CN204027518U - Vertical units shafting axis coaxle degree pick-up unit - Google Patents
Vertical units shafting axis coaxle degree pick-up unit Download PDFInfo
- Publication number
- CN204027518U CN204027518U CN201420221021.1U CN201420221021U CN204027518U CN 204027518 U CN204027518 U CN 204027518U CN 201420221021 U CN201420221021 U CN 201420221021U CN 204027518 U CN204027518 U CN 204027518U
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- China
- Prior art keywords
- unit
- chip microcomputer
- axis coaxle
- signal deteching
- deteching circuit
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of vertical units shafting axis coaxle degree pick-up unit, comprise the measurement dial framework being arranged in unit rotating shaft, measure on dial framework signal deteching circuit is housed, single-chip microcomputer is connected with signal deteching circuit, data-carrier store, button, LCD display are connected with single-chip microcomputer, and single-chip microcomputer is connected with host computer by serial communication circuit.The utility model adopts digital display dial gauge as detection means, and signal deteching circuit is simple, and the feature that measuring speed is fast, precision is higher is to solve the effective means that large-scale vertical axle is the measurement of axis coaxle degree.
Description
Technical field
The utility model belongs to coaxality measurement technical field, relates to a kind of measurement mechanism of right alignment, is specifically related to a kind of vertical units shafting axis coaxle degree pick-up unit.
Background technology
Vertical hydrogenerator unit axis, is comprised of upper leading axle (or exciter shaft), lower leading axle (or generator shaft) and water guide shaft (turbine shaft).In the installation of hydrogenerator unit or overhaul maintenance process, having very important operation is together exactly jiggering, and its object is mainly whether detection unit general axis is freely vertical, detects maximum throw and the orientation of unit generation arbor and turbine shaft.During tradition jiggering, generally at top guide bearing, flange and water guide shaft three places, by X, Y-direction, respectively fill two dial gauges respectively, the throw value of each measuring point circumferential surface Along ent of unit (general 8 points of decile) while measuring unit rotation.This method requires measuring point circumference to be uniformly distributed, and cannot overcome and measure surface quality and the impact of measuring error on result, can only be similar to and obtain maximum throw orientation near certain measuring point or its, so error is larger; Also cannot pre-control to the throw value after processing; Secondly, traditional disposal route is not comprehensively analyzed unit as a total system.
At present, traditional hydrogenerator unit axis method for measuring coaxiality can not meet the needs of high precision, automatic measurement.For this reason, the utility model technology combines sensor technology, microelectric technique, computer technology and modern data processing method together, has developed a kind of vertical units shafting axis coaxle degree pick-up unit.This system integrates DATA REASONING, data-optimized, unit adjustment is processed, and has overcome traditional jiggering requirement measuring point even circumferential and has distributed, cannot rejecting abnormalities point etc. shortcoming; Intelligent measure and the adjustment of unit axis have been realized.
Summary of the invention
The purpose of this utility model is to provide a kind of vertical units shafting axis coaxle degree pick-up unit, has solved the problem that the precision existing in prior art is low, automatic measurement degree is low.For the detection of vertical unit axis right alignment, provide a kind of intelligent device for measuring that measurement, data processing, unit are adjusted that integrates.
The technical scheme that the utility model adopts is, a kind of vertical units shafting axis coaxle degree pick-up unit, comprise the measurement dial framework being arranged in unit rotating shaft, measure on dial framework signal deteching circuit is housed, single-chip microcomputer is connected with signal deteching circuit, data-carrier store, button, LCD display are connected with single-chip microcomputer, and single-chip microcomputer is connected with host computer by serial communication circuit.
Signal deteching circuit comprises that digital sensor, operational amplifier, shaping drive connection successively, and digital sensor is selected capacitive grid numeral display clock gauge, and operational amplifier is selected two voltage comparator LM393, and shaping drives selects MAX232.
Single-chip microcomputer is selected AT89C52.
Data-carrier store is selected AT24C08.
Serial communication circuit is selected RS-232.
Host computer is selected PC.
The beneficial effects of the utility model are that to have signal deteching circuit simple, and the feature that measuring speed is fast, precision is higher is that to solve large-scale vertical axle be the effective means that axis coaxle degree is measured.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is signal deteching circuit composition frame chart of the present utility model.
In figure, 1. measure dial framework, 2. signal deteching circuit, 3. single-chip microcomputer, 4. data-carrier store, 5. serial communication circuit, 6. button, 7.LCD display, 8. host computer, 9. water wheels unit rotating shaft, 10. digital sensor, 11. operational amplifiers, 12. shapings drive.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As shown in Figure 1 to Figure 2, the utility model discloses a kind of vertical units shafting axis coaxle degree pick-up unit.Comprise the measurement dial framework 1 being arranged in unit rotating shaft 9, measure on dial framework 1 digital sensor 10 is installed, digital sensor 10 drives 12 to be connected with single-chip microcomputer 3 through operational amplifier 11 and shaping, data-carrier store 4, button 6, LCD display 7 are directly connected with single-chip microcomputer 3, and single-chip microcomputer 3 is connected with host computer 8 by serial communication circuit 5.
Single-chip microcomputer 3 is selected AT89C52, and AT89C52 is a kind of low-voltage, and High Performance SCM contains 8 CMOS microcontrollers of the read-only program memory that 8KB fast can be repeatedly erasable.This device adopts atmel corp's high density, nonvolatile storage technologies to produce, compatible with standard MCS mono-51 order set and 8052 pins of products.Due to multi-functional 8 bit CPUs and FLASH storer are integrated in one single chip, so the AT89C52 of ATMEL is a kind of efficient microcontroller, for a lot of embedded control systems provide a kind of dirigibility high and inexpensive scheme.
Data-carrier store 4 is selected AT24C08, and AT24C08 is the 1KB that the meets 12C stipulations two line serial ports EEPROM that atmel corp releases, and has that operating voltage is wide, low in energy consumption, read or write speed fast, takies that work/0 mouthful line is few, guarantees the feature that data are not lost after power-off.
Serial communication circuit 5 is selected RS 1, is the standard connected in series on IBM and compatible thereof, by RS 1, by being connected of single-chip microcomputer 3 and host computer 8, realizes serial communication.
Host computer 8 is selected PC, and the interface circuit of AT89C52 and PC adopts the chip MAX232 with rs-232 standard compatibility.This device comprises 2 drivers, 2 receivers and 1 voltage generator circuit provides level.MAX232 chip plays the function of level conversion, the level of single-chip microcomputer and the RS of PC mono-232 level is reached and mate.
As shown in Figure 2, signal deteching circuit 2 comprises that digital sensor 10, operational amplifier 11, shaping drive 12 to connect successively, and digital sensor 10 is selected capacitive grid numeral display clock gauge, and operational amplifier 11 is selected two voltage comparator LM393, and shaping drives selects MAX232.Capacitive grid numeral display clock gauge is a kind of New Displacement Transducer, 4 output interface terminal pins are externally provided, for power supply 1.5V, signal and power supply ground, clock control line CLK, serial data output line Data, pulse height is 1.5V, and the data of transmission are non-standard TTL serial data; Non-standard TTL serial data is amplified through two voltage comparator LM393, obtains standard TTL serial data, after MAX232 shaping, driving, sends into single-chip microcomputer 3.
Embodiment of the present utility model is when measuring, allow measurement unit rotate a circle, by signal deteching circuit 2, at upper leading axle neck, flange, water guide shaft neck and the thrust collar place of unit axis, respectively gather successively the data of 8 points, give single-chip microcomputer 3, after conversion scale, deposit in data-carrier store 4, by the serial port of single-chip microcomputer 3, through serial communication circuit 5, data serial is issued to host computer 8; In host computer 8, be optimized processing, try to achieve unit axis in maximum throw value and the orientation at flange, water guide shaft neck two places, according to the maximum throw value of trying to achieve and orientation, determine adjustment amount and adjust orientation.
Claims (3)
1. a vertical units shafting axis coaxle degree pick-up unit, it is characterized in that, comprise the measurement dial framework (1) being arranged in unit rotating shaft (9), measure on dial framework (1) signal deteching circuit (2) is housed, single-chip microcomputer (3) is connected with signal deteching circuit (2), data-carrier store (4), button (6), LCD display (7) are connected with single-chip microcomputer (3), and single-chip microcomputer (3) is connected with host computer (8) by serial communication circuit (5).
2. a kind of vertical units shafting axis coaxle degree pick-up unit according to claim 1, it is characterized in that, described signal deteching circuit (2) comprises that digital sensor (10), operational amplifier (11), shaping drive (12) to connect successively, digital sensor (10) is selected capacitive grid numeral display clock gauge, operational amplifier (11) is selected two voltage comparator LM393, and shaping drives (12) to select MAX232.
3. a kind of vertical units shafting axis coaxle degree pick-up unit according to claim 1, is characterized in that, described data-carrier store (4) is selected AT24C08.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221021.1U CN204027518U (en) | 2014-04-28 | 2014-04-28 | Vertical units shafting axis coaxle degree pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221021.1U CN204027518U (en) | 2014-04-28 | 2014-04-28 | Vertical units shafting axis coaxle degree pick-up unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204027518U true CN204027518U (en) | 2014-12-17 |
Family
ID=52067363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420221021.1U Expired - Fee Related CN204027518U (en) | 2014-04-28 | 2014-04-28 | Vertical units shafting axis coaxle degree pick-up unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108460141A (en) * | 2018-03-14 | 2018-08-28 | 国家电网公司 | A kind of unit axis processing control system based on wechat public platform |
-
2014
- 2014-04-28 CN CN201420221021.1U patent/CN204027518U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108460141A (en) * | 2018-03-14 | 2018-08-28 | 国家电网公司 | A kind of unit axis processing control system based on wechat public platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150428 |
|
| EXPY | Termination of patent right or utility model |