CN203629749U - Working dynamometer calibrating apparatus - Google Patents
Working dynamometer calibrating apparatus Download PDFInfo
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- CN203629749U CN203629749U CN201320824587.9U CN201320824587U CN203629749U CN 203629749 U CN203629749 U CN 203629749U CN 201320824587 U CN201320824587 U CN 201320824587U CN 203629749 U CN203629749 U CN 203629749U
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- frame
- timing belt
- gag lever
- lever post
- calibrating installation
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- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000003028 elevating effect Effects 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 17
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model discloses a working dynamometer calibrating apparatus enabling free continuity of measuring points. The working dynamometer calibrating apparatus comprises a rack and a pull direction detection assisting support. The two sides of the rack are movably provided with a pair of screw rods which are arranged parallel to each other in the vertical direction. The screw rods are provided with lifting blocks. The pair of lifting blocks is connected with a horizontally-arranged lifting base. The rack is provided with a pressure sensor mounting base right facing the lifting base. The rack is also provided with a screw rod driving device. The lifting base is provided with a hanging connection member right facing the pressure sensor mounting base, the hanging connection member being matched with the pull direction detection assisting support. The working dynamometer calibrating apparatus can be widely applied to measurement and calibration of pressing direction and pull direction.
Description
Technical field
The utility model relates to a kind of calibrating installation of gauging instrument, refers 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, can detect so can not find all the time the calibrating installation that comprises multiple pattern dynamometer, cannot normally detect conventional dynamometer.For this reason, traditional calibration method is then, to be directly carried on dynamometer with standard test weight on the top of the shelf fixing 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 be used for pressing to measuring and examine and determine.
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
Utility model content
Technical problem to be solved in the utility model 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 scheme that the utility model adopts 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.
Described screw rod driving device 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 in the utility model 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 adopted in the utility model is: also include and pull to detection auxiliary stand, face pressure transducer placement seat and be provided with and detect the hanging part that matches of auxiliary stand 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.
The beneficial effects of the utility model are: screw rod driving device of the present utility model drives screw mandrel to rotate, make elevating bracket steadily lifting together with elevator, realize the object of measurement point arbitrary continuation, and, the moving range of elevating bracket is larger, can adapt to the root work dynamometer of various different sizes, simultaneously, also overcome the disadvantage of manual measurement, ensure being axially consistent of standard force-measuring lever and tested work dynamometer, keep standard force-measuring lever always in horizontality, solve 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 expand its range of application, meet the testing requirement of work dynamometer detection specification, improve accuracy of detection, strengthened sensing range, improved detection speed.
Brief description of the drawings
Fig. 1 is the structural representation of work dynamometer calibrating installation described in the utility model.
Fig. 2 is the structural representation that detects auxiliary stand that pulls to described in the utility model.
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 embodiments of the present utility model in detail.
As shown in Figure 1, a kind of work dynamometer calibrating installation, comprise: frame 1, the screw mandrel 10 (every rhizoid bar 10 is movably arranged in frame 1 by each bearing and corresponding bearing seat disposed thereon, lower end) that the both sides of frame 1 are movably set with and are a pair ofly parallel to each other, vertical direction is arranged, 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 the connecting link 15 and the movable pressure transducer placement seat that is located in the latch 16 in connecting link 15 that are 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 the connecting link 13 and the movable hanging part that is located in the latch 14 in connecting link 13 that are 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.
When 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 slow 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, in the time that needs pull to measurement calibrating, only instrument to be measured need be placed in casing 30, then, be enclosed within on connecting link 13 by adapter sleeve 31, 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 matches of auxiliary stand 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320824587.9U CN203629749U (en) | 2013-12-16 | 2013-12-16 | Working dynamometer calibrating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320824587.9U CN203629749U (en) | 2013-12-16 | 2013-12-16 | Working dynamometer calibrating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203629749U true CN203629749U (en) | 2014-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320824587.9U Withdrawn - After Issue CN203629749U (en) | 2013-12-16 | 2013-12-16 | Working dynamometer calibrating apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN203629749U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698085A (en) * | 2013-12-16 | 2014-04-02 | 张家港市计量测试所 | Calibrating device of work dynamometer |
| CN105258848A (en) * | 2015-11-26 | 2016-01-20 | 济南金钟电子衡器股份有限公司 | Mechanical transmission-type build-up force standard machine |
| CN108364545A (en) * | 2017-12-29 | 2018-08-03 | 佛山杰致信息科技有限公司 | A kind of pressure measurement play configuration |
| 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 |
-
2013
- 2013-12-16 CN CN201320824587.9U patent/CN203629749U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698085A (en) * | 2013-12-16 | 2014-04-02 | 张家港市计量测试所 | Calibrating device of work dynamometer |
| CN103698085B (en) * | 2013-12-16 | 2015-08-05 | 张家港市计量测试所 | Work dynamometer calibrating installation |
| CN105258848A (en) * | 2015-11-26 | 2016-01-20 | 济南金钟电子衡器股份有限公司 | Mechanical transmission-type build-up force standard machine |
| CN108364545A (en) * | 2017-12-29 | 2018-08-03 | 佛山杰致信息科技有限公司 | A kind of pressure measurement play configuration |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140604 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |