CN102564557B - Build-up force standard machine with wide range, - Google Patents
Build-up force standard machine with wide range, Download PDFInfo
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- CN102564557B CN102564557B CN201110457036.9A CN201110457036A CN102564557B CN 102564557 B CN102564557 B CN 102564557B CN 201110457036 A CN201110457036 A CN 201110457036A CN 102564557 B CN102564557 B CN 102564557B
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Abstract
The invention discloses a build-up force standard machine with a wide range, belongs to the technical field of force standard machinery, and is characterized in that the build-up force standard machine comprises a first detecting unit and a second detecting unit, wherein the upper limit of the range of the first detecting unit is in accordance with that of the build-up force standard machine; the lower limit of the range of the first detecting unit is in accordance with the upper limit of the range of the second detecting unit; the lower limit of the second detecting unit is in accordance with that of the build-up force standard machine; the force output directions of the first and the second detecting units are in accordance with each other; and the stress axis of a to-be-detected sensor is overlapped with those of the first and the second detection units. The build-up force standard machine has the advantages of large range, low manufacturing cost and the like.
Description
Technical field:
The present invention relates to a kind of superposing type force standard machine of machine with wide range, be applied to the mechanical property of various LOAD CELLS, power sensor, dynamometer is detected, belong to force standard machines field.
Background technology:
1, superposing type force standard machine present situation:
Superposing type force standard machine be adopt one than the high proof force sensor of accredited dynamometer accuracy as standard, connect with the power sensor that is calibrated/examine and determine, with the force standard machines of hydraulic pressure or mechanical system loading; Because it is cheap, work efficiency is high, the mechanical property that has been widely used in recent years various LOAD CELLS, power sensor, dynamometer detects.
But superposing type force standard machine range ability also can only be consistent with proof force sensor at present for the measurement range (be generally full scale 10%～100%) that is limited to proof force sensor (full scale 10%～100%).
Ye You unit adopts the way of changing different range standard transducers on a superposing type force standard machine at present, as the superposing type force standard machine of 100 tons, in the time detecting for 100 tons, adopt 100 tons of standard transducers, in the time detecting for 50 tons, pull down 100 tons of standard transducers, change 50 tons of standard transducers.Also there is very large problem in this method, (1) also needs to configure multiple standard transducers, increases cost.(2) standard of replacement sensor affects the precision (by force standard machines vertification regulation, standard of replacement sensor need to be examined and determine force standard machines again) of standard transducer, and increases labour intensity.
2, the mechanical property testing requirement of LOAD CELLS, power sensor, dynamometer:
LOAD CELLS, power sensor, dynamometer need adopt the method for multidrop continuous detection while detection, as 100 tons of LOAD CELLS, as adopt 5 detections, need to detect 20 tons, 40 tons, 60 tons, 80 tons, 100 tons, and must on same force measuring machine, complete continuously, as adopt 10 detections, need to detect 10 tons, 20 tons, 30 tons, 40 tons, 50 tons, 60 tons, 70 tons, 80 tons 90 tons, 100 tons.
3, laboratory superposing type force standard machine configuration:
Suppose that a laboratory will possess the detectability of 10 tons, 20 tons, 30 tons, 40 tons, 50 tons, 60 tons, 70 tons, 80 tons, 90 tons, 100 tons LOAD CELLS, according to the testing requirement of the range ability of above-mentioned stacking machine and LOAD CELLS, be 3 superposing type force standard machines of 20 tons, 50 tons, 100 tons when adopting 5 detections up to few configuration range that needs; In the time adopting detect at 10, need to configure range and be 10 superposing type force standard machines of 10 tons, 20 tons, 30 tons, 40 tons, 50 tons, 60 tons, 70 tons, 80 tons, 90 tons, 100 tons.
Have based on this, applicant makes the present invention.
Summary of the invention:
The object of the present invention is to provide a kind of range ability very large, the superposing type force standard machine that production cost is low.
The technical scheme that the present invention takes is for achieving the above object as follows:
A kind of superposing type force standard machine of machine with wide range, it is characterized in that: include the first detecting unit and the second detecting unit, the range upper limit of the first described detecting unit is consistent with the range upper limit of superposing type force standard machine, the range upper limit that the Lower Range of the first detecting unit and second detects dress unit is consistent, and the Lower Range of second detection device is consistent with the Lower Range of superposing type force standard machine; The first described detecting unit, the power outbound course of the second detecting unit are consistent, the stressed dead in line of described tested sensor and the first detecting unit, the second detecting unit.
Further arrange and be:
Described tested sensor measurement is o'clock in the range ability of the second detecting unit time, and the first detecting unit is not worked, the second detecting unit work, and transmit stressedly by the first detecting unit, tested sensor is detected; Described tested sensor measurement is o'clock in the range ability of the first detecting unit time, and the first detecting unit and the second detecting unit work, detected tested sensor by the first detecting unit, and the second detecting unit keeps pressure to be limited to standard on its range.
The first described detecting unit comprises main machine frame, wide range dynamometry oil cylinder, wide range standard transducer, wide range standard transducer instrument, the second described detecting unit comprises reverser, small-range dynamometry oil cylinder, small-range standard transducer, small-range standard transducer instrument, wherein: main machine frame is by main machine frame base plate, main machine frame column, main machine frame upper beam composition, reverser is by reverser lower platen, reverser pull bar, reverser top board composition, wide range dynamometry oil cylinder is installed on main machine frame base plate, when not working, wide range dynamometry oil cylinder separates with reverser lower platen, when work, wide range dynamometry oil cylinder is combined with reverser lower platen, wide range standard transducer is connected with main machine frame or reverser, small-range dynamometry oil cylinder is arranged on main machine frame upper beam, small-range standard transducer and small-range dynamometry oil cylinder, reverser top board is connected respectively, reverser pull bar is through main machine frame upper beam, make directly not contact between reverser and main machine frame, tested installation of sensors is on reverser lower platen, servo-control system is by wide range standard transducer instrument, small-range standard transducer instrument, tested sensor instrument respectively with wide range standard transducer, small-range standard transducer, tested sensor is connected, servo-control system respectively with wide range dynamometry oil cylinder, small-range dynamometry oil cylinder is connected.
Wide range standard transducer is installed on the top of tested sensor, and wide range standard transducer is connected with main machine frame upper beam.
Servo-control system is at least two passage outputs, control respectively wide range dynamometry oil cylinder and small-range dynamometry oil cylinder, in the time that measurement point is in small-range standard transducer range ability, servo-control system is output as standard by small-range standard transducer instrument with small-range standard transducer, control the power output of small-range dynamometry oil cylinder, wide range dynamometry oil cylinder is not worked, but wide range standard transducer is simultaneously stressed;
Within measurement point exceedes the range ability that small-range standard transducer range ability enters wide range standard transducer time, wide range dynamometry oil cylinder is under the control of servo-control system, be output as standard by wide range standard transducer instrument with wide range standard transducer and start working, small-range dynamometry oil cylinder is limited to standard maintenance pressure on the range with small-range standard transducer.
Described wide range standard transducer is installed on the below of tested sensor, and wide range standard transducer is connected with reverser lower platen.
Described wide range standard transducer is formed in parallel by three sensors.
The first described detecting unit comprises main machine frame, wide range dynamometry oil cylinder, wide range standard transducer, wide range standard transducer instrument, the second described detecting unit comprises reverser, small-range dynamometry oil cylinder, small-range standard transducer, small-range standard transducer instrument, wherein: main machine frame is by main machine frame base plate, main machine frame column, main machine frame central sill, main machine frame upper beam composition, reverser is by reverser lower platen, reverser pull bar, reverser center platen, reverser top board composition, wide range dynamometry oil cylinder is installed on main machine frame upper beam, when not working, wide range dynamometry oil cylinder separates with reverser top board, when work, wide range dynamometry oil cylinder is combined with reverser top board, wide range standard transducer is installed on reverser lower platen, wide range standard transducer is connected with main machine frame base plate by the reverse pull bar of wide range standard transducer, small-range dynamometry oil cylinder is arranged on main machine frame central sill, small-range standard transducer and small-range dynamometry oil cylinder, reverser center platen is connected respectively, reverser pull bar is successively through main machine frame central sill, upper beam, make directly not contact between reverser and main machine frame, tested installation of sensors on main machine frame base plate and oppositely between pull bar for pulling to detection, or be installed between wide range standard transducer and main machine frame central sill for pressing to detection, servo-control system is by wide range standard transducer instrument, small-range standard transducer instrument, tested sensor instrument respectively with wide range standard transducer, small-range standard transducer, tested sensor is connected, servo-control system respectively with wide range dynamometry oil cylinder, small-range dynamometry oil cylinder is connected.
When work, servo-control system is controlled respectively small-range dynamometry oil cylinder and wide range dynamometry oil cylinder according to need of work, the small-range section that completes Standard Machine by small-range standard transducer detects the wide range section that (as 1%～10% range), wide range standard transducer complete Standard Machine and detects (as 10%～100% range), realizes the continuous detection of Standard Machine from 1%～100% range that complete.
The present invention has following beneficial effect:
1, the present invention adopts the combination of two groups or more standard transducer, dynamometry oil cylinder, make the superposing type force standard machine range of 10%～100% traditional range expand 1%～100% range to, a superposing type force standard machine completes the function of many superposing type force standard machines, greatly reduces user's production cost.Laboratory will possess the detectability of 10 tons, 20 tons, 30 tons, 40 tons, 50 tons, 60 tons, 70 tons, 80 tons, 90 tons, 100 tons LOAD CELLS as the aforementioned, 10 detections, adopt traditional superposing type force standard machine need to configure 10, adopt the present invention to adopt 1 superposing type force standard machine.
2, the present invention is simple in structure, and production cost is low, applied widely, is easy to the mass production system that realizes
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Brief description of the drawings:
The structural representation of Fig. 1 an embodiment of the present invention.
The structural representation of the branched sensor of Fig. 2 the present invention embodiment in parallel.
The structural representation of the dual-purpose embodiment of Fig. 3 tension and compression of the present invention.
Number in the figure: main machine frame base plate 1-1, main machine frame column 1-2, main machine frame upper beam 1-3, main machine frame central sill 1-4, reverser lower platen 2-1, reverser pull bar 2-2, reverser top board 2-3, reverser center platen 2-4, wide range dynamometry oil cylinder 3, small-range dynamometry oil cylinder 4, wide range standard transducer 5-1, wide range standard transducer instrument 5-2, small-range standard transducer 6-1, small-range standard transducer instrument 6-2, tested sensor 7-1, tested sensor instrument 7-2, servo-control system 8, the reverse pull bar 9 of wide range standard transducer.
Embodiment:
Embodiment 1:
As shown in Figure 1, the superposing type force standard machine of a kind of machine with wide range of the present invention, comprising: the compositions such as main machine frame 1, reverser 2, wide range dynamometry oil cylinder 3, small-range dynamometry oil cylinder 4, wide range standard transducer 5-1, wide range standard transducer instrument 5-2, small-range standard transducer 6-1, small-range standard transducer instrument 6-2, tested sensor 7-1, tested sensor instrument 7-2, servo-control system 8.Wherein: main machine frame 1 is by main machine frame base plate 1-1, main machine frame column 1-2, main machine frame upper beam 1-3 composition, reverser 2 is by reverser lower platen 2-1, reverser pull bar 2-2, reverser top board 2-3 composition.
Wide range dynamometry oil cylinder 3 is installed on main machine frame base plate 1-1, tested sensor 7-1 is installed on reverser lower platen 2-1, when wide range dynamometry oil cylinder 3 is not worked, separate with reverser lower platen 2-1, when work, wide range dynamometry oil cylinder 3 is combined with reverser lower platen 2-1; Wide range standard transducer 5-1 is connected with main machine frame 1 or reverser 2 (being only connected with one of them), in the present embodiment, wide range standard transducer 5-1 is installed on the top of tested sensor 7-1, and wide range standard transducer 5-1 is connected with main machine frame upper beam 1-3.
Small-range dynamometry oil cylinder 4 is arranged on main machine frame upper beam 1-3, small-range standard transducer 6-1 is connected respectively with small-range dynamometry oil cylinder 4, reverser top board 2-3, reverser pull bar 2-2 is through the upper hole arranging of main machine frame upper beam 1-3, make directly not contact between reverser 2 and main machine frame 1
Servo-control system 8 is connected with wide range standard transducer 5-1, small-range standard transducer 6-1, tested sensor 7-1 respectively by wide range standard transducer instrument 5-2, small-range standard transducer instrument 6-2, tested sensor instrument 7-2, and servo-control system 8 is connected with wide range dynamometry oil cylinder 3, small-range dynamometry oil cylinder 4 respectively.
The course of work of the present invention is as follows:
1, when work, user sets the measurement point of tested sensor 7-1, in the time that measurement point is in small-range standard transducer 5-1 range ability, now, wide range dynamometry oil cylinder 3 is not worked, wide range dynamometry oil cylinder 3 is thrown off with reverser lower platen 2-1, servo-control system 8 is output as standard by small-range standard transducer instrument 6-2 with small-range standard transducer 6-1, control the power output of small-range dynamometry oil cylinder 4, through reverser top board 2-3, scuffing of cylinder bore 2-2, reverser lower platen 2-1, tested sensor 7-1, simultaneously, be passed to wide range standard transducer 5-1 stressed, until the power value of this small-range force cell 6-1 is consistent with set point, servo-control system 8 records the power value of tested sensor 7-1 by tested sensor instrument 7-2, then enter down the detection of a bit.
2, within measurement point exceedes the range ability that small-range standard transducer 6-1 range ability enters wide range standard transducer 5-1 time, now, wide range dynamometry oil cylinder 3 is combined with reverser lower platen 2-1, wide range dynamometry oil cylinder 3 is under the control of servo-control system 8, being output as standard by wide range standard transducer instrument 5-2 with wide range standard transducer 5-1 starts working, small-range dynamometry oil cylinder 4 is limited to standard maintenance pressure on the range with small-range standard transducer 6-1, thereby keep the continuity of testing process, now, reverser top board 2-3 is subject to the direction of the power of small-range dynamometry oil cylinder 4, the direction of power that is subject to wide range dynamometry oil cylinder 3 with reverser lower platen 2-1 is consistent, when the power value of wide range force cell 5-1 consistent with set point, servo-control system 8 records the power value of tested sensor 7-1 by tested sensor instrument 7-2, then enter down the detection of a bit.Backhaul detects and presses the counter movement of said process, until complete the detection of whole power value points.
Embodiment 2:
Fig. 2 shows another embodiment of the invention, and in this embodiment, wide range standard transducer 5-1 is composed in parallel by 3 sensors, and the lower platen 2-1 that is installed on reverser 2 is upper, and its work embodiment is identical with embodiment 1.
Embodiment 3:
Fig. 3 is a kind of embodiment that adopts the dual-purpose structure of tension and compression of the present invention, the difference of itself and embodiment 1 is: main machine frame 1 has increased main machine frame central sill 1-4, reverser 2 has increased reverser center platen 2-4, on wide range standard transducer 5-1, be provided with a reverse pull bar 9 of wide range standard transducer, small-range dynamometry oil cylinder 4 and wide range dynamometry oil cylinder 3 apply power by reverser center platen 2-4 and reverser top board 2-3 respectively, but shown in its dynamometry principle and Fig. 1, structure is in full accord, the detection that tested sensor 7-1 is pulled to power realizes by the reverse pull bar 9 of a wide range standard transducer that is arranged at sensors of large measurement range 5-1, between wide range force cell 5-1 and main machine frame base plate 1-1 for pulling to test space, between wide range force cell 5-1 and main machine frame central sill 1-4 for pressing to space.
Claims (3)
1. the superposing type force standard machine of a machine with wide range, it is characterized in that: include the first detecting unit and the second detecting unit, the range upper limit of the first described detecting unit is consistent with the range upper limit of superposing type force standard machine, the range upper limit that the Lower Range of the first detecting unit and second detects dress unit is consistent, and the Lower Range of second detection device is consistent with the Lower Range of superposing type force standard machine; The first described detecting unit, the power outbound course of the second detecting unit are consistent, the stressed dead in line of tested sensor and the first detecting unit, the second detecting unit;
The first described detecting unit comprises main machine frame, wide range dynamometry oil cylinder, wide range standard transducer, wide range standard transducer instrument, the second described detecting unit comprises reverser, small-range dynamometry oil cylinder, small-range standard transducer, small-range standard transducer instrument, wherein: main machine frame is by main machine frame base plate, main machine frame column, main machine frame upper beam composition, reverser is by reverser lower platen, reverser pull bar, reverser top board composition, wide range dynamometry oil cylinder is installed on main machine frame base plate, when not working, wide range dynamometry oil cylinder separates with reverser lower platen, when work, wide range dynamometry oil cylinder is combined with reverser lower platen, wide range standard transducer is connected with main machine frame or reverser, small-range dynamometry oil cylinder is arranged on main machine frame upper beam, small-range standard transducer and small-range dynamometry oil cylinder, reverser top board is connected respectively, reverser pull bar is through main machine frame upper beam, make directly not contact between reverser and main machine frame, tested installation of sensors is on reverser lower platen, servo-control system is by wide range standard transducer instrument, small-range standard transducer instrument, tested sensor instrument respectively with wide range standard transducer, small-range standard transducer, tested sensor is connected, servo-control system respectively with wide range dynamometry oil cylinder, small-range dynamometry oil cylinder is connected.
2. the superposing type force standard machine of a kind of machine with wide range according to claim 1, it is characterized in that: described tested sensor measurement is o'clock in the range ability of the second detecting unit time, the first detecting unit is not worked, the second detecting unit work, and stressed by the first detecting unit transmission, tested sensor is detected; Described tested sensor measurement is o'clock in the range ability of the first detecting unit time, and the first detecting unit and the second detecting unit work, detected tested sensor by the first detecting unit, and the second detecting unit keeps pressure to be limited to standard on its range.
3. the superposing type force standard machine of a kind of machine with wide range according to claim 1, is characterized in that: wide range standard transducer is installed on the top of tested sensor, and wide range standard transducer is connected with main machine frame upper beam.
4. the superposing type force standard machine of a kind of machine with wide range according to claim 2, is characterized in that:
Servo-control system is at least two passage outputs, control respectively wide range dynamometry oil cylinder and small-range dynamometry oil cylinder, in the time that measurement point is in small-range standard transducer range ability, servo-control system is output as standard by small-range standard transducer instrument with small-range standard transducer, control the power output of small-range dynamometry oil cylinder, wide range dynamometry oil cylinder is not worked, but wide range standard transducer is simultaneously stressed;
Within measurement point exceedes the range ability that small-range standard transducer range ability enters wide range standard transducer time, wide range dynamometry oil cylinder is under the control of servo-control system, be output as standard by wide range standard transducer instrument with wide range standard transducer and start working, small-range dynamometry oil cylinder is limited to standard maintenance pressure on the range with small-range standard transducer.
5. the superposing type force standard machine of a kind of machine with wide range according to claim 2, is characterized in that: described wide range standard transducer is installed on the below of tested sensor, and wide range standard transducer is connected with reverser lower platen.
6. the superposing type force standard machine of a kind of machine with wide range according to claim 5, is characterized in that: described wide range standard transducer is formed in parallel by three sensors.
7. the superposing type force standard machine of a machine with wide range, it is characterized in that: include the first detecting unit and the second detecting unit, the range upper limit of the first described detecting unit is consistent with the range upper limit of superposing type force standard machine, the range upper limit that the Lower Range of the first detecting unit and second detects dress unit is consistent, and the Lower Range of second detection device is consistent with the Lower Range of superposing type force standard machine; The first described detecting unit, the power outbound course of the second detecting unit are consistent, the stressed dead in line of tested sensor and the first detecting unit, the second detecting unit;
The first described detecting unit comprises main machine frame, wide range dynamometry oil cylinder, wide range standard transducer, wide range standard transducer instrument, the second described detecting unit comprises reverser, small-range dynamometry oil cylinder, small-range standard transducer, small-range standard transducer instrument, wherein: main machine frame is by main machine frame base plate, main machine frame column, main machine frame central sill, main machine frame upper beam composition, reverser is by reverser lower platen, reverser pull bar, reverser center platen, reverser top board composition, wide range dynamometry oil cylinder is installed on main machine frame upper beam, when not working, wide range dynamometry oil cylinder separates with reverser top board, when work, wide range dynamometry oil cylinder is combined with reverser top board, wide range standard transducer is installed on reverser lower platen, wide range standard transducer is connected with main machine frame base plate by the reverse pull bar of wide range standard transducer, small-range dynamometry oil cylinder is arranged on main machine frame central sill, small-range standard transducer and small-range dynamometry oil cylinder, reverser center platen is connected respectively, reverser pull bar is successively through main machine frame central sill, upper beam, make directly not contact between reverser and main machine frame, tested installation of sensors on main machine frame base plate and oppositely between pull bar for pulling to detection, or be installed between wide range standard transducer and main machine frame central sill for pressing to detection, servo-control system is by wide range standard transducer instrument, small-range standard transducer instrument, tested sensor instrument respectively with wide range standard transducer, small-range standard transducer, tested sensor is connected, servo-control system respectively with wide range dynamometry oil cylinder, small-range dynamometry oil cylinder is connected.
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| CN201110457036.9A CN102564557B (en) | 2011-12-31 | 2011-12-31 | Build-up force standard machine with wide range, |
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| CN201110457036.9A CN102564557B (en) | 2011-12-31 | 2011-12-31 | Build-up force standard machine with wide range, |
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| CN102564557B true CN102564557B (en) | 2014-08-20 |
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| CN104406877A (en) * | 2014-12-04 | 2015-03-11 | 天津市计量监督检测科学研究院 | Portable force value loaded detection device |
| CN105136387B (en) * | 2015-09-24 | 2018-04-10 | 昆山市交通工程试验检测中心有限公司 | Electric cylinder loaded type force value experimental rig |
| CN105115663B (en) * | 2015-09-24 | 2018-04-06 | 昆山市交通工程试验检测中心有限公司 | Two-way force value experimental rig |
| CN108132124A (en) * | 2016-11-30 | 2018-06-08 | 北京航天计量测试技术研究所 | Zero passage continuous force calibrating device for sensors |
| CN108088594A (en) * | 2017-11-10 | 2018-05-29 | 李雪尔 | A kind of wide-range force snesor combination measurement method |
| CN108593200A (en) * | 2018-03-16 | 2018-09-28 | 海南省计量测试所 | A kind of continous way double-range superposing type force standard machine |
| CN109357812A (en) * | 2018-10-22 | 2019-02-19 | 济源市超光传感器系统工程有限公司 | A kind of dual-purpose comparison force measuring machine of simple tension and compression |
| CN109357811A (en) * | 2018-10-22 | 2019-02-19 | 济源市超光传感器系统工程有限公司 | A kind of correction pressure sensor comparison force measuring machine |
| CN109752272A (en) * | 2019-03-12 | 2019-05-14 | 贵州钢绳股份有限公司 | A kind of super-huge tensile testing machine calibration method of multi-cylinder stress and device |
| CN112903185B (en) * | 2021-01-22 | 2022-06-10 | 上海工业自动化仪表研究院有限公司 | Ten thousand tons of level force standard machines |
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