CN86210198U - Bridge type large tank liquid-level gauge - Google Patents
Bridge type large tank liquid-level gauge Download PDFInfo
- Publication number
- CN86210198U CN86210198U CN 86210198 CN86210198U CN86210198U CN 86210198 U CN86210198 U CN 86210198U CN 86210198 CN86210198 CN 86210198 CN 86210198 U CN86210198 U CN 86210198U CN 86210198 U CN86210198 U CN 86210198U
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- liquid level
- protecting tube
- float
- described liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 34
- 230000002441 reversible effect Effects 0.000 claims abstract description 11
- 230000005484 gravity Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 238000004880 explosion Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009730 filament winding Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
The utility model discloses a large tank liquid-level gauge for measuring the liquid level. The utility model transforms the liquid level signal detected by a float mechanism into the misalignment signal of a balance bridge, and a reversible motor is amplified and driven to make the bridge regain balance and indicate the liquid level value. The utility model has the advantages of simplicity, high reliability, high precision, long service life, simple repair, safety and being economical.
Description
The utility model relates to the measurement of liquid level.
The accumulating of crude oil, the production of chemical industry usually needs to carry out the measurement of big jar liquid level.The measurement mechanism of liquid level has varied now.For big jar of crude oil, adopt the explosion-proof float level meter of electronics more generally.As the BTY-1 type of this liquid level gauge typical case representative, it is made up of float mechanism, leverage, differential transformer, amplifier, reversible motor, gear mechanism, indicating mechanism, transmission and reception selsyn etc.Its deficiency is a complex structure, and precision is low, and roof fall accident easily takes place, and uses inconvenient maintenance.
The purpose of this utility model is that design is a kind of simply, reliable, precision is high, and have the big jar of position meter that far shows liquid level, especially to the place of bridge type temperature measuring set is housed, only increase by two kinds of measurement functions that small number of devices just can be finished temperature and liquid level.
Big jar of liquid level gauge of this bridge type is the misalignment signal that the liquid level signal that float mechanism measures is converted to balanced bridge, and the self-poise ability by the balanced bridge system restores balance electric bridge, and indicates level value.
This liquid level gauge is made up of float mechanism, electric bridge, amplifier, reversible motor and rule, sees Fig. 1 for details.It is concrete to constitute is that the rope of float mechanism is wrapped on the power wheel, and the moving up and down of float drives power wheel and slide by the rheostat cursor slide that gear mechanism drives balanced bridge one arm by rope." bridge " output terminal is dragged rheostat cursor slide and the rule pointer that is connected across " bridge " end through amplifier rear drive reversible motor by reversible motor.Wherein float mechanism is by a rope, one termination float, another termination gravity drop hammer becomes " Jiong " shape layout, above float and the gravity drop hammer each through an angle sheave after on power wheel, the speed gear that is connected with power wheel drives rheostatic cursor slide by spindle transmission gear.Rheostat is made of cursor slide, resistance dish, insulcrete and explosion-resistant enclosure.Resistance dish and cursor slide are installed on the insulcrete, the gear drive part of float mechanism also is installed on this plate, and seal in the lump by explosion-resistant enclosure, be full of transformer oil in the shell, power wheel then is exposed at outside the explosion-resistant enclosure, whole float mechanism and rheostat are by top, the fixing big jar of edge of support, and gravity drop hammer falls in outside the jar, and float falls in the jar.Float mechanism and rheostatic structural representation see Fig. 2 and Fig. 3 for details.
For isolating external influence, prolong maintenance interval and serviceable life, whole float mechanism can add protecting tube, and the profile of protecting tube is: two angle sheaves and power wheel can make the respective shapes housing that leaves maintenance removable mounting mouth, remainder is made out of tubes, and structure as shown in Figure 4.
For the liquid level that overcomes easy lime set body easily coagulates, influence the phenomenon of measuring accuracy, the utility model can be implemented companion's heat separately to float and liquid level contact position, specifically be that float and traction rope thereof are inserted in the protecting tube, protecting tube is at the bear of big jar, or make the protecting tube opening and and jar at the bottom of between leave certain clearance so that protecting tube communicates with pot liquid.At protecting tube overcoat one sealing companion thermal sleeve.Sleeve pipe for steam and hotwater tracing has import and export and valve.For electrically heat tracing sleeve pipe, a pore is arranged at top, and the power lead leading-out terminal is arranged at the bottom, and this exit place will seal, and terminal adds explosion-proof shell, external power cord cover protection metal tube.On the protecting tube that is added with insulation course of heating wire in the sleeve pipe.
Add protecting tube for whole float mechanism, also can adorn float companion thermal sleeve.
Two underarm resistance fixed resistances of electric bridge, the variable resistor of last left arm is by a miniature precision resistance R t
2With rheostat Rt
1Be in series, go up " bridge " end span and connect a rheostat double as top left and right arms resistance, the top left and right arms is also respectively gone here and there simultaneously fixed resistance." bridge " rheostat two ends also and fixed resistance arranged.Rheostat Rt
1Form by anti-oxidant resistance wire or Karma metal filament winding system, as when general, needing thermistor is changed to Rt with the bridge type temperature measuring set
1And Rt
2Series connection gets final product.
The course of work of this liquid level gauge is: when liquid level rose, because the effect of gravity drop hammer and the buoyancy of liquid level make float rise with liquid level, rope drove power wheel by angle sheave and rotates, and by speed gear, drove the rheostat cursor slide by main drive gear and slide R
T1Resistance changes thereupon, the electric bridge out of trim, and " bridge " end output signal through amplifying, drives reversible motor, drives the rule pen travel, indicates level value, and changes resistance, makes electric bridge balance again.
The utility model can be directly and XQG, XQP series of temperatures measuring bridge shared, need not to set up secondary instrument.For the place of the existing temperature survey electric bridge in scene, only needing increases small number of devices, has the characteristics simple, that cost is low.As shared,,, make precision can reach a centimetre unit level so range ability is big because its rule has 550 millimeters long with XQG type balanced bridge.The kinematic train net synchronization capability is good, and is reliable and stable, long service life, and the maintenance interval is long, and environmental baseline is not had specific demand, applied range.Live part has explosion-resistant enclosure to seal, so safety is guaranteed.As have ready conditions, the demonstration of liquid level can enter computing machine fully, and realizes unmanned control.
Embodiment 1, big jar of liquid level gauge of crude oil, and its principle and float mechanism are as depicted in figs. 1 and 2.Wherein remove Rt by Rt
1And Rt
2Outside synthetic, other parts and the amplifier of electric bridge, reversible motor, rule all adopt the original equipment of XQG type electronic equilibrium electric bridge.And float mechanism and Rt
1Then special, Rt
1Rheostat be resistance value be 40 ohm the oxidation-resistant alloy filament winding built in the insulation annulus on, annulus and cursor slide are fixed on the insulcrete in the lump, the slip center of cursor slide be fixed with spindle transmission gear and with the speed gear of its engagement, the explosion-resistant enclosure of packing in the lump at last is full of transformer oil in the housing.The power wheel that is connected with speed gear exposes outside explosion-resistant enclosure.Rt
2Be that resistance is 100 ohm an accurate miniature resistance.Float strikes out sphere by 1 millimeters thick stainless steel sheet|.Rope adopts seizing wire.Gravity drop hammer adopts the prismatic shape of cast iron cast.Angle sheave is the steel pulley, and power wheel is a steel sipes pulley, and float mechanism and rheostat support are welded by angle steel.
Description of drawings: 1 among the figure is reversible motor, the 2nd, and rule, the 3rd, rheostat explosion-resistant enclosure, the 4th, angle sheave, the 5th, power wheel, the 6th, support, the 7th, float, the 8th, gravity drop hammer, the 9th, liquid, the 10th, tank body, the 11st, cursor slide, the 12nd, speed gear, the 13rd, transmission gear, the 14th, resistance dish, the 15th, insulcrete, the 16th, the valve of giving vent to anger, the 17th, hot water circulation valve, the 18th, sleeve pipe, the 19th, protecting tube, the 20th, heating wire 21 is imported valves, the 22nd, protecting tube through hole, the 23rd, protecting tube base, the 24th, power supply terminal, the 25th, armored cassette, the 26th, power lead sleeve pipe.
Claims (8)
1, a kind of big jar of liquid level gauge of forming by float mechanism, amplifier, reversible motor and indicating mechanism, the rope that it is characterized in that the float mechanism that is made up of ball float and weight is wrapped on the power wheel, power wheel is by the rheostat cursor slide interlock of gear mechanism and electric bridge-arm, " bridge " output terminal of electric bridge connects reversible motor behind amplifier, the reversible motor rotating shaft is connected with the rheostat cursor slide and the rule pointer that are connected across " bridge " end.
2, by the described liquid level gauge of claim 1, the feature of said float mechanism is that the two ends of rope connect float and gravity drop hammer respectively, and in the upper end that is float and gravity drop hammer rope, each is wrapped on the power wheel through behind the angle sheave.
3, by claim 1 and 2 described liquid level gauges, it is characterized in that rheostat R
T1Cursor slide rotating shaft place is fixed with transmission gear, is connected on the power wheel with the speed gear of its engagement, and cursor slide, resistance dish, speed gear and transmission gear are sealed in the explosion-proof metal shell that fills with transformer oil.
4, by claim 1 and 2 described liquid level gauges, it is characterized in that float mechanism adds protecting tube.
5, by claim 1 and 2 described liquid level gauges, it is characterized in that float mechanism places vertical outer being surrounded by in the protecting tube of accompanying the heat seal sleeve pipe, protecting tube is porose at pot bottom, and steam and hotwater tracing's sleeve pipe has to be imported and exported and valve.
6, by claim 1 and 2 described liquid level gauges, it is characterized in that float mechanism places vertical outer being surrounded by in the protecting tube of accompanying the heat seal sleeve pipe, protecting tube is porose at pot bottom, mouth and valve are arranged at the sleeve pipe top, heating wire is separated with on the protecting tube of insulation course in sleeve pipe, and power lead is connected on the power supply terminal in the sleeve pipe, external seal in the terminal, terminal is covered with protection box, and circumscripted power line is with metal sleeve.
By the described liquid level gauge of claim 4, it is characterized in that outside the protecting tube of float mechanism that 7, add bag companion heat seal sleeve pipe, protecting tube is porose at pot bottom, steam and hotwater tracing's sleeve pipe has to be imported and exported and valve.
8, by the described liquid level gauge of claim 4, it is characterized in that outside the protecting tube of float mechanism, add bag companion heat seal sleeve pipe, protecting tube is porose at pot bottom, mouth and valve are arranged at the sleeve pipe top, and heating wire is separated with on the protecting tube of insulation course in sleeve pipe, and power lead is connected on the power supply terminal that is covered with armored cassette in the sleeve pipe, external seal in the terminal, the external power line is with metal sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86210198 CN86210198U (en) | 1986-12-18 | 1986-12-18 | Bridge type large tank liquid-level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86210198 CN86210198U (en) | 1986-12-18 | 1986-12-18 | Bridge type large tank liquid-level gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86210198U true CN86210198U (en) | 1987-09-30 |
Family
ID=4811934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86210198 Expired - Lifetime CN86210198U (en) | 1986-12-18 | 1986-12-18 | Bridge type large tank liquid-level gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86210198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844600A (en) * | 2018-06-25 | 2018-11-20 | 郑州艾莫弗信息技术有限公司 | A kind of adjustable measuring device for level of reservoir based on network technology |
-
1986
- 1986-12-18 CN CN 86210198 patent/CN86210198U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844600A (en) * | 2018-06-25 | 2018-11-20 | 郑州艾莫弗信息技术有限公司 | A kind of adjustable measuring device for level of reservoir based on network technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114018345B (en) | Online flow measurement system and measurement method | |
| CN86210198U (en) | Bridge type large tank liquid-level gauge | |
| CN209247207U (en) | A kind of axial pin type sensor | |
| CN213067843U (en) | Remote control liquid level meter for mixed hydrocarbon storage tank | |
| CN201672954U (en) | Electromechanical type high-precision liquid level measuring device | |
| CN101387537A (en) | Liquid level sensor | |
| CN201945368U (en) | Weighing sensor | |
| CN2143781Y (en) | Flow meter for water current in open canal | |
| CN213301401U (en) | Pressure-dividing type nuclear power station spent fuel pool liquid level measuring meter | |
| CN2227826Y (en) | Infrared rotor flowmeter | |
| CN2216247Y (en) | Liquid specific gravity real time measurer | |
| CN2308092Y (en) | Liquid density tester | |
| CN2161910Y (en) | Optical code liquid level indicator | |
| CN201532236U (en) | Floater type level meter capable of continuous far transmission | |
| CN207198259U (en) | The multi-functional detection protection device of intelligent transformer | |
| CN2288426Y (en) | Liquid level display device | |
| CN101706310B (en) | Continuous remote transmission float type level gauge | |
| CN2114147U (en) | Level (flow) indicator | |
| CN2337540Y (en) | Magneto sensitive switch precision floater type colour band liquid level meter | |
| CN201532231U (en) | Float type liquid level gauge used for high temperature high pressure or low density medium | |
| CN213041328U (en) | Deaerator water level measuring device | |
| CN85201390U (en) | Continuous measurement device for aq. drilling slurry density | |
| CN213583403U (en) | A data acquisition mechanism for oil-immersed transformers | |
| CN2426973Y (en) | Liquid flow monitor | |
| CN111103037B (en) | Intelligent multifunctional oilfield float level gauge and its monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |