32results about How to "Positioning is simple and convenient" patented technology

The invention relates to the technical field of reinforcement cage manufacturing, in particular to a reinforcement cage molding assembler. The reinforcement cage molding assembler comprises a stirruppositioning device and a main rib positioning device, wherein the stirrup positioning device comprises a fixed part and a movable part capable of moving relative to the fixed part; the movable part cooperates with the fixed part for fixing stirrups; and the main rib positioning device is arranged in a lifting manner relative to the stirrup positioning device, and is used for fixing main ribs and positioning the main ribs in different positions of the stirrups. Through self stirrup and main rib positioning modes, the reinforcement cage molding assembler not only can finish molding of reinforcement caged with various different section shapes, but also can simply and conveniently position the stirrups and the main ribs to save the work in such links as manual binding; and meanwhile, the stirrup positioning device and the main rib positioning device can be quickly and conveniently adjusted to adapt to manufacturing of the reinforcement cages with different specifications.

The invention discloses a wireless laser lofting device used in tunnel which is composed of the computer, the servo electrical total station, the semiconductor laser and the wireless communication processor. The computer serial port is connected with the wireless communicator; the total station is connected with the wireless communicator by the serial port; the semiconductor laser is installed in the ranging turn part of the total station. The system can locate and input the tunnel axis line data, the digging cross-section and the drilling scheme data controlled by the computer software; also it can measure the cross section and loft in the cross section outline, the cannon hole location. The device can deal the random curve tunnel, the cross section form and the drill scheme to monitor the digging by the laser. So it is proper for every underground project including the tunnel.

An all-bearing car body structure of a new-energy urban bus comprises a front wall assembly, a rear wall assembly, a top cover assembly, a bottom frame assembly, a support upright assembly and a closed stressed ring structure of a whole car body, wherein the closed stressed ring structure is formed by two side wall assemblies, the two ends of the support upright assembly are connected with the top cover assembly and the bottom frame assembly, so that the closed stressed ring structure is formed on the cross section of the car body conveniently, meanwhile, a two-layer frame cavity structure arranged in the top cover assembly not only facilitates the placement of energy storage equipment, but also optimizes the space in a car. According to the design, the passenger space in the urban bus is optimized, and the overall bearing uniformity of the car body structure is improved, moreover, the delivery effect of the local structure is stronger, and the closed stressed ring structure is arranged on the support upright assembly.

The invention relates to an exploiting-following wireless intelligent spraying dustfall control system for mines, which is applied to combined mining (caving) working surfaces. The control system consists of an end head monitoring controller, a node spraying dustfall controller and a coal winning machine infrared emission sensor, wherein the node spraying dustfall controller comprises node sensor systems and controller systems; each node sensor system comprise a hydraulic pressure switch sensor, a coal dust concentration sensor, a pedestrian photosensor and an infrared receiving sensor; the infrared emission sensor emits sector infrared lasers, and scans the infrared receive sensor to obtain the working position of the coal winning machine so as to control and open a region spray head under wind flows and perform spraying dustfall. The hydraulic pressure switch sensor obtains the position allowing coal to be put, and controls and opens the spray head to discharge the coal and remove dust. Controllers are in wireless communications, so that the wiring error can be avoided, and maintenance and repair are simple. According to the invention, the design of internal circuits conforms to the standards and the requirements for the production technology of mine safety, and the control system has the functions of explosion prevention, dust prevention and water prevention.

The invention relates to a permanent magnet synchronous motor subsection skewed pole positioning rotor, which comprises a rotor shaft and a rotor iron core installed on the rotor shaft, wherein the rotor iron core is composed of at least n iron core sections which are connected in series, each iron core section comprises hollow rotor sections and permanent magnets with at least P pole pairs arranged on the hollow rotor sections, the same magnetic poles of the permanent magnets of two adjacent iron core sections are equidirectionally staggered, and an axially formed skewed pole spiral angle is alpha; the hollow rotor sections are provided with more than one positioning base point located at the same circumference and a plurality of matching points matched with the positioning points, an angle between the positioning base point and the adjacent matching point is beta, and beta=360 degrees / P-alpha / (n-1) or beta=360 degrees / P+alpha / (n-1), wherein the n is greater than or equal to 2, and the P is greater than or equal to 2. The permanent magnet synchronous motor subsection skewed pole positioning rotor can realize rotor iron core section positioning for a rotor subsection skewed pole motor accurately, reliably, simply and conveniently in a mode of the positioning base points and the matching points.

The invention discloses a quick coordinate positioning method for a three-dimensional laser detection system of an underground vacant area, and belongs to the technical field of underground mine surveying and mapping. The method comprises the following steps: 1, setting a front target at a target position on a three-dimensional laser scanning equipment head; 2, generating a laser reference point on the rock wall right behind the three-dimensional laser scanning equipment head by a laser ranging and positioning device mounted on the three-dimensional laser scanning equipment head; 3, positioning the absolute coordinates of the three-dimensional laser scanning equipment head by measuring the absolute coordinates of the front target and the laser reference point by a non-prism mode of a total-station instrument so as to transform a point cloud under a local coordinate system scanned by the three-dimensional laser scanning equipment head into a point cloud under a world coordinate system. The method is easy, convenient and quick for positioning, and the result is accurate; the labor cost and the material cost are reduced, and the scanning efficiency is improved.

The invention discloses a positioning method and device and a mobile terminal and belongs to the field of computer application technology. The method comprises the steps that a positioning picture collected for a scene position in a preset scene in the mobile terminal is acquired; measurement learning is performed on the positioning picture and image features in feature indexes; the similarity between the positioning picture and each image feature is calculated; the feature indexes are association indexes between the image features extracted from a panoramic video collected from the preset scene and corresponding scene positions in the preset scene; a target image feature most similar to the positioning picture is determined according to the similarities; and the scene position associatedwith the target image feature is determined from the scene positions of the feature indexes, and a panoramic image frame corresponding to the scene position is positioned in the panoramic video. Through the positioning method and device and the mobile terminal, high-precision positioning can be performed on the scene position conveniently.

The invention relates to a device for loading a transporting unit (10) intended for transporting piece goods (12), in particular mail deliveries, comprising a first conveying unit (18), which can be moved into the transporting unit (10) and is intended for conveying and unloading a first stream of piece goods (22) in the transporting unit (10). In order to provide a device of the type in question by which loading that is optimized with respect to the transport filling density of the transporting unit can be achieved, along with an increased loading throughput and increased working convenience, it is proposed that at least one second conveying unit (20) is provided for the conveying and unloading of a second stream of piece goods (24) in the transporting unit (10), wherein the piece goods (12) are distributed among the streams of piece goods (22, 24) according to at least one sorting criterion.

The invention relates to an embedded type cylindrical blast cap, which belongs to the technical field of fluidized beds. The embedded type cylindrical blast cap comprises an embedded pipe and an outer sleeve pipe, wherein the embedded pipe is coaxially sleeved in the outer sleeve pipe, and a circular seam is limited between the embedded pipe and the outer sleeve pipe; the embedded pipe penetrates through and is fixedly connected in an air distribution plate, and through holes are arranged on the side wall of the outer sleeve pipe; the embedded pipe is a straight pipe section with uniform inner diameter, uniform wall thickness and two open ends, and the outer sleeve pipe is a blind pipe with a closed upper end; small holes are arranged on the circumference at the upper part of the pipe wall of the embedded pipe, and the circular surface at the top end of the embedded pipe is in close contact with the inner wall of the top surface of the outer sleeve pipe; and the lower part of the outer sleeve pipe is closely matched with the peripheral surface of the embedded pipe, and the bottom end of the outer sleeve pipe is buried in the refractory material of the air distribution plate. The embedded type cylindrical blast cap adopts the steel pipe, therefore, the manufacturing process is simplified, the manufacturing cost is saved, meanwhile, the embedded type cylindrical blast cap has the function of slag leakage prevention, the positioning of the outer sleeve pipe and the embedded pipe is accurate, the fixation is simple and convenient, the small holes on the side wall are not easy to be worn, and the cooling of the top surface is good; the embedded pipe is simple in structure and is free from the abrasion of the material in the furnace; and the resistance of the blast cap is free from the influence of the installation factor.

The invention discloses a magic square globe for teaching. In the magic square globe for teaching, a limiting mechanism is used for fixing the globe and convenient for dismantling; the positioning mechanism is simple and convenient by positioning the rotating globe, and is more conducive to enhancing the interest of students in learning; the voice control mechanism realizes the function of adjusting the positioning mechanism by voice, so that the electronic probe accurately locks the position during the rotation of the globe, and plays the voice information of the position after locking the position information, so that the beginner can quickly find out the determined position and understand the information; and the voice control mechanism realizes the function of adjusting the positioningmechanism by voice. The first snap-on mechanism and the second snap-on mechanism are arranged so that the globe can be detachably placed in the cover body, and the cover body can be closed with the housing, thereby facilitating the accommodation and carrying of the globe. The invention has simple structure, is convenient for teachers to use in class or students to learn by themselves, endows geography learning with diverse interests, and improves learning efficiency.

The present invention discloses numerically controlled electric spark machining apparatus and process for great depth / diameter ratio toothed female die. The horizontal machining apparatus includes one biaxial numerically controlling device, two servo motors, one tool electrode, one fixture with three claws, one rotary inner sleeve for workpiece, one local directional liquid leading unit and one tool electrode holding casing. The present invention has combination of electric spark generating technology and numerically controlling technology to expand the machining range, and is especially suitable for machining hard-to-machine materials.

The invention belongs to a positioning system, and in particular relates to a power assembly positioning system and a power assembly positioning method. The system comprises an engine, a power assembly gearbox and a gearbox bracket arranged on a vehicle body; a transition bracket is connected to the free end of the engine, the transition bracket is provided with a positioning hole, the vehicle body is provided with a positioning attached seat, the positioning attached seat is matched with the positioning hole in the transition bracket, and the connected position of the positioning attached seat and the positioning hole has a conical structure; rear suspensions are connected to flywheel shells at the left and right ends of the engine, and the rear suspensions at the left and right ends are respectively arranged at the upper ends of an upper left rear suspension bracket and an upper right rear suspension bracket and fixed on a rear attached seat; and the power assembly gearbox is arranged at the upper end of the gearbox bracket, the bottom of the gearbox bracket is connected with a transmission attached seat, and an auxiliary suspension is arranged between the bottom of the gearbox bracket and the transmission attached seat. The free end of the engine of the positioning system is matched with the conical positioning attached seat on the vehicle body through the transition bracket, so that a power assembly is installed and positioned compactly and conveniently.

The invention discloses a base station electromagnetic radiation maximum exposure site position estimation method comprising the following specific steps: firstly using a COST-231 Walfish-Ikegami route loss model considering emission antenna correlation parameters and stadia conditions to obtain a certain point location reception power expression; using the certain point location reception power expression to solve the horizontal distance x from the reception point to the base station emission antenna, and determining the base station electromagnetic radiation maximum exposure site position. The method considers the base station emission antenna height, the base station maximum emission power and the reception antenna height information, thus estimating the base station electromagnetic radiation maximum exposure site position; the method can accurately, simply and fast locate the base station electromagnetic radiation maximum exposure site position.

The invention relates to a kind of installment mechanism specially relates a kind of installment mechanism on the operating platform testing all kinds of work performance of the gearbox. A kind of gearbox test desk installment mechanism and the installment mechanism sets up on the framework and the characteristic of it is that the installment mechanism is consisted by the rotary disk and the gearbox fixed machinery hand setting up on the work rotary disk and the rotary disk connects with the work rotary disk by the so many circle distributed attachment bolts and install at the two sides of the framework. The invention has the characteristics as the structure is reasonable, the design is new face, the operation is easy, the function is strength and the maintenance is convenience especially it provides a kind of new gearbox test desk installment mechanism with precision locating, convenience operation, and multiple functions for the gearbox test work desk.

An intelligent coal mine fully mechanized coal mining face spray and aspirating control system disclosed by the present invention is composed of a positioning monitoring controller, a plurality of node spray and aspirating controllers, an infrared emission sensor, an explosion-proof electric ball valve, a spray nozzle and an overground monitoring terminal. The positioning monitoring controller and the spray and aspirating controllers finish the data exchange of the control signals and the working states in a wireless communication manner, and the working states of the spray and aspirating controllers are transmitted to the overground monitoring terminal to display real-timey. The spray nozzle is connected with the explosion-proof electric ball valve, and the explosion-proof electric ball valve is connected with the spray and aspirating controllers via cables. The infrared emission sensor transmits the signals to the node spray and aspirating controllers, and via the monitoring terminal, the on-off of the explosion-proof electric ball valve and the working state of the spray nozzle are controlled. By the control system of the present invention, the coal mining position of a coal cutter can be monitored real-timely, the spray area is large, the efficiency is high, and the dust concentration can be reduced effectively.

The invention relates to a covered stent, which is used for aortic vasculopathy involving aortic arches. The covered stent can be widely applied to various people, does not need to be customized for individuals, and has a good treatment effect.

The invention relates to a positioning device, method and system. The device comprises a sending module used for sending a synchronization signal to a mobile site and a plurality of fixed sites, a receiving module used for receiving first transmission time delay signals from the fixed sites, and a processing module configured for determining a first position of the mobile site according to the first transmission time delay signals and the positions of the fixed sites, wherein each first transmission time delay signal comprises a time difference between the time of receiving a first positioningsignal from the mobile site by each fixed site and the time of receiving the synchronization signal by each fixed site. According to the positioning device, method and system, the synchronization signal can be sent to the mobile site and the fixed sites, and the position of the mobile site is determined according to the transmission time delay signals of the fixed sites and the positions of the fixed sites, and then the position of automatic walking equipment installed with the mobile site is determined, so that the position of the automatic walking equipment can be determined simply and accurately.

The invention discloses a swash plate air conditioner compressor piston ball socket processing fixture which comprises a bottom plate, a linkage device, connecting rods, a fixture seat, a positioningseat I, a fixed seat, a loading ejector rod, an unloading ejector rod, an axial positioning sleeve, hydraulic cylinder sleeves and hydraulic clamping jaws. The fixture seat, the positioning seat I andthe fixed seat are sequentially arranged on the side, on which one long side is located, on the bottom plate from left to right; the linkage device is arranged on the side, on which the other long side is located, on the bottom plate; a processing through slot is formed in the middle of the fixture seat along the short side direction of the bottom plate; the two hydraulic cylinder sleeves are symmetrically arranged on the left side and the right side of the fixture seat; one hydraulic clamping jaw is arranged in each hydraulic cylinder sleeve in an interference way; a pressing plate is arranged on the top part of the fixture seat; the axial positioning sleeve is arranged on the hydraulic cylinder sleeve located on the left side of the fixture seat in an interference way; the unloading ejector rod is arranged in the axial positioning sleeve in an inserting way; the loading ejector rod is arranged on the fixed seat; and the loading ejector rod and the unloading ejector rod are connectedwith the linkage device through connecting rods. The swash plate air conditioner compressor piston ball socket processing fixture has the characteristics of simple and reasonable structure, simplicity and convenience in positioning, and high positioning accuracy.

The invention discloses an auxiliary appliance for billiard shot aiming. The auxiliary appliance for billiard shot aiming comprises an object ball positioning part and a cue ball aiming and guiding part arranged on the object ball positioning part. The object ball positioning part comprises a base and two clamping arms arranged on one side of the base and used for clamping an object ball, wherein the cue ball aiming and guiding part is arranged on the base, the inner sides of the two clamping arms are provided with clamping edges for tangent clamping of the large horizontal circle of the object ball, the two clamping edges or the extension lines of the two clamping edges are intersected, and an included angle formed through intersection is 60 degrees. The cue ball aiming and guiding part is provided with a hypothetical ball model equal to the object ball in diameter, and the ball center of the hypothetical ball model is equal to the ball center of the object ball in height. The connecting line of the intersection point of the two clamping edges or the extension lines of the two clamping edges and the ball center of the hypothetical ball model is perpendicular to a horizontal plane. The auxiliary appliance for billiard shot aiming is simple and reliable in object ball positioning and accurate and convenient to aim and brings a great help to a player for aiming training.

The invention discloses an automobile pipeline clamping device which comprises a base plate, a tubular positioning block, a pipeline support positioning block and a clamping plate capable of lifting to clamp a fastening clamp on a pipeline support, a clamping groove is formed in the lower end of the clamping plate, and the tubular positioning block and the pipeline support positioning block are both arranged on the base plate. The clamping block is used for positioning a main body of the pipeline support, the clamping block and the clamping plate are arranged side by side, and a rubber sheath is arranged at the lower part of the clamping block. The automobile pipeline clamping device is reasonable in structural design, a pair of pipelines needing to be fixed together is easy and convenient to position, the pipeline support main body and the pipeline support end head are synchronously positioned and clamped, a coating is prevented from falling off by additionally arranging the rubber sheath, and clamping of the pipeline support end part is efficient and stable.

The invention discloses a synchronous encoding control device of a periphery drive concentrator, and relates to the field of a synchronous control device of a periphery drive concentrator. In the prior art, the following problems exist: the number of travel switches of the synchronous control device of the concentrator used by the people is more, the failure occurrence rate is high, and the like. With the present invention, the problems in the prior art are solved. The synchronous encoding control device of the periphery drive concentrator comprises an encoding moving ruler, travel switches and a travel switch fixation bracket, wherein the middle part of the encoding moving ruler is provided with a groove. With the synchronous encoding control device, the synchronous lifting precision of the concentrator harrow frame is high, the operation is convenient, and the failure occurrence rate is low.

The invention discloses a turning tool height locator, which comprises a base block, an elbow pull rod and a knurled nut. One side of the base block is provided with a V-shaped groove, and the other side is provided with a tool setting pin. The tool setting pin The lower busbar coincides with the angle bisector of the V-shaped groove, and the tail of the elbow tie rod passes through the base block and is threadedly connected with the knurled nut. The turning tool height locator with this structure can precisely position the turning tool height efficiently and conveniently.

The invention relates to a machining method for a large-size thin-wall special-shaped cover body. The machining method comprises the following steps: a tool special for cutting machining is designed and manufactured; 3D reverse modeling is carried out after the blank is scanned; the relative position relation between the blank and the product is determined; according to the comparison relation between the allowance and the removal amount, a machining tool is replaced with a measuring module, the machining profile tolerance and precision of an inner chamber are detected under the condition that a product is not disassembled through online in-situ measurement, and error compensation coping machining is conducted according to a deviation value; and a 90-degree adapter on a vertical milling machine is detached, a spindle of the vertical milling machine is used for milling a second outer profile of the product by taking the end face of the large end of the finish-machined blank as a reference face. The machining method meets the cutting machining requirements of the large-size thin-wall special-shaped ceramic cover body, is simple, convenient and reliable in clamping, high in positioning precision and suitable for popularization and application.

The invention provides a measuring device for positioning discharge points in a gravity drainage pipe network, a system for positioning discharge points in a gravity drainage pipe network, and a positioning method for the system for positioning discharge points in a gravity drainage pipe network, wherein the measuring device comprises a casing that is provided with a positioning sensor, and a water quality sensor for measuring sewage water quality parameters; the positioning sensor is located at the upper portion of the casing, the water quality sensor is located at the lower portion and / or the bottom of the casing; the casing is further provided with a data recording and transmitter, a timer and a battery, and the battery is connected to the data recording and transmitter, and the timer;the positioning sensor, the water quality sensor, and the timer are respectively connected to the data recording and the transmitter, and the top of the casing is provided with a float. By adopting the technical scheme of the invention, it is not necessary to carry out sampling analysis on each discharge point to implement a quick, simple and economical positioning of abnormal discharge points inthe drainage pipe network.

The invention belongs to the field of cribs and particularly relates to a crib capable of being stored by folding. The crib comprises a bed frame and a bed plate arranged in the bed frame; the bed frame comprises end frame plates located at two ends and two side frame plates connected between the end frame plates at the two ends; one end of each side frame plate is hinged to an interval separation strip; the interval separation strips of the two side frame plates are located at two opposite ends of two side plates respectively; the interval separation strips are detachably and fixedly connected with the corresponding end frame plates; each side frame plate comprises two hinged side single plates; the bed plate comprises two hinged bed single plates; one bed sheet plate is a positioning single plate hinged to the end frame plates and the other bed single plate is a movable single plate. According to the structure provided by the invention, when the crib needs to be folded, the bed single plates are pulled so that the two bed single plates are slowly overlapped around a hinging point and then lean against the end frame plate on one side; then the side frame plates are folded toward one side without the interval separation strip around the hinging point; the interval separation strips of the two side frame plates are arranged oppositely, so that the two side frame plates are folded toward two ends of a bed body respectively, and are orderly overlapped.

The invention discloses a tray box capable of achieving rapid replacement of a power battery of a pure electric engineering vehicle. The tray box comprises a top plate, a bottom plate and a side plate, wherein the top plate and the bottom plate are oppositely arranged, positioning blocks and threaded holes are formed in the top end surfaces of both the top plate and the bottom plate, trapezoidal positioning convex strips and threaded holes are formed in the side end surfaces of both the top plate and the bottom plate, limiting pieces are further formed on the bottom surface of the bottom plate, the side plate comprises a first side plate and a second side plate which are adjacently arranged, through holes are formed in the first side plate and the second side plate respectively, trapezoidal positioning grooves are formed in the top and the bottom of both the first side plate and the second side plate, the positioning grooves are matched with the positioning convex strips correspondingly, the first side plate and the second side plate are in bolted connection with both the top plate and the bottom plate through the through holes, and observation holes are formed in the first side plate. According to the tray box, the structure is simple, the quality is stable, the space is saved, the using cost and the failure rate of the power battery are reduced, the maintenance of the power battery is facilitated, and the service life of the power battery is prolonged.

The invention discloses a device and a method for positioning and measuring a position of a piston ring groove in automatic piston assembly. The device comprises a tray, a piston, a camera, a liftingservo sliding table, a pressing head and an image recognition and calculation unit, wherein the piston has a ring groove and is arranged in a groove of the tray; the camera is arranged on one side ofthe piston; the lifting servo sliding table is arranged above the tray; the pressure head is provided with a piston ring and is arranged on the lifting servo sliding table; and the image recognition and calculation unit is in signal connection with the camera and is in driving connection with the lifting servo sliding table. The device and the method adopt a visual system non-contact measurement mode, can position the position of the piston ring groove simply, conveniently, reliably and efficiently, and provide a reliable basis for flexible and automatic assembly of the piston ring.

The invention relates to an assembling tool for a nozzle of a breaker and a positioning assembly of the assembling tool. The assembling tool comprises a gear frame, wherein the gear frame is used for being arranged on the periphery of the corresponding nozzle in a sleeved mode and is matched with the nozzle through the positioning assembly in a rotation stopping mode when used. The lower end of the gear frame is provided with a left pin channel and a right pin channel which correspond to two radial installation holes in the nozzle respectively. The positioning assembly comprises a left positioning pin and a right positioning pin, the left positioning pin and the right positioning pin are used for being inserted in the two radial installation holes in the nozzle in a positioning mode respectively, the left positioning pin and the right positioning pin are correspondingly installed on a first support and a second support respectively, and an elastic retaining structure which enables the left positioning pin and the right positioning pin to be retained in the corresponding pin channels and the corresponding radial installation holes respectively is arranged between the first support and the second support. The positioning assembly enables the gear frame and the nozzle to be positioned firmly and is used in the assembling tool for the nozzle of the breaker.

The invention discloses a comprehensive safety detection system and method for a wind generating set. The system employs the comprehensive detection of the combination of a digital image related technology and air coupling ultrasonic detection, and employs a flight device to carry detection equipment. Surface damage detection is carried out on the wind generating set through a shooting device, internal damage detection is carried out on the wind generating set through the air coupling ultrasonic detection device, all-directional damage detection of the wind generating set is achieved, damage images are visualized, positioning is easy and convenient, and therefore, the safety detection of the whole life cycle of manufacturing, installation and operation of the wind generating set can be realized, and the detection from the parts of the wind generating set to the whole machine is realized. According to the invention, the flight device is adopted to carry the detection equipment, the whole machine measurement process is convenient and safe, unnecessary climbing operation of workers is reduced, meanwhile, non-stop detection can be realized when fixed parts of the wind generating set such as a tower are detected, and the economical efficiency of the wind generating set is ensured.