CN2610305Y - Jack range deviation measurement system - Google Patents
Jack range deviation measurement system Download PDFInfo
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- CN2610305Y CN2610305Y CN 03244334 CN03244334U CN2610305Y CN 2610305 Y CN2610305 Y CN 2610305Y CN 03244334 CN03244334 CN 03244334 CN 03244334 U CN03244334 U CN 03244334U CN 2610305 Y CN2610305 Y CN 2610305Y
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- jack
- displacement
- lifting jack
- industrial control
- control computer
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Abstract
A jack range deviation checking system comprises an oil pump 8, an connection oil duct, a displacement sensor 1, a displacement display device, a data communicating module, a communicating module direct current source, an industrial control computer with a jack range deviation checking software, a display, and a printing machine, wherein in the connection oil duct a cutoff valve 4, a single-way valve 5, a choke valve 6, and a discharge valve 7 are connected serially, one end of the connection oil duct is connected with a jack oil duct to be measured while the other end is communicated with an the oil pump, the displacement sensor 1 which is provided with a magnet and a control switch and arranged on the jack through an electric magnet is also provided with a brace which extends and contracts along with the jack piston, the displacement display device 14 which is provided with a RS 485 interface is connected with the RS 232 interface of the industrial control computer16 through the data communicating module15, the signal wire of the data collecting module 15 is connected with the serial port of the computer, and the printing machine is connected with the parallel port of the computer. The utility model has the advantages of high automatization and measurement efficiency, and precise and reliable data.
Description
Technical field
The utility model relates to a kind of detection system, particularly a kind of lifting jack deviation of stroke detection system.
Background technology
Prestress is carried out building industry industry standard JG/T 5028-93 with hydraulic jack, this standard code: the factory inspection of hydraulic jack must be carried out the detection of deviation of stroke, present detection means is manually to measure with straight steel ruler or tape measure, has the following disadvantages:
1, detection means falls behind, and testing tool is simple and crude, manually measures with straight steel ruler or tape measure, manually sees chi, the naked eyes reading, and accuracy of detection is low.
2, detection depends on manually and carries out, and manually sees table, artificial reading, and the manual record test figure is manually calculated deviation of stroke, manually fills in test report, and testing staff's labour intensity is big, and it is low to detect automatization level and detection efficiency.
Technology contents
The technical problems to be solved in the utility model is: existing manual type detection means is backward, testing tool is simple and crude, accuracy of detection is low; Testing staff's labour intensity is big, the problem that detection efficiency is low, a kind of automatization level and testing efficiency that modern microelectric technique, infotech and The present computer technology improve test of using is provided, improve measuring accuracy, alleviate the lifting jack deviation of stroke detection system of reviewer's labour intensity.
The technical scheme that solves its above-mentioned technical matters is: a kind of lifting jack deviation of stroke detection system, by oil pump and connection oil circuit, displacement transducer, the displacement Displaying Meter, the data communication module, data communication module direct supply, band lifting jack deviation of stroke detects the industrial control computer of software, display, printer is formed, charged magnet of described displacement transducer and gauge tap, and be installed on the lifting jack by electromagnet, it has a pull bar that can move freely, this pull bar and jack piston are flexible simultaneously, the displacement data that displacement transducer can be transmitted carries out analog-to-digital displacement Displaying Meter and has the RS485 interface, and be connected with the RS232 interface of industrial control computer by the data communication module, the signal wire of data communication module connects with the serial port of computing machine, and printer connects with the parallel port of computing machine.
Test philosophy: displacement transducer is installed on the lifting jack by electromagnet, it has a pull bar that can move freely, this pull bar and jack piston are flexible simultaneously, thereby displacement transducer can detect the travel position signal of lifting jack, displacement transducer becomes detected travel position conversion of signals the current signal of 4～20mA, again the current signal of 4～20mA is delivered to the displacement Displaying Meter then, in instrument, carry out becoming binary signal after the A/D conversion, deliver to industrial control computer at last, under the effect of testing software, can detect the deviation of stroke of lifting jack, realize the collection of lifting jack test figure, preserve, analyze, generation and the printing handling and test form.
Because adopt said structure, the lifting jack deviation of stroke detection system of the utility model has following good effect:
1, adopts high accuracy displacement sensor to carry out the lifting jack stroke detection, need not manually to see table, need not the naked eyes reading, need not the manual record test figure, the measuring accuracy height.
2, charged magnet and gauge tap and the magnetic force by electromagnet are installed on the lifting jack on the displacement transducer, by the switch controls electromagnet whether ferromagnetism are arranged, thus the installation of displacement transducer with remove extremely convenient.
3, applicable industry control computer and special test figure collection analysis process software are gathered, analyze, are handled test figure, detection does not rely on manually, also need not manually to calculate deviation of stroke, computer acquisition is behind run-length data, automatically the design runlength according to lifting jack calculates deviation of stroke, automatically judge according to building industry industry standard JG/T 5028-93 whether the stroke of lifting jack is overproof then, and printable test form, improve testing efficiency and test automation level greatly, alleviated reviewer's labour intensity.
4, utilize computer testing system, the test figure of every lifting jack can be kept in the computing machine, convenient inquiry and retrieval.
Description of drawings:
Fig. 1: the lifting jack deviation of stroke detection system hydraulic schematic diagram of the utility model;
Fig. 2: the lifting jack deviation of stroke detection system electricity principle schematic of the utility model.
Embodiment:
Below, the technical characterictic to the utility model lifting jack deviation of stroke detection system is further described in conjunction with the accompanying drawings and embodiments.
Embodiment:
A kind of lifting jack deviation of stroke detection system, by oil pump 8 and connection oil circuit, displacement transducer 1, displacement Displaying Meter 14, data communication module 15, communication module direct supply 11, band lifting jack deviation of stroke detects the industrial control computer 16 of software, display 12, printer 13 is formed, connect in the oil circuit and be connected with stop valve 4 successively, retaining valve 5, throttling valve 6, surplus valve 7, connecting oil circuit one end links to each other with tested lifting jack 2 oil circuits, one end communicates with oil pump 8, displacement transducer 1 charged magnet and gauge tap, and be installed on the tested lifting jack 2 by electromagnet, it has a pull bar that can move freely, this pull bar and jack piston are flexible simultaneously, the displacement data that displacement transducer 1 can be transmitted carries out analog-to-digital displacement Displaying Meter 14 and has the RS485 interface, and be connected with the RS232 interface of industrial control computer 16 by data communication module 15, the signal wire of data communication module 15 connects with the serial port of industrial control computer 16, display 12, printer 13 connects with the parallel port of industrial control computer.
Oil pump 8 is power sources of lifting jack action, starts oil pump, makes jack piston reach maximum position, just can measure the range of lifting jack.
Displacement transducer 1 charged magnet and gauge tap and the magnetic force by electromagnet are installed on the tested lifting jack 2, and it has a pull bar that can move freely, and this pull bar and jack piston are flexible simultaneously, thereby detect the action situation of jack piston; Stir on the displacement transducer switch controls its whether band ferromagnetism is arranged, thereby the installation of displacement transducer with remove extremely convenient.
Displacement Displaying Meter 14 models are XJM/A-H2B2S2, adopt advanced special-purpose singlechip chip IC9504 that the function of amplifier section digital displaying meter is compiled in this chip software, make every performance level of instrument have one significantly to improve and break through, instrument hardware reduces in a large number, assembly volume dwindles, technology is significantly improved, and function has higher stability and reliability by the panel and keypad setting.
The displacement data that displacement Displaying Meter 14 is used for displacement transducer is transmitted carries out analog to digital conversion, show then, and can provide displacement transducer 24V direct supply, have the RS485 interface simultaneously, can be connected with the RS232 interface of industrial control computer 16 by the data communication module, thereby can send displacement data industrial control computer further to handle.
Data communication module 15 is the RS-485/RS-232 interface convertor; be used for half-duplex RS-485 is converted to the differential signal of RS-232, the RS-232 of compatible EIA and RS-485 standard, built-in flow control chip; anti-thunderbolt and ESD antistatic protection have the zero propagation auto-conversion function.Support multi computer communication, can connect 128 nodes at most, adopt a DB9 hole shape connector to link to each other with RS-232 interface; The other end adopts DB9 aciculiform connector or connection terminal to link to each other with the RS-485 interface, realizes the RS485/232 conversion, and displacement Displaying Meter 14 can be connected with the RS232 serial port of industrial control computer 16.
Communication module provides data communication module 24V direct supply with direct supply 11.
The test analysis process software is the software of developing on the MCGS configuration platform that the lifting jack deviation of stroke detects that is specifically designed to.The setting that can carry out test parameters is as production code member, product type, nominal oil pressure, tentioning stroke, date of test etc., also can carry out the setting of systematic parameter, as: requiring tentioning stroke in the standard is that 0～250 lifting jack stroke permissible variation is 0～5,0～250,0～5 these numerals just can be provided with in software, so that this software can also continue to use after the standard change.This software has test figure preservation, analysis, statistics and report printing function.
The industrial control computer 16 of band lifting jack deviation of stroke test analysis process software can carry out the setting of test parameters, the setting of systematic parameter, test figure preservation, analysis, statistics and report generation and printing function.
Among the figure, 9 is filter screen, and 10 is fuel tank.
During test, earlier the oil-out of the oil pipe of tested lifting jack and oil pump is connected, displacement transducer is installed on the lifting jack, and connect circuit intact according to circuit theory diagrams, open industrial control computer, start lifting jack deviation of stroke testing software, test parameters as production code member, product type, the nominal oil pressure, tentioning strokes etc. set, open oil pump then, make the piston of lifting jack reach maximum position, pull bar in the displacement transducer also moves to certain position with the piston of lifting jack, under the effect of data communication module and lifting jack deviation of stroke testing software, the range of lifting jack just is displayed on the screen of industrial control computer display, point out " preservation " button on the screen with mouse, just can preserve the run-length data of lifting jack, after keeping, computing machine can calculate the deviation of stroke value of lifting jack automatically, and compare with building industry industry standard JG/T 5028-93 prescribed stroke permissible variation value, whether the stroke of judging lifting jack is overproof, and the generation test report, can preserve and print test report.
Claims (1)
1, a kind of lifting jack deviation of stroke detection system, it is characterized in that: this detection system is by oil pump (8) and connect oil circuit, displacement transducer (1), displacement Displaying Meter (14), data communication module (15), communication module direct supply (11), band lifting jack deviation of stroke detects the industrial control computer (16) of software, display (12), printer (13) is formed, connect in the oil circuit and be connected with stop valve (4) successively, retaining valve (5), throttling valve (6), surplus valve (7), connecting oil circuit one end links to each other with tested lifting jack (2) oil circuit, one end communicates with oil pump (8), charged magnet of displacement transducer (1) and gauge tap, and be installed on the tested lifting jack (2) by electromagnet, it has a pull bar that can move freely, this pull bar and jack piston are flexible simultaneously, the displacement data that displacement transducer (1) can be transmitted carries out analog-to-digital displacement Displaying Meter (14) and has the RS485 interface, and be connected with the RS232 interface of industrial control computer (16) by data communication module (15), the signal wire of data communication module (15) connects with the serial port of industrial control computer (16), display (12), printer (13) connects with the parallel port of industrial control computer (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244334 CN2610305Y (en) | 2003-05-01 | 2003-05-01 | Jack range deviation measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244334 CN2610305Y (en) | 2003-05-01 | 2003-05-01 | Jack range deviation measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2610305Y true CN2610305Y (en) | 2004-04-07 |
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ID=34169182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03244334 Expired - Fee Related CN2610305Y (en) | 2003-05-01 | 2003-05-01 | Jack range deviation measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2610305Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353321A (en) * | 2011-07-06 | 2012-02-15 | 中铁二十二局哈尔滨铁路建设集团有限责任公司 | Bridge-jacking digital-video monitoring device |
| CN104236443A (en) * | 2014-10-10 | 2014-12-24 | 慈溪市三洋电子有限公司 | Device for detecting valve opening distances of motor valves |
| CN114858109A (en) * | 2022-05-06 | 2022-08-05 | 深圳市安保医疗科技股份有限公司 | Method, device, equipment and medium for detecting mechanical movement precision of workpiece to be detected |
| CN116240826A (en) * | 2023-05-06 | 2023-06-09 | 四川省公路规划勘察设计研究院有限公司 | Reset pushing system and deviation correcting method thereof |
-
2003
- 2003-05-01 CN CN 03244334 patent/CN2610305Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353321A (en) * | 2011-07-06 | 2012-02-15 | 中铁二十二局哈尔滨铁路建设集团有限责任公司 | Bridge-jacking digital-video monitoring device |
| CN104236443A (en) * | 2014-10-10 | 2014-12-24 | 慈溪市三洋电子有限公司 | Device for detecting valve opening distances of motor valves |
| CN104236443B (en) * | 2014-10-10 | 2018-01-09 | 慈溪市三洋电子有限公司 | A kind of device for detecting motor valve valve opening distance |
| CN114858109A (en) * | 2022-05-06 | 2022-08-05 | 深圳市安保医疗科技股份有限公司 | Method, device, equipment and medium for detecting mechanical movement precision of workpiece to be detected |
| CN116240826A (en) * | 2023-05-06 | 2023-06-09 | 四川省公路规划勘察设计研究院有限公司 | Reset pushing system and deviation correcting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LIUZHOU OUWEIMU MACHINERY CO., LTD. Free format text: FORMER NAME OR ADDRESS: OUWEIM MACHINERY CO., LTD., LIUZHOU |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Liuzhou OVM Machinery Co., Ltd. Patentee before: Ouweimu machinery LLC, Liuzhou |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040407 |