CN102785873B - Cargo volume indication device of liquid cargo tank car - Google Patents
Cargo volume indication device of liquid cargo tank car Download PDFInfo
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- CN102785873B CN102785873B CN201210287017.0A CN201210287017A CN102785873B CN 102785873 B CN102785873 B CN 102785873B CN 201210287017 A CN201210287017 A CN 201210287017A CN 102785873 B CN102785873 B CN 102785873B
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Abstract
The invention discloses a cargo volume indication device of a liquid cargo tank car. The cargo volume indication device of the liquid cargo tank car is provided with a guide pipe which is fixedly arranged on a tank body. The upper end of the guide pipe stretches out of the top of tank body and is connected with a flange. The lower end of the guide pipe stretches into the inner chamber of the tank body and is connected with a throttle plate. A capacity dial is arranged on the flange. A rotating shaft is arranged on the capacity dial. A dial pointer is fixedly connected onto the rotating shaft. A floating ball is arranged in the guide pipe. An ejector pin is arranged above the floating ball. The upper end of the ejector pin is connected with the rotating shaft through a transmission mechanism, so as to convert floating height variation values of the floating balls into rotating angle values of the dial pointer and intuitively identify the rotating angle values through the capacity dial. The cargo volume indication device of the liquid cargo tank car has the advantages of high efficiency, high accuracy and high safety, and can be widely used on railway tank cars for containing and transporting liquid media.
Description
Technical field
The present invention relates to load and transport railway or the road tank vehicle of liquid medium, refer to particularly the vehicle-mounted goods volumetric marks of a kind of liquid cargo tanks device.
Background technology
For the tank car of shipment diesel oil, gasoline, crude oil, edible wet goods liquid medium goods, struck capacity (weight and volume) and empty volume have safely very important impact to transportation and vehicle operating.If overload of vehicle or empty volume are excessive, can increase train and impact and carload, cause vehicle part because of undercapacity generation rhegma or fracture, when serious, can cause vehicle derailing accident.Therefore, the 84 article of regulation of < < Railway Dangerous Goods Transport rule > >: " tank car fills the dangerous cargo of non-liquid gas class; on the expansion space of tank body useful volume, be limited to 5%; under be limited to 20% ", while being tank car loading liquid medium goods, the useful volume of its actual load should be between 80～95% of total measurement (volume), and empty volume should be between 5～20%.
At present, the tank car of shipment liquid goods is all generally to utilize the liquid level of lade to identify charging capacity and the volume of leaving a blank in advance.A volume scale with scale mark is normally installed at manhole place, tank body top, and when goods liquid level reaches scale mark height, the corresponding volumetric values of scale mark is the goods volume that tank body loads.Conventionally volume scale has two types, and the first volume scale indicates when goods liquid level reaches its lower plane, shows that the volume of tank body lade has reached the maximum useful volume of regulation.The second volume scale indicates when goods liquid level reaches scale mark height, and the volume that shows tank body lade is the corresponding volumetric values of scale mark.Generally speaking, prior art exists following 3 deficiencies:
One, because volume scale is arranged in tank body, during observation, observation personnel need climb up tank body top, and open Manhole Sealing Joints lid, therefore, observation personnel operational security is poor, labour intensity is large.
The mouth of stocking up while two, being again tank body loading due to manhole therefore, need stop loading operation when observation volume scale, also needs ground and tank body top personnel to dock cooperation simultaneously, thereby has extended the tank body loading operation time, has reduced loading efficiency.
While three, observing volume scale by observation personnel at manhole place, tank body top, can only look side ways scale mark and the goods liquid level of volume scale, meanwhile, during loading, because goods flow is impacted, goods liquid level is in constantly height fluctuating.Therefore, observed result error is large, can not effective monitoring to tank device goods volume and empty volume, be easy to overload and underload, and directly have influence on safety of railway traffic and economic benefit.
Summary of the invention
Object of the present invention is exactly will provide a kind of and can either accurately identify stowage, can improve loading operation efficiency again, can also guarantee to observe the vehicle-mounted goods volumetric marks of the liquid cargo tanks device of personal security.
For achieving the above object, the vehicle-mounted goods volumetric marks of the liquid cargo tanks device that the present invention is designed, have a guide pipe being fixed on tank body, the top that tank body is stretched out in the upper end of described guide pipe is connected with ring flange, and the inner chamber that tank body is stretched in the lower end of described guide pipe is connected with choke block; On described ring flange, be provided with volume index dial, on described volume index dial, be provided with rotation axis, on described rotation axis, be fixedly connected with tuning drive gear; In described guide pipe, be provided with ball float, the top of described ball float is provided with push rod, the upper end of described push rod is connected with rotation axis by gear train, thereby the flying height changing value of ball float is converted to the rotational angle value of tuning drive gear, and by volume index dial sign directly perceived out.
As one of preferred version, described gear train comprises the lever that its shaft is fixedly connected with rotation axis, and one end of described lever is provided with chute, and the upper end of described push rod is hinged in chute by pin slide.
Further, the other end of described lever is provided with counterpoise.
As two of preferred version, described gear train comprises a gear being fixedly mounted on rotation axis, and the upper end of described push rod offers tooth bar, and described wheel and rack forms the transmission that pair of meshing coordinates.
Further, described gear is the gear of weight eccentric structure, and centered by rotation axis, its center of gravity is positioned at the opposite side relative with tooth bar.
Again further, be provided with the transparent shield for covering all exposed parts on described ring flange, the two supports of described rotation axis is on the two side of transparent shield.
Further, described ball float is fixedly connected with the lower end of push rod.
Principle of work of the present invention is such: when the goods liquid level of tank body reaches while contacting with ball float, liquid goods produces buoyancy to ball float; When goods liquid level raises, under buoyancy, ball float is along with liquid goods moves upward, thereby by gear train, drive rotation axis rotation with push rod, rotation axis rotates together with tuning drive gear again, so just the height value of goods liquid level is converted into the pendulum angle of tuning drive gear, tuning drive gear swings rear indicated volume scale value on volume index dial, is the volume of loading liquid goods in tank body.
The following several respects of advantage major embodiment of the present invention:
One, the present invention can, at the volume of the outside directly observation of tank body tank body loading liquid goods, not need operating personnel climb up tank body top or open manhole cover, thereby can improve security, alleviates operation labor intensity.
They are two years old, the present invention can a people carry out loading operation and the observation of tank body loading liquid goods volume simultaneously, when observation tank body loading liquid goods volume, do not need tank body top and Ground Operation docking to coordinate, do not need to stop the loading operation of tank body yet, thereby can shorten the tank body loading operation time, improve operating efficiency.
They are three years old, the present invention can directly read the volume of tank body lade from volume index dial, the data that show can be avoided impacting because of goods flow the deviation that causes that liquid level height rises and falls and observation personnel visual angle error is brought, thereby can improve the observation accuracy of tank body loading liquid goods volume.
Its four, wide adaptability of the present invention, not only can be used on railway liquid tank car, also can be used in numerous occasions such as highway liquid tank car, boats and ships fluid storage storehouse, large-scale liquid container.
Accompanying drawing explanation
Fig. 1 is the installation site schematic diagram of the vehicle-mounted goods volumetric marks of liquid cargo tanks of the present invention device on tank car.
Fig. 2 is the structural representation of the embodiment of the present invention 1.
Fig. 3 is the force analysis figure of ball float and push rod in embodiment 1.
Fig. 4 is the fundamental diagram of embodiment 1.
Fig. 5 be embodiment 1 correlated variables be related to schematic diagram.
Fig. 6 is the deflection schematic diagram of tuning drive gear in embodiment 1.
Fig. 7 is the structural representation of the embodiment of the present invention 2.
Fig. 8 is the fundamental diagram of embodiment 2.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
The vehicle-mounted goods volumetric marks of liquid cargo tanks of the present invention device, comprises guide pipe 2, push rod 3, ring flange 4, tuning drive gear 5, transparent shield 6, volume index dial 7, rotation axis 9, gear train, ball float 12 and choke block 13.
Referring to Fig. 1, the vehicle-mounted goods volumetric marks of liquid cargo tanks device is fixed on the tank body 1 of tank car, and wherein a part is in tank body 1, and another part is outside tank body 1 top.The side of the vehicle-mounted goods volumetric marks of liquid cargo tanks device is manhole 15.
Referring to Fig. 2, the top that tank body 1 is stretched out in the upper end that is weldingly fixed on the guide pipe 2 on tank body 1 is connected with ring flange 4, and the inner chamber that tank body 1 is stretched in the lower end of guide pipe 2 is connected with choke block 13.On described ring flange 4, be provided with volume index dial 7, described rotation axis 9 is arranged on volume index dial 7, on volume index dial 7, each volume scale value calculates according to tank body 1 size and goods liquid level, described tuning drive gear 5 is fixedly connected on rotation axis 9, described ball float 12 is arranged in guide pipe 2, described push rod 3 is arranged at the top of ball float 12, described choke block 13 impacts and when ball float 12 does not contact with liquid goods, supports ball float 12 for cushioning the interior liquid goods of tank body 1, choke block 13 is provided with aperture and plays ball float 12 so that liquid goods flows to conduit 2 Netos, in the present embodiment, guide pipe 2 is steel pipe, described ball float 12 is fixedly connected with the lower end of push rod 3.
The upper end of described push rod 3 is connected with rotation axis 9 by gear train, thereby the flying height changing value of ball float 12 is converted to the rotational angle value of tuning drive gear 5, and by volume index dial 7 sign directly perceived out, tuning drive gear 5 initial positions are determined with the height that goods liquid level contacts by presetting ball float 12 with the initial stowage of tank body 1, in the present embodiment, described gear train is lever transmission mechanism, it comprises the lever 10 that its shaft is fixedly connected with rotation axis 9, one end of described lever 10 is provided with chute 10.1, the upper end of described push rod 3 is slide hinged in chute 10.1 by bearing pin 11.The other end of described lever 10 is fixed with counterpoise 8, and the weight capable of regulating of counterpoise 8 makes the arm of force of lever 10 two ends when ball float 12 does not contact with liquid goods keep balance.
Described transparent shield 6 is located on ring flange 4, and for covering all exposed parts, the two supports of described rotation axis 9 is on the two side of transparent shield 6.
Referring to Fig. 3 to Fig. 6, when ball float 12 does not contact with liquid goods, its weight is supported by choke block 13, the inner top surface discrepancy in elevation that presets initial ball float 12 bottom surfaces and tank body 1 is H0, when liquid goods liquid level reaches the initial position of ball float 12, ball float 12 contacts with liquid goods, and ball float 12 and push rod 3 are subject to liquid goods buoyancy F upwards, using ball float 12 and push rod 3 as one, its stressed relational expression is as follows:
F=3.14×h
2×(SR-1/3×h)×d
In formula:
H-ball float 12 sinks to the liquid goods degree of depth,
SR-ball float 12 radiuses,
D-liquid goods proportion.
In Fig. 3, W represents ball float 12 and push rod 3 weight sums, and P represents lever 10 counter-forces, and it is realized by adjusting counterweight 8 weight, wherein, and P < W.What ball float 12 and push rod 3 were suffered makes a concerted effort for F-W+P.When F-W+P > 0, ball float 12 and push rod 3 activation lever 10 are up; When F-W+P≤0, ball float 12 and push rod 3 activation lever 10 are descending, return to initial position.And lever 10 drives tuning drive gear 5 to swing by rotation axis 9, indicated volume scale value after tuning drive gear 5 swings, the volume of the inner top surface discrepancy in elevation that is liquid goods and tank body 1 interior loading liquid goods of tank body during for (H0-H1).
In Fig. 4 to Fig. 6, when ball float 12 and push rod 3 move upward distance during for H1, lever 10 rotational angles are A, both sides relation as shown in the formula:
L1-lever 10 initial position rotating force arm lengths;
L2-lever 10 rotates the rotating force arm lengths after A angle;
When the goods liquid level of tank body 1 reaches ball float 12 elemental height, liquid goods produces buoyancy to ball float 12; When goods liquid level raises, under buoyancy, ball float 12 is along with liquid goods moves upward, thereby rotates with push rod 3 activation lever 10; When lever 10 rotates, with rotation axis 9, rotate, rotation axis 9 rotates together with tuning drive gear 5 again, so just the height value of goods liquid level is converted into the pendulum angle of tuning drive gear 5, tuning drive gear 5 swings rear indicated volume scale value, is the volume of the interior loading liquid goods of tank body 1.
Referring to Fig. 7, embodiment 2 is substantially the same manner as Example 1, difference is: in the present embodiment, described gear train is gear drive, comprise gear 14, described gear 14 is fixedly mounted on rotation axis 9, the upper end of push rod 3 offers tooth bar 3.1, described gear 14 forms with tooth bar 3.1 transmission that pair of meshing coordinates, in optimum embodiment, described gear 14 is the gear of weight eccentric structure, centered by rotation axis 9, its center of gravity is positioned at the opposite side relative with tooth bar 3.1, and capable of regulating, to guarantee that gear 14 rotating torque when ball float 12 does not contact with liquid goods keeps balance.
Referring to Fig. 3, now W still represents ball float 12 and push rod 3 weight sums again, and P represents gear 14 counter-forces, and it is realized by adjusting gear 14 weight eccentric positions.Wherein, P < W.What ball float 12 and push rod 3 were suffered makes a concerted effort for F-W+P.When F-W+P > 0, tooth bar 3.1 driven wheels 14 on ball float 12 and push rod 3 clockwise rotate; When F-W+P≤0, tooth bar 3.1 driven wheels 14 on ball float 12 and push rod 3 rotate counterclockwise, and return to initial position.And gear 14 drives tuning drive gear 5 to swing by rotation axis 9, indicated volume scale value after tuning drive gear 5 swings, the volume of the inner top surface discrepancy in elevation that is liquid goods and tank body 1 interior loading liquid goods of tank body during for (H0-H1).
Referring to Fig. 8, when ball float 12 and push rod 3 move upward distance during for H1, gear 14 rotational angles are A, both sides relation as shown in the formula:
The modulus of m-gear 14, the number of teeth of Z-gear 14;
When the goods liquid level of tank body 1 reaches ball float 12 elemental height, liquid goods produces buoyancy to ball float 12; When goods liquid level raises, under buoyancy, ball float 12 is along with liquid goods moves upward, thereby rotates with push rod 3 driven wheels 14; When gear 14 rotates, with rotation axis 9, rotate, rotation axis 9 rotates together with tuning drive gear 5 again, so just the height value of goods liquid level is converted into the pendulum angle of tuning drive gear 5, tuning drive gear 5 swings rear indicated volume scale value, is the volume of the interior loading liquid goods of tank body 1.
Claims (5)
1. the vehicle-mounted goods volumetric marks of a liquid cargo tanks device, it is characterized in that: this device has a guide pipe (2) being fixed on tank body (1), the top that tank body (1) is stretched out in the upper end of described guide pipe (2) is connected with ring flange (4), and the inner chamber that tank body (1) is stretched in the lower end of described guide pipe (2) is connected with choke block (13); On described ring flange (4), be provided with volume index dial (7), on described volume index dial (7), be provided with rotation axis (9), on described rotation axis (9), be fixedly connected with tuning drive gear (5); In described guide pipe (2), be provided with ball float (12), the top of described ball float (12) is provided with push rod (3), the upper end of described push rod (3) is connected with rotation axis (9) by gear train, thereby the flying height changing value of ball float (12) is converted to the rotational angle value of tuning drive gear (5), and by volume index dial (7) sign directly perceived out; Wherein,
Described gear train comprises the lever (10) that its shaft is fixedly connected with rotation axis (9), and one end of described lever (10) is provided with chute (10.1), and the upper end of described push rod (3) is slide hinged in chute (10.1) by bearing pin (11).
2. the vehicle-mounted goods volumetric marks of liquid cargo tanks according to claim 1 device, is characterized in that: the other end of described lever (10) is provided with counterpoise (8).
3. the vehicle-mounted goods volumetric marks of liquid cargo tanks according to claim 1 and 2 device, it is characterized in that: on described ring flange (4), be provided with the transparent shield (6) for covering all exposed parts, the two supports of described rotation axis (9) is on the two side of transparent shield (6).
4. the vehicle-mounted goods volumetric marks of liquid cargo tanks according to claim 1 and 2 device, is characterized in that: described ball float (12) is fixedly connected with the lower end of push rod (3).
5. the vehicle-mounted goods volumetric marks of liquid cargo tanks according to claim 3 device, is characterized in that: described ball float (12) is fixedly connected with the lower end of push rod (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210287017.0A CN102785873B (en) | 2012-08-13 | 2012-08-13 | Cargo volume indication device of liquid cargo tank car |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210287017.0A CN102785873B (en) | 2012-08-13 | 2012-08-13 | Cargo volume indication device of liquid cargo tank car |
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| CN102785873A CN102785873A (en) | 2012-11-21 |
| CN102785873B true CN102785873B (en) | 2014-04-16 |
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| CN103723909A (en) * | 2013-12-14 | 2014-04-16 | 蚌埠玻璃工业设计研究院 | Monitoring device for liquid level of tin liquid in tin tank |
| CN106198192A (en) * | 2016-08-18 | 2016-12-07 | 河南理工大学 | The sample angle of attack of a kind of rotary erosion abrasion test device adjusts assembly and method |
| CN107588831A (en) * | 2017-09-30 | 2018-01-16 | 邓炳鸿 | A kind of level detecting device and water heater |
| CN108848846A (en) * | 2018-06-26 | 2018-11-23 | 黑龙江省农业机械工程科学研究院 | A kind of liquid applicator |
| TW202108054A (en) * | 2019-08-20 | 2021-03-01 | 迅智自動化科技股份有限公司 | Beverage brewing apparatus |
| CN111157080A (en) * | 2020-01-16 | 2020-05-15 | 江苏建筑职业技术学院 | Urban grade separation underground passage water level warning system |
| CN112304399A (en) * | 2020-11-04 | 2021-02-02 | 西京学院 | Buoyancy weight-measuring scale and weighing method thereof |
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| CN202784452U (en) * | 2012-08-13 | 2013-03-13 | 南车长江车辆有限公司 | Volume identification device of vehicle-mounted cargo of liquid cargo tank car |
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| SU1434266A1 (en) * | 1985-01-29 | 1988-10-30 | Научно-исследовательский и экспериментальный институт автомобильного электрооборудования и автоприборов | Sending unit for measuring fuel level in vehicle tank |
| CN2689192Y (en) * | 2004-04-09 | 2005-03-30 | 清华大学 | Sensors for continuously measuring level height of high-temperature corrosive liquid |
| CN1641322A (en) * | 2005-01-06 | 2005-07-20 | 蒋林 | Tank truck oil-discharging level meter |
| CN201161791Y (en) * | 2007-07-03 | 2008-12-10 | 中国石化集团胜利石油管理局总机械厂 | Anti-theft oil tank |
| DE102008052188B4 (en) * | 2008-10-17 | 2013-03-28 | Metallux Ag | level sensor |
| CN201291129Y (en) * | 2008-11-11 | 2009-08-19 | 登电集团铝加工有限公司 | Oil stirring tank |
| DE102009003070B4 (en) * | 2009-05-13 | 2016-12-15 | Robert Bosch Gmbh | Tank level indicator |
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| CN202784452U (en) * | 2012-08-13 | 2013-03-13 | 南车长江车辆有限公司 | Volume identification device of vehicle-mounted cargo of liquid cargo tank car |
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