned in the receiving chamber.

The invention relates to the technical field of preparation of high-purity glucosamine sulfate, and discloses stirring equipment for preparing the high-purity glucosamine sulfate. The stirring equipment comprises a supporting frame, the supporting frame is in an inverted 9 shape, the supporting frame is divided into an upper inner cavity and a lower inner cavity, the interior of the supporting frame is of a hollow structure, and a small motor is fixedly connected to the lower surface of the interior of the upper cavity of the supporting frame. A pull rod is pulled forward to move a positioningrod forwards, the positioning rod moves forwards to drive a clamping plate I to move forwards; a partition plate moves forwards in a box; a spring is pressed, the bottom of a glass rod penetrates through the interior of a fixing hole, the pull rod is loosened, the spring is reset, the positioning rod and the clamping plate I move backwards to clamp the glass rod, after the clamping plate I clampsthe glass rod, a fixing bolt is rotated, the rear side of the fixing bolt makes contact with the front side of the partition plate, and then the glass rod is clamped and fixed for the second time.