CN114803190A - Included angle monitoring device, system and method - Google Patents
Included angle monitoring device, system and method Download PDFInfo
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- CN114803190A CN114803190A CN202110082520.1A CN202110082520A CN114803190A CN 114803190 A CN114803190 A CN 114803190A CN 202110082520 A CN202110082520 A CN 202110082520A CN 114803190 A CN114803190 A CN 114803190A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims abstract description 91
- 238000004891 communication Methods 0.000 claims description 31
- 238000012544 monitoring process Methods 0.000 claims description 16
- 230000008859 change Effects 0.000 abstract description 13
- 239000010779 crude oil Substances 0.000 description 11
- 238000005259 measurement Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
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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
- G01B21/22—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 angles or tapers; for testing the alignment of axes
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The application relates to an included angle monitoring device, system and method, and belongs to the technical field of oil storage. Included angle monitoring device includes support frame, mounting, displacement meter, base and bolt, wherein: the supporting frame comprises a supporting rod, a connecting base and a fixed seat, wherein one end of the fixed seat is provided with a first arc-shaped groove, and the fixed seat is also provided with a threaded hole; one end of the fixed piece is provided with a second arc-shaped groove, the size of the second arc-shaped groove is matched with that of the first arc-shaped groove, the position of the second arc-shaped groove corresponds to that of the first arc-shaped groove, the fixed piece is also provided with a through hole, the position of the through hole corresponds to that of the threaded hole, the fixed seat and the fixed piece are fixed through a bolt, and the second arc-shaped groove and the first arc-shaped groove jointly form a cylindrical mounting hole; the displacement meter comprises a shell and a measuring component, wherein the outer wall of the shell is matched with the inner wall of the cylindrical mounting hole; the base is a rectangular plate. Adopt this application, provide an effectual device that measures the contained angle between end ring wallboard and the edge board and change.
Description
Technical Field
The application relates to the technical field of oil storage, in particular to an included angle monitoring device, system and method.
Background
A storage tank for saving crude oil, it forms to have a plurality of boards to weld generally, and the bottom surface can expand a board that is on a parallel with ground and be used for with base fixed connection, called the edge board, the technical staff need monitor the change of contained angle between the foundation ring wallboard of storage tank and the edge board always, the contained angle is 90 when not having the storage crude oil, when filling oil to the storage tank, the wallboard can receive very big impact force, can make the foundation ring wallboard produce certain slope, perhaps, after the storage crude oil, inside crude oil is to squeezing the foundation ring wallboard all around, make the foundation ring wallboard take place the slope. If the inclined angle is too large, namely the included angle between the bottom ring wall plate and the edge plate is changed too greatly, the storage tank is unstable and crude oil can not be stored any more. The current monitoring means is that technicians determine whether the storage tank can be used continuously according to experience and observation, and no device for effectively monitoring the change of the included angle between the bottom ring wall plate and the edge plate exists at present.
Disclosure of Invention
The embodiment of the application provides an included angle monitoring device, system and method, which can solve the technical problems existing in the related technology, and the technical scheme of the included angle monitoring device, system and method is as follows:
first aspect, the embodiment of the present application provides an contained angle monitoring devices, contained angle monitoring devices includes support frame 1, mounting 2, displacement meter 3, base 4 and bolt 5, wherein:
the support frame 1 comprises a support rod 11, a connecting base 12 and a fixed seat 13, wherein the connecting base 12 is a rectangular plate and is fixedly connected with a first end of the support rod, one end of the fixed seat 13 is provided with a first arc-shaped groove 131, the other end of the fixed seat 13 is fixedly connected with a second end of the support rod 11, and the fixed seat 13 is also provided with a threaded hole 132;
one end of the fixed part 2 is provided with a second arc-shaped groove 21, the second arc-shaped groove 21 is matched with the first arc-shaped groove 131 in size and corresponds to the first arc-shaped groove 131 in position, the fixed part 2 is also provided with a through hole 22, the position of the through hole 22 corresponds to the position of the threaded hole 132, the fixed seat 13 and the fixed part 2 are fixed through the bolt 5, and the second arc-shaped groove 21 and the first arc-shaped groove 131 jointly form a cylindrical mounting hole;
the displacement meter 3 comprises a shell 31, a measuring component 32, a displacement sensor and a communication component, wherein the lower end of the measuring component 32 is hemispherical, the shell 31 is cylindrical, the outer wall of the shell 31 is matched with the inner wall of the cylindrical mounting hole, the displacement sensor is positioned in an inner cavity of the shell (31), and the displacement sensor is electrically connected with the communication component;
the base 4 is a rectangular plate, and a groove 41 is arranged at the center of the upper surface of the base 4.
In one possible implementation, the groove 41 is a spherical groove.
In a possible realization, the bottom surfaces of the connection base 12 and the base 4 are provided with anti-slip stripes.
In a possible implementation, the first end of the support rod 11 is fixed at the center of the end face of the connection base 12.
In a possible implementation manner, the second end of the supporting rod 11 is fixed at the central position of the end surface of the fixed seat 13.
In a possible implementation, the supporting rod 11, the connecting base 12 and the fixing base 13 are integrally formed.
In a possible realization, the lower end of the measuring part 32 is in contact with the bottom of the groove 41 when the displacement gauge 3 is mounted in the cylindrical mounting hole and the base 4 is mounted in the edge plate 6.
In a possible implementation, the displacement meter 3 further comprises a display member.
In a second aspect, the present embodiment provides an included angle monitoring system, where the included angle monitoring system includes the included angle monitoring apparatus and a computer device, where the computer device is electrically connected to the communication component.
In a third aspect, the present embodiment provides a method, which is applied to the above-mentioned angle monitoring system, wherein the connection base 12 is vertically fixed on the bottom ring wall plate 7 of the storage tank, and the base 4 is horizontally fixed on the edge plate 6 of the storage tank;
the method comprises the following steps:
the displacement sensor transmits the detected displacement amount to the computer device through the communication component;
acquiring a distance between the axis of the measurement member 32 and the bottom surface of the connection base 12, which is stored in advance;
and the computer equipment determines the variation of an included angle between the bottom ring wall plate 7 of the storage tank and the edge plate 6 of the storage tank based on the displacement and the distance.
The technical scheme provided by the embodiment of the application at least comprises the following beneficial effects:
the embodiment of the application provides an included angle monitoring device, system and method, adopt this included angle monitoring device, when the foundation ring wallboard takes place the slope, the support frame drives the casing of displacement meter and takes place relative displacement between the measurement element along with the foundation ring wallboard slope, measures the displacement volume that changes through displacement sensor to calculate the contained angle variation between the foundation ring wallboard of storage tank and the edge board.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In the drawings:
fig. 1 is a schematic structural diagram of an included angle monitoring device according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of an included angle monitoring device according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a base according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a storage tank according to an embodiment of the present disclosure;
fig. 5 is a flowchart of an included angle monitoring method according to an embodiment of the present application.
Description of the figures
1. A support frame;
11. a support bar; 12. a connecting base; 13. a fixed seat;
131. a first arc-shaped slot; 132. a threaded hole;
2. a fixing member;
21. a second arc-shaped slot; 22. a through hole;
3. a displacement meter;
31. a housing; 32. a measuring part;
4. a base;
41. a groove;
5. a bolt;
6. an edge plate;
7. a bottom ring wall plate.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
The embodiment of the application provides an included angle monitoring device, as shown in fig. 1 and 2, included angle monitoring device includes support frame 1, mounting 2, displacement meter 3, base 4 and bolt 5.
Wherein, support frame 1 includes bracing piece 11, connection base 12 and fixing base 13, connects base 12 to be the rectangular plate, with the first end fixed connection of bracing piece, and the one end of fixing base 13 is provided with first arc wall 131, and the other end of fixing base 13 and the second end fixed connection of bracing piece 11 still are provided with screw hole 132 on the fixing base 13.
The bracing piece 11, connect base 12 and fixing base 13 integrated into one piece, the central point that connects base 12 terminal surface is fixed to the first end of bracing piece 11, and the central point that the second end of bracing piece 11 was fixed at fixing base 13 terminal surface puts. The support rod 11, the connecting base 12 and the fixing base 13 can be made of stainless steel.
One end of the fixing part 2 is provided with a second arc-shaped groove 21, the size phase-match and the position of the second arc-shaped groove 21 and the first arc-shaped groove 131 are corresponding, the fixing part 2 is further provided with a through hole 22, the position of the through hole 22 is corresponding to the position of the threaded hole 132, the fixing seat 13 is fixed with the fixing part 2 through a bolt 5, and the second arc-shaped groove 21 and the first arc-shaped groove 131 jointly form a cylindrical mounting hole.
The displacement meter 3 comprises a shell 31, a measuring component 32, a displacement sensor and a communication component, wherein the lower end of the measuring component 32 is hemispherical, the shell 31 is cylindrical, the outer wall of the shell 31 is matched with the inner wall of the cylindrical mounting hole, the displacement sensor is positioned in the inner cavity of the shell 31, and the displacement sensor is electrically connected with the communication component. The displacement sensor may be a grating sensor or the like.
The base 4 is a rectangular plate, and a groove 41 is formed in the center of the upper surface of the base 4, as shown in fig. 3.
The fixing member 2, the housing 31, the measuring part 32 and the base 4 may be made of stainless steel.
The size and the position of the second arc-shaped groove 21 on the fixing piece 2 correspond to the size and the position of the first arc-shaped groove 131 on the fixing base 13, the fixing piece 2 and the fixing base 13 are correspondingly attached together, then the bolt 5 can penetrate through the through hole 22 on the fixing piece 2 and then penetrate into the threaded hole 132 on the fixing base 13 corresponding to the position of the through hole 22, the bolt 5 is rotated and is fixedly connected with the threaded hole 132 in a threaded manner, the fixing piece 2 and the fixing base 13 are connected together, when the bolt 5 is screwed into the threaded hole 132 but not screwed, the displacement meter 3 is arranged in the downward direction of the measuring part 32, the shell 31 is placed into a cylindrical mounting hole formed by the second arc-shaped groove 21 and the first arc-shaped groove 131 together, and then the four bolts 5 are screwed.
The structural arrangement of the first arc-shaped slot 131 and the second arc-shaped slot 21 and the fastening manner between the first arc-shaped slot and the housing 31 of the displacement meter 3 can be various, and the following are some of them:
the first arc-shaped slot 131 and the second arc-shaped slot 21 can be both configured as semi-circular slots, and the housing 31 is fixed by interference fit between the outer wall of the housing 31 and the inner wall of the cylindrical mounting hole. When putting into the cylindrical mounting hole that second arc wall 21 and first arc wall 131 are constituteed jointly with casing 31 to adjust high back, can screw up four bolts 5, casing 31's outer wall with the inner wall interference fit of cylindrical mounting hole can make mounting 2 and fixing base 13 fix casing 31 in a certain position.
Or, first arc wall 131 and second arc wall 21 all set up the radian and are in between 90 to 180, can make the cylindrical mounting hole that second arc wall 21 and first arc wall 131 constitute jointly hug closely with casing 31 through screwing up the bolt to fix casing 31 and make it can not remove at will.
A groove 41 is arranged at the right center of the upper surface of the base 4, and the groove 41 is a spherical groove. The fixing position of the housing 31 can be adjusted by screwing the bolt 5, thereby adjusting the height of the displacement meter 3. When the displacement gauge 3 is mounted to the cylindrical mounting hole and the base 4 is mounted to the edge plate 6, the lower end of the measuring part 32 is in contact with the bottom of the groove 41.
When above-mentioned contained angle monitoring devices is used for monitoring the contained angle between the end ring wallboard of storage tank and the edge board, concrete operation can be as follows:
for crude oil storage, a storage tank is generally used, the side wall of the storage tank is formed by welding a plurality of plates, the side wall of the bottom ring is the side wall of the lowest end of the storage tank, and generally, a ring of plates is protruded at the bottom edge of the side wall of the bottom ring to form an edge plate for fixing the storage tank, as shown in fig. 4.
The embodiment of the application provides an included angle monitoring device, as shown in fig. 1 and 2, included angle monitoring device includes support frame 1, mounting 2, displacement meter 3, base 4 and bolt 5.
Wherein, support frame 1 includes bracing piece 11, connection base 12 and fixing base 13, connects base 12 to be the rectangular plate, with the first end fixed connection of bracing piece, and the one end of fixing base 13 is provided with first arc wall 131, and the other end of fixing base 13 and the second end fixed connection of bracing piece 11 still are provided with screw hole 132 on the fixing base 13.
The bracing piece 11, connect base 12 and fixing base 13 integrated into one piece, the central point that connects base 12 terminal surface is fixed to the first end of bracing piece 11, and the central point that the second end of bracing piece 11 was fixed at fixing base 13 terminal surface puts. The support rod 11, the connecting base 12 and the fixing base 13 can be made of stainless steel.
One end of the fixing part 2 is provided with a second arc-shaped groove 21, the size phase-match and the position of the second arc-shaped groove 21 and the first arc-shaped groove 131 are corresponding, the fixing part 2 is further provided with a through hole 22, the position of the through hole 22 is corresponding to the position of the threaded hole 132, the fixing seat 13 is fixed with the fixing part 2 through a bolt 5, and the second arc-shaped groove 21 and the first arc-shaped groove 131 jointly form a cylindrical mounting hole.
The displacement meter 3 comprises a shell 31, a measuring component 32, a displacement sensor and a communication component, wherein the lower end of the measuring component 32 is hemispherical, the shell 31 is cylindrical, the outer wall of the shell 31 is matched with the inner wall of the cylindrical mounting hole, the displacement sensor is positioned in the inner cavity of the shell (31), and the displacement sensor is electrically connected with the communication component.
The base 4 is a rectangular plate, and a groove 41 is formed in the center of the upper surface of the base 4, as shown in fig. 3.
The fixing member 2, the housing 31, the measuring part 32 and the base 4 may be made of stainless steel.
The technical staff can be fixed the bottom surface of connecting base 12 on the end circle wallboard of storage tank, can be through modes such as welding or gluing, because the end circle wallboard is the arc, consequently, can use some auxiliary blocks or auxiliary plates, make connecting base 12 can be after fixing on the end circle wallboard, the bottom surface of connecting base 12 is tangent with the outer wall of end circle wallboard, and the tangent line is through the central point of the bottom surface of connecting base 12, the axis of bracing piece 11 keeps the level, and the axis of bracing piece 11 can intersect and be perpendicular with the axis of storage tank.
The support bar 11 may be provided with a level for aligning the axis of the support bar in a horizontal plane. The leveling rod can be fixed on the support rod 11 by welding or gluing.
Then, the fixing member 2 can be installed, the size and the position of the second arc-shaped groove 21 on the fixing member 2 correspond to the size and the position of the first arc-shaped groove 131 on the fixing base 13, the fixing member 2 and the fixing base 13 are attached together correspondingly, then, the bolt 5 can penetrate through the through hole 22 on the fixing member 2 and then penetrate into the threaded hole 132 on the fixing base 13 corresponding to the position of the through hole 22, the bolt 5 is rotated and fixed with the threaded hole 132 in a threaded connection mode, so that the fixing member 2 and the fixing base 13 are connected together, when the bolt 5 is screwed into the threaded hole 132 but not screwed, the displacement meter 3 is arranged in the downward direction of the measuring part 32, the shell 31 is arranged in the cylindrical installation hole formed by the second arc-shaped groove 21 and the first arc-shaped groove 131 together, and then, the four bolts 5 are screwed.
The structural arrangement of the first arc-shaped slot 131 and the second arc-shaped slot 21 and the fastening manner between the first arc-shaped slot and the housing 31 of the displacement meter 3 can be various, and the following are some of them:
the first arc-shaped slot 131 and the second arc-shaped slot 21 can be both configured as semi-circular slots, and the housing 31 is fixed by interference fit between the outer wall of the housing 31 and the inner wall of the cylindrical mounting hole. When putting into the cylindrical mounting hole that second arc wall 21 and first arc wall 131 are constituteed jointly with casing 31 to adjust high back, can screw up four bolts 5, casing 31's outer wall with the inner wall interference fit of cylindrical mounting hole can make mounting 2 and fixing base 13 fix casing 31 in a certain position.
Or, the first arc-shaped groove 131 and the second arc-shaped groove 21 are both arranged to have radians between 90 ° and 180 °, and the cylindrical mounting hole formed by the second arc-shaped groove 21 and the first arc-shaped groove 131 can be tightly attached to the housing 31 by tightening the bolt, so that the housing 31 is fixed and cannot move randomly.
After the housing is fixed to the supporting frame 1, the base 4 can be fixed to the edge plate 6, and since the place where the edge plate is fixed is not necessarily a horizontal plane, some auxiliary blocks or auxiliary plates can be used to horizontally fix the base 4 on the edge plate 6, and the axis of the base 4 in the vertical direction coincides with the axis of the displacement meter 3, so that the hemispherical measuring end at the lower end of the measuring part 32 is opposite to the center of the upper surface of the base 4.
A level may be provided on the base 4 for calibration to keep the upper surface of the base 4 level.
A groove 41 is arranged at the right center of the upper surface of the base 4, and the groove 41 is a spherical groove. The fixing position of the housing 31 can be adjusted by screwing the bolt 5, thereby adjusting the height of the displacement meter 3. When the displacement gauge 3 is mounted to the cylindrical mounting hole and the base 4 is mounted to the edge plate 6, the lower end of the measuring part 32 is in contact with the bottom of the groove 41.
The hemispherical measuring end is contacted with the groove bottom of the groove 41, so that the stress direction of the measuring part 32 of the displacement meter 3 is kept consistent when the bottom ring wallboard is inclined, and the error of the calculated included angle variation through the measured displacement can be effectively reduced.
Alternatively, the bottom surfaces of the connecting base 12 and the base 4 may be provided with anti-slip stripes. For increasing the friction between the connection base 12 and the base ring wall plate 7 and between the base 4 and the edge plate 6.
The casing 31 of displacement meter 3 cup joints the upper end at measurement unit 32, when pouring into crude oil into the storage tank, the wallboard impact force to the storage tank is great, and in the crude oil storage process later, inside crude oil also can be to squeezing the base circle wallboard all around, make the wallboard outwards produce certain slope, then the base circle wallboard can drive support frame 1 and take place the change of position, support frame 1 drives displacement meter 3 and inclines, and the hemispherical measurement end of the lower extreme of measurement unit 32 is all the time with the tank bottom butt of recess 41, then can make measurement unit 32 slide in casing 31, produce relative motion between casing 31 and the measurement unit 32, displacement sensor is used for measuring the displacement volume that changes between casing 31 and the measurement unit 32, displacement volume a. The worker can measure the distance b from the axis of the measuring part 32 to the bottom surface of the connection base 12 in advance, and can calculate the amount of change θ of the angle between the wall plate of the bottom ring and the edge plate according to the following formula.
tanθ＝a/b
Namely, it is
θ＝tan -1 (a/b) (1)
Where θ is the amount of change in the angle between the base ring wall plate 7 and the edge plate 6, a is the amount of change between the housing 31 and the measuring member 32, and b is the distance between the axis of the measuring member 32 and the bottom surface of the connecting base 12.
It should be noted that the included angle monitoring device needs to be installed when the storage tank does not store crude oil and is hollow inside, and a plurality of included angle monitoring devices can be uniformly arranged around the storage tank.
The displacement meter 3 further includes a display unit, and when the displacement sensor detects the displacement amount a, the displacement sensor sends the displacement amount a to the display unit, and the display unit displays the displacement amount a. The housing 31 of the displacement meter 3 is also provided with a display screen, and the displacement a of the displacement meter can be displayed on the display screen for a technician to check at any time. The technical staff can record the displacement a on the display screen periodically, and then calculate according to the formula to obtain the included angle variation theta between the bottom ring wall plate and the edge plate, so that whether the storage tank can be used continuously can be judged.
This embodiment provides an contained angle monitoring system, contained angle monitoring system includes foretell contained angle monitoring devices and computer equipment, computer equipment with communication part electric connection.
When the bottom ring wall plate 7 inclines and the included angle between the bottom ring wall plate 7 and the edge plate 6 changes, the shell 31 of the displacement meter 3 and the measuring part 32 move relatively, the displacement sensor measures the variation of the relative displacement generated between the shell 31 and the measuring part 32, namely the displacement a, and transmits the variation to the communication part, the communication part transmits the displacement a to the computer device, and the computer device can calculate the variation theta of the included angle between the bottom ring wall plate 7 and the edge plate 6 according to the prestored formula (1). Technical staff can set up a displacement volume threshold value or end ring wallboard 7 and edge plate 6's contained angle variation threshold value in advance, be greater than or equal to this displacement volume threshold value when the numerical value of received displacement volume an, perhaps when contained angle variation theta that calculates according to received displacement volume a is greater than or equal to contained angle variation threshold value, can show warning information, technical staff can be based on this warning information, carry out certain change or maintenance to the storage tank and handle, technical staff also can look over contained angle variation theta on computer equipment at any time.
The present embodiment further provides an included angle monitoring method, and the present embodiment explains that the included angle monitoring method is applied to the included angle monitoring system. As shown in fig. 1 and 2, the connecting base (12) is vertically fixed on the bottom ring wall plate (7) of the storage tank, and the base (4) is horizontally fixed on the edge plate (6) of the storage tank.
As shown in fig. 5, the method includes the steps of:
s501, the displacement sensor sends the detected displacement to the computer equipment through the communication component.
The technical staff can be with the bottom surface of connecting base 12 fix on the end circle wallboard of storage tank, can be through modes such as welding or gluing, because end circle wallboard 7 is the arc, consequently, can use some auxiliary blocks or auxiliary plates, make connecting base 12 can be after fixing on end circle wallboard, the bottom surface of connecting base 12 is tangent with the outer wall of end circle wallboard 7, and the tangent line is through the central point of the bottom surface of connecting base 12, the axis of bracing piece 11 keeps the level, and the axis of bracing piece 11 can intersect and be perpendicular with the axis of storage tank. The support bar 11 may be provided with a level for aligning the axis of the support bar in a horizontal plane. The leveling rod can be fixed on the support rod 11 by welding or gluing.
The base 4 is fixed on the edge plate 6, and since the place where the edge plate 6 is fixed is not necessarily a horizontal plane, some auxiliary blocks or auxiliary plates can be used to horizontally fix the base 4 on the edge plate 6, and the vertical axis of the base 4 coincides with the axis of the displacement meter 3, so that the hemispherical measuring end of the lower end of the measuring part 32 is opposite to the center of the upper surface of the base 4. A level may be provided on the base 4 for calibration to keep the upper surface of the base 4 level.
When the bottom ring wall plate 7 inclines, the bottom ring wall plate 7 can drive the support frame 1 to change position, the support frame 1 drives the displacement meter 3 to incline, the hemispherical measuring end at the lower end of the measuring part 32 is always abutted against the bottom of the groove 41, the measuring part 32 can slide in the shell 31, the shell 31 and the measuring part 32 generate relative motion, and the displacement sensor is used for measuring the changed displacement between the shell 31 and the measuring part 32, namely the displacement a. The displacement sensor sends the displacement amount a to the communication component, which then sends it to the computer device.
The communication component may be a radio frequency communication component or a communication connection port. When the communication component is a radio frequency communication component, the radio frequency communication component may be a bluetooth module, a cellular network communication module, or a WiFi (Wireless Fidelity) module. When the communication component is a communication connection port, the radio frequency communication component may be a coaxial cable port, an optical fiber port, an ethernet port, or the like. In particular, for crude oil storage tanks, the communication means are typically communication connection ports to avoid fire hazards by providing a separate power supply in the displacement gauge 3.
And S502, acquiring a distance between the axis of the prestored measuring component and the bottom surface of the connecting base.
After the connection base 12 is vertically fixed on the bottom ring wall plate 7 of the tank and the base 4 is horizontally fixed on the edge plate 6 of the tank, the worker can measure the distance from the axis of the measuring part 32 of the displacement meter 3 to the bottom surface of the connection base 12 and store the distance in the computer device.
And after receiving the displacement a sent by the communication component, acquiring a distance b between the axis of the measuring component and the bottom surface of the connecting base, which is stored in advance.
S503, the computer equipment determines the variation of the included angle between the bottom ring wall plate and the edge plate based on the displacement and the distance.
After the computer equipment receives the displacement a sent by the communication component, based on the distance b between the axis of the measuring component and the bottom surface of the connecting base, which is stored in advance, the change amount theta of the included angle between the bottom ring wall plate and the edge plate can be calculated according to the following formula.
tanθ＝a/b
Namely, it is
θ＝tan -1 (a/b) (1)
Where θ is the amount of change in the angle between the base ring wall plate 7 and the edge plate 6, a is the amount of change between the housing 31 and the measuring member 32, and b is the distance between the axis of the measuring member 32 and the bottom surface of the connecting base 12.
Technical staff can set up a displacement volume threshold value or the contained angle variation threshold value of end ring wallboard and edge board in advance, numerical value when received displacement volume an is greater than or equal to this displacement volume threshold value, perhaps when contained angle variation theta that calculates according to received displacement volume a is greater than or equal to contained angle variation threshold value, can send warning information to technical staff, technical staff can be based on this warning information, carry out certain change or maintenance to the storage tank and handle, technical staff also can look over contained angle variation theta on computer equipment at any time.
In the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides an included angle monitoring devices, its characterized in that, included angle monitoring devices includes support frame (1), mounting (2), displacement meter (3), base (4) and bolt (5), wherein:
the supporting frame (1) comprises a supporting rod (11), a connecting base (12) and a fixed base (13), wherein the connecting base (12) is a rectangular plate and is fixedly connected with a first end of the supporting rod, one end of the fixed base (13) is provided with a first arc-shaped groove (131), the other end of the fixed base (13) is fixedly connected with a second end of the supporting rod (11), and the fixed base (13) is also provided with a threaded hole (132);
one end of the fixing piece (2) is provided with a second arc-shaped groove (21), the second arc-shaped groove (21) is matched with the first arc-shaped groove (131) in size and corresponds to the first arc-shaped groove in position, the fixing piece (2) is also provided with a through hole (22), the through hole (22) corresponds to the threaded hole (132), the fixing seat (13) and the fixing piece (2) are fixed through a bolt (5), and the second arc-shaped groove (21) and the first arc-shaped groove (131) jointly form a cylindrical mounting hole;
the displacement meter (3) comprises a shell (31), a measuring component (32), a displacement sensor and a communication component, wherein the lower end of the measuring component (32) is hemispherical, the shell (31) is cylindrical, the outer wall of the shell (31) is matched with the inner wall of the cylindrical mounting hole, the displacement sensor is positioned in an inner cavity of the shell (31), and the displacement sensor is electrically connected with the communication component;
the base (4) is a rectangular plate, and a groove (41) is formed in the center of the upper surface of the base (4).
2. An angle monitoring device according to claim 1, characterised in that the recess (41) is a spherical recess.
3. An angle monitoring device according to claim 1, characterised in that the underside of the connection base (12) and the base (4) are provided with anti-slip strips.
4. An angle monitoring device according to claim 1, in which the first end of the support rod (11) is fixed to the central position of the end face of the connection base (12).
5. An angle monitoring device according to claim 1, in which the second end of the support rod (11) is fixed to the centre of the end face of the mounting (13).
6. An angle monitoring device according to claim 1, characterised in that the support bar (11), the connection base (12) and the fixing base (13) are integrally formed.
7. Angle monitoring device according to claim 1, characterized in that the lower end of the measuring part (32) is in contact with the bottom of the groove (41) when the displacement gauge (3) is mounted in the cylindrical mounting hole and the base (4) is mounted in the edge plate (6) of the tank.
8. An angle monitoring device according to claim 1, characterised in that the displacement meter (3) further comprises a display member.
9. An angle monitoring system, comprising an angle monitoring device according to any one of claims 1 to 8 and a computer device, the computer device being electrically connected to the communication means.
10. An angle monitoring method, characterized in that the method is applied to an angle monitoring system according to claim 9, wherein a connection base (12) is vertically fixed on a bottom ring wall plate (7) of the storage tank, and a base (4) is horizontally fixed on an edge plate (6) of the storage tank;
the method comprises the following steps:
the displacement sensor transmits the detected displacement amount to the computer device through the communication component;
acquiring a distance between an axis of a pre-stored measuring component (32) and the bottom surface of the connecting base (12);
and the computer equipment determines the variation of an included angle between a bottom ring wall plate (7) of the storage tank and an edge plate (6) of the storage tank on the basis of the displacement and the distance.
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