CN203443732U - Lever and dead weight compound force standard machine - Google Patents
Lever and dead weight compound force standard machine Download PDFInfo
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- CN203443732U CN203443732U CN201320533075.7U CN201320533075U CN203443732U CN 203443732 U CN203443732 U CN 203443732U CN 201320533075 U CN201320533075 U CN 201320533075U CN 203443732 U CN203443732 U CN 203443732U
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Abstract
The utility model discloses a lever and dead weight compound force standard machine. The lever and dead weight compound force standard machine comprises a level type force standard machine and a dead weight type force standard machine. The level type force standard machine comprises a first frame-form frame, a lever beam which is connected with the first frame-form frame and rotates by taking the first frame-form frame as a fulcrum, a first reverse rack connected with one end of the lever beam, and a first mobile crossbeam which is connected with the first frame-form frame and passes through the first reverse rack. The dead weight type force standard machine comprises a second frame-form frame, a suspension rod connected with the other end of the lever beam, a second reverse rack connected with the suspension rod, a second mobile crossbeam which is movably connected with the second frame-form frame and passes through the second reverse rack, and a counterweight loading device connected with the lower side of the second reverse rack. The lever and dead weight compound force standard machine is integrated with multiple purposes, i.e., two functions of the level type force standard machine and the dead weight type force standard machine are simultaneously integrated into the compound force standard machine, and at the same time the detection precision is improved.
Description
Technical field
The utility model relates to a kind of force standard machines, particularly a kind of lever dead weight combined type force standard machine.
Background technology
Sensor is to contact for direct or indirect and measurand, measured parameter is changed into the signal that can directly measure, and it is processed and the necessary raw information of decision-making for system provides, and is the key link in modern measure system.Along with the appearance of various sensor, require the measure of production department that it is tested comprehensively and accurately, is examined and determine, and provide consistent technical indicator reliably.And in the test of sensor, identify, in calibration process, force standard machines is that force measuring machine is its key equipment, according to the difference of the kind of drive, force standard machines roughly has four kinds of citation forms: net gravitational force formula, lever, fluid pressure type, superposing type, in the force measuring machine of above four kinds of patterns, force standard machine cost is lower, lever force measuring machine easily obtains larger power value, hydraulic force measurement machines cost is lower, general people can according to own needs selection wherein one or more, select a kind of words can be limited to when the various sensor of test, select multiple words cost chance higher, need a kind of force standard machines that can simultaneously test great force value and small force transducer badly.
Utility model content
The purpose of this utility model is just to provide a kind of can demarcation small force transducer, the lever Dead Weigh Force Standard Machine that can demarcate great force value sensor again.
For addressing the above problem, the utility model provides a kind of lever dead weight combined type force standard machine, comprise Lever-type Standard Force Measuring Machine and Dead Weigh Force Standard Machine, described Lever-type Standard Force Measuring Machine comprises the first shaped as frame frame, be connected in the upside of described the first shaped as frame frame and take described the first shaped as frame frame is fulcrum the lever beam, the first reverse frame that is connected in described lever beam one end and the mobile link that rotate in described the first shaped as frame frame and passes the first moving beam of the described first reverse frame; The second reverse frame, mobile link that described Dead Weigh Force Standard Machine comprises the second shaped as frame frame, be connected in the suspension rod of the described lever beam other end, be connected in described suspension rod are in described the second shaped as frame frame and through the second moving beam of the described second reverse frame and the counterweight charger that is connected in the described second reverse frame downside.
Preferably, described counterweight charger comprise the 3rd shaped as frame frame and be arranged at respectively the hanging scaffold of described the 3rd shaped as frame frame inner side, hang nail, loading counterweight and elevating mechanism, described the 3rd shaped as frame frame support is arranged at the downside of described the second shaped as frame frame; Described hanging scaffold is connected in the downside of the described second reverse frame; Described hanging followed closely the downside that is connected in described hanging scaffold; Described in being connected in, hangs by described loading counterweight the downside of nail; The downside of counterweight is sent out in described elevating mechanism support and connection in described loading.
Preferably, described loading counterweight comprises that multi-turn arranges and ring weight independent of each other with one heart, and described elevating mechanism comprises a plurality of jacking gears of the corresponding described multi-ring annular counterweight of a plurality of difference; The downside of a plurality of ring weights described in the corresponding support and connection of described a plurality of elevating mechanism.
Preferably, described Lever-type Standard Force Measuring Machine also comprises for adjusting the balanced weight of described lever beam sensitivity and for adjusting the balancing weight of the balance of described lever beam, described balanced weight is arranged at the rotating fulcrum place of described lever beam; Described balancing weight is arranged on the lever beam of described Lever-type Standard Force Measuring Machine one side.
Preferably, described Dead Weigh Force Standard Machine also comprises lever beam locking device, dismountable being connected on described suspension rod of described lever beam locking device.
Preferably, described dead weight type safe power standard set-up also comprises creep lifting gear, and described creep lifting gear is arranged on described suspension rod.
Preferably, described the first shaped as frame frame comprises the first base, the first top board and support and connection the first guide pillar and the first elevating screw between described the first base and the first top board, and described lever beam is articulated and connected in the upside of described the first top board; Described the first moving beam revolves to move and is connected on described the first elevating screw and is slidably connected on described the first guide pillar; Described the second shaped as frame frame comprises the second base, the second top board, support and connection the second guide pillar and the second elevating screw between described the second base and the second top board, and described the second moving beam revolves to move and is connected on described the second elevating screw and is slidably connected on described the second guide pillar; Described the 3rd shaped as frame frame comprises the 3rd base, the 3rd top board and support and connection the 3rd column between described the 3rd base and the 3rd top board; Described the 3rd top plate supporting is connected in the downside of described the second base; Described elevating mechanism is arranged on described the 3rd base.
Preferably, the described first reverse frame and the second reverse frame are square frame, and described square frame comprises the side frame of upper side frame and lower frame described in upper side frame, lower frame and support and connection; The upside of the upper side frame of the described first reverse frame is connected on described lever beam; Described the first moving beam is arranged between the upper side frame of the described first reverse frame and the lower frame of the first reverse frame; The upside of the upper side frame of the described second reverse frame connects described suspension rod; The downside of the lower frame of the described second reverse frame connects described charger; Described the second moving beam is arranged between the upper side frame of the described second reverse frame and the lower frame of the second reverse frame.
Preferably, described the first elevating screw and the second elevating screw are also respectively arranged with rotating driving device.
Preferably, the upper side frame downside of the described first reverse frame is provided with the first reverse frame pull head, the lower frame upside of the described first reverse frame is provided with the first reverse frame platen, and the both sides of described the first moving beam are respectively arranged with first moving beam pull head and the first moving beam pressure head relative with the first reverse frame platen with the described first reverse frame pull head; The upper side frame downside of the described second reverse frame is provided with the second reverse frame platen; The lower frame upside of the described second reverse frame is provided with the second reverse frame pull head, and the both sides of described the second moving beam are respectively arranged with second moving beam pull head and the second moving beam platen relative with the second reverse frame pull head with the described second reverse frame platen.
Adopt the beneficial effect of this technical scheme to be, (1) realization of this machine a tractor serves several purposes, possessed two kinds of functions of Lever-type Standard Force Measuring Machine and Dead Weigh Force Standard Machine simultaneously, both can distinguish independent use, also can be used in conjunction with, expand the measurement range of force standard machines, select different use-patterns, can to LOAD CELLS, load sensor and standard dynamometer etc., detect respectively, powerful, measurement range is wide; (2) by being used in conjunction with of Lever-type Standard Force Measuring Machine and Dead Weigh Force Standard Machine, learn from other's strong points to offset one's weaknesses each other, improved the accuracy of measuring.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Fig. 2 is the front elevation of the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Fig. 3 is the front elevation of the first shaped as frame frame in the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Fig. 4 is the structural representation of the first reverse frame in the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Fig. 5 is the front elevation of the second shaped as frame frame embodiment 1 in the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Fig. 6 is the front elevation of the second reverse frame in the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Fig. 7 is the front elevation of counterweight charger embodiment 1 in the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Fig. 8 is the front elevation of lever beam embodiment 1 in the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Fig. 9 loads the front elevation of counterweight embodiment 2 in the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Figure 10 is the stereographic map of elevating mechanism embodiment 2 in the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Figure 11 is the front elevation of lever beam embodiment 2 in the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Figure 12 is the front elevation of the second shaped as frame frame embodiment 2 in the disclosed a kind of lever dead weight combined type force standard machine of the utility model;
Figure 13 is the front elevation of the second shaped as frame frame embodiment 3 in the disclosed a kind of lever dead weight combined type force standard machine of the utility model.
Wherein,,, 11 of the first frame-shaped frame, 111 first base 112 first top plate 113. First guide column 114. First lifting screw, 12. Lever beam, , 121. surgeon Cheng, 122 main blade, 123. balanced mound, 124. weights, and 13 first reverse frame, 131 first reverse frame sliders, 132 first reverse frame pressure plate, and 14 first moves beams, 141 first mobile beam pressure plate, 142 second beam moving sliders, 21 second box-shaped frame, 211 second base ,, 212 second top plate, 213 second pillar, 214 second lifting screw, and 22. boom, 23 second reverse frame, 231 second reverse pressure plate frame ,, 232 second reverse frame sliders, 24 second moving beams, and 241 second slider moving beam, 242 second beam moving platen, 25. weight loading device, 251 the third box-shaped rack, 252. hanging plate, 253. hang nail, 254. loaded weights, 2541. inner ring weights 2542. Hoop weights in,,, 2543. outside Hoop weights,,, 255. lifting mechanism, 2551. inner lifting devices, 2552. circle lifting device,, 2553. outer lifting device.
Embodiment
Below in conjunction with accompanying drawing, describe a preferred embodiment of the present utility model in detail.
Referring to Fig. 1-Fig. 8, as shown in legend wherein, a kind of lever dead weight combined type force standard machine, comprise a Lever-type Standard Force Measuring Machine 1 and a Dead Weigh Force Standard Machine 2, Lever-type Standard Force Measuring Machine 1 comprises one first shaped as frame frame 11, be connected in the upside of the first shaped as frame frame 11 and take the first shaped as frame frame 11 is fulcrum the lever beam 12, the one first reverse frame 13 that is connected in lever beam 12 one end and the mobile link that rotate in the first shaped as frame frame 11 and passes one first moving beam 14 of the first reverse frame 13; One second reverse frame 23, mobile link that Dead Weigh Force Standard Machine 2 comprises one second shaped as frame frame 21, be connected in a suspension rod 22 of lever beam 12 other ends, be connected in suspension rod 22 are in the second shaped as frame frame 21 and through one second moving beam 24 of the second reverse frame 23 and a counterweight charger that is connected in the second reverse frame 23 downsides.
The hanging scaffold 252, one that above-mentioned counterweight charger comprises one the 3rd shaped as frame frame 251 and is arranged at respectively the 3rd shaped as frame frame 251 inner sides hangs nail 253, and loads counterweight and support with 254 and one elevating mechanism 255, the three shaped as frame frames 251 downside that is arranged at the second shaped as frame frame 21; Hanging scaffold 252 is connected in the downside of the second reverse frame 23; Hang the downside that nail 252 is connected in hanging scaffold 252; Load counterweight 254 and be connected in the downside that hangs nail 253; Elevating mechanism 255 support and connection are in the downside that loads counterweight 254.
The first shaped as frame frame 11 comprises one first base 111, one first top board 112 and support and connection four the first guide pillars 113 and two the first elevating screws 114 between the first base 111 and the first top board 112, and lever beam 12 is articulated and connected in the upside of the first top board 112; The first moving beam 14 revolves to move and is connected on the first elevating screw 114 and is slidably connected on the first guide pillar 113; The second shaped as frame frame 12 comprises that two the second guide pillars 123 between the second base 121 and the second top board 122 of one second base 121, one second top board 122, support and connection and two the second elevating screw 124, the second moving beams 24 revolve to move and is connected on the second elevating screw 124 and is slidably connected on the second guide pillar 123; The 3rd shaped as frame frame 251 comprises one the 3rd base 2511, one the 3rd top board 2512 and one three column 2513 of support and connection between the 3rd base 2511 and the 3rd top board 2512; The 3rd top board 2512 support and connection are in the downside of the second base 121; Elevating mechanism 255 is arranged on the 3rd base 2511.
The first reverse frame 13 and the second reverse frame 23 are square frame, and this square frame comprises the side frame of upper side frame and lower frame described in upper side frame, lower frame and support and connection; The upside of the upper side frame of the first reverse frame 13 is connected on lever beam 12; The first moving beam 14 is arranged between the upper side frame of the first reverse frame 13 and the lower frame of the first reverse frame 13; The upside of the upper side frame of the second reverse frame 23 connects suspension rod 253; The downside of the lower frame of the second reverse frame 23 connects hanging scaffold 252; The second moving beam 24 is arranged between the upper side frame of the second reverse frame 23 and the lower frame of the second reverse frame 23.
The first elevating screw 114 and the second elevating screw 124 are also respectively arranged with rotating driving device.
The upper side frame downside of the first reverse frame 13 is provided with the first reverse frame pull head 131, the both sides that the lower frame upside of the first reverse frame 13 is provided with the first reverse frame platen 132, the first moving beams 14 are respectively arranged with one first moving beam pull head 141 and the one first moving beam pressure head 142 relative with the first reverse frame platen 132 with the first reverse frame pull head 131; The upper side frame downside of the second reverse frame 23 is provided with one second reverse frame platen 231, the both sides that the lower frame upside of the second reverse frame 23 is provided with one second reverse frame pull head 232, the second moving beams 24 are respectively arranged with one second moving beam pull head 241 and the one second moving beam platen 242 relative with the second reverse frame pull head 232 with the second reverse frame platen 231.
Introduce principle of work of the present utility model below.
By 25 pairs second reverse framves 23 of counterweight charger, apply a power, the pulling force sensor to be measured of a certain great force value is connected between the first reverse frame pull head 131 and the first moving beam pull head 141 or by the testing pressure sensor of a certain great force value and is connected between the first reverse frame platen 132 and the first moving beam platen 142; Rotating driving device by the first elevating screw 114 drives the first elevating screw 114 rotations, and drive the first moving beam 14 to move down, thereby make pulling force sensor to be measured or testing pressure sensor draw actual indicating value, according to the relation of first reverse frame 13 arm of forces and second reverse frame 23 arm of forces, calculate the theoretical indicating value of pulling force sensor to be measured or testing pressure sensor, by contrasting above-mentioned actual indicating value and theoretical indicating value, carry out the error of calibration sensor, adopt this technical scheme, can demarcate great force value sensor.
By 25 pairs second reverse framves 23 of counterweight charger, apply a power, the pulling force sensor to be measured of a certain small value force is connected between the second reverse frame pull head 231 and the second moving beam pull head 241 or by the testing pressure sensor of a certain small value force and is connected between the second reverse frame platen 232 and the second moving beam platen 242; Rotating driving device by the second elevating screw 214 drives the second elevating screw 214 rotations, and drive the second moving beam 24 to move up, thereby make pulling force sensor to be measured or testing pressure sensor draw actual indicating value, according to counterweight charger, can know the theoretical indicating value of pulling force sensor to be measured or testing pressure sensor, by contrasting above-mentioned actual indicating value and theoretical indicating value, carry out the error of calibration sensor, adopt this technical scheme, can demarcate small force transducer.
Referring to Fig. 1-Fig. 6, Fig. 9-Figure 10, as shown in legend wherein, all the other are identical with described embodiment 1, difference is, load counterweight 254 and comprise concentric setting and inner ring ring weight 2541 independent of each other, centre circle ring weight 2542 and outer ring ring weight 2543, elevating mechanism 255 comprises inner ring jacking gear 2551, centre circle jacking gear 2552 and the outer ring jacking gear 2553 of corresponding inner ring ring weight 2541, centre circle ring weight 2542 and outer ring ring weight 2543 respectively; The downside of inner ring jacking gear 2551, centre circle jacking gear 2552 and the corresponding support and connection inner ring of outer ring jacking gear 2553 ring weight 2541, centre circle ring weight 2542 and outer ring ring weight 2543.
Adopt the technical program, can adjust size or the no loading of loaded weight, during one or more in only using wherein inner ring ring weight 2541, centre circle ring weight 2542 and outer ring ring weight 2543, only need to control its corresponding jacking gear and decline, thereby make to hang nail 253 tightly stretching being connected on hanging scaffold 252; When not using a certain or whole ring weights, only need to control its corresponding jacking gear and rise, thereby make to hang nail 253 unsettled being connected on hanging scaffold 252, now the second reverse frame 23 is subject to part power or does not stress.
Embodiment 3
Referring to Fig. 1-Fig. 6, Fig. 9-Figure 11, as shown in legend wherein, all the other are identical with described embodiment 2, difference is, described Lever-type Standard Force Measuring Machine also comprises for adjusting a balanced weight 123 of lever beam 12 sensitivity and for adjusting a balancing weight 124 of the balance of lever beam 12, balanced weight 123 is arranged at the operator of lever beam 12 and holds 121 places; Balancing weight 124 is arranged on the lever beam 12 of Lever-type Standard Force Measuring Machine one side.
Embodiment 4
Referring to Fig. 1-Fig. 4, Fig. 6, Fig. 9-Figure 12, as shown in legend wherein, all the other are identical with described embodiment 3, and difference is, and Dead Weigh Force Standard Machine 2 also comprises a lever beam locking device 26, and lever beam locking device 26 is dismountable to be connected on suspension rod 22.
Lever-type Standard Force Measuring Machine 1 and Dead Weigh Force Standard Machine 2 can be used separately, also can be used in conjunction with.
Embodiment 5
Referring to Fig. 1-Fig. 4, Fig. 6, Fig. 9-Figure 113, as shown in legend wherein, all the other are identical with described embodiment 4, and difference is preferably, and Dead Weigh Force Standard Machine 2 also comprises a creep lifting gear 27, and creep lifting gear 27 is arranged on suspension rod 22.
Adopt the beneficial effect of this technical scheme to be, (1) realization of this machine a tractor serves several purposes, possessed two kinds of functions of Lever-type Standard Force Measuring Machine and Dead Weigh Force Standard Machine simultaneously, both can distinguish independent use, also can be used in conjunction with, expand the measurement range of force standard machines, select different use-patterns, can to LOAD CELLS, load sensor and standard dynamometer etc., detect respectively, powerful, measurement range is wide; (2) by being used in conjunction with of Lever-type Standard Force Measuring Machine and Dead Weigh Force Standard Machine, learn from other's strong points to offset one's weaknesses each other, improved the accuracy of measuring.
The above is only preferred implementation of the present utility model, it should be pointed out that not departing under the prerequisite of the utility model creation design, and can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. a lever dead weight combined type force standard machine, it is characterized in that, comprise Lever-type Standard Force Measuring Machine and Dead Weigh Force Standard Machine, described Lever-type Standard Force Measuring Machine comprises the first shaped as frame frame, be connected in the upside of described the first shaped as frame frame and take described the first shaped as frame frame is fulcrum the lever beam, the first reverse frame that is connected in described lever beam one end and the mobile link that rotate in described the first shaped as frame frame and passes the first moving beam of the described first reverse frame; The second reverse frame, mobile link that described Dead Weigh Force Standard Machine comprises the second shaped as frame frame, be connected in the suspension rod of the described lever beam other end, be connected in described suspension rod are in described the second shaped as frame frame and through the second moving beam of the described second reverse frame and the counterweight charger that is connected in the described second reverse frame downside.
2. lever dead weight combined type force standard machine according to claim 1, it is characterized in that, described counterweight charger comprise the 3rd shaped as frame frame and be arranged at respectively the hanging scaffold of described the 3rd shaped as frame frame inner side, hang nail, loading counterweight and elevating mechanism, described the 3rd shaped as frame frame support is arranged at the downside of described the second shaped as frame frame; Described hanging scaffold is connected in the downside of the described second reverse frame; Described hanging followed closely the downside that is connected in described hanging scaffold; Described in being connected in, hangs by described loading counterweight the downside of nail; The downside of counterweight is sent out in described elevating mechanism support and connection in described loading.
3. lever dead weight combined type force standard machine according to claim 2, it is characterized in that, described loading counterweight comprises that multi-turn arranges and ring weight independent of each other with one heart, and described elevating mechanism comprises a plurality of jacking gears of the corresponding described multi-ring annular counterweight of a plurality of difference; The downside of a plurality of ring weights described in the corresponding support and connection of described a plurality of elevating mechanism.
4. lever dead weight combined type force standard machine according to claim 3, it is characterized in that, described Lever-type Standard Force Measuring Machine also comprises for adjusting the balanced weight of described lever beam sensitivity and for adjusting the balancing weight of the balance of described lever beam, described balanced weight is arranged at the rotating fulcrum place of described lever beam; Described balancing weight is arranged on the lever beam of described Lever-type Standard Force Measuring Machine one side.
5. lever dead weight combined type force standard machine according to claim 3, is characterized in that, described Dead Weigh Force Standard Machine also comprises lever beam locking device, dismountable being connected on described suspension rod of described lever beam locking device.
6. lever dead weight combined type force standard machine according to claim 3, is characterized in that, described Dead Weigh Force Standard Machine also comprises creep lifting gear, and described creep lifting gear is arranged on described suspension rod.
7. according to the arbitrary described lever dead weight combined type force standard machine of claim 4-6, it is characterized in that, described the first shaped as frame frame comprises the first base, the first top board and support and connection the first guide pillar and the first elevating screw between described the first base and the first top board, and described lever beam is articulated and connected in the upside of described the first top board; Described the first moving beam revolves to move and is connected on described the first elevating screw and is slidably connected on described the first guide pillar; Described the second shaped as frame frame comprises the second base, the second top board, support and connection the second guide pillar and the second elevating screw between described the second base and the second top board, and described the second moving beam revolves to move and is connected on described the second elevating screw and is slidably connected on described the second guide pillar; Described the 3rd shaped as frame frame comprises the 3rd base, the 3rd top board and support and connection the 3rd column between described the 3rd base and the 3rd top board; Described the 3rd top plate supporting is connected in the downside of described the second base; Described elevating mechanism is arranged on described the 3rd base.
8. lever dead weight combined type force standard machine according to claim 7, is characterized in that, the described first reverse frame and the second reverse frame are square frame, and described square frame comprises the side frame of upper side frame and lower frame described in upper side frame, lower frame and support and connection; The upside of the upper side frame of the described first reverse frame is connected on described lever beam; Described the first moving beam is arranged between the upper side frame of the described first reverse frame and the lower frame of the first reverse frame; The upside of the upper side frame of the described second reverse frame connects described suspension rod; The downside of the lower frame of the described second reverse frame connects described charger; Described the second moving beam is arranged between the upper side frame of the described second reverse frame and the lower frame of the second reverse frame.
9. lever dead weight combined type force standard machine according to claim 8, is characterized in that, described the first elevating screw and the second elevating screw are also respectively arranged with rotating driving device.
10. lever dead weight combined type force standard machine according to claim 9, it is characterized in that, the upper side frame downside of the described first reverse frame is provided with the first reverse frame pull head, the lower frame upside of the described first reverse frame is provided with the first reverse frame platen, and the both sides of described the first moving beam are respectively arranged with first moving beam pull head and the first moving beam pressure head relative with the first reverse frame platen with the described first reverse frame pull head; The upper side frame downside of the described second reverse frame is provided with the second reverse frame platen, the lower frame upside of the described second reverse frame is provided with the second reverse frame pull head, and the both sides of described the second moving beam are respectively arranged with second moving beam pull head and the second moving beam platen relative with the second reverse frame pull head with the described second reverse frame platen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320533075.7U CN203443732U (en) | 2013-08-30 | 2013-08-30 | Lever and dead weight compound force standard machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320533075.7U CN203443732U (en) | 2013-08-30 | 2013-08-30 | Lever and dead weight compound force standard machine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106500909A (en) * | 2017-01-05 | 2017-03-15 | 湖北省计量测试技术研究院 | A kind of hydraulic pressure superimposion formula power standard set-up |
| CN106679884A (en) * | 2017-01-25 | 2017-05-17 | 福建省计量科学研究院 | First-grade hanger of net weight type force standard machine |
| CN107219036A (en) * | 2017-05-05 | 2017-09-29 | 中国计量科学研究院 | The small force value standard set-up of dead weight type safe supported based on air-bearing |
| CN108020311A (en) * | 2017-12-29 | 2018-05-11 | 苏州市计量测试研究所 | Device for peeling is exempted from a kind of counterweight loading of electronic crane scale |
| CN109211684A (en) * | 2018-10-10 | 2019-01-15 | 吉林大学 | A kind of mechanical high-temerature creep testing machine of achievable automatic and accurate load |
| CN109596195A (en) * | 2018-11-15 | 2019-04-09 | 北京航天计量测试技术研究所 | A kind of mass measuring method and device based on principle of moment balance |
| CN109900424A (en) * | 2019-03-01 | 2019-06-18 | 辽宁红沿河核电有限公司 | A kind of method of lever force standard machines and its test space adjust automatically |
| WO2020037559A1 (en) * | 2018-08-22 | 2020-02-27 | 河北省计量监督检测研究院 | Weight loading device |
| CN113959550A (en) * | 2021-09-28 | 2022-01-21 | 无锡市检验检测认证研究院 | Unequal-arm balance loading unit, weighbridge calibrating device and weighbridge calibrating method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106500909A (en) * | 2017-01-05 | 2017-03-15 | 湖北省计量测试技术研究院 | A kind of hydraulic pressure superimposion formula power standard set-up |
| CN106679884A (en) * | 2017-01-25 | 2017-05-17 | 福建省计量科学研究院 | First-grade hanger of net weight type force standard machine |
| CN107219036A (en) * | 2017-05-05 | 2017-09-29 | 中国计量科学研究院 | The small force value standard set-up of dead weight type safe supported based on air-bearing |
| CN107219036B (en) * | 2017-05-05 | 2020-09-01 | 中国计量科学研究院 | Dead weight type micro-force value standard device based on air bearing support |
| CN108020311A (en) * | 2017-12-29 | 2018-05-11 | 苏州市计量测试研究所 | Device for peeling is exempted from a kind of counterweight loading of electronic crane scale |
| WO2020037559A1 (en) * | 2018-08-22 | 2020-02-27 | 河北省计量监督检测研究院 | Weight loading device |
| CN109211684A (en) * | 2018-10-10 | 2019-01-15 | 吉林大学 | A kind of mechanical high-temerature creep testing machine of achievable automatic and accurate load |
| CN109596195A (en) * | 2018-11-15 | 2019-04-09 | 北京航天计量测试技术研究所 | A kind of mass measuring method and device based on principle of moment balance |
| CN109596195B (en) * | 2018-11-15 | 2020-10-23 | 北京航天计量测试技术研究所 | Mass measurement method and device based on moment balance principle |
| CN109900424A (en) * | 2019-03-01 | 2019-06-18 | 辽宁红沿河核电有限公司 | A kind of method of lever force standard machines and its test space adjust automatically |
| CN113959550A (en) * | 2021-09-28 | 2022-01-21 | 无锡市检验检测认证研究院 | Unequal-arm balance loading unit, weighbridge calibrating device and weighbridge calibrating method |
| CN113959550B (en) * | 2021-09-28 | 2023-05-23 | 无锡市检验检测认证研究院 | Unequal arm balance loading unit, ground balance verification device and ground balance verification method |
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