公开(公告)号：US20200217737A1

公开(公告)日：2020-07-09

申请号：US16375117

申请日：2019-04-04

Applicant: Harbin Institute of Technology

Inventor： Chuanzhi SUN ,  Jiubin TAN ,  Yongmeng LIU

IPC: G01M1/12 ,  G01M1/20 ,  G01M1/10 ,  G06N7/00 ,  G06N3/08

Abstract: The present invention provides a large-scale high-speed rotary equipment measuring and intelligent learning assembly method and device based on vector minimization geometry center, mass center, the center of gravity and the center of inertia, belonging to the technical field of mechanical assembly. The method includes the steps of establishing a four-parameter circular profile measuring model for a single stage of rotor, simplifying the established four-parameter circular profile measuring model for the single stage of rotor, and establishing a four-target optimization model of the geometry center, mass center, the center of gravity and the center of inertia of multiple stages of rotors based on the angular orientation mounting position of each stage of rotor. The device include a base, an air flotation shaft system, an aligning and tilt regulating workbench, precise force sensors, a static balance measuring platform, an upright column, a lower transverse measuring rod, a lower telescopic inductive sensor, an upper transverse measuring rod and an upper lever type inductive sensor.

公开(公告)号：US20200217218A1

公开(公告)日：2020-07-09

申请号：US16375142

申请日：2019-04-04

Applicant: Harbin Institute of Technology

Inventor： Jiubin TAN ,  Yongmeng Liu ,  Chuanzhi Sun

IPC: F01D25/04 ,  G05B13/02 ,  F02C9/00

Abstract: The present invention provides a deep learning regulation and control and assembly method and device for large-scale high-speed rotary equipment based on dynamic vibration response properties. The present invention starts from geometrical deviation of multiple stages of rotor/stator of an aircraft engine, amount of unbalance of rotor/stator, rigidity of rotor/stator and vibration amplitude of rotor/stator, considers the influence of the area of the assembly contact surface between two stages of rotors/stators, and sets the rotation speed of rotor/stator to be the climbing rotation speed to obtain vibration amplitude parameters. According to the calculation method of the coaxiality, amount of unbalance, rigidity and vibration amplitude of multiple stages of rotor/stator, an objective function taking assembly phases as variables is established, a Monte Carlo method is used to solve the objective function, and a probability density function is solved according to a drawn distribution function to obtain the probability relationship between the contact surface runout of the rotor/stator of the aircraft engine and the final coaxiality, amount of unbalance, rigidity and vibration amplitude of multiple stages of rotor/stator, thereby realizing assembly optimization and distribution of tolerances of multiple stages of rotor/stator.

公开(公告)号：US20200217211A1

公开(公告)日：2020-07-09

申请号：US16375172

申请日：2019-04-04

Applicant: Harbin Institute of Technology

Inventor： Chuanzhi SUN ,  Yongmeng LIU ,  Jiubin TAN

IPC: F01D5/30

Abstract: The present invention provides a method for optimizing multi-stage components of large-scale high-speed rotary equipment based on Monte Carlo bias evaluation. The method comprises: obtaining an offset of a contact surface between all stages of rotors according to a multi-stage rotor propagation relationship, and calculating coaxiality according to a coaxiality formula; calculating a cross sectional moment of inertia of the contact surface, and obtaining a bending stiffness according to a bending stiffness formula; obtaining the amount of unbalance of a rotor according to a rotor error propagation relationship; and obtaining a probability relationship between the assembly surface runout of all stages of aero-engine rotors and the final geometric concentricity, the amount of unbalance and stiffness of multi-stage rotors by using a Monte Carlo method, and optimizing the tolerance distribution and bending stiffness of the aero-engine multi-stage rotors.

公开(公告)号：US20190033731A1

公开(公告)日：2019-01-31

申请号：US16069198

申请日：2016-08-31

Applicant: HARBIN INSTITUTE OF TECHNOLOGY

Inventor： Yongmeng LIU ,  Jianwei WU ,  Jiubin TAN

IPC: G03F7/20

CPC classification number: G03F7/70725 ,  G03F7/70733

Abstract: A dynamic-magnetic steel magnetic levitation double-workpiece-stage vector arc switching method and apparatus based on wireless energy transmission, falling within the semiconductor manufacturing equipment technology. The apparatus comprises a support frame (1), a balance mass block (2), magnetic levitation workpiece stages (4a, 4b), a workpiece stage measurement apparatus, wireless energy transmission apparatuses (5a, 5b) and a wireless energy receiving apparatus (406), wherein the two workpiece stages work between a measurement site (11) and an exposure site (12); a laser interferometer (6) is used to measure the positions of the workpiece stages; the wireless energy transmission apparatuses (5a, 5b) are used to provide energy for a sensor (407) in a micro-drive stage; the workpiece stages are driven using a magnetic levitation planar electrical motor; and during a double-workpiece-stage switching process, the planar electrical motor is used to drive the two workpiece stages so as to achieve single-beat arc quick switching. By using the method and apparatus, the problem that an existing stage switching scheme has many beats, a long track, many start-stop links and a long time for stabilization is solved, thereby reducing the stage switching links, shortening the stage switching time, and improving the productivity of a lithography machine.

公开(公告)号：US20170175584A1

公开(公告)日：2017-06-22

申请号：US15118322

申请日：2014-12-26

Applicant: HARBIN INSTITUTE OF TECHNOLOGY

Inventor： Jiubin TAN ,  Chuanzhi SUN ,  Lei WANG ,  Bo ZHAO

IPC: F01D25/28 ,  G01B7/31

CPC classification number: F01D25/28 ,  F01D5/027 ,  F01D25/285 ,  F05D2230/60 ,  F05D2260/83 ,  G01B7/31 ,  G01C9/06 ,  G01C2009/064

Abstract: An aero engine rotor air floatation assembling method and device based on a gantry structure belong to mechanical assembling technology. The present invention can effectively solve the problem of poor coaxality after the aero engine rotor is assembled and has the characteristics of high coaxality after the rotor is assembled, reduced vibration, mounting easiness, high flexibility and improved engine performance. The measuring method and device are: determining rotary reference based on a rotary air bearing; determining the angular positioning of a rotary table according to a grating ruler; extracting the radial error of the radial mounting plane and the inclination error of the axial mounting plane of the rotor based on the four-probe measuring device to obtain the influencing weight of this rotor to the assembled rotor on coaxality; measuring respectively all the rotors required for assembling to obtain the influencing weight of each rotor to the assembled rotor on coaxality; vector optimizing the weight of each rotor to obtain the assembling angle of each rotor.

公开(公告)号：US20160356392A1

公开(公告)日：2016-12-08

申请号：US15111750

申请日：2014-12-26

Applicant: HARBIN INSTITUTE OF TECHNOLOGY

Inventor： Bo ZHAO ,  Jianwei WU ,  Jiubin TAN ,  Lei WANG

IPC: F16K31/06 ,  F16K11/02

CPC classification number: F16K31/0603 ,  F15B1/265 ,  F15B21/048 ,  F16K11/02 ,  Y10T137/87169 ,  Y10T137/87917

Abstract: A four-state adjustable air path structure is an air storage-type pneumatic actuating mechanism. An air source (1) is respectively connected to an air storage tank (3) and a port a1 of a two-position three-way solenoid valve A (4) via a check valve (2). A port c1 and a port b1 of the two-position three-way solenoid valve A (4) are respectively connected to a port c2 of a two-position three-way solenoid valve B (6) and a vent hole (5). A port a2 and a port b2 of the two-position three-way solenoid valve B (6) are respectively connected to a port b3 of a two-position three-way solenoid valve C (8) and a port of a throttle valve (7). Another port of the throttle valve (7) is connected to a port a3 of the two-position three-way solenoid valve C (8). A port c3 of the two-position three-way solenoid valve C (8) is connected to an air tank (9). The present air storage-type pneumatic actuating mechanism uses air as a medium, utilizing the compressibility of the air to achieve a centralized air supply, thereby significantly simplifying processing and maintenance of a mechanical structure. Intellectual control of an operating speed can also be achieved. The present invention has advantages such as structural simplicity, low manufacturing costs, safe and reliable operation, long service life, and suitability for long-distance transmission.

Abstract translation: 四状态可调节空气路径结构是空气存储式气动致动机构。 空气源（1）通过止回阀（2）分别连接到储气箱（3）和两位三通电磁阀A（4）的端口a1。 两位三通电磁阀A（4）的端口c1和端口b1分别连接到两位三通电磁阀B（6）和通气孔（5）的端口c2。 两位三通电磁阀B（6）的端口a2和端口b2分别连接到两位三通电磁阀C（8）的端口b3和节流阀（ 7）。 节流阀（7）的另一个端口连接到两位三通电磁阀C（8）的端口a3。 两位三通电磁阀C（8）的端口c3连接到空气罐（9）。 目前的空气存储式气动执行机构使用空气作为介质，利用空气的压缩性实现集中供气，从而显着简化机械结构的加工和维护。 也可以实现对操作速度的智能控制。 本发明具有结构简单，制造成本低，运行安全可靠，使用寿命长，适用于长距离传输等优点。

公开(公告)号：US20160339528A1

公开(公告)日：2016-11-24

申请号：US15111145

申请日：2014-12-26

Applicant: HARBIN INSTITUTE OF TECHNOLOGY

Inventor： Jiubin TAN ,  Yuanyuan YANG ,  Lei WANG ,  Bo ZHAO

IPC: B23B31/40 ,  B23Q3/08

CPC classification number: B23B31/402 ,  B23B31/204 ,  B23Q3/08 ,  B23Q2703/10 ,  Y10T279/1012 ,  Y10T279/1258

Abstract: A pneumatic-type precision annular workpiece inner positioning surface clamping device, wherein a rod portion of a piston assembly (5) is inserted into a central hole of the wedge-shaped block (12), and the piston portion of the piston assembly (5) is located in a closed chamber of a cylinder body (15); a disc spring (3) is sleeved on the piston assembly (5); an air intake hole (1-1) is provided in the lower plate (1), an air vent hole (15-1) is provided at the upper portion of the cylinder body (15); and an elastic hinge block (6) is sleeved outside the wedge-shaped block (12). The pneumatic-type precision annular workpiece inner positioning surface clamping device has a simple structure, high reliability and strong adaptability.

Abstract translation: 一种气动型精密环形工件内定位表面夹紧装置，其中活塞组件（5）的杆部分插入楔形块（12）的中心孔中，并且活塞组件（5）的活塞部分 ）位于气缸体（15）的封闭室中。 盘簧（3）套在活塞组件（5）上; 在下板（1）中设置有进气孔（1-1），在缸体（15）的上部设有通气孔（15-1） 并且弹性铰链块（6）套在楔形块（12）的外部。 气动式精密环形工件内定位面夹紧装置结构简单，可靠性高，适应性强。