Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

35results about How to "Adjustment time is short" patented technology

Linkage roll adjustment-type rolling mill for rectangular steel tubes

The invention discloses a linkage roll adjustment-type rolling mill for rectangular steel tubes. The linkage roll adjustment-type rolling mill comprises a base, a left rack, a right rack, a top roll, a bottom roll, a left roll and a right roll; two rectangular guide holes are respectively formed in the left rack and the right rack, and the left rack and the right rack are respectively provided with a left support plate and a right support plate; a left sliding seat and a right sliding seat are respectively arranged in the rectangular guide holes; the left support plate and the right support plate are respectively provided with a cylinder of which the piston rod is connected with the corresponding sliding seat; the linkage roll adjustment-type rolling mill also comprises a reversing valve for controlling the left cylinder and the right cylinder; the linkage roll adjustment-type rolling mill also comprises an arch adjusting bracket, a cross beam, a lifting rod and a locknut. According to the linkage roll adjustment-type rolling mill disclosed by the invention, the sliding seats are respectively pushed by the cylinders to adjust the left roll and the right roll in position, and moreover, the left cylinder and the right cylinder are controlled by the identical reversing valve, so that the left roll and the right roll are equal in amount of movement; moreover, the arch adjusting bracket is connected with the left end and the right end of the top roll, and the top roll is adjusted by the lifting screw rod to rise and fall; roll adjustment is convenient, the adjustment time is short, and the work efficiency is high.
Owner:CHONGQING LONGSHAN METAL MATERIAL

Integral separation type PI-Type tight format model free adaptive course control algorithm used for ships

The invention belongs to the field of ship motion control, and specifically relates to an integral separation type PI-Type tight format model free adaptive course control algorithm used for ships. Thealgorithm includes the following steps: a proportional item is introduced to form a PI-type CFDL_MFAC algorithm based on the tight format model free adaptive control algorithm, and a discrete form ofthe proportional item is k

.[delta]e(k); a course deviation threshold e<0> is set; a course deviation e(k) is calculated, wherein e(k)=y<*>(k)-y(k); when an absolute value |e(k)| of the e(k) is greater than a threshold e<1> of a set course state deviation; according to the e(k), an integral separation type PI_CFDL_MFAC controller resolves expected input u(k) of a course system; and a formula ofk=k+1 is achieved, and a current course y(k) of a course ship is updated. By introduction of the proportional item in the control algorithm, the response speed of a system is improved; an idea of integral separation is introduced in the algorithm, thus avoiding the problem that an original control algorithm is directly applied to ship course control to cause system oscillation or even instabilitydue to integral saturation; and introduction of the proportional item and the integral separation idea makes an application range of a CFDL_MFAC theory extend, so that a ship course can quickly and stably converge to a desired course.

Owner:HARBIN ENG UNIV

Automatic centering device of electric spindle reliability test platform based on drag loading

The invention discloses an automatic centering device of an electric spindle reliability test platform based on drag loading, and aims to solve the problems of incapable of timely monitoring generation of singularity and elimination and time and labor wasting when adjusting centering of the test platform, the device comprises a spindle position adjusting part, a detection part and a monitoring andautomatic control part; the detection part comprises a supporting device, a feeding device and a detection device; the spindle position adjusting part is arranged at the middle position of an horizoniron through a first to forth static pressure sliding platform, wherein the first static pressure sliding platform and the second static pressure sliding platform are arranged at the left side of thehorizon iron, and the third static pressure sliding platform and the fourth static pressure sliding platform are arranged at the right side of the horizon iron; the detection part is arranged at themiddle position of the horizon iron through a first supporting base and a second supporting base, supporting devices are arranged at the front side and rear side of the spindle position adjusting part, and the feeding device is arranged on the supporting devices; a first laser centering instrument and a second laser centering instrument in the detection device are fixed on a fixing plate in the feeding device; and the monitoring and automatic control part is connected with the spindle position adjusting part and the detection part through wires.
Owner:JILIN UNIV

Wafer adjusting device and method and wafer conveying system

The embodiment of the invention relates to a wafer adjusting device and method and a wafer conveying system. The wafer adjusting device comprises a bearing part and a detection device, wherein the detection device is used for detecting a wafer to obtain detection information; an adjusting device which is connected with the first bearing assembly and the second bearing assembly in the bearing component, drives the first bearing assembly to move relative to the second bearing assembly and drives the second bearing assembly to move relative to the first bearing assembly; and an analysis controller which is connected with the detection device and the adjusting device, receives the detection information of the detection device, analyzes and processes the detection information, and sends a processing signal to the adjusting device according to a processing result, and the adjusting device drives the first bearing assembly to move relative to the second bearing assembly and drives the second bearing assembly to move relative to the first bearing assembly according to the processing signal. According to the invention, the deviation condition of the deviated wafer can be detected, and corresponding position adjustment can be carried out according to the deviation condition.
Owner:CHANGXIN MEMORY TECH INC

Automatic leveling mechanism for parallel transmission structure

The invention provides an automatic leveling mechanism for a parallel transmission structure and belongs to the technical field of automatic precision adjustment. The automatic leveling mechanism aims to solve the problems that when a numerically-controlled machine tool, a numerically-controlled carving machine, a 3D printer and other devices are positioned accurately in the Z-axis direction through manual adjustment, consumed time is long, the labor intensity is high and the error of a measuring result is large in the adjusting process. A heating block is arranged in a parallel connection support. The lower end of a spray head stretches out of a spray head mounting hole in the heating block. The upper end of the spray head is fixedly connected with a spray head fixing base. The upper end of the spray head fixing base fixedly penetrates out of a through hole of a hot end assembly fixing frame. One end of the hot end assembly fixing frame is hinged to the parallel connection support. A microswitch is fixedly connected with the parallel connection support. The microswitch is located over the other end of the hot end assembly fixing frame. A gap is formed between the microswitch and the hot end assembly fixing frame. The hot end assembly fixing frame is connected with the bottom of the parallel connection support through an elastic extension mechanism. The automatic leveling mechanism is mainly applied to the numerically-controlled machine tool, the numerically-controlled carving machine, the 3D printer, a sorting system and the like.
Owner:黑龙江科大科技开发有限公司

Detection calibration device of coolant pump rotating speed monitoring system and detection calibration method of detection calibration device

The invention discloses a detection calibration device of a coolant pump rotating speed monitoring system. The detection calibration device comprises a case, a rack arranged in the case, a motor driving module, a motor, a revolution meter, a control panel, a protection cover, a mounting bracket, a message sending tooth mounted on an output shaft of the motor, a sensor mounted on the mounting bracket, an amplifier connected with the sensor through a coaxial cable, and an oscilloscope and a coolant pump rotating speed monitoring system data processing unit that are in communication connection with a signal output end of the amplifier, wherein the motor driving module, the motor, the revolution meter, the control panel, the protection cover and the mounting bracket are mounted on the rack; the motor driving module is connected with the motor, the revolution meter and the control panel through wires; the control panel is connected with a power supply, the motor driving module and the revolution meter through wires; and during operation, the message sending tooth is driven by the output shaft of the motor to pass through the sensor. The device solves the problem that a special detectioncalibration device for the coolant pump monitoring system and a detection calibration method are unavailable at present.
Owner:仪凤机电(嘉兴)检测技术服务有限公司

Rolling mill for rectangular steel tubes

The invention discloses a rolling mill for rectangular steel tubes. The rolling mill comprises a base; the base is fixedly provided with a left rack and a right rack; a top roll, a bottom roll, a left roll and a right roll are respectively arranged on the left rack and the right rack; the rolling mill also comprises an arched adjusting bracket and a cross beam connected with the upper end of the left rack and the upper end of the right rack; U-shaped chutes are respectively formed in the left rack and the right rack; two ends of the arched adjusting bracket are respectively arranged in the U-shaped chutes, and are in vertical sliding fit with the U-shaped chutes; the middle part of the arched adjusting bracket is provided with a lifting rod in screw-thread fit with the cross beam. According to the rolling mill disclosed by the invention, by connecting the cross beam with the left rack and the right rack, the racks form a rectangular frame structure on the whole; the racks are high in rigidity, so that the problem that the existing racks vibrate during rolling can be avoided; moreover, the arched adjusting bracket is connected with the left end and the right end of the top roll, and the top roll is adjusted to rise or fall through the lifting screw rod, so that the roll is convenient to adjust, the adjustment time is short, and the work efficiency is high.
Owner:南通重矿金属新材料有限公司

Projector projection correction method and device and projector

The invention relates to a projector projection correction method and device and a projector. Comprising the following steps: determining original coordinates of each projection angular point in a projection image in a system space coordinate system; according to the pose transformation information of the placement position of the projector relative to the standard state, determining transformation coordinates after the original coordinates of each projection angular point are transformed; according to the distance between the projector and the projection curtain and the transformation coordinate, determining the coordinate of a first intersection point of a connecting line of the projection angular point and the coordinate origin and the Z-axis plane; taking the barycentric coordinate of the first intersection point as a central coordinate, and determining a third projection plane with the largest area and the same length-width ratio as a second projection plane formed by the original coordinates in a first projection plane formed by the coordinates of the first intersection point; determining a virtual projection coordinate of each projection angular point in the third projection plane; determining coordinates of a second intersection point of a connecting line between the virtual projection coordinates and the origin of the coordinates and a fourth projection plane formed by the transformation coordinates; and carrying out image projection according to projection coordinates obtained by carrying out inverse operation on the coordinates of the second intersection point.
Owner:深圳新智联软件有限公司

Output method for independent display modules of digital artistic landscape apparatus, and service device

The invention discloses an output method for independent display modules of a digital artistic landscape apparatus, and a service device. According to the method, the digital artistic landscape apparatus comprises a plurality of display module layers adopting 360-degree annular structures and distributed at intervals along a same vertical axis; each display module layer is divided into a plurality of independent display modules adopting deformed structures and spaced mutually; the service device establishes an independent communication connection with each independent display module; the service device obtains an expanded view of a three-dimensional model of the display module layers adopting the 360-degree annular structures, and obtains actual screen body resolution of each independent display module from the expanded view of the three-dimensional model; and according to the expanded view of the three-dimensional model and the actual screen body resolution of any independent display module, actual output of any independent display module is adjusted. By implementing the output method, the adjustment time of a relatively large quantity of the independent display modules can be shortened and the output efficiency of the independent display modules is improved.
Owner:GUANGZHOU LEAFUN CULTURE SCI & TECH

Fastening type pneumatic punching machine capable of automatically adjusting height

The invention relates to the field of pneumatic punching machine equipment, in particular to a fastening type pneumatic punching machine capable of automatically adjusting height. The technical problem to be solved by the invention is to provide the fastening type pneumatic punching machine which can automatically adjusting the height to adapt to different products, meanwhile, can carry out punching stably, and is improved in service life of a foot pedal switch. The fastening type pneumatic punching machine capable of automatically adjusting the height comprises a workbench, a moving groove, control switches, fastening assemblies, a pedal control assembly, a height adjusting assembly, a mounting frame assembly, buffer equipment, a punching connecting frame, a timer, a switch set and the like, wherein a moving groove for guiding a punching part to move is formed in the top surface of the workbench; the supporting base is fixedly connected to the rear wall of the workbench; the two control switches are fixedly connected to two side walls of the workbench in sequence; and the fastening assemblies are fixedly connected to the front wall of the workbench. According to the fastening typepneumatic punching machine, the effects that the height of the punching machine can be conveniently and automatically adjusted to adapt to the different products, meanwhile, punching can be carried out stably, and the service life of the foot pedal switch can be prolonged are achieved.
Owner:邱煌庆

Coiling control method and device, medium and equipment

ActiveCN113617877AHigh positioning accuracyImprove coiling control precisionMetal working apparatusEngineeringMachine
The invention provides a coiling control method and device, a medium and equipment. The method comprises the steps of determining an actual rotation angle of a coiling block of a coiling machine, wherein the rotation angle is an angle required when a strip tail leaves a hot metal detector and the coiling block stops at a preset position; obtaining a reference rotation angle of the coiling block and an adjustment amount of the reference rotation angle; and controlling the coiling block to rotate in an inching mode at a preset adjusting angle if it is determined that sigma phi act is larger than sigma phi ref +/-delta, so that the actual rotating angle meets the condition that sigma phi act is smaller than or equal to sigma phi ref +/-delta, wherein sigma phi act is the actual rotation angle, sigma phi ref is the reference rotation angle, and delta is the calibration adjustment amount of the reference rotation angle. Thus, by determining the actual rotation angle and the reference rotation angle of the coiling block, when the actual rotation angle cannot enable a strip coil to stop in the optimal area, the coiling block is controlled to rotate in the inching mode according to the preset adjustment angle, so that the actual angle meets the condition that sigma phi act is smaller than or equal to sigma phi ref +/-delta, the coiling control precision is improved, the positioning precision of the tail of strip steel is improved, manual participation is not needed, adjustment time consumption is reduced, and the production efficiency is improved.
Owner:武汉钢铁有限公司

A Model-Free Adaptive Heading Control Algorithm of Integral-separated pi-type Compact Format for Ships

The invention belongs to the field of ship motion control, and in particular relates to an integral-separated PI type compact format model-free adaptive heading control algorithm for ships. Including the introduction of proportional items on the basis of the compact model-free adaptive control algorithm to form a PI-type CFDL_MFAC algorithm, the discrete form of the proportional item is k p Δe(k); set course deviation threshold e 0 ;Calculate heading deviation e(k), where e(k)=y * (k)‑y(k); when the absolute value of e(k) |e(k)| is greater than the threshold e of the set heading state deviation 1 ; The integral-separation PI_CFDL_MFAC controller calculates the expected input u(k) of the heading system according to e(k); let k=k+1 update the current heading y(k) of the heading ship. The present invention improves the response speed of the system by introducing proportional items into the control algorithm, and at the same time introduces the idea of ​​integral separation into the algorithm, avoiding the system oscillation or even loss caused by integral saturation when the original control algorithm is directly applied to the course control of the ship. The introduction of the idea of ​​separation of proportional terms and integrals expands the application range of CFDL_MFAC theory, so that the ship's heading can quickly and stably converge to the desired heading.
Owner:HARBIN ENG UNIV

Automatic centering device of electro-spindle reliability test bench based on dragging

The invention discloses an automatic centering device for an electric spindle reliability test bed based on dragging and loading. In order to overcome the problem of being unable to monitor the generation of singular data in time, eliminating and adjusting the centering of the test bed is time-consuming and laborious, the device includes a main shaft position adjustment part, The detection part and the monitoring and automatic control part; the detection part includes the support device, the feeding device and the detection device; the main shaft position adjustment part is installed in the middle of the horizontal iron through No. 1 to No. 4 static pressure slides: No. 1 and No. 2 static pressure The pressure sliding table is installed on the left side of the horizontal iron, and the No. 3 and No. 4 static pressure sliding tables are installed on the right side of the horizontal iron; the detection part is installed in the middle of the horizontal iron through the No. 1 and No. 2 support bases, and the supporting device is located on the main shaft On the front and rear sides of the position adjustment part, the feed device is installed on the support device; the No. 1 and No. 2 laser alignment instruments in the detection device are fixed on the fixed plate in the feed device; the monitoring and automatic control part and the spindle position adjustment part , Detection part of the wire connection.
Owner:JILIN UNIV

Train positioning system static testing device and static testing method

The invention discloses a train positioning system static testing device. The train positioning system static testing device comprises an antenna mounting plane, a track, an antenna, a beacon positionmeasuring control unit, a beacon vertical position adjusting unit and a beacon plane position adjusting unit, wherein a track horizon is arranged on the track; the beacon position measuring control unit carries a beacon, is used for detecting position data of the beacon relative to the antenna, identifying a current position of the beacon according to the position data, planning a beacon moving track according to the current position and a target position and outputting a vertical moving instruction or a plane moving instruction according to the beacon moving track; the beacon vertical position adjusting unit is used for controlling the beacon position measuring control unit to move in the vertical direction according to the vertical moving instruction; and the beacon plane position adjusting unit moves on the track horizon in the horizontal direction according to the plane moving instruction. The invention further discloses a static testing method based on the train positioning system static testing device. Problems of poor manual adjusting accuracy, long adjusting time consumption and low efficiency are solved.
Owner:SHANGHAI ELECTRIC THALES TRANSPORTATION AUTOMATION SYST CO LTD

Parallel transmission structure automatic leveling mechanism

The invention provides an automatic leveling mechanism for a parallel transmission structure and belongs to the technical field of automatic precision adjustment. The automatic leveling mechanism aims to solve the problems that when a numerically-controlled machine tool, a numerically-controlled carving machine, a 3D printer and other devices are positioned accurately in the Z-axis direction through manual adjustment, consumed time is long, the labor intensity is high and the error of a measuring result is large in the adjusting process. A heating block is arranged in a parallel connection support. The lower end of a spray head stretches out of a spray head mounting hole in the heating block. The upper end of the spray head is fixedly connected with a spray head fixing base. The upper end of the spray head fixing base fixedly penetrates out of a through hole of a hot end assembly fixing frame. One end of the hot end assembly fixing frame is hinged to the parallel connection support. A microswitch is fixedly connected with the parallel connection support. The microswitch is located over the other end of the hot end assembly fixing frame. A gap is formed between the microswitch and the hot end assembly fixing frame. The hot end assembly fixing frame is connected with the bottom of the parallel connection support through an elastic extension mechanism. The automatic leveling mechanism is mainly applied to the numerically-controlled machine tool, the numerically-controlled carving machine, the 3D printer, a sorting system and the like.
Owner:黑龙江科大科技开发有限公司

Seal paper receiving box of soft box packing machine

The invention relates to a seal paper receiving box of a soft box packaging machine. The seal paper receiving box comprises a supporting wallboard, a seal accelerating wheel, a seal paper receiving box support, a seal conveying wheel, a seal paper receiving box, a side positioning block and a bottom positioning block; the seal accelerating wheel, the seal paper receiving box support and the seal conveying wheel are all installed on the supporting wall plate; the seal paper receiving box is mounted on the seal paper receiving box support; and the side positioning block is installed on the sideof the seal paper receiving box, and the bottom positioning block is installed at the bottom of the seal paper receiving box. According to the technical scheme, the seal paper receiving box positioning blocks are decomposed, when the seal positioning blocks are adjusted, the positioning blocks do not interfere with one another, the adjusting time consumption is short, the equipment operation efficiency is improved, the adjusting difficulty and the manual labor intensity are reduced, besides, when any positioning block is damaged, the positioning block can be independently replaced, the whole seal paper receiving box does not need to be replaced, and the cost of spare and accessory parts is reduced.
Owner:HONGYUN HONGHE TOBACCO (GRP) CO LTD

A pointer homing type automatic adjustment and measurement tripod

The invention discloses a pointer homing type automatic adjustment and measurement tripod, belonging to the technical field of measurement, which can realize rapid automatic adjustment of the levelness of the tripod, and jointly guide the lifting adjustment of self-elevating outriggers through a triangular pressure contact and a central pressure contact Specifically, the technician first controls one of the self-lifting outriggers to rise to a suitable height in advance, and then automatically adjusts the other self-elevating outrigger to the same height, and the self-moving indicator ball driven by the self-rotation limit shift pointer stays to press the last self-lifting The triangle pressure contact corresponding to the outrigger shall prevail, and then the last self-lifting outrigger is automatically adjusted until the self-moving indicator ball moves precisely along the self-rotation limit movement pointer to the center pressure contact, so as to realize the roughness of the horizontal plane and greatly shorten the adjustment time. Improve the measurement efficiency, and at the same time, within the allowable range of measurement error, by setting a weak angle control loop to meet the offset of the self-moving indicator ball within a certain range, the measurement accuracy can be effectively improved within the tolerance range.
Owner:林红英

A Punch Position Adjustment Mechanism in Continuous Drawing Die

The invention provides a male die position adjusting mechanism in a continuous deep drawing die and belongs to the technical field of machinery. The problem that male die position adjusting in an existing continuous deep drawing die is not convenient is solved. The male die position mechanism in the continuous deep drawing die comprises a male die sliding block and an adjusting sliding block. The male die sliding block is fixed at the end, toward an upper die base, of a male die. A first oblique face is arranged on the upper surface of the male die sliding block. A second oblique face matched with the first oblique face is arranged at one end of the adjusting sliding block. The adjusting siding block abuts against the male die sliding block, so that the first oblique face and the second oblique face are attached. An adjusting component which can enable the adjusting sliding block to get close to or be far away from the male die sliding block is arranged at the other end of the adjusting sliding block. A locking component which enables the male die sliding block to tend to move to the adjusting sliding block is arranged on the male die sliding block. According to the adjusting mechanism, the position of the male die is adjusted through the adjusting component, consumed time in each-time adjusting is short, production efficiency is improved, and an adjusting operation process is safe and reliable.
Owner:松渤电器(上海)有限公司

Independent display module output method and service equipment of digital art landscape device

The invention discloses an output method for independent display modules of a digital artistic landscape apparatus, and a service device. According to the method, the digital artistic landscape apparatus comprises a plurality of display module layers adopting 360-degree annular structures and distributed at intervals along a same vertical axis; each display module layer is divided into a plurality of independent display modules adopting deformed structures and spaced mutually; the service device establishes an independent communication connection with each independent display module; the service device obtains an expanded view of a three-dimensional model of the display module layers adopting the 360-degree annular structures, and obtains actual screen body resolution of each independent display module from the expanded view of the three-dimensional model; and according to the expanded view of the three-dimensional model and the actual screen body resolution of any independent display module, actual output of any independent display module is adjusted. By implementing the output method, the adjustment time of a relatively large quantity of the independent display modules can be shortened and the output efficiency of the independent display modules is improved.
Owner:GUANGZHOU LEAFUN CULTURE SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products