CN109000761B - Underground flowmeter calibrating device - Google Patents
Underground flowmeter calibrating device Download PDFInfo
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- CN109000761B CN109000761B CN201810650488.0A CN201810650488A CN109000761B CN 109000761 B CN109000761 B CN 109000761B CN 201810650488 A CN201810650488 A CN 201810650488A CN 109000761 B CN109000761 B CN 109000761B
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- flowmeter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
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Abstract
The invention relates to the technical field of calibrating devices, in particular to an underground flowmeter calibrating device which comprises a water pool, a water pump, a water storage tank, a pressure stabilizing tank, a measured flowmeter, an electromagnetic valve, a control console and a base, wherein two pipelines are connected to the base in a sliding mode, the measured flowmeter is connected between the two pipelines, a groove is formed in the middle of the base, a mounting plate is installed in the groove, an adjusting mechanism is installed in the middle of the upper surface of the mounting plate, guide mechanisms are symmetrically arranged on two sides of the upper surface of the mounting plate, the tops of the adjusting mechanism and the guide mechanisms are jointly connected with a top plate, the top of the top plate is connected with a clamping mechanism through the sliding mechanism, the clamping mechanism comprises a support, the support is arranged on the sliding mechanism, a hoop is installed at the top of. The device is suitable for the calibration of the underground flow meters of the same type, ensures the stable installation of the measured flow meter, and avoids errors caused by the inconvenient installation.
Description
Technical Field
The invention relates to the technical field of calibrating devices, in particular to a calibrating device for an underground flowmeter.
Background
The underground flowmeter calibrating device is used as a flow transmission standard and is standard equipment for calibrating the underground flowmeter, and mainly comprises a water tank, a non-negative-pressure steady flow tank, a water pump, a simulation well, a flow regulating valve, a high-precision instantaneous flowmeter, a control distribution box, a calibrating console and the like. Different types of downhole flowmeters have different dimensions, which causes the installation of the downhole flowmeters to be very inconvenient.
Disclosure of Invention
The invention aims to solve the problem that the installation work of an underground flowmeter is inconvenient in the prior art, and provides an underground flowmeter calibrating device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is an underground flowmeter calibrating device, which comprises a water pool, a water pump, a water storage tank, a pressure stabilizing tank, a measured flowmeter, an electromagnetic valve, a control console and a base, wherein the water pool, the water pump, the water storage tank, the pressure stabilizing tank, the measured flowmeter and the electromagnetic valve are sequentially connected through pipelines, two pipelines are slidably connected onto the base, the measured flowmeter is connected between the two pipelines, a groove is arranged in the middle of the base, a mounting plate is installed in the groove, an adjusting mechanism is installed in the middle of the upper surface of the mounting plate, guide mechanisms are symmetrically arranged on two sides of the upper surface of the mounting plate, the tops of the adjusting mechanism and the guide mechanisms are jointly connected with a top plate, the adjusting mechanism comprises an internal thread cylinder, a first screw rod and a rotary table, the internal thread cylinder is installed in the center of the, the improved clamping device is characterized in that the first screw rod is inserted into the internal thread cylinder, the first screw rod is in threaded connection with the internal thread cylinder, the rotary table is sleeved on the lower portion of the first screw rod, the top of the top plate is connected with a clamping mechanism through a sliding mechanism, the clamping mechanism comprises a support, a hoop, a second screw rod and a clamping block, the support is arranged on the sliding mechanism, the hoop is installed at the top of the support, the center of the top of the hoop is in threaded connection with the second screw rod, and the bottom of the second screw rod is connected with the clamping block in a rotating mode.
Preferably, a filter is arranged from the surge tank section to the flow meter section of the pipeline.
Preferably, the measured flow meters are provided with a plurality of groups, and each group of measured flow meters is connected with an electromagnetic valve.
Preferably, the front end and the rear end of the water storage tank are respectively provided with an electromagnetic valve, and the electromagnetic valves are also arranged between the water pool on the pipeline and the water pump.
Preferably, the guide mechanism comprises a guide rod and a guide cylinder, the guide rod is installed at the bottom of the top plate, the guide cylinder is installed at the top of the installation plate, the guide rod is inserted into the guide cylinder, and the guide rod is in clearance fit with the guide cylinder.
Preferably, slide mechanism includes spacing bolt, slider and spout, the spout sets up in the roof top, slider sliding connection is in the spout, and slider quantity is two, be connected with spacing bolt on the slider.
Preferably, the sliding groove is a T-shaped sliding groove, the sliding block is a T-shaped sliding block, and the sliding groove and the sliding block are matched with each other.
Preferably, one end of the hoop is hinged, the other end of the hoop is fixed through a bolt, the clamping blocks are arc-shaped plates, and the bottoms of the clamping blocks are provided with anti-slip pads.
The underground flowmeter calibrating device provided by the invention has the beneficial effects that: the device easy operation, convenient to use carries out the centre gripping to being surveyed the flowmeter through fixture to under the effect of grip block, ensure fixture to being surveyed the good centre gripping effect of flowmeter, lift being surveyed the flowmeter through adjustment mechanism, make being surveyed the flowmeter and be parallel with the pipeline, at last through the pipeline and being surveyed the flange interconnect of flowmeter, be suitable for the examination to kind of flowmeter in the pit, ensure to be surveyed the flowmeter installation stable, avoid causing the error for the examination because of the installation is inconvenient.
Drawings
FIG. 1 is a flow chart of the operation of a downhole flowmeter calibration apparatus according to the present invention;
FIG. 2 is a schematic view of a connection structure of a pipe and a measured flow meter structure of the calibrating device for the downhole flow meter according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is a schematic structural diagram of a clamping mechanism of a calibration apparatus for a downhole flowmeter according to the present invention.
In the figure: the device comprises a water pool 1, a pipeline 2, a water pump 3, a water storage tank 4, a pressure stabilizing tank 5, a filter 6, a measured flowmeter 7, an electromagnetic valve 8, a control console 9, a base 10, a groove 11, a mounting plate 12, an adjusting mechanism 13, an internal thread cylinder 131, a first screw 132, a rotary disc 133, a guide mechanism 14, a guide rod 141, a guide cylinder 142, a top plate 15, a sliding mechanism 16, a limit bolt 161, a sliding block 162, a sliding groove 163, a clamping mechanism 17, a support 171, an anchor ear 172, a second screw 173 and a clamping block 174.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an underground flowmeter calibrating device comprises a water tank 1, a water pump 3, a water storage tank 4, a pressure stabilizing tank 5, a measured flowmeter 7, electromagnetic valves 8, a control console 9 and a base 10, wherein the water tank 1, the water pump 3, the water storage tank 4, the pressure stabilizing tank 5, the measured flowmeter 7 and the electromagnetic valves 8 are sequentially connected through a pipeline 2, a filter 6 is arranged from the pressure stabilizing tank 5 section to the flowmeter 7 section of the pipeline 2, the measured flowmeter 7 is provided with a plurality of groups, each group of the measured flowmeters 7 is connected with the electromagnetic valves 8, the plurality of groups of the measured flowmeters 7 are subjected to comparison test, data is obtained through comparison experiments, so as to judge the calibrating result of the measured flowmeter 7, the electromagnetic valves 8 are arranged at the front end and the rear end of the water storage tank 4, the electromagnetic valves 8 are also arranged between the water tank 1 and the water pump 3 on the pipeline 2, and the opening and, water in the pool 1 is delivered into the water storage tank 4 through the water pump 3, the water pressure of the measured flowmeter 7 is kept in a flat state under the action of the pressure stabilizing tank 5, and the data of the measured flowmeter 7 are recorded by the console 9 to obtain a verification result.
Wherein two pipeline 2 sliding connection are connected on base 10 between two pipeline 2 and are connected with by flow meter 7, and base 10 middle part is equipped with recess 11, installs mounting panel 12 in the recess 11, and recess 11 is used for fixed mounting panel 12, and mounting panel 12 passes through the bolt fastening in recess 11, and mounting panel 12 passes through the bolt and accomplishes the fixed connection with base 10.
The adjusting mechanism 13 includes an internal thread cylinder 131, a first screw 132 and a rotating disc 133, the internal thread cylinder 131 is installed at the center of the bottom of the top plate 15, the first screw 132 is installed at the center of the top of the mounting plate 12 through a bearing, the first screw 132 is inserted into the internal thread cylinder 131, the first screw 132 is in threaded connection with the internal thread cylinder 131, the rotating disc 133 is sleeved on the lower portion of the first screw 132, the adjusting mechanism 13 is used for adjusting the height of the top plate 15, the first screw 132 is rotated by rotating the rotating disc 133, and the internal thread cylinder 131 ascends under the threaded matching of the first screw 132 and the internal thread cylinder 131, so that the top plate 15 ascends or descends.
The top of the top plate 15 is connected with a clamping mechanism 17 through a sliding mechanism 16, the sliding mechanism 16 comprises a limit bolt 161, a sliding block 162 and a sliding groove 163, the sliding groove 163 is arranged at the top of the top plate 15, the sliding block 162 is connected in the sliding groove 163 in a sliding mode, the number of the sliding blocks 162 is two, the limit bolt 161 is connected to the sliding block 162, the sliding groove 163 is a T-shaped sliding groove, the sliding block 162 is a T-shaped sliding block, the sliding groove 163 is matched with the sliding block 162, the sliding groove 163 and the sliding block 162 of the T-shaped structure are connected in a sliding mode more tightly, the sliding block 162 is prevented from falling from the sliding groove 163, the sliding mechanism 16 is used for adjusting the clamping mechanism 17 at the top of the sliding mechanism, the distance between the two sliding blocks 162 is adjusted, the distance between the clamping mechanism 17.
The clamping mechanism 17 comprises a bracket 171, an anchor ear 172, a second screw 173 and a clamping block 174, the bracket 171 is mounted on the sliding block 162, the anchor ear 172 is mounted at the top of the bracket 171, the second screw 173 is in threaded connection with the top of the anchor ear 172, the bottom of the second screw 173 is rotatably connected with the clamping block 174, one end of the anchor ear 172 is hinged, the other end of the anchor ear 172 is fixed by a bolt, the clamping block 174 is in an arc plate shape, an anti-slip pad is arranged at the bottom of the clamping block 174, the clamping mechanism 17 is used for clamping the measured flowmeter 7, after the distance between the two anchor ears 172 is adjusted, the concave section of the measured flowmeter 7 is arranged in the anchor ear 172, the anchor ear 172 is opened, the concave sections at the two sides of the measured flowmeter 7 are arranged on the anchor ear 172, then the anchor ear 172 is closed and locked, the pre-clamping of the measured flowmeter 7 by the anchor ear 172 is completed, the second screw 173 is rotated, so that the clamping block 174 is abutted against the measured flowmeter, accomplish the centre gripping effect to the flow meter 7 of being surveyed through grip block 174 and staple bolt 172, under adjustment mechanism 13's effect, rise to be surveyed flow meter 7, make the flow meter 7 of being surveyed that is held and pipeline 2 parallel and level, the rethread bolt will be surveyed the flange of flow meter 7 and pipeline 2's flange and be connected fixedly, accomplish the equipment of being surveyed flow meter 7 to follow-up examination work carries out.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A calibration device for an underground flowmeter comprises a water pool (1), a water pump (3), a water storage tank (4), a surge tank (5), a measured flowmeter (7), an electromagnetic valve (8), a control console (9) and a base (10), wherein the water pool (1), the water pump (3), the water storage tank (4), the surge tank (5), the measured flowmeter (7) and the electromagnetic valve (8) are sequentially connected through a pipeline (2), the calibration device is characterized in that the two pipelines (2) are slidably connected onto the base (10), the measured flowmeter (7) is connected between the two pipelines (2), a groove (11) is formed in the middle of the base (10), a mounting plate (12) is installed in the groove (11), an adjusting mechanism (13) is installed in the middle of the upper surface of the mounting plate (12), and guide mechanisms (14) are symmetrically arranged on two sides of the upper surface of the mounting plate (12), the top of the adjusting mechanism (13) and the top of the guide mechanism (14) are connected with a top plate (15) together, the adjusting mechanism (13) comprises an internal thread cylinder (131), a first screw rod (132) and a rotary table (133), the internal thread cylinder (131) is installed at the center of the bottom of the top plate (15), the first screw rod (132) is installed at the center of the top of the mounting plate (12) through a bearing, the first screw rod (132) is inserted into the internal thread cylinder (131), the first screw rod (132) is in threaded connection with the internal thread cylinder (131), the rotary table (133) is sleeved on the lower portion of the first screw rod (132), the top of the top plate (15) is connected with a clamping mechanism (17) through a sliding mechanism (16), the clamping mechanism (17) comprises a support (171), a hoop (172), a second screw rod (173) and a clamping block (174), the support (171) is arranged on the sliding, staple bolt (172) is installed at support (171) top, staple bolt (172) top center threaded connection has second screw rod (173), second screw rod (173) bottom is rotated and is connected with grip block (174).
2. A downhole flowmeter calibrating device according to claim 1, wherein a filter (6) is arranged between the surge tank (5) section and the flowmeter (7) section of the pipeline (2).
3. A downhole flowmeter calibrating device according to claim 1, wherein the flowmeters under test (7) are arranged in a plurality of groups, and each group of flowmeters under test (7) is connected with a solenoid valve (8).
4. The calibrating device for the underground flowmeter as claimed in claim 1, wherein the front and rear ends of the water storage tank (4) are provided with electromagnetic valves (8), and the electromagnetic valves (8) are arranged between the water pool (1) and the water pump (3) on the pipeline (2).
5. The calibrating device for the downhole flowmeter as recited in claim 1, wherein the guiding mechanism (14) comprises a guiding rod (141) and a guiding cylinder (142), the guiding rod (141) is mounted at the bottom of the top plate (15), the guiding cylinder (142) is mounted at the top of the mounting plate (12), the guiding rod (141) is inserted into the guiding cylinder (142), and the guiding rod (141) is in clearance fit with the guiding cylinder (142).
6. The calibrating device for the downhole flowmeter as recited in claim 1, wherein the sliding mechanism (16) comprises a limit bolt (161), a sliding block (162) and a sliding groove (163), the sliding groove (163) is arranged at the top of the top plate (15), the sliding block (162) is slidably connected in the sliding groove (163), the number of the sliding blocks (162) is two, and the limit bolt (161) is connected to the sliding block (162).
7. A downhole flowmeter calibrating device according to claim 6, wherein the slide groove (163) is a T-shaped slide groove and the slide block (162) is a T-shaped slide block, the slide groove (163) and the slide block (162) being adapted to each other.
8. The calibrating device for the downhole flowmeter as claimed in claim 1, wherein one end of the anchor ear (172) is hinged, the other end of the anchor ear (172) is fixed by a bolt, the clamping block (174) is in the shape of an arc plate, and the bottom of the clamping block (174) is provided with a non-slip mat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810650488.0A CN109000761B (en) | 2018-06-22 | 2018-06-22 | Underground flowmeter calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810650488.0A CN109000761B (en) | 2018-06-22 | 2018-06-22 | Underground flowmeter calibrating device |
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| Publication Number | Publication Date |
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| CN109000761A CN109000761A (en) | 2018-12-14 |
| CN109000761B true CN109000761B (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810650488.0A Active CN109000761B (en) | 2018-06-22 | 2018-06-22 | Underground flowmeter calibrating device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768347A (en) * | 2019-12-06 | 2020-02-07 | 深圳市众芯能科技有限公司 | Desktop charging source |
| CN112595391B (en) * | 2020-12-03 | 2024-10-15 | 广州奥松电子股份有限公司 | Flow sensor calibration fixture and system thereof |
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| JPS5612512A (en) * | 1979-07-12 | 1981-02-06 | Nippon Kokan Kk <Nkk> | Reference volume pipe system meter prober |
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| CN201382804Y (en) * | 2009-03-24 | 2010-01-13 | 辽宁机电职业技术学院 | Automatic meter clamping mechanism for detecting gas meter |
| KR101094941B1 (en) * | 2011-04-28 | 2011-12-15 | 한국기계연구원 | Apparatus for verification and calibration of flowmeter for high temperature/pressure and method using the same |
| CN103175588A (en) * | 2011-12-20 | 2013-06-26 | 江苏远传智能科技有限公司 | Full-automatic series verification calibrating device with pressure-resistant water meter |
| CN203125363U (en) * | 2013-01-28 | 2013-08-14 | 丹东通博测控工程技术有限公司 | Flow meter clamping platform device of gas flow standard device |
| CN105806453A (en) * | 2016-04-11 | 2016-07-27 | 武汉市计量测试检定（研究）所 | Liquid flow metering device |
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| CN107242718A (en) * | 2017-07-04 | 2017-10-13 | 东莞市联洲知识产权运营管理有限公司 | A kind of adjustable medical furring device with buffer gear of height |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612512A (en) * | 1979-07-12 | 1981-02-06 | Nippon Kokan Kk <Nkk> | Reference volume pipe system meter prober |
| CN102353430A (en) * | 2011-09-28 | 2012-02-15 | 中国计量科学研究院 | Pressure overflow type pressure/flow stabilizing system and method |
| CN102914343A (en) * | 2012-09-28 | 2013-02-06 | 中国科学院合肥物质科学研究院 | Non-contact type single-point liquid metal liquid level measurement device |
| CN105651360A (en) * | 2014-12-03 | 2016-06-08 | 常州市晨通电信设备厂(普通合伙) | Open-close circulating flow meter verification apparatus |
| CN106370258A (en) * | 2016-08-22 | 2017-02-01 | 广州能源检测研究院 | Clamping and centering mechanism suitable for different appearances and sizes of gas flow meters and device thereof |
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| CN109000761A (en) | 2018-12-14 |
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