CN203083673U - Third-order metal measuring instrument calibrating device capable of finely adjusting and locating liquid level by using communicating vessel method - Google Patents
Third-order metal measuring instrument calibrating device capable of finely adjusting and locating liquid level by using communicating vessel method Download PDFInfo
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- CN203083673U CN203083673U CN 201320107636 CN201320107636U CN203083673U CN 203083673 U CN203083673 U CN 203083673U CN 201320107636 CN201320107636 CN 201320107636 CN 201320107636 U CN201320107636 U CN 201320107636U CN 203083673 U CN203083673 U CN 203083673U
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Abstract
The utility model discloses a third-order metal measuring instrument calibrating device capable of finely adjusting and locating a liquid level by using a communicating vessel method. The third-order metal measuring instrument calibrating device comprises a water inlet pipe, an electromagnetic valve, a drain pipe, a water pump, a water storage pond, a water storage tank, a liquid level controller, a diversion pipe, a standard metal measuring instrument, a leveling scaffold, a hollow fine adjusting screw, a bent pipe and a fine adjusting valve; the bottle wall of a measuring neck is provided with a water through hole; when the standard metal measuring instrument works, the water through hole is lower than a standard vessel scale set by the standard metal measuring instrument; the water through hole is provided with the fine adjusting valve; a nozzle at the bottom end of the bent pipe arranged outside the measuring neck is communicated with the cavity of the fine adjusting valve; a nozzle at the top end of the bent pipe is located above the nozzle at the bottom end of the bent pipe when the standard metal measuring instrument works; and the hollow fine adjusting screw extends into the bent pipe through the nozzle at the top end of the bent pipe and is in movable fit with an internal thread arranged on the bent pipe through an external thread arranged on the hollow fine adjusting screw. The third-order metal measuring instrument calibrating device is high in calibration precision, convenient, rapid, time-saving and labor-saving in operation, better in controllability, high in degree of automation, low in labor intensity, high in working reliability and safety, and capable of reducing the measuring and calibrating costs.
Description
Technical field
The utility model relates to measurement technology, belongs to volume measurer calibration equipment, particularly the third-class metal tank calibrating installation of linker method fine setting location liquid level.
Background technology
The capacity of third-class metal tank (claiming work measuring instrument again) is to locate with the meniscus minimum point of the water in the glass tube of its metering neck connection, correct setting method is to make this minimum point tangent with the upper limb level of Liquid level scale scale mark, when promptly observing height of water level, observer's sight line must be in same surface level with scale mark upper limb and meniscus minimum point.According to capacity measuring instrument verification system table and standard capacity measure vertification regulation, third-class standard measuring device is by the relative method calibrating by measure of second-class standard measuring device.The capacity relative method is to utilize orthobaric volume to contrast the method for a kind of direct metering of other workload volume, and its feature is simple to operate, but can labor intensive, material resources.Third-class metal tank is as a kind of volumetric metering utensil commonly used, the quality of himself characteristic and the correct accounting of quality and economic benefit that whether indicated value accurately is directly connected to product.At present, at home in the related experiment chamber, still adopt artificial means to realize that operating process is loaded down with trivial details to the calibrating experiment of third-class metal tank, difficulty, intensity are higher, and a lot of links need manual intervention, poor controllability, and experimental precision is not high.
The utility model content
The purpose of this utility model is to provide the third-class metal tank calibrating installation of a kind of linker method fine setting location liquid level, the calibration accuracy height, easy to operate, quick, time saving and energy saving, controllability is better, the automaticity height, labour intensity is low, and functional reliability height, security reduce the measurement verification cost.
The purpose of this utility model is achieved in that the third-class metal tank calibrating installation of a kind of linker method fine setting location liquid level, comprise standard capacity measure, standard capacity measure is by metering neck, liquid level charactron, level gauge scale, reading vernier, taper top shell, column tube, level and taper drain pan; Taper top shell is fixedly sealed an end nozzle of column tube and the taper drain pan is sealed the other end nozzle and the taper top shell of column tube, its tip that has separately of taper drain pan all is positioned at outside the column tube so that taper top shell, column tube and taper drain pan form two ends jointly and all are taper and inner constant volume container with sealing ponding chamber, the metering neck is section shape and be packed on the shell of taper top and the water delivering orifice of metering neck bottom is communicated with the ponding chamber through the inflow port that the tip that taper top shell has is provided with linearly, on constant volume shell of tank wall, also installing liquid level charactron that is communicated with the ponding chamber and level gauge scale with volumetric metering scale mark, reciprocatingly slide or be fixed on reading vernier on the level gauge scale by the threaded fastener that carried being installed with on the level gauge scale along level gauge length of the scale direction, the reading vernier is used for rising to liquid level charactron in long-pending full ponding chamber and finally static liquid is examined and determine the medium liquid level and fixed with corresponding indication volumetric metering scale mark by threaded fastener when concordant when it; Also comprise water inlet pipe, first solenoid valve, first drain tube, first water pump, second solenoid valve, be used to take in first tank of the liquid calibrating medium of discharging by volumometer measuring device to be checked, second drain tube, reserve tank, fluid level controller, the 3rd solenoid valve, second water pump, first mozzle, the leveling foot rest that is used for the leveling standard capacity measure, the 4th solenoid valve, second mozzle, be used to take in second tank of the liquid calibrating medium of discharging by volumometer measuring device to be checked, hollow fine setting screw rod, bending tube and micrometering valve; Water inlet pipe passes to first tank and feeds reserve tank by second drain tube by first drain tube, on water inlet pipe, be connected in series first solenoid valve that is used to allow or stops the water that is positioned at water inlet pipe to flow along water inlet pipe, being connected in series first water pump that is used for the water current drainage is gone out first drain tube on first drain tube allows or stops the water that is positioned at first drain tube along the second mobile solenoid valve of first drain tube with being used to, the water delivering orifice that is provided with on the tank wall of reserve tank near its bottom passes to the ponding chamber by first mozzle and metering neck, on first mozzle, be connected in series and be used to allow or stoping the 3rd solenoid valve that the water that is positioned at first mozzle flows along first mozzle and second water pump that is used for the water current drainage that is positioned at first mozzle is gone into the ponding chamber, the head piece that goes out that the tip that the ponding chamber has by the taper drain pan is provided with is communicated with second mozzle, on second mozzle, be connected in series and be used to allow or stop the water that is positioned at the ponding chamber to flow through the 4th solenoid valve of second mozzle, standard capacity measure is packed on the leveling foot rest, on the constant volume container, installing level, on reserve tank, installing and be used to control first solenoid valve, second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve, the fluid level controller of first water pump and second pump working; Bending tube only its bottom and top has a mouth of pipe that opens wide that is communicated with the hollow tube chamber that himself forms respectively, the bottle wall of metering neck is provided with through hole, when standard capacity measure is worked, through hole is lower than the orthobaric volume scale mark that standard capacity measure is set, micrometering valve is installed on through hole, the bending tube bottom mouth of pipe in metering neck outer setting is communicated with the valve pocket of micrometering valve, the top mouth of pipe that bending tube has when standard capacity measure is worked, be positioned at the bending tube bottom mouth of pipe above, hollow fine setting screw rod through the bending tube top mouth of pipe stretch in the bending tube and the internal thread of external thread by its setting and bending tube setting movingly, the inner hollow tube chamber that forms by hollow fine setting screw rod self of bending tube is communicated with atmosphere, and micrometering valve is used for allowing when standard capacity measure work or stops rising to the liquid that measures neck inside and cover through hole in long-pending full ponding chamber and examining and determine medium via through holes and the overflow of micrometering valve valve pocket to bending tube inside.
Liquid level levelling gear of the present utility model is made of hollow fine setting screw rod, bending tube and micrometering valve, micrometering valve is the bottom that is connected standard capacity measure metering neck with thread connecting mode, its present position is lower than below the standard capacity measure design goose orthobaric volume scale mark, is formed from steel; Bending tube can clamp packing ring at bending tube and micrometering valve by being threaded with micrometering valve, and gasket materials is made of flexible material; Hollow fine setting screw rod is connected with the fine setting bend pipe with thread connecting mode, also is formed from steel.
The utility model is the same with the calibration method of existing metal tank, carries out measurement verification work according to the measurement verification regulations JJG259-2005 of the People's Republic of China (PRC), is applicable to 5～20000 liters standard capacity measure calibrating.When the liquid level of institute's liquid calibrating medium injection surpassed the height (standard capacity measure nominal volume scale value) of hollow fine setting screw rod setting, liquid calibrating medium overflowed automatically according to law of connected vessels, just can guarantee location, quantitative, constant volume.
The utility model is effectively avoided the dependence of existing calibrating installation design irrationality and human factor, assurance verification result value is accurately exported, greatly reduce testing person's labour intensity, evidence, it compared with prior art has simple in structure, the automatic accurate positioning of standard capacity measure nominal volume liquid level, the calibration accuracy height, good reproducibility, advantage such as easy to operate.Advantage of the present invention is: 1. the utility model adopts volumetric ratio that method is realized third-class metal tank is examined and determine, and the calibrating principle is simple, and it is less to participate in calculated factor; 2. the utility model utilizes the linker method, fast, the accurate level value of localization criteria volume, has replaced traditional manually control valve open and close drainage method repeatedly, when guaranteeing accurate measurement, has realized simply, working specification efficiently; 3. the utility model adopt flexibility preferably bending tube (hollow fine setting bend pipe) hollow fine setting screw rod and fine tuning valve are interconnected, under the prerequisite that guarantees measuring accuracy, the installation and maintenance of convenient field apparatus is convenient to leave certain technology gap to the utility appliance and the standard of clamping, location, leveling.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the syndeton synoptic diagram of the utility model work;
Fig. 2 is a local structure for amplifying synoptic diagram of the present utility model (mainly showing the liquid level levelling gear).
Embodiment
The third-class metal tank calibrating installation of a kind of linker method fine setting location liquid level, as shown in Figure 1 and Figure 2, comprise standard capacity measure, standard capacity measure is by metering neck 1, liquid level charactron 2, level gauge scale 7, reading vernier 6, taper top shell 8, column tube 9, level 10 and taper drain pan 11; Taper top shell 8 is fixedly sealed an end nozzle of column tube 9 and taper drain pan 11 is sealed the other end nozzle and the taper top shell 8 of column tube 9, taper drain pan 11 its tips that have separately all are positioned at outside the column tube 9 so that taper top shell 8, column tube 9 and the taper drain pan 11 common two ends that form all are taper and inner constant volume container with sealing ponding chamber, metering neck 1 is section shape and be packed on the taper top shell 8 and the water delivering orifice of metering neck 1 bottom is communicated with the ponding chamber through the inflow port that the tip that taper top shell 8 has is provided with linearly, on constant volume shell of tank wall, also installing liquid level charactron 2 that is communicated with the ponding chamber and level gauge scale 7 with volumetric metering scale mark, reciprocatingly slide or be fixed on reading vernier 6 on the level gauge scale 7 by the threaded fastener that carried being installed with on the level gauge scale 7 along level gauge scale 7 length directions, reading vernier 6 is used for rising to liquid level charactron 2 in long-pending full ponding chamber and finally static liquid is examined and determine the medium liquid level and fixed with corresponding indication volumetric metering scale mark by threaded fastener when concordant when it; Also comprise water inlet pipe, first solenoid valve 23, first drain tube, first water pump 18, second solenoid valve 17, be used to take in first tank 16 of the liquid calibrating medium of discharging by volumometer measuring device 14 to be checked (work measuring instrument to be examined and determine), second drain tube, reserve tank 22, fluid level controller 21, the 3rd solenoid valve 20, second water pump 19, first mozzle, the leveling foot rest 13 that is used for the leveling standard capacity measure, the 4th solenoid valve 12, second mozzle, be used to take in second tank 15 of the liquid calibrating medium of discharging by volumometer measuring device 14 to be checked, hollow fine setting screw rod 3, bending tube 4 and micrometering valve 5, water inlet pipe passes to first tank 16 and feeds reserve tank 22 by second drain tube by first drain tube, on water inlet pipe, be connected in series first solenoid valve 23 that is used to allow or stops the water that is positioned at water inlet pipe to flow along water inlet pipe, being connected in series first water pump 18 that is used for the water current drainage is gone out first drain tube on first drain tube allows or stops the water that is positioned at first drain tube along the second mobile solenoid valve 17 of first drain tube with being used to, the water delivering orifice that is provided with on the tank wall of reserve tank 22 near its bottom passes to the ponding chamber by first mozzle and metering neck 1, on first mozzle, be connected in series and be used to allow or stoping the 3rd solenoid valve 20 that the water that is positioned at first mozzle flows along first mozzle and second water pump 19 that is used for the water current drainage that is positioned at first mozzle is gone into the ponding chamber, the head piece that goes out that the tip that the ponding chamber has by taper drain pan 11 is provided with is communicated with second mozzle, on second mozzle, be connected in series and be used to allow or stop the water that is positioned at the ponding chamber to flow through the 4th solenoid valve 12 of second mozzle, standard capacity measure is packed on the leveling foot rest 13, on the constant volume container, installing level 10, on reserve tank 22, installing with control first solenoid valve 23, second solenoid valve 17, the 3rd solenoid valve 20, the 4th solenoid valve 12, the fluid level controller 21 of first water pump 18 and 19 work of second water pump; Bending tube 4 only its bottom and top has a mouth of pipe that opens wide that is communicated with the hollow tube chamber that himself forms respectively, the bottle wall of metering neck 1 is provided with through hole, when standard capacity measure is worked, through hole is lower than the orthobaric volume scale mark that standard capacity measure is set, micrometering valve 5 is installed on through hole, the bending tube 4 bottom mouths of pipe in metering neck 1 outer setting are communicated with the valve pocket of micrometering valve 5, the top mouth of pipe that bending tube 4 has when standard capacity measure is worked, be positioned at the bending tube 4 bottom mouths of pipe above, hollow fine setting screw rod 3 through the bending tube 4 top mouths of pipe stretch in the bending tube 4 and the internal thread of external thread by its setting and bending tube 4 settings movingly, the inner hollow tube chambers that self form by hollow fine setting screw rod 3 of bending tube 4 are communicated with atmosphere, and micrometering valve 5 is used for allowing when standard capacity measure work or stops rising to the liquid that measures neck 1 inside and cover through hole in long-pending full ponding chamber and examining and determine medium via through holes and micrometering valve 5 valve pocket overflows to bending tube 4 inside; Before calibrating volumometer measuring device 14 to be checked, the tip that the ponding chamber is had by taper drain pan 11 is provided with goes out the inflow port that head piece and second mozzle feed volumometer measuring device 14 to be checked.
As Fig. 1, shown in Figure 2, key operation step of the present utility model is: before the calibrating, open running water pipe, in cyclic water tank 22, to pump into enough liquid calibrating media through water inlet pipe, open the 3rd solenoid valve 20, micrometering valve 5, close the 4th solenoid valve 12, open second water pump 19, set second water pump, 19 continuous working durations, inject liquid calibrating medium and make the final liquid level of liquid calibrating medium be higher than orthobaric volume scale liquid level to standard capacity measure ponding chamber, adjust the liquid level levelling gear (by hollow fine setting screw rod 3, bending tube 4 and micrometering valve 5 are formed) also final concordant so that liquid level is descended with the nominal volume scale, close micrometering valve 5, opening the 4th solenoid valve 12 (bleeder valve) liquid calibrating medium nature flow in the volumometer measuring device 14 to be checked by second mozzle, read the volume numerical value that volumometer measuring device 14 to be checked is measured, record data, the output verification result is finished the calibration operation of a nominal volume value.
Claims (1)
1. a linker method is finely tuned the third-class metal tank calibrating installation of locating liquid level, comprise standard capacity measure, standard capacity measure is by metering neck (1), liquid level charactron (2), level gauge scale (7), reading vernier (6), taper top shell (8), column tube (9), level (10) and taper drain pan (11); Taper top shell (8) is fixedly sealed an end nozzle of column tube (9) and taper drain pan (11) is sealed the other end nozzle and the taper top shell (8) of column tube (9), its tip that has separately of taper drain pan (11) all is positioned at outside the column tube (9) so that taper top shell (8), column tube (9) and taper drain pan (11) form two ends jointly and all are taper and inner constant volume container with sealing ponding chamber, metering neck (1) is section shape and be packed in that taper top shell (8) is gone up and the water delivering orifice of metering neck (1) bottom is communicated with the ponding chamber through the inflow port that the tip that taper top shell (8) has is provided with linearly, on constant volume shell of tank wall, also installing liquid level charactron (2) that is communicated with the ponding chamber and level gauge scale (7) with volumetric metering scale mark, reciprocatingly slide or be fixed on reading vernier (6) on the level gauge scale (7) by the threaded fastener that carried being installed with on the level gauge scale (7) along level gauge scale (7) length direction, reading vernier (6) is used for rising to liquid level charactron (2) in long-pending full ponding chamber and finally static liquid is examined and determine the medium liquid level and fixed with corresponding indication volumetric metering scale mark by threaded fastener when concordant when it;
It is characterized in that:Also comprise water inlet pipe, first solenoid valve (23), first drain tube, first water pump (18), second solenoid valve (17), be used to take in first tank (16) of the liquid calibrating medium of discharging by volumometer measuring device to be checked (14), second drain tube, reserve tank (22), fluid level controller (21), the 3rd solenoid valve (20), second water pump (19), first mozzle, the leveling foot rest (13) that is used for the leveling standard capacity measure, the 4th solenoid valve (12), second mozzle, be used to take in second tank (15) of the liquid calibrating medium of discharging by volumometer measuring device to be checked (14), hollow fine setting screw rod (3), bending tube (4) and micrometering valve (5), water inlet pipe passes to first tank (16) and feeds reserve tank (22) by second drain tube by first drain tube, on water inlet pipe, be connected in series first solenoid valve (23) that is used to allow or stops the water that is positioned at water inlet pipe to flow along water inlet pipe, on first drain tube, be connected in series second solenoid valve (17) that is used for that the water current drainage gone out first water pump (18) of first drain tube and is used to allow or stops the water that is positioned at first drain tube to flow along first drain tube, the water delivering orifice that is provided with on the tank wall of reserve tank (22) near its bottom passes to the ponding chamber by first mozzle and metering neck (1), on first mozzle, be connected in series and be used to allow or stoping the 3rd solenoid valve (20) that the water that is positioned at first mozzle flows along first mozzle and second water pump (19) that is used for the water current drainage that is positioned at first mozzle is gone into the ponding chamber, the head piece that goes out that the tip that the ponding chamber has by taper drain pan (11) is provided with is communicated with second mozzle, on second mozzle, be connected in series and be used to allow or stop the water that is positioned at the ponding chamber to flow through the 4th solenoid valve (12) of second mozzle, standard capacity measure is packed on the leveling foot rest (13), on the constant volume container, installing level (10), on reserve tank (22), installing and be used to control first solenoid valve (23), second solenoid valve (17), the 3rd solenoid valve (20), the 4th solenoid valve (12), the fluid level controller (21) of first water pump (18) and second water pump (19) work; Bending tube (4) only its bottom and top has a mouth of pipe that opens wide that is communicated with the hollow tube chamber that himself forms respectively, the bottle wall of metering neck (1) is provided with through hole, when standard capacity measure is worked, through hole is lower than the orthobaric volume scale mark that standard capacity measure is set, micrometering valve (5) is installed on through hole, bending tube (4) the bottom mouth of pipe in metering neck (1) outer setting is communicated with the valve pocket of micrometering valve (5), the top mouth of pipe that bending tube (4) has is positioned at the top of bending tube (4) the bottom mouth of pipe when standard capacity measure is worked, hollow fine setting screw rod (3) through bending tube (4) the top mouth of pipe stretch in the bending tube (4) and the internal thread of external thread by its setting and bending tube (4) setting movingly, the inner hollow tube chamber that forms by hollow fine setting screw rod (3) self of bending tube (4) is communicated with atmosphere, and micrometering valve (5) is used for allowing when standard capacity measure work or stops rising to the liquid that measures neck (1) inside and cover through hole in long-pending full ponding chamber and examining and determine medium via through holes and micrometering valve (5) valve pocket overflow to bending tube (4) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107636 CN203083673U (en) | 2013-03-08 | 2013-03-08 | Third-order metal measuring instrument calibrating device capable of finely adjusting and locating liquid level by using communicating vessel method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107636 CN203083673U (en) | 2013-03-08 | 2013-03-08 | Third-order metal measuring instrument calibrating device capable of finely adjusting and locating liquid level by using communicating vessel method |
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| CN203083673U true CN203083673U (en) | 2013-07-24 |
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| CN 201320107636 Expired - Fee Related CN203083673U (en) | 2013-03-08 | 2013-03-08 | Third-order metal measuring instrument calibrating device capable of finely adjusting and locating liquid level by using communicating vessel method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469677A (en) * | 2017-08-24 | 2017-12-15 | 广西秀美壮乡能源环保有限公司 | One kind of multiple mixing liquid agitating devices |
| CN109084849A (en) * | 2018-07-09 | 2018-12-25 | 廊坊市远卓科技有限公司 | A kind of accurate device of volumetric method cumulative measurement |
| CN111879378A (en) * | 2020-07-24 | 2020-11-03 | 广州能源检测研究院 | Method for calculating amount of media injected into standard metal measuring device at different heights |
| CN111879379A (en) * | 2020-07-24 | 2020-11-03 | 广州能源检测研究院 | Standard metal measuring device calibration result compensation method influenced by medium and volatilization |
| CN112710367A (en) * | 2021-01-21 | 2021-04-27 | 辽宁省计量科学研究院 | Automatic calibrating device for standard metal measuring device |
-
2013
- 2013-03-08 CN CN 201320107636 patent/CN203083673U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469677A (en) * | 2017-08-24 | 2017-12-15 | 广西秀美壮乡能源环保有限公司 | One kind of multiple mixing liquid agitating devices |
| CN109084849A (en) * | 2018-07-09 | 2018-12-25 | 廊坊市远卓科技有限公司 | A kind of accurate device of volumetric method cumulative measurement |
| CN111879378A (en) * | 2020-07-24 | 2020-11-03 | 广州能源检测研究院 | Method for calculating amount of media injected into standard metal measuring device at different heights |
| CN111879379A (en) * | 2020-07-24 | 2020-11-03 | 广州能源检测研究院 | Standard metal measuring device calibration result compensation method influenced by medium and volatilization |
| CN111879378B (en) * | 2020-07-24 | 2022-03-25 | 广州能源检测研究院 | Method for calculating amount of media injected into standard metal measuring device at different heights |
| CN111879379B (en) * | 2020-07-24 | 2022-04-08 | 广州能源检测研究院 | Standard metal measuring device calibration result compensation method influenced by medium and volatilization |
| CN112710367A (en) * | 2021-01-21 | 2021-04-27 | 辽宁省计量科学研究院 | Automatic calibrating device for standard metal measuring device |
| CN112710367B (en) * | 2021-01-21 | 2023-09-05 | 辽宁省计量科学研究院 | Automatic calibrating device for standard metal measuring device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20150308 |
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| EXPY | Termination of patent right or utility model |