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.

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.

When a lower column 3 tilts upwards or downwards, a vehicular front end face 831 of a resin cover 83 having a small friction coefficient tilts slidably along a first guide surface 22A of a left-hand side plate 22 of a vehicle body mounting upper bracket 2. Consequently, since there emerges no situation in which the front end face 831 is caught on the first guide surface 22A of the left-hand side plate of the vehicle body mounting upper bracket 2, a smooth tilt position adjustment can be implemented without any abnormal noise. Further, in secondary collision, the front end face 831 of the resin cover 83 collides with the first guide surface 22A of the left-hand side plate 22 of the vehicle body mounting upper bracket 2, whereby frontward impact force can be transmitted to the vehicle body mounting upper bracket 2 in an ensured fashion.

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 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.

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.

The invention discloses a self-rotation workpiece shaft positioning and clutch mechanism used in an intelligent plane fine grinding machine. The self-rotation workpiece shaft positioning and clutch mechanism comprises self-rotation workpiece shafts, a positioning mechanism, a clutch control panel and a revolution mechanism, the multiple self-rotation workpiece shafts are provided and are uniformlydistributed on the revolution mechanism, the clutch control panel is arc-shaped and is arranged coaxial with a rotating shaft in the revolution mechanism, self-rotation driving shafts in self-rotation workpieces are connected with suction cup connecting shafts through a mechanical clutch mechanism to realize automatic clutch, when the mechanical clutch mechanism reaches the position of the top surface in the clutch control panel, the transmission between the self-rotation driving shafts and the suction cup connecting shafts is in a disconnected state, and the top surface is arranged right above the positioning mechanism. The self-rotation workpiece shaft positioning and clutch mechanism has a mechanical clutch function, when positioning needs to be performed, the connection between self-rotation driving motors and rotating bodies is disconnected through a clutch so that positioning of a workpiece platform can be performed smoothly.

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 provides a feeding device of a machine tool and belongs to the technical field of machine tools. The feeding device of the machine tool solves the problem that an existing feeding deviceof the machine tool cannot conduct circumferential locating feeding on polygonal bars, so that the polygonal bars cannot be automatically fed. The feeding device of the machine tool comprises an inclined feeding slide way. The two sides of the feeding slide way are provided with locating side plates. A material outlet end of the feeding slide way is provided with a material receiving platform. Abaffle opposite to a material outlet of the feeding slide way is fixedly connected to the material receiving platform. The material receiving platform is provided with a locating piece capable of moving into or out of the space between the sliding slide way and the baffle. The locating piece comprises two separated locating plates. The locating piece forms a locating groove between the two locating plates, and the locating groove is used for containing a workpiece. The two locating plates can be simultaneously opposite to the material outlet ends of the two locating side plates correspondingly. The feeding device of the machine tool can conduct circumferential locating feeding on hexagonal bars and other polygonal bars, so that automatic feeding of the polygonal bars can be achieved, and the work stability is good.

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 an automatic lifting platform capable of quickly running and locating with high precision, and an elevator. The automatic lifting platform comprises a supporting frame, a lifting moving platform arranged in the supporting frame, and a lifting driving mechanism which drives the lifting moving platform to make lifting motion, wherein guide rails are arranged on the supportingframe; rail wheels matched with the guide rails are arranged on the two sides of the lifting moving platform; the lifting moving platform moves up and down on the lifting moving platform; the liftingmoving platform comprises an operation vehicle and operation vehicle rails; rollers matched with the operation vehicle rails are arranged on the operation vehicle; the operation vehicle moving left and right on the operation vehicle rails; and a plurality of position clamping assemblies are arranged at the bottom of the lifting moving platform and used for performing position clamping on the lifting of the lifting moving platform so as to adjust the stop height of the lifting moving platform. On the premise of not resorting to a complicated control system and a control method, rapid running of the automatic lifting platform is realized by personal mechanical and structural features of the automatic lifting platform. The automatic lifting platform has the multiple advantages of stability in running, high velocity and precision in location.

The invention relates to a test tool for an upper crossbeam connecting plate at back of an automotive floor. The test tool comprises an iron stand and a pin tool, wherein wheels are arranged at the lower part of the iron stand, and a test tool body, clamping jaw bodies and a limiting seat are arranged at the upper part of the iron stand; the test tool body is arranged at the center of the iron stand, and the clamping jaw bodies are distributed around the test tool body; each clamping jaw body comprises a clamp seat, and the upper part of the clamp seat is connected with a clamp head; a clamp is arranged on the clamp head, and the clamping jaw bodies include two fourth clamping jaw bodies and two second clamping jaw bodies; the two fourth clamping jaw bodies are arranged at the front part of the upper end surface of the iron stand, and the two second clamping jaw bodies are arranged at the back of the upper end surface of the iron stand; a tapered pressure head is arranged on a clamp of a second clamping jaw, and a pressure head is arranged on a clamp of a fourth clamping jaw; a main positioning hole, a test hole and an auxiliary positioning hole are sequentially formed in the center of the upper surface of the test tool body from the front to the back. The test tool provided by the invention has the advantages of high positioning precision, good clamping effect and the like, the test efficiency of the upper crossbeam connecting plate at back of the automotive floor can be enhanced, the manipulation is convenient, the clamping and positioning are reliable, and the smooth test is ensured.

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 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.

The invention discloses a winding and unwinding mechanism. The winding and unwinding mechanism comprises a support, a winding assembly and a reel positioning and supporting assembly. The winding assembly and the reel positioning and supporting assembly are both arranged on the support, and the positions of the winding assembly and the reel positioning and supporting assembly on the support are adjustable in the axial direction of winding and unwinding of a material reel. When material rolls are fed and discharged, the reel positioning and supporting assembly serves as an auxiliary mechanism for feeding and discharging operation, manual feeding and discharging or automatic feeding and discharging can be met, the fed and discharged material rolls are accurately positioned and supported, the feeding and discharging speed of the material rolls is increased, and the production efficiency is improved. And a reel clamp in the winding assembly can conveniently and accurately clamp or loosen a reel to accurately position, so that the production efficiency is improved, the winding and unwinding stability and uniformity of the coil stock are improved, and the quality of the coil stock is ensured. In addition, the winding and unwinding mechanism is wide in winding and unwinding applicability to material rolls with different widths and sizes.

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.