CN111982047A - Device, method and system for measuring height of storage tank ring plate - Google Patents
Device, method and system for measuring height of storage tank ring plate Download PDFInfo
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- CN111982047A CN111982047A CN202010983667.3A CN202010983667A CN111982047A CN 111982047 A CN111982047 A CN 111982047A CN 202010983667 A CN202010983667 A CN 202010983667A CN 111982047 A CN111982047 A CN 111982047A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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Abstract
The invention belongs to the technical field of measuring instrument equipment, and particularly relates to a device, a method and a system for measuring the height of a storage tank ring plate, wherein the device for measuring the height of the storage tank ring plate comprises the following components: the device comprises a bracket, a leveling component and a control component, wherein the bracket is provided with the leveling component and is used for leveling; the measuring assembly is arranged on the bracket and is used for measuring the height of the storage tank ring plate; an output component for outputting the measurement result of the measurement component or the tank structure data obtained according to the measurement result; and the control assembly is electrically connected with the measuring assembly and the output assembly and is used for controlling the work of the measuring assembly and the work of the output assembly. The height measuring device for the storage tank ring plate provided by the embodiment of the invention can measure the height of the storage tank ring plate through the measuring component, and can output a measuring result or storage tank structure data through the output component. The storage tank ring plate measuring device provided by the embodiment of the invention is simple in structure and convenient to use.
Description
Technical Field
The invention belongs to the technical field of measuring instrument equipment, and particularly relates to a device, a method and a system for measuring the height of a storage tank ring plate.
Background
The storage tanks such as the vertical metal tank are large-capacity measuring instruments used for trade settlement, and whether the volume measurement is accurate or not, the economic benefits and the national measurement credit of enterprises at home and abroad are concerned. With the increasing importance of the country on the strategic reserve of petroleum, the storage tank tends to be large-sized and increase year by year. Domestic storage tanks currently reach (10-15) ten thousand cubic meters, and the demand for high-precision measurement is higher and higher.
The height of the storage tank is an important parameter for measuring the volume of the storage tank, and mainly comprises the height of each ring plate, the total height, the reference height and the like. According to the requirements of international and domestic standard specifications such as API, ISO7507, GB/T13235, JJG168 and the like, detection personnel need to sequentially measure the distance from the center of the horizontal welding line below each ring plate to the center of the horizontal welding line above each ring plate along the escalator, and should measure the average value twice, the average value is accurate to 1mm, and the average value is used as the external plate height of each ring plate. After the height of each ring plate is measured, the height of the cylindrical part of the tank is measured by using a dip rod to be used as the total height of the tank, the total height is compared with the sum of the heights of the ring plates, and if the difference exists, the height of each ring plate is corrected according to the total height.
The existing method for measuring the height of the storage tank needs high-altitude operation, which brings some potential safety hazards to detection personnel; the two ends of the ruler are required to be pulled by 2 persons to finish measurement, the center of the horizontal welding line of the ring plate is difficult to align, the ruler is not always kept vertical during measurement, errors are brought to measurement, and the operation efficiency is low.
Disclosure of Invention
The embodiment of the invention aims to provide a storage tank ring plate height measuring device, and aims to solve the problems that the conventional storage tank ring plate height is inconvenient to measure and low in precision.
The embodiment of the invention is realized in such a way that the height measuring device for the storage tank ring plate comprises:
the device comprises a bracket, a leveling component and a control component, wherein the bracket is provided with the leveling component and is used for leveling;
the measuring assembly is arranged on the bracket and is used for measuring the height of the storage tank ring plate;
an output component for outputting the measurement result of the measurement component or the tank structure data obtained according to the measurement result;
and the control assembly is electrically connected with the measuring assembly and the output assembly and is used for controlling the work of the measuring assembly and the work of the output assembly.
Another object of an embodiment of the present invention is to provide a method for measuring a height of a storage tank ring plate, including the following steps:
acquiring the vertical distance between an upper welding point and a lower welding point of an upper ring plate on the same vertical surface;
determining the inner height of the ring plate according to the vertical distance;
rotating a horizontal angle and repeating the steps;
carrying out error elimination on the obtained inner heights of at least two ring plates;
and carrying out temperature correction on the obtained inner heights of at least two ring plates to obtain the inner heights of the ring plates.
It is another object of an embodiment of the present invention to provide a storage tank ring plate height measuring system, which includes:
the height measuring device for the storage tank ring plate provided by the embodiment of the invention; and
a client in communication with the tank collar plate height measurement device for operational control and/or data processing of the tank collar plate height measurement device.
The height measuring device for the storage tank ring plate provided by the embodiment of the invention can measure the height of the storage tank ring plate through the measuring component, can output a measuring result or storage tank structure data through the output component, and can realize the matching work of all components through the arrangement of the control component. The storage tank ring plate height measuring device provided by the embodiment of the invention has the advantages of simple structure, convenience in use, high automation degree and capability of obtaining higher measuring precision.
Drawings
Fig. 1 is a perspective view of a height measuring device for a storage tank ring plate according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a usage status of a device for measuring a height of a storage tank ring plate according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for measuring the height of a storage tank ring plate according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a method for measuring the height of a storage tank ring plate according to an embodiment of the present invention applied to two different storage tanks;
fig. 5 is a schematic view of a measurement principle of a method for measuring the height of a storage tank ring plate according to an embodiment of the present invention.
In the drawings: 1. a support; 2. mounting a plate; 3. horizontal bubbles; 4. a first rotating electrical machine; 5. a support plate; 6. a second rotating electrical machine; 7. a wireless transmission module; 8. a ranging assembly; 9. a lighting assembly; 10. a temperature measuring component; 11. a binocular camera.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structural diagram of a storage tank deck height measuring device according to an embodiment of the present invention includes:
the device comprises a bracket 1, wherein a leveling component is arranged on the bracket 1 and used for leveling;
the measuring assembly is arranged on the bracket 1 and is used for measuring the height of the storage tank ring plate;
an output component for outputting the measurement result of the measurement component or the tank structure data obtained according to the measurement result;
and the control assembly is electrically connected with the measuring assembly and the output assembly and is used for controlling the work of the measuring assembly and the work of the output assembly.
In the embodiment of the invention, the bracket 1 is used for supporting and fixing the whole device, and the bracket 1 is provided with a leveling component which is used for leveling when the device is erected. The leveling component is arranged, so that a user can conveniently level and align the device.
In an embodiment of the invention, the measuring assembly is used for measuring the height of the storage tank collar plate. In the embodiment of the present invention, it should be understood that the ring plate of the storage tank is a ring-shaped structural plate for forming the storage tank, the ring plate is formed by connecting one or more steel plates to form a ring-shaped structure, and the upper edge and the lower edge of the ring-shaped structure are connected by welding or the like, so as to finally form the side wall of the whole storage tank. The height of the ring plate of the storage tank is measured, and the method can be used for calculating the volume of the storage tank, marking the volume of the storage tank and the like. In the embodiment of the invention, the measuring assembly can carry out circumferential multi-point measurement on the same ring of plates without moving the device; of course, it can be understood that the height of the storage tank ring plate can be measured from the outside by the ring plate height measuring device provided by the embodiment of the invention, and the measuring device is not limited to be only capable of measuring from the inside of the storage tank.
In an embodiment of the present invention, the tank collar plate height measuring device is further provided with an output assembly for outputting the measurement result or the tank structure data obtained from the measurement result, wherein the tank structure data includes, but is not limited to, the total tank height, the tank radius, the tank volume, and the like. In the embodiment of the present invention, the output component may directly output the data through a display screen, or transmit the data through a data interface to implement output, or transmit the data to a corresponding communication peer through a communication module, that is, the output in the embodiment of the present invention should be understood in a broad sense, and is not limited to the display through the display screen.
In the embodiment of the present invention, the control component is used for controlling the operation of each component, and it should be understood that each component herein at least comprises a measuring component and an output component, and may further comprise a bracket 1 and a leveling component arranged on the bracket 1.
The height measuring device for the storage tank ring plate provided by the embodiment of the invention can measure the height of the storage tank ring plate through the measuring component, can output a measuring result or storage tank structure data through the output component, and can realize the matching work of all components through the arrangement of the control component. The storage tank ring plate height measuring device provided by the embodiment of the invention has the advantages of simple structure, convenience in use, high automation degree and capability of obtaining higher measuring precision.
In one embodiment of the invention, the bracket 1 comprises a mounting plate 2 and a leg connected with the mounting plate 2;
the mounting plate 2 is a circular flat plate, and the measuring component is arranged at the circle center of the upper side of the mounting plate 2;
the supporting legs are hinged with the mounting plate 2 and can be unfolded or folded.
In the embodiment of the present invention, the support 1 includes a mounting plate 2 and a leg connected to the mounting plate 2, the leg is used for supporting and fixing the whole apparatus, a measuring component is mounted on the mounting plate 2, specifically, the measuring component is disposed at a circle center position of an upper side of the mounting plate 2, and the mounting plate 2 is in a circular flat plate structure.
In the embodiment of the invention, the support legs are used for supporting and fixing, and the number of the support legs may be several, preferably, the number of the support legs is odd, for example, 3 or 5, the smaller the number of the support legs is, the more the stability is, and the specific number may be selected according to actual needs. Preferably, the legs are arranged at equal angles along the circumference of the mounting plate 2 and are connected to the mounting plate 2 in an articulated manner. The landing leg can expand or draw in, thereby portable through drawing in the landing leg in, it is convenient for support fixed to expand the landing leg during the use.
The storage tank ring plate height measuring device provided by the embodiment of the invention can be conveniently supported and fixed by the support 1, can be conveniently connected by the round mounting plate 2, and has a simple structure.
In one embodiment of the invention, the leveling assembly comprises a telescopic structure arranged on the supporting leg and a horizontal bubble 3 arranged on the mounting plate 2;
the number of the horizontal air bubbles 3 is three, the three horizontal air bubbles 3 are arranged on the upper side of the mounting plate 2 at equal angles, the horizontal air bubbles 3 are of tubular structures, and the tubular structures are arranged along the radial direction of the mounting plate 2; the connecting position of the supporting leg and the mounting plate 2 is just opposite to the horizontal air bubble 3.
In the embodiment of the present invention, preferably, the tubular horizontal bubble 3 is parallel to the plate surface of the mounting plate 2, and the horizontal alignment of the mounting plate 2 can be facilitated by three horizontal bubbles 3. Set up three horizontal bubble 3 and make the mounted position of landing leg just right with the appearance, thereby can be through the level according to the corresponding landing leg of the adjustment of horizontal bubble 3 correspondence adjustment mounting panel 2, can improve the level and look for punctual efficiency, avoid repeated adjustment, set up three horizontal bubble 3 and can play the effect that reduces the horizontal error.
In the embodiment of the invention, the telescopic structure is arranged on the supporting leg, and the length of the supporting leg can be adjusted through the telescopic structure, so that the supporting and fixing are facilitated.
The height measuring device for the storage tank ring plate provided by the embodiment of the invention is convenient for adjusting the level of the mounting plate 2 and leveling by arranging the three horizontal air bubbles 3 which are arranged at equal angles.
In one embodiment of the invention, the measuring assembly comprises a first rotating assembly, a second rotating assembly, a distance measuring assembly 8 and an angle monitoring assembly;
the measuring assembly is rotationally connected with the mounting plate 2 through the first rotating assembly and is used for driving the measuring and ranging assembly 8 to rotate in the horizontal direction;
the second rotating assembly is arranged on the first rotating assembly through a supporting plate 5 and is used for driving the distance measuring assembly 8 to rotate in the vertical direction;
the distance measuring assembly 8 is used for measuring the distance from the center of the storage tank ring plate height measuring device to the storage tank ring plate;
the angle monitoring assembly is used for measuring the rotation angles of the first rotating assembly and the second rotating assembly.
In the embodiment of the invention, the first rotating assembly is used for driving the measuring assembly to rotate on the horizontal plane, and the storage tank ring plate height measuring device provided by the embodiment of the invention can measure the inner wall of the storage tank in a 360-degree full range at a fixed point without changing the erection position, so that the device is convenient and practical. Fig. 2 shows a usage state of the storage tank ring plate height measuring device provided by the embodiment of the invention.
In the embodiment of the invention, the second rotating component is arranged on the first rotating component through the supporting plate 5 and can rotate along with the first rotating component; the second rotating assembly can drive the distance measuring assembly 8 to rotate on the vertical surface, so that different measuring points on the same vertical surface are measured, and the height of the storage tank ring plate can be obtained by calculating the height difference of the upper measuring point and the lower measuring point. It should be understood that, in the embodiment of the present invention, the upper and lower two measurement points refer to intersection positions of any vertical plane of the same tank ring plate and centers of the upper edge weld seam and the lower edge weld seam.
In the embodiment of the present invention, the distance measuring component 8 is configured to measure the distance from the center of the storage tank ring plate design measuring device to a measuring point, and it can be understood that the center of the storage tank ring plate design measuring device may be a real structural point or a virtual coordinate point, and is mainly used as a coordinate origin for calculation, and may be the same or different in different measurements, which is an optional specific implementation manner, and this is not specifically limited in the embodiment of the present invention.
In the embodiment of the invention, the measuring assembly further comprises an angle monitoring assembly, the angle monitoring assembly is used for measuring the rotating angles of the first rotating assembly and the second rotating assembly, and the height value of the ring plate can be calculated through a set formula according to the measured angle and distance.
In the height measuring device for the storage tank ring plate provided by the embodiment of the invention, the measuring assembly comprises the first rotating assembly, the second rotating assembly, the distance measuring assembly 8 and the angle monitoring assembly, and the height of the tank body omnibearing ring plate can be measured by matching the first rotating assembly, the second rotating assembly, the distance measuring assembly 8 and the angle monitoring assembly, so that the manual operation is greatly reduced.
In an embodiment of the present invention, the distance measuring assembly 8 is further provided with binocular cameras 11, the binocular cameras 11 are symmetrically arranged at two sides of the distance measuring head of the distance measuring assembly 8, and the binocular cameras 11 and the distance measuring head of the distance measuring assembly 8 are located on a horizontal straight line;
the output component is a wireless transmission module 7 and is used for transmitting the images collected by the binocular camera 11, the measurement results of the measurement component or the storage tank structure data obtained according to the measurement results to a client.
In the embodiment of the present invention, the imaging principle and the imaging characteristics of the binocular camera 11 are not described in detail, which is the content of the prior art. In the embodiment of the invention, the binocular cameras 11 are arranged at the two sides of the distance measuring assembly 8, so that the binocular cameras 11 are symmetrically arranged at the two sides of the distance measuring head of the distance measuring assembly 8, and the distance measuring point can fall into the center position of the visual field.
In the embodiment of the present invention, the binocular camera 11 may be used for image acquisition of a measurement point, and the binocular camera 11 may be matched with the output component to realize instant output of the acquired image. In the embodiment of the present invention, as an optional specific implementation manner, the output component employs the wireless transmission module 7, and the measurement process can be monitored on line by using the client, so as to correct the ranging point.
According to the height measuring device for the storage tank ring plate, provided by the embodiment of the invention, the binocular camera 11 and the wireless transmission module 7 are arranged, so that the images of the measuring points can be collected in real time and transmitted to the client, the remote monitoring, the work control and the like are realized, and the automation degree is high.
In one embodiment of the present invention, the first rotating assembly includes a first rotating electrical machine 4, an output shaft of the first rotating electrical machine 4 is connected with a circle center of the mounting plate 2 of the bracket 1, and the first rotating electrical machine 4 is disposed on the support plate 5.
In the embodiment of the present invention, the output shaft of the first rotating electrical machine 4 is fixedly connected to the center of the mounting plate 2, and when the first rotating electrical machine 4 rotates, the support plate 5, the second rotating component and the distance measuring component 8 disposed on the support plate 5 can be driven to rotate. In the embodiment of the present invention, the angle monitoring assembly includes a first angle sensor for monitoring a rotation angle of the first rotating electrical machine 4, the first angle sensor may be disposed on the mounting plate 2, or may be disposed on the support plate 5, or may be embedded in the electrical machine, for example, the first angle sensor may be implemented by using a stepping motor with angle monitoring, and the embodiment of the present invention is not limited to this.
In the present embodiment, the support plate 5 is used for mounting of the second rotating assembly.
According to the storage tank ring plate height measuring device provided by the embodiment of the invention, the first rotating assembly is arranged to drive the distance measuring assembly 8 to rotate on the horizontal plane, so that the storage tank can be measured for 360 degrees without moving.
In one embodiment of the invention, the support plate 5 is shaped;
the second rotating assembly comprises a second rotating motor 6 and a rotating shaft, the second rotating motor 6 is arranged on one side of the shape structure, an output shaft of the second rotating motor is connected with the rotating shaft, the rotating shaft penetrates through the shape structure, and the distance measuring assembly 8 is arranged on the rotating shaft and is positioned in the middle of the shape structure.
In the embodiment of the invention, the second rotating motor 6 drives the rotating shaft to rotate, so that the distance measuring assembly 8 arranged on the rotating shaft can rotate in a vertical plane, the distance measuring is carried out on the measuring points of the upper edge and the lower edge of the storage tank ring plate on the same vertical plane, and the height of the storage tank ring plate in the current vertical plane can be calculated through a corresponding formula. It should be understood that the calculation process may be implemented by the control component, and the measurement data may be output and calculated in other manners. Preferably, in the embodiment of the present invention, the second rotating motor 6 can drive the rotating shaft to rotate 360 °, so that the measurement of the tank ring plates on two symmetrical sides of the tank can be realized.
In the embodiment of the invention, the supporting plate 5 is a shape structure, the bottom of the shape structure is connected with the first rotating motor 4, the rotating shaft penetrates through two sides of the shape structure, and the distance measuring assembly 8 is arranged on the rotating shaft and is positioned in the middle of the shape structure.
In the embodiment of the present invention, the angle monitoring assembly includes a second angle sensor for monitoring a rotation angle of the second rotating electrical machine 6, the second angle sensor may be disposed on the supporting plate 5, or may be embedded in the electrical machine, for example, the second angle sensor may be implemented by using a stepping motor with an angle monitoring function, and the embodiment of the present invention is not limited to this.
The storage tank ring plate height measuring device provided by the embodiment of the invention can drive the distance measuring assembly 8 to rotate in the vertical surface through the second rotating assembly, so that the height of the storage tank ring plate on the vertical surface is measured, the ring plate at any position in the storage tank can be measured through the cooperation with the first rotating assembly without a moving device, the operation is convenient, the realization is easy, and the workload of operators is greatly reduced.
In one embodiment of the invention, the tank collar plate height measuring device further comprises an illumination assembly 9, and the illumination assembly 9 moves along with the measuring assembly and is used for illumination during measurement.
In the embodiment of the present invention, the illumination assembly 9 may be disposed on the distance measuring assembly 8, and rotates with the distance measuring assembly 8 driven by the first rotating assembly and the second rotating assembly. Preferably, the illumination area of the illumination assembly 9 covers the measurement point of the ranging assembly 8. Because the normal light condition is relatively poor in the storage tank, the distance measuring assembly 8 can be convenient to work by arranging the illuminating assembly 9, and clear images or videos can be collected by matching with the binocular camera 11, so that the client side can conveniently realize remote monitoring.
In one embodiment of the invention, the device for measuring the height of the storage tank ring plate further comprises a temperature measuring assembly 10, and the temperature measuring assembly 10 moves along with the measuring assembly and is used for measuring the temperature of the storage tank ring plate.
In the embodiment of the present invention, the temperature measuring assembly 10 may be disposed on the distance measuring assembly 8 and rotate with the distance measuring assembly 8 driven by the first rotating assembly and the second rotating assembly. Preferably, the temperature measuring position of the temperature measuring component 10 coincides with the measuring point of the distance measuring component 8. Because the storage tank is bulky, it is also big to be influenced by temperature variation, and higher temperature can make the collar plate inflation to lead to measuring inaccurate, can gather the temperature of collar plate when the range finding through setting up temperature measurement subassembly 10 and be used for measuring. In the embodiment of the present invention, the temperature measuring component 10 may be an infrared thermometer.
The storage tank ring plate height measuring device provided by the embodiment of the invention can measure the temperature of the adopted point by arranging the temperature measuring component 10, so that the temperature of the measured data is corrected, and the accuracy of the measured result can be improved.
As shown in fig. 3, an embodiment of the present invention further provides a method for measuring a height of a storage tank ring plate, where the method for measuring a height of a storage tank ring plate includes steps S302 to S310:
step S302, acquiring the vertical distance between the upper welding point and the lower welding point of the upper ring plate on the same vertical surface.
In the embodiment of the invention, the acquiring of the vertical distance between the upper welding point and the lower welding point of the upper ring plate on the same vertical surface comprises the following steps:
acquiring the distance from the measuring point to a welding seam on the ring plate;
obtaining the distance from the measuring point to a welding line under the ring plate;
acquiring an included angle between a connecting line from a welding seam on the ring plate to a measuring point and a connecting line from a welding seam under the ring plate to the measuring point;
and determining the vertical distance between the upper welding line point and the lower welding line point of the ring plate according to the distance between the measuring point and the upper welding line of the ring plate, the distance between the measuring point and the lower welding line of the ring plate and the included angle.
In the embodiment of the present invention, as another optional measurement method, in the same vertical plane: obtaining the distance from the measuring point to the upper welding line and the lower welding line of the ring plate; acquiring the horizontal distance from the measuring point to the storage tank; z is calculated separately in the manner shown in the figurepUpper and lower weld joints ZpThe difference value is the vertical distance between the upper welding point and the lower welding point of the ring plate.
And step S304, determining the inner height of the ring plate according to the vertical distance.
In an embodiment of the invention, referring to FIG. 4, the single measurement of the height in the storage tank collar plate is the upper weld p for both butt and telescope-style tanks at internal timingnPoint to lower weld pn-1Point vertical distance, i.e.:
hn＝|LOPnsinβn-LOPn-1sinβn-1|，n≥2
when the external measurement is carried out,
for a butt tank, the inside height is higher than the outside height, i.e.:
hn＝Hn＝|LOPnsinβn-LOPn-1sinβn-1|，n≥2
for telescopic cans, the outer height:
Hn＝|LOPnsinβn-LOPn-1sinβn-1|，n≥2
the corresponding inner height is:
hi＝Hi-bi+1+bi-1，n≥2
and S306, rotating by a horizontal angle, and repeating the steps.
In the embodiment of the present invention, the horizontal angle is α in fig. 5, and preferably, several horizontal angles α may equally divide 360 °, for example, α is 180 °, 90 °, 45 °, and so on, and accordingly, values of 2, 4, and 8 circle plate inner heights may be obtained. The influence of accidental errors can be reduced by the multi-point measurement mode, and the accuracy of measurement is improved.
And step S308, performing error elimination on the obtained inner heights of at least two ring plates.
In the embodiment of the present invention, the error includes, but is not limited to, gross error, and the error elimination can improve the accuracy. In the embodiment of the invention, the gross error can be removed by the following steps:
calculating residual error
Wherein, VjIs a residual error, hjThe inner height of the panel is the jth measuring point coil,
the average inner height of the circle plate is N measuring points;
calculating the standard deviation
Judging whether | v utiis satisfiedjLess than or equal to 3S, if the average inner height of the circle plate of N measuring points is met, the average inner height of the circle plate of N measuring points is taken
If the inner height of the current circle plate is not satisfied, the measured value is removed, and the steps are repeated until the inner heights of all the measurement points circle plates satisfy | vj3S is less than or equal to, and the average value of all the measured values at the moment is taken as the inner height of the current ring plate.
And S310, carrying out temperature correction on the obtained inner heights of at least two ring plates to obtain the inner heights of the ring plates.
In an embodiment of the present invention, the performing the temperature correction on the obtained inner heights of the at least two ring plates includes the following steps:
judging whether the total height of the ring plates is equal to the sum of the heights of all the ring plates;
if not, correcting the inner height of each ring plate according to the total height, wherein the correction is carried out according to the following formula:
the inner height of each ring plate is corrected according to the measured temperature, wherein the temperature correction can be corrected according to the normal temperature, for example, the temperature correction is carried out by the following formula when 20 ℃ is taken as a standard:
hrepair i＝hi' (1+ λ (T-20)) λ is the tank linear expansion coefficient
So that the height of each ring plate of the storage tank can be obtained.
The method for measuring the height of the storage tank collar plate provided by the embodiment of the invention can be applied to the control component of the storage tank collar plate height measuring device described in any embodiment of the invention, or a processing program matched with the control component, or a client communicated with the control component, and the method is based on data collected by the storage tank collar plate height measuring device. The method for measuring the height of the storage tank ring plate provided by the embodiment of the invention is simple and easy to implement, can be arranged in a processing assembly to realize real-time output of the measurement result, improves the measurement efficiency and the automation degree, and can improve the measurement accuracy through error elimination and correction.
The embodiment of the invention also provides a storage tank ring plate height measuring system, which comprises:
the height measuring device for the storage tank ring plate in the embodiment of the invention; and
a client in communication with the tank collar plate height measurement device for operational control and/or data processing of the tank collar plate height measurement device.
In the embodiment of the present invention, for the explanation of the height measuring device for the storage tank ring plate, reference may be made to a combination of any one or more of the foregoing embodiments of the present invention, and the embodiments of the present invention are not described herein again.
In the embodiment of the invention, the client communicates with the storage tank ring plate height measuring device, so that the measuring result of the storage tank ring plate height measuring device or the structural data of the storage tank calculated according to the measuring structure can be obtained, and in addition, images or videos collected by the binocular camera can be obtained in real time, so that a user can conveniently perform real-time remote control on the device.
In the height measuring system for the storage tank ring plate provided by the embodiment of the invention, the height measuring device for the storage tank ring plate can measure the height of the storage tank ring plate through the measuring component, can output a measuring result or storage tank structure data through the output component, and can realize the matching work of all components through the arrangement of the control component. The storage tank ring plate height measuring device provided by the embodiment of the invention has the advantages of simple structure, convenience in use, high automation degree and capability of obtaining higher measuring precision.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A storage tank collar plate height measurement device, characterized in that, storage tank collar plate height measurement device includes:
the device comprises a bracket, a leveling component and a control component, wherein the bracket is provided with the leveling component and is used for leveling;
the measuring assembly is arranged on the bracket and is used for measuring the height of the storage tank ring plate;
an output component for outputting the measurement result of the measurement component or the tank structure data obtained according to the measurement result;
and the control assembly is electrically connected with the measuring assembly and the output assembly and is used for controlling the work of the measuring assembly and the work of the output assembly.
2. The tank collar plate height measurement device of claim 1, wherein the bracket includes a mounting plate and a leg connected to the mounting plate;
the mounting plate is a circular flat plate, and the measuring assembly is arranged at the circle center of the upper side of the mounting plate;
the supporting legs are hinged with the mounting plate and can be unfolded or folded.
3. The tank collar plate height measurement device of claim 2, wherein the leveling assembly comprises a telescoping structure disposed on the leg and a level bubble disposed on the mounting plate.
4. The storage tank collar plate height measurement device of claim 1, wherein the measurement assembly comprises a first rotation assembly, a second rotation assembly, a distance measurement assembly, and an angle monitoring assembly;
the measuring assembly is rotatably connected with the mounting plate through the first rotating assembly and is used for driving the measuring and ranging assembly to rotate in the horizontal direction;
the second rotating assembly is arranged on the first rotating assembly through a supporting plate and used for driving the distance measuring assembly to rotate in the vertical direction;
the distance measuring assembly is used for measuring the distance from the center of the storage tank ring plate height measuring device to the storage tank ring plate;
the angle monitoring assembly is used for measuring the rotation angles of the first rotating assembly and the second rotating assembly.
5. The storage tank collar plate height measuring device of claim 4, wherein the range finding assembly is further provided with binocular cameras, the binocular cameras are symmetrically arranged on two sides of the range finding head of the range finding assembly, and the binocular cameras and the range finding head of the range finding assembly are positioned on a horizontal straight line;
the output assembly is a wireless transmission module and is used for transmitting the images collected by the binocular camera, the measurement results of the measurement assembly or the storage tank structure data obtained according to the measurement results to a client.
6. The method for measuring the height of the storage tank ring plate is characterized by comprising the following steps of:
acquiring the vertical distance between an upper welding point and a lower welding point of an upper ring plate on the same vertical surface;
determining the inner height of the ring plate according to the vertical distance;
rotating a horizontal angle and repeating the steps;
carrying out error elimination on the obtained inner heights of at least two ring plates;
and carrying out temperature correction on the obtained inner heights of at least two ring plates to obtain the inner heights of the ring plates.
7. The storage tank ring plate height measurement method according to claim 6, wherein the obtaining of the vertical distance between the upper weld point and the lower weld point of the upper ring plate on the same vertical plane comprises the following steps:
acquiring the distance from the measuring point to a welding seam on the ring plate;
obtaining the distance from the measuring point to a welding line under the ring plate;
acquiring an included angle between a connecting line from a welding seam on the ring plate to a measuring point and a connecting line from a welding seam under the ring plate to the measuring point;
and determining the vertical distance between the upper welding line point and the lower welding line point of the ring plate according to the distance between the measuring point and the upper welding line of the ring plate, the distance between the measuring point and the lower welding line of the ring plate and the included angle.
8. The method for measuring the height of the storage tank ring plate according to claim 6, wherein the error elimination of the obtained at least two ring plate inner heights comprises the following steps:
calculating residual error
Wherein, VjIs a residual error, hjThe inner height of the panel is the jth measuring point coil,
the average inner height of the circle plate is N measuring points;
calculating the standard deviation
Judging whether to useSatisfy | v $jLess than or equal to 3S, if the average inner height of the circle plate of N measuring points is met, the average inner height of the circle plate of N measuring points is taken
If the inner height of the current circle plate is not satisfied, the measured value is removed, and the steps are repeated until the inner heights of all the measurement points circle plates satisfy | vj3S is less than or equal to, and the average value of all the measured values at the moment is taken as the inner height of the current ring plate.
9. The method for measuring the height of the storage tank collar plate of claim 6, wherein the step of performing temperature correction on the obtained at least two inner collar plate heights comprises the following steps:
judging whether the total height of the ring plates is equal to the sum of the heights of all the ring plates;
if not, correcting the inner height of each ring plate according to the total height;
and carrying out temperature correction on the inner height of each ring plate according to the measured temperature.
10. A tank height measurement system, comprising:
the storage tank collar plate height measuring device of any one of claims 1 to 5; and
a client in communication with the tank collar plate height measurement device for operational control and/or data processing of the tank collar plate height measurement device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010983667.3A CN111982047A (en) | 2020-09-18 | 2020-09-18 | Device, method and system for measuring height of storage tank ring plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010983667.3A CN111982047A (en) | 2020-09-18 | 2020-09-18 | Device, method and system for measuring height of storage tank ring plate |
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| CN1664498A (en) * | 2005-03-24 | 2005-09-07 | 国家大容量第一计量站 | Liquid-in metrological verification method for vertical metallic tank with an outer floating roof |
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| CN212228020U (en) * | 2020-09-18 | 2020-12-25 | 舟山市质量技术监督检测研究院 | Storage tank ring plate height measuring device and system |
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| CN1664498A (en) * | 2005-03-24 | 2005-09-07 | 国家大容量第一计量站 | Liquid-in metrological verification method for vertical metallic tank with an outer floating roof |
| CN107036540A (en) * | 2016-11-15 | 2017-08-11 | 中国计量科学研究院 | Metal can radial missing measuring method and measurement apparatus |
| US20180266874A1 (en) * | 2017-03-17 | 2018-09-20 | Chevron U.S.A. Inc. | Monitoring system for floating roof storage tank |
| CN109374727A (en) * | 2018-11-21 | 2019-02-22 | 中国石油大学(北京) | Storage tank detects robot |
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