CN103698085A - Calibrating device of work dynamometer - Google Patents
Calibrating device of work dynamometer Download PDFInfo
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- CN103698085A CN103698085A CN201310682716.XA CN201310682716A CN103698085A CN 103698085 A CN103698085 A CN 103698085A CN 201310682716 A CN201310682716 A CN 201310682716A CN 103698085 A CN103698085 A CN 103698085A
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- frame
- timing belt
- gag lever
- lever post
- calibrating installation
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Abstract
The invention discloses a calibrating device of a work dynamometer with optional and continuous measuring points. The calibrating device comprises a rack and a pulling direction detection auxiliary support, wherein two sides of the rack are movably provided with a pair of screw rods, the screw rods are parallel to each other and are arranged in a vertical direction, the screw rods are provided with lifting blocks, the pair of lifting blocks is connected with a lifting seat which is horizontally arranged, the rack is provided with a pressure sensor installation seat just facing the lifting seat, the rack is also provided with a screw rod driving device, and the lifting seat is provided with a hanging piece which just faces the pressure sensor installation seat and is matched with the pulling direction detection auxiliary support. The calibrating device of the work dynamometer, disclosed by the invention, can be widely used for measuring and calibrating a pressing direction and a pulling direction.
Description
Technical field
The present invention relates to a kind of calibrating installation of gauging instrument, refer more particularly to a kind of work dynamometer calibrating installation.
Background technology
Work dynamometer measurement mechanism is according to the static(al) effect principle work of power, the surveying instrument (tubular dynamometer, mechanical type draw-bar donamometer, gram measurer, push-and-pull meter, axle power meter, tensiometer etc.) for surveying work with dynamometer.
At present, dynamometer (dynamometer) is widely used in drawing, pressing force measurement.Because the pattern of dynamometer is unrestricted, so can not find all the time, can detect the calibrating installation that comprises multiple pattern dynamometer, cannot conventional dynamometer normally be detected.For this reason, traditional calibration method is that dynamometer is fixed on the top of the shelf, then, with standard test weight, is directly carried on dynamometer, measures dynamometry evaluation.The shortcoming of this method is: measurement point is confined to the quality of various counterweights, is the numerical value of several interruptions; And, can only do unidirectional measurement calibrating, that is to say and can only pull to measurement, can not measure calibrating for pressing to.
For above-mentioned reasons, current dynamometer testing, always in part test item, can not be carried out all events detection to dynamometer.At present, verification process adopts manual measurement mostly, and the accuracy of instrument can not keep optimum condition, is easy to produce error, can not be in the accuracy that truly embodies instrument
Summary of the invention
Technical matters to be solved by this invention is: the work dynamometer calibrating installation that a kind of measurement point arbitrary continuation is provided.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: work dynamometer calibrating installation, comprise: frame, the screw mandrel that the both sides of frame are movably set with and are a pair ofly parallel to each other, vertical direction is arranged, on screw mandrel, be provided with elevator, on a pair of elevator, be connected with a horizontally disposed elevating bracket, in described frame, face elevating bracket and be provided with pressure transducer placement seat, in frame, be also provided with screw rod driving device.
In described frame, be also provided with upper and lower spacing protective device.
Described is upper, lower limit protective device comprises: one is movably arranged on the gag lever post paralleling with screw mandrel in frame, gag lever post passes from elevating bracket, and upper at elevating bracket, below is respectively arranged with at least one locating sleeve, on locating sleeve, offer locking screw pit, in locking screw pit, be provided with lock-screw, gag lever post upper, bottom is respectively arranged with, lower spring cup, gag lever post is arranged with upper reset spring above upper spring seat, the bottom surface of upper spring seat and the upper end of upper reset spring lean against in frame, gag lever post is arranged with lower back-moving spring below lower spring cup, the lower end of lower back-moving spring leans against in frame, in described frame, face the upper of gag lever post, below is respectively arranged with, lower position switch.
The drive unit of described screw mandrel comprises: be arranged on drive motor and reducer casing in frame, the output shaft of drive motor is connected with the input shaft of reducer casing by shaft coupling, on the output shaft of reducer casing, be provided with Timing Belt driving wheel, the lower end of described screw mandrel is provided with the Timing Belt engaged wheel matching with Timing Belt driving wheel, in described frame, be provided with the stretching pulley matching with Timing Belt driving wheel and a pair of Timing Belt engaged wheel, on Timing Belt driving wheel, a pair of Timing Belt engaged wheel and stretching pulley, be arranged with Timing Belt.
Further technical matters to be solved by this invention is: provide a kind of not only can for press to measure calibrating, but also can be for pulling to the work dynamometer calibrating installation of measuring calibrating.
For solving above-mentioned further technical matters, the technical solution used in the present invention is: also include and pull to detection auxiliary stand, face pressure transducer placement seat and be provided with and detect the hanging part that auxiliary stand matches with pulling on described elevating bracket.
The described detection auxiliary stand that pulls to comprises: casing, on the top cover of casing, be provided with the web member matching with described hanging part, and on the base plate of casing, offer the gap matching with described pressure transducer placement seat.
Beneficial effect of the present invention is: screw rod driving device of the present invention drives screw mandrel to rotate, make elevating bracket steadily lifting together with elevator, realized the object of measurement point arbitrary continuation, and, the moving range of elevating bracket is larger, the root work dynamometer that can adapt to various different sizes, simultaneously, also overcome the disadvantage of manual measurement, guaranteed being axially consistent of standard force-measuring lever and tested work dynamometer, kept standard force-measuring lever always in horizontality, solved in the past the problem that insurmountable work dynamometer always presses to detection, and the accuracy that makes instrument has obtained reliable guarantee.In addition, owing to being provided with upper and lower spacing protective device, effectively prevented damage instrument to be measured and benchmark instrument being caused due to abnormal conditions such as misoperationes; In addition, the additional detection auxiliary stand that pulls to, make this calibrating installation not only can be used for pressing to measure calibrating, but also can be used for pulling to and measure calibrating, greatly expanded its range of application, met the testing requirement of work dynamometer detection standard, improve accuracy of detection, strengthened sensing range, improved detection speed.
Accompanying drawing explanation
Fig. 1 is the structural representation of work dynamometer calibrating installation of the present invention.
Fig. 2 is the structural representation that detects auxiliary stand that pulls to of the present invention.
Reference numeral in Fig. 1 to Fig. 2: 1, frame, 2, drive motor, 3, reducer casing, 4, shaft coupling, 5, Timing Belt driving wheel, 6, stretching pulley, 7, Timing Belt engaged wheel, 9, Timing Belt, 10, screw mandrel, 11, elevator, 12, elevating bracket, 13, connecting link, 14, latch, 15, connecting link, 16, latch, 20, gag lever post, 21, upper spring seat, 22, lower spring cup, 23, upper limit circle, 24, lower limit circle, 25, upper reset spring, 26, lower back-moving spring, 27, upper limit position switch, 28, lower position switch, 29, locating sleeve, 30, casing, 31, adapter sleeve, 32, pin hole, 33, gap.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiment of the invention scheme in detail.
As shown in Figure 1, a kind of work dynamometer calibrating installation, comprise: frame 1, the screw mandrel 10 that the both sides of frame 1 are movably set with and are a pair ofly parallel to each other, vertical direction is arranged (every rhizoid bar 10 is movably arranged in frame 1 by each bearing and corresponding bearing seat disposed thereon, lower end), on screw mandrel 10, be provided with elevator 11, its concrete set-up mode is: in elevator 11, be provided with the threaded hole matching with the screw thread of screw mandrel 10, screw mandrel 10 is located in the threaded hole of elevator 11, this is to being connected with a horizontally disposed elevating bracket 12 on elevator 11, the middle part that faces elevating bracket 12 in described frame 1 is provided with and comprises connecting link 15 and the movable pressure transducer placement seat that is located in the latch 16 in connecting link 15 being fixed in frame 1, in described frame 1, be provided with screw rod driving device, its structure comprises: be arranged on drive motor 2 and reducer casing 3 in frame 1, the output shaft of drive motor 2 is connected with the input shaft of reducer casing 3 by shaft coupling 4, on the output shaft of reducer casing 3, be provided with Timing Belt driving wheel 5, the lower end of described screw mandrel 10 is provided with the Timing Belt engaged wheel 7 matching with Timing Belt driving wheel 5, in described frame 1, be also provided with the stretching pulley 6 matching with Timing Belt driving wheel 5 and a pair of Timing Belt engaged wheel 7, Timing Belt driving wheel 5, on a pair of Timing Belt engaged wheel 7 and stretching pulley 6, be arranged with Timing Belt 9, in described frame 1, be also provided with upper and lower spacing protective device, its structure comprises: a gag lever post 20 paralleling with screw mandrel 10 being movably arranged in frame 1, gag lever post 20 passes from elevating bracket 12, and be respectively arranged with at least one locating sleeve 29 at the upper and lower of elevating bracket 12, on locating sleeve 29, offer locking screw pit, in locking screw pit, be provided with lock-screw, gag lever post 20 upper, bottom is respectively arranged with upper spring seat 21 and lower spring cup 22, the bottom surface of upper spring seat 21 leans against in frame 1, frame 1 is provided with the upper limit circle 23 matching with gag lever post 20 above upper spring seat 21, gag lever post 20 is arranged with upper reset spring 25 above upper spring seat 21, the upper end of gag lever post 20 passes from upper limit circle 23, gag lever post 20 is arranged with lower back-moving spring 26 below lower spring cup 22, the lower end of lower back-moving spring 26 leans against on the lower limit circle 24 being arranged in frame 1, in described frame 1, face the upper of gag lever post 20, below is respectively arranged with upper limit position switch 27 and lower position switch 28, here upper, lower position switch 27 and 28 adopts travel switch conventionally, described calibrating installation also includes and pulls to detection auxiliary stand, faces connecting link 15 in pressure transducer placement seat and be provided with and comprise connecting link 13 and the movable hanging part that is located in the latch 14 in connecting link 13 being fixed on elevating bracket 12 on described elevating bracket 12, as shown in Figure 2, the described detection auxiliary stand that pulls to, its structure comprises: casing 30, on the top cover of casing 30, be provided with the adapter sleeve 31 as web member matching with described connecting link 13, on adapter sleeve 31, offer the pin hole 32 matching with latch 14, on the base plate of casing 30, offer the gap 33 matching with connecting link 15.
During practical application, the speed ratio of described reducer casing 3 is set as 1:20, and can be by changing the rotating speed of drive motor 2, allow reducer casing 3 export different rotating speeds, conventionally be arranged to two grades, i.e. fast shelves and slowly shelves, fast shelves are used for allowing elevating bracket 12 put in place fast, after slow shelves are used for putting in place, elevating bracket 12 can steadily be pressed down lentamente and on draw instrument to be measured.This device can directly press to measures calibrating, when needs pull to measurement calibrating, only instrument to be measured need be placed in casing 30, then, by adapter sleeve 31, be enclosed within on connecting link 13, plug latch 14, and stretch out downwards in the gap 33 of the detecting head that makes instrument to be measured from the base plate of casing 30, be serially connected on connecting link 15 together with benchmark probe.
Claims (6)
1. work dynamometer calibrating installation, comprise: frame, it is characterized in that: the screw mandrel that the both sides of described frame are movably set with and are a pair ofly parallel to each other, vertical direction is arranged, on screw mandrel, be provided with elevator, on a pair of elevator, be connected with a horizontally disposed elevating bracket, in described frame, face elevating bracket and be provided with pressure transducer placement seat, in frame, be also provided with screw rod driving device.
2. work dynamometer calibrating installation according to claim 1, is characterized in that: in described frame, be also provided with upper and lower spacing protective device.
3. work dynamometer calibrating installation according to claim 2, it is characterized in that: described is upper, lower limit protective device comprises: one is movably arranged on the gag lever post paralleling with screw mandrel in frame, gag lever post passes from elevating bracket, and upper at elevating bracket, below is respectively arranged with at least one locating sleeve, on locating sleeve, offer locking screw pit, in locking screw pit, be provided with lock-screw, gag lever post upper, bottom is respectively arranged with, lower spring cup, gag lever post is arranged with upper reset spring above upper spring seat, the bottom surface of upper spring seat and the upper end of upper reset spring lean against in frame, gag lever post is arranged with lower back-moving spring below lower spring cup, the lower end of lower back-moving spring leans against in frame, in described frame, face the upper of gag lever post, below is respectively arranged with, lower position switch.
4. work dynamometer calibrating installation according to claim 1, it is characterized in that: the drive unit of described screw mandrel comprises: be arranged on drive motor and reducer casing in frame, the output shaft of drive motor is connected with the input shaft of reducer casing by shaft coupling, on the output shaft of reducer casing, be provided with Timing Belt driving wheel, the lower end of described screw mandrel is provided with the Timing Belt engaged wheel matching with Timing Belt driving wheel, in described frame, be provided with the stretching pulley matching with Timing Belt driving wheel and a pair of Timing Belt engaged wheel, Timing Belt driving wheel, on a pair of Timing Belt engaged wheel and stretching pulley, be arranged with Timing Belt.
5. work dynamometer calibrating installation according to claim 4, is characterized in that: also include and pull to detection auxiliary stand, face pressure transducer placement seat and be provided with and detect the hanging part that auxiliary stand matches with pulling on described elevating bracket.
6. work dynamometer calibrating installation according to claim 5, it is characterized in that: described pulling to detects auxiliary stand and comprise: casing, on the top cover of casing, be provided with the web member matching with described hanging part, on the base plate of casing, offer the gap matching with described pressure transducer placement seat.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310682716.XA CN103698085B (en) | 2013-12-16 | 2013-12-16 | Work dynamometer calibrating installation |
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|---|---|---|---|
| CN201310682716.XA CN103698085B (en) | 2013-12-16 | 2013-12-16 | Work dynamometer calibrating installation |
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| CN103698085A true CN103698085A (en) | 2014-04-02 |
| CN103698085B CN103698085B (en) | 2015-08-05 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142239A (en) * | 2014-08-22 | 2014-11-12 | 苏州昌飞自动化设备厂 | Buffer pressurization mechanism of axle spring composite test device |
| CN104458114A (en) * | 2014-10-31 | 2015-03-25 | 自贡市嘉特数控机械制造有限公司 | Shaft type tension sensor positioning checking fixture tool |
| CN107290102A (en) * | 2017-04-27 | 2017-10-24 | 沈阳金凯瑞科技有限公司 | A kind of integrated correction device |
| CN109374199A (en) * | 2018-12-07 | 2019-02-22 | 哈尔滨市计量检定测试院 | A kind of dynamometer calibrating installation |
| CN109556786A (en) * | 2018-11-23 | 2019-04-02 | 杭州电子科技大学 | A kind of manual pulling force and tension test and sensor calibration apparatus |
| CN110793716A (en) * | 2019-11-27 | 2020-02-14 | 湖南景程电子科技有限公司 | Mounting device for pressure sensor calibration |
| CN109269384B (en) * | 2018-11-07 | 2021-01-08 | 安徽省岳西缸套有限公司 | Cylinder jacket hole diameter measuring device |
| CN113945304A (en) * | 2021-12-21 | 2022-01-18 | 常州曼淇威压力控制技术有限公司 | Pressure sensor detection system and manufacturing method |
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| CN203629749U (en) * | 2013-12-16 | 2014-06-04 | 张家港市计量测试所 | Working dynamometer calibrating apparatus |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142239A (en) * | 2014-08-22 | 2014-11-12 | 苏州昌飞自动化设备厂 | Buffer pressurization mechanism of axle spring composite test device |
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| CN107290102A (en) * | 2017-04-27 | 2017-10-24 | 沈阳金凯瑞科技有限公司 | A kind of integrated correction device |
| CN107290102B (en) * | 2017-04-27 | 2019-05-24 | 沈阳金凯瑞科技有限公司 | A kind of integrated correction device |
| CN109269384B (en) * | 2018-11-07 | 2021-01-08 | 安徽省岳西缸套有限公司 | Cylinder jacket hole diameter measuring device |
| CN109556786A (en) * | 2018-11-23 | 2019-04-02 | 杭州电子科技大学 | A kind of manual pulling force and tension test and sensor calibration apparatus |
| CN109374199A (en) * | 2018-12-07 | 2019-02-22 | 哈尔滨市计量检定测试院 | A kind of dynamometer calibrating installation |
| CN109374199B (en) * | 2018-12-07 | 2024-01-19 | 哈尔滨市计量检定测试院 | Dynamometer calibrating device |
| CN110793716A (en) * | 2019-11-27 | 2020-02-14 | 湖南景程电子科技有限公司 | Mounting device for pressure sensor calibration |
| CN113945304A (en) * | 2021-12-21 | 2022-01-18 | 常州曼淇威压力控制技术有限公司 | Pressure sensor detection system and manufacturing method |
| CN113945304B (en) * | 2021-12-21 | 2022-03-08 | 常州曼淇威压力控制技术有限公司 | Pressure sensor detection system and manufacturing method |
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| CN103698085B (en) | 2015-08-05 |
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