31results about How to "Reduce position" patented technology

The invention discloses a 3D printing method for adding reinforcement-ratio based directional fibers into binding materials. The technical idea of the invention is to convert the amount of the corresponding cross-section steel bars into the corresponding amount of the drawn fibers, and according to the direction and position of the reinforcing bar arrangement, and to arrange the reinforcing bars in the fixed direction, fixed quantity and position. The 3D printing method comprises, step 1, using the 3D printer technology with two printing heads, one of which is to print normal concrete layer by layer; step 2, when in the reinforcing bar position to be printed, using the other printing head to print steel fibers by being perpendicular to the concrete according to the needed fiber amount; step 3, inserting the steel fibers into the printed concrete and reserving a part of length outside the layers; step 4, when to print the next layer of concrete, covering the exposed fibers with the reprinted concrete, and having the fibers printed later overlapped in the length direction so as to ensure the transmission of bond anchor force; and others.

The invention discloses a display module and a display device, and relates to the technical field of display, comprising a cover plate and a display screen, the display screen comprises a display area, a first non-display area and at least one first hollow part penetrating through the display screen in the thickness direction of the display screen, wherein the first non-display area surrounds or semi-surrounds the first hollow part, and the display area surrounds or semi-surrounds the first non-display area; the backlight module comprises a second hollow part which corresponds to the first hollow part and penetrates through the backlight module in the thickness direction of the second hollow part; the backlight module also comprises a metal frame, wherein the metal frame comprises a main body part corresponding to the display area and a first bending part which is connected with the main body part and arranged on the inner side wall of the second hollow part, and the first bending partis opaque; the first bending part is intersected with the plane where the main body part is positioned, and the end part of the first bending part far away from the main body part extends into the first hollow part. By extending the first bending part, the possibility that light rays in the backlight module leak to the corresponding positions of the first hollow part and the second hollow part iseffectively reduced.

The invention relates to projecting device and method for automatically adjusting an imaging size. The projecting device projects an image signal on a screen in a corresponding imaging size according to the input image size and comprises an input unit, a detecting unit, an image receiving unit, a searching table, a shifting unit, a processing unit and an x-ray apparatus, wherein the input unit receives the image size; the detecting unit detects an initial space parameter between the projecting device and a screen; and the processing unit searches a corresponding preset size, a preset space parameter, a preset optical parameter and a preset image parameter in the searching table according to the image size, drives the shifting unit to adjust the position of the projecting device according to the preset space parameter and the initial space parameter, processes an image signal received by the image receiving unit according to the preset image parameter and controls the x-ray apparatus to project the imaging size on the screen according to the preset optical parameter.

A method of blasting plural layers of material (38, 40, 42, 44) in a blastfield (16) that reduces the amount of mechanical excavation required to expose a lower layer of material. The method includes using rows of equally spaced blastholes (18, 20, 22, 24) that pass through all of the layers and additional intermediate rows of blastholes (26, 28) that pass down only through top layer (40). Each blasthole is capped with stemming material and includes one or more decks of explosives material (46) and detonators (48), with air decks or inert stemming (45) separating adjacent explosives decks (46). The detonators in layer (40) are detonated first in order from row (18) rearwards to throw a substantial amount of the blast material from layer (40) forwardly of free face (12) onto floor (34). In the same blasting cycle and within seconds of the throw blast, explosives material in layers (42, 44) is detonated in a stand-up blast in which material in layers (38, 42, 44) is broken up but otherwise minimally displaced or thrown forwardly. Layers (38, 44) may be coal seams which are separated by interburden layer (42) and covered by overburden layer (40).

The invention discloses a tracking and aiming system and an adjusting method, and belongs to the technical field of laser communication. The tracking and aiming system comprises a coarse aiming device, a fine aiming device, a third reflector, a 1/4 wave plate, a polarization splitting prism, an S linear polarization light source, a collimator, a first optical filter, a focusing lens, a second optical filter, a second linear polarizer, a non-polarization splitting prism, a third linear polarizer, a third optical filter and a prime lens. The coarse aiming device comprises a first reflector anda capturing and tracking detector, the capturing and tracking detector is in communication connection with the first reflector, the fine aiming device comprises a second reflector and a four-quadrantdetector, and the four-quadrant detector is in communication connection with the second reflector. Compared with the prior art, the tracking and aiming system has the advantages that the coarse aimingdevice and the fine aiming device are combined, high tracking and aiming precision can be achieved,the influence of stray signals on CCD image processing and PSD positioning precision can be effectively restrained, and the possibility of position misjudgment and tracking and aiming signal loss is reduced.

The invention provides an image acquisition and processing method and device for three-dimensional scanning and three-dimensional scanning equipment. The three-dimensional scanning image processing method comprises the following steps: synchronously acquiring a projection pattern of first wavelength light and an illumination image of second wavelength light projected on a measured object, and acquiring a color texture image of the measured object. Through the method and the device, the problem of texture dislocation caused by time difference and position difference between the three-dimensional reconstruction data and the color texture map in the prior art is solved, so that the effects of high accuracy, low production cost and low time consumption of the texture map are achieved.

The invention discloses a concrete anti-seepage instrument with automatic feeding and electromagnetic sealing functions and an anti-seepage test method. The concrete anti-seepage instrument comprises a detection cabinet, an electromagnetic sealing mechanism and an automatic feeding mechanism, wherein the electromagnetic sealing mechanism comprises a plurality of groups of electromagnetic sealing iron rings and an electromagnetic suction disc; the electromagnetic sealing iron rings are fixed on the detection cabinet; the electromagnetic suction disc is fixed on the detection cabinet and is in transmission connection with a step motor; the electromagnetic suction disc can cover the open end of the electromagnetic sealing iron rings; the automatic feeding mechanism comprises a group of support frames in opposite arrangement, a horizontal sliding rail fixed on the support frames, a moving seat capable of doing reciprocating movement along the horizontal sliding rail, a horizontal motor in transmission connection with the moving seat so as to push the moving seat to move, a mechanical hand arranged on the moving seat, and a vertical push rod motor in transmission connection with the mechanical hand. The system has the advantages that the control structure is optimized; the feeding and detection full automation are realized; the long-time monitoring on the experiment site by labor can be avoided; the use efficiency is improved.

The invention relates to the technical field of casting, in particular to a core setting size control device and method for an annular casting. The core setting size control device for the annular casting comprises a rotary shaft which is vertically arranged. A fixed base is arranged at the bottom of the rotary shaft, and a rotary bearing is fixedly arranged on the rotary shaft. A connecting rack is fixedly arranged on the outer circle of the rotary bearing, and is fixedly connected with a cross beam. The tail end of the cross beam is fixedly connected with a vertical beam. The lower portion of the vertical beam is fixedly connected with a clamping plate, and the shape of the clamping plate is matched with the radial contour of a cavity of the annular casting. By the adoption of the device, the core setting size and position accuracy of all combined sand cores can be accurately controlled in the core setting process of the large-scale annular casting; moreover, the technological processes of repeatedly adjusting the positions and sizes of the sand cores and conducting repeated measurement in the core setting process are effectively reduced, and the core setting operational process is simplified.

The invention relates to a dual-rotor mechanical flow sensor. The dual-rotor mechanical flow sensor is characterized in that an impeller thereof adopts a dual-rotor impeller and comprises a main rotor, an auxiliary rotor, an impeller body, an impeller shaft and a sensing element; the operating method comprises the following steps: the dual-rotor impeller is pushed to rotate by fluid; the main rotor is used for transforming the rotation of the impeller at the instantaneous velocity of the fluid passing through a measuring room; the auxiliary rotor generates a downward propelling axial force under the action of axial force of the fluid; a counterforce upwardly pointing to a cavity at the top of the measuring room is reacted on the fluid when the dual-rotor impeller rotates, so that a part offluid is extruded and the residual air at the top of the measuring room is discharged; and the fluid flows out of a water outlet opening through the measuring room to finish measurement. The invention has the advantages that the air at the top of the measuring room can be evacuated to generate turbulent flow favorable for the flow characteristic, thereby improving the flow characteristic of the flowmeter; and a trend of downward movement is provided for the auxiliary rotor under the action of axial force of the fluid by using the dual-rotor technology so that the impeller works basically at the lowest axial position.

The invention provides a gasbag cover for covering the folded gasbag. The cover is mould shaped by synthetic resin, and includes a thin prefabricated fracture section which extends linearly and which will be cracked by being top pressed when the gasbag expands thereby forming an opening for projecting from which the gas bag can projects out. A cutting blade of processing tool is employed to make groove notch on the back surface of the molded cover to form the prefabricated fracture section. A cutting blade housing section is set in a concave manner, at the starting end and the stop end of the cutting processing (making notch on the cover), thereby accepting the cutting blade of the cutting tool.

A yarn winding device includes a package driving unit that rotates a bobbin; a rotational-speed detecting unit that detects a rotational speed of the bobbin; a traverse guide that traverses a yarn to be wound around the bobbin; a traverse-guide driving unit that drives the traverse guide; a traverse control unit that controls driving of the traverse guide; and a target-position-command determining unit that determines a pre-correction target-position command for the traverse-guide driving unit from the rotational speed of the bobbin. The traverse control unit calculates a post-correction target-position command from a target-position correction amount, which is a feed-forward component depending on a detection delay time of the rotational-speed detecting unit and a response delay time of the traverse-guide driving unit, and the pre-correction target-position command, and controls the driving of the traverse-guide driving unit according to the post-correction target-position command.

The invention discloses a construction method of an open type stone curtain wall, and belongs to the technical field of building construction. The construction method comprises the steps that 1, a three-dimensional information model is built, checked and corrected by utilizing a BIM (building information modeling) technique; 2, curtain wall calculation software is utilized for calculating the keyinformation such as location and size; 3, purchasing and processing work is conducted on main and auxiliary materials; 4, an embedded piece is pre-embedded; 5, surveying and setting out is conducted,and the embedded member is checked and adjusted; 6, waterproof and heat insulation construction is conducted on a building wall; 7, uprights and cross beams are mounted; and 8, waterproof plates and stone panels are mounted. The construction method utilizes the BIM technique to conduct data analysis on the design scheme of the stone curtain wall, accurate control is achieved, the utilization rateof stone materials can be effectively improved, the phenomenon that reworking is required due to inappropriate location of the embedded memberv which is easily caused in a traditional construction method can be reduced, the construction quality is effectively improved, and the excellent sensory effect of the open type curtain wall of a building is ensured.

The invention belongs to the technical field of light source devices, and particularly relates to an image recognition system light source device which comprises a light source lamp holder. An inserting plate is arranged at the end of the light source lamp holder, a through type fixing groove is formed in the bottom end of the middle of the inserting plate, and an assembling cavity matched with the inserting plate is formed in the outer portion of the inserting plate. The top surface of the assembly cavity is provided with an installation groove and an insertion groove for the light source lamp holder and the insertion plate to be inserted in, the bottom end of the insertion groove is provided with a pressing plate, one side of the pressing plate is provided with a fixing rod, the top endof the fixing rod is provided with a connecting plate, and one side of the connecting plate is connected with a push rod. According to the invention, through respectively arranging different light source lamp caps on the plugboard, and the assembly cavity matched with the plug board is arranged for fixing, so that different light source lamp caps can be quickly and safely mounted and used, the light source lamp caps can be adaptively replaced and adjusted according to different shooting environments, and the working quality of the image recognition system is effectively improved.

The invention relates to the field of mobile communication networks, and discloses a method for dividing a POOL zone of the mobile communication network, which comprises the following steps: the first step, confirming the number M of the POOL zones of a plan service zone; the second step, acquiring an MSC exchange zone map of a current network: by an MAPinfo or a googleearth tool, inputting cell identification codes CELL ID and longitude and latitude information of all base stations of the plan service zone, obtaining the MSC exchange zone map of the current network, and numbering each MSC exchange zone; and the third step, carrying out POOL zone division on the plan service zone according to a principle of zone continuity.

The invention discloses a nanoscale precision piezoelectric driving linear displacement table which comprises a matrix, a sliding rail, a driving base, a flexible mass block, a piezoelectric driving unit, a position sensor unit and a stick-slip friction assembly. The flexible mass block and the piezoelectric driving unit are matched through a spherical contact and a spherical concave surface, a self-positioning function is realized, it can be effectively guaranteed that a stress point does not deviate, and the requirements for machining precision and assembling precision are lowered. Comparedwith a traditional point contact or plane contact mode, the contact area is increased, and the service life is prolonged. A flat bridge part on the flexible mass block has an elastic function and canaccept certain deformation, so that the influence of installation errors on plane contact is effectively eliminated. In addition, the whole structure of the nanoscale precision piezoelectric driving linear displacement table is simple and compact, the size is small, the sliding rail is driven in a stick-slip mode without up-down friction, and only single friction in the stick-slip motion exists, so that the power loss and the requirements for other parts are effectively reduced, the working stability is good, and the application range is wide.

The invention discloses an aquaculture water body in-situ substance recycling device and application thereof. The recycling device is applied to the aquaculture production process and comprises a supporting system, a plant bait culture system, an animal bait culture system, an underwater lighting system and a water circulation driving system located in the plant bait culture system. The supporting system comprises a supporting bracket and a floating ball fixedly installed on the supporting bracket. The plant bait culture system comprises a supporting frame, an inner ring netting and a plant layer. The animal bait culture system comprises a fixing frame, an outer ring netting and an animal layer. The problems that in the factory-like circulating aquaculture process, a water treatment unit is high in manufacturing cost, additional independent equipment space is needed, and the operation cost is high are solved, a water treatment mode for in-situ cyclic utilization of biogenic substances is established, additional bait is provided, the water quality is improved, and the pressure and load of the water treatment unit are reduced.

According to a high-standard farmland acceptance method based on a multi-rotor unmanned aerial vehicle provided by the invention, a measurement mode of improving a land reclamation project through unmanned aerial vehicle measurement is achieved, the function of visually and efficiently measuring the high-standard basic farmland construction progress is achieved, and monitoring of the construction progress and acceptance results is facilitated. According to the invention, the low-altitude unmanned aerial vehicle photogrammetry technology is adopted to carry out low-altitude aerial photography on main engineering facilities such as canals and production roads in a high-standard project area, and then data processing is carried out to generate orthoimages and line maps, so that information such as spatial positions, spatial distribution, lengths and the like of the canals, the roads and the facilities is accurately reflected; whether the channels, the roads and the facilities are changed or not can be quickly checked by nesting the images and the planning data, the defects of traditional manual measurement are effectively overcome, interference of human factors is reduced, the working intensity of field operation workers is reduced, and the high-standard project rechecking efficiency is improved. And the management level of a high-standard supervision department is improved.

The invention relates to the technical field of steel plate straightening, and discloses a steel plate straightening device, which comprises a rack, a storing table and a hydraulic mechanism located above the storing table. A straightening mechanism is arranged on the hydraulic mechanism and comprises a driving part and a straightening plate fixed to an output shaft of the driving part; adjustingmechanisms are arranged on the two sides of the hydraulic mechanism correspondingly, a leveling mechanism is arranged on the adjusting mechanism located at the front end of the steel plate transporting direction, and a detection mechanism is arranged on the adjusting mechanism located at the rear end of the steel plate transporting direction; and the leveling mechanism comprises a power part vertically and slidably connected with the rack and a leveling roller fixed to an output shaft of the power part, a telescopic shaft is fixed to the storing table, and a telescopic section of the telescopic shaft is rotationally connected with the leveling roller. The steel plate straightening device is simple in structure and can straighten a steel plate for multiple times, so that the straightening quality of the steel plate is improved.

The invention relates to an electrocardiogram chest lead placement system, which comprises an examination bed, a mechanical arm, a chest lead and a main controller, and is characterized in that a pressure sensor array is arranged on the surface of the examination bed and is used for collecting pressure data between a human body and the examination bed; a three-dimensional pressure sensor is arranged between the mechanical arm and the chest lead; the master controller constructs a human body pressure distribution image according to pressure data collected by the pressure sensor array, calculates projection coordinates of chest lead placement positions on the plane of the examination couch, drives the mechanical arm to drive the chest leads to move to the positions above the corresponding coordinates, makes the chest leads make contact with the chest wall and exert pressure, adjusts the joint angle of the mechanical arm, and adjusts the joint angle of the mechanical arm. And according to the displacement-pressure data curve slope of the chest lead, calculating the hardness and properties of the chest wall contacted by the chest lead and adjacent tissues, so as to adjust and confirm the placement position of the chest lead. Compared with the prior art, the chest lead placing device has the advantages that the chest lead placing position can be accurately and reliably determined, automatic placing is achieved, and chest lead placing is stable and reliable.

The invention relates to a mobile monitoring device, in particular to an expressway pavement condition mobile monitoring system which comprises a monitoring machine body. A storage battery is arranged in the monitoring machine body; a pulley is arranged on the monitoring machine body; the monitoring machine body is provided with a shell; a monitoring device is arranged on the shell, and a spraying device is arranged in the shell; the monitoring device monitors the road surface pothole condition and transmits a signal to the spraying device in the shell, the spraying device directly sprays potholes, the potholes are marked in time, the risk that passing vehicles do not pay attention to the potholes is reduced, and then potential safety hazards are reduced.

The invention discloses a lasso type space capturing device which comprises a support and a lasso capturing mechanism installed on the support, a rope fixing assembly in the lasso capturing mechanism enables the two ends of capturing ropes to be connected to an inner capturing ring and an outer fixing ring respectively, when the inner capturing ring rotates relative to the outer fixing ring, the multiple capturing ropes are folded inwards, the folded capturing ropes form a capturing rope loop, and when the diameter of the inscribed circle of the rope loop is not larger than the outer diameter of the target capturing object, the target capturing object can be captured. The device is particularly suitable for capturing an inverted-cone-shaped object and has large capturing tolerance, and the capturing reliability can be improved and the posture of the captured object can be corrected by using the two lasso capturing mechanisms which are axially installed in parallel to capture the object at the same time.

The invention discloses a dose measuring device for radiotherapy equipment. The dose measuring device comprises a box body, an ionization chamber adapter, a horizontal measuring assembly, a horizontal adjusting mechanism, an electric height measuring mechanism, a liquid level sensor and an electromagnetic valve, the ionization chamber adapter is horizontally arranged in the box body, and the two ends of the ionization chamber adapter penetrate out of the box body; the periphery of the top edge of the box body extends outwards to form a reference plane; the horizontal measurement assembly is installed on the reference plane. The horizontal adjusting mechanism is mounted at the bottom of the box body; the electric height measuring mechanism is vertically installed on the reference plane, the liquid level sensor is installed on the electric height measuring mechanism, and the electric height measuring mechanism drives the liquid level sensor to ascend and descend; a water outlet pipe is arranged at the bottom of the box body; the electromagnetic valve is mounted on the water outlet pipe. The device has the precise leveling function, the horizontal detection function and the automatic water level height adjusting function, error interference caused by manual observation of the horizontal plane is eliminated, the measurement precision is improved, and the measurement work is more time-saving and labor-saving.

The invention discloses an intelligent special table lamp for a bedroom. The intelligent special table lamp for the bedroom comprises a base, a support rod, a lamp holder and a lamp bulb, wherein an adjustment nut is installed on the base; the lower end of the adjustment nut stretches into an inner position of the base, and a radially-outward location ring is arranged on the lower end part of theadjustment nut; the adjustment nut completes limiting in the axial direction through the location ring; a stud is in threaded connection to the centre of the lower end of the adjustment nut; a connection plate is fixedly installed below the stud; and a suction disc is arranged below the connection plate. The table lamp for the bedroom is simple in structure, reasonable in design, and capable of being adsorbed onto the surface of a bedside table by virtue of the suction disc, thereby reducing the problem of radiation of a mobile phone or the problem that a user needs to get up because the mobile phone is placed at a far position.

The invention relates to the technical field of punching shearing machining, in particular to a full-automatic punching shearing machine. The full-automatic punching shearing machine comprises a punching shearing platform, a transmission unit and a workbench, wherein the punching shearing platform is installed on the workbench, the transmission unit is installed at one position close to the workbench and comprises a base, motors, stirring wheels, top rods, supporting wheels, transmission belts and electromagnetic strips, the base is installed at one position close to the workbench, the surfaceof the base is symmetrically provided with through holes, and the side wall of the bottom end of the base is provided with first chutes, and the motors are installed to the base side walls close to the first chutes. According to the full-automatic punching shearing machine, by means of coordination of the punching shearing platform, the transmission unit and the workbench, the fixing function onblanks in the transportation process is enhanced, the friction force on the blanks on the surfaces of the transmission belts is enhanced, the situation that the blanks slide on the surfaces of the transmission belts due to the own gravity of the blanks is further avoided, so that normal work of the punching shearing machine is guaranteed, and the work efficiency of the punching shearing machine isimproved.

The embodiment of the invention discloses a book management method, a server, a terminal, and a bookshelf, and belongs to the field of smart home. In the embodiment of the invention, regions in a bookshelf correspond to partition attributes, and after book information of books placed in the bookshelf is obtained through RFID, a placement matching result of the books is determined according to a similarity matching algorithm, so that whether a placement region of the books in the bookshelf is appropriate or not is prompted, the problem of not knowing that the books are placed disorderly, the book placement positions are not appropriate, and the like, is reduced, and the books are managed reasonably and effectively.

The invention relates to a rotating wheel integrated optimization adjustment structure used for a furniture sliding door. The rotating wheel integrated optimization adjustment structure comprises an adjustable rotating wheel device, the rotating wheel device comprises a fixed assembly and a rotating wheel assembly positioned on the fixed assembly movably, and the fixed assembly at least comprisesa fixed element and a positioning element, wherein the fixed element is provided with a fixed inclining part, the fixed element is provided with a positioning inclining part, an inclined groove part and an adjusting element are arranged between the fixed inclining part and the positioning inclining part, a metal piece is arranged on the inclined groove part and at least partially presses the adjusting element, and the adjusting element is rotationally positioned on the fixed inclining part and/or the positioning inclining part and/or the metal piece. Through the improvement of the above structure, the rotating wheel integrated optimization adjustment structure has the beneficial effects of being simple and reasonable in structure, reliable in performance, convenient to operate, accurate inpositioning, small in volume, high in bearing force, long in service life, easy to produce, easy to achieve, low in cost, safe, reliable and high in practicability.

The invention discloses a warning device for road construction. The warning device comprises a box body, a cavity is formed in the box body, an electric push rod is fixed to the inner wall of the upper side of the cavity, and a sliding rod connected to the side wall of the cavity in a sliding manner is fixed to the lower side of the electric push rod; and two connecting rods which are bilaterallysymmetrical about the electric push rod and extend downwards are fixed to the lower side of the sliding rod. By means of the warning device, the warning effect of the warning device during road construction can be improved, the transverse area of a warning panel can be enlarged, meanwhile, the warning panel can integrally move upwards, the construction position can be completely covered, the possibility of danger caused by the fact that a warning sign cannot completely cover the construction position can be reduced, the brightness of a warning red light can be changed according to the distanceof driving, and drivers can be effectively warned.

The invention discloses a customized lifting appliance of a cable reel. The customized lifting appliance of the cable reel comprises a lifting beam body. One end of the lifting beam body is fixedly provided with a first locating side beam. The other end of the lifting beam body is fixedly provided with a second locating side beam. The first locating side beam, the lifting beam body and the secondlocating side beam jointly constitute an H-shaped structure. A first reinforcing rib plate is arranged on the first locating side beam and located at the left end of the upper end face of the liftingbeam body. A first lifting lug is fixedly arranged on the upper end face of the first reinforcing rib plate. A second reinforcing rib plate is fixedly arranged on the second locating side beam and located at the right end of the upper end face of the lifting beam body. A second lifting lug is fixedly arranged on the upper end face of the second reinforcing rib plate. According to the technical scheme, the customized lifting appliance of the cable reel is reasonable in structural design, simple in structure and reliable in work, and the customized lifting appliance of the cable reel can avoid the situation that a cable reel and a cable are squeezed and damaged in the lifting process, shortens loading and unloading time and improves the site utilization ratio.