CN114803190B - Included angle monitoring device, system and method - Google Patents
Included angle monitoring device, system and method Download PDFInfo
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- CN114803190B CN114803190B CN202110082520.1A CN202110082520A CN114803190B CN 114803190 B CN114803190 B CN 114803190B CN 202110082520 A CN202110082520 A CN 202110082520A CN 114803190 B CN114803190 B CN 114803190B
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- shaped groove
- angle monitoring
- included angle
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- 238000012806 monitoring device Methods 0.000 title abstract description 18
- 238000000034 method Methods 0.000 title abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims abstract description 90
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 31
- 238000003466 welding Methods 0.000 claims description 4
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000010779 crude oil Substances 0.000 description 11
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- 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
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The application relates to an included angle monitoring device, an included angle monitoring system and an included angle monitoring method, and belongs to the technical field of petroleum storage. The contained angle monitoring devices includes support frame, mounting, displacement meter, base and bolt, wherein: the support frame comprises a support rod, a connecting base and a fixing seat, wherein one end of the fixing seat is provided with a first arc-shaped groove, and the fixing seat is also provided with a threaded hole; one end of the fixing piece is provided with a second arc-shaped groove, the second arc-shaped groove is matched with the first arc-shaped groove in size and corresponds to the first arc-shaped groove in position, the fixing piece is also provided with a through hole, the position of the through hole corresponds to the position of the threaded hole, the fixing seat and the fixing piece are fixed through bolts, and the second arc-shaped groove and the first arc-shaped groove form a cylindrical mounting hole together; the displacement meter comprises a shell and a measuring part, wherein the outer wall of the shell is matched with the inner wall of the cylindrical mounting hole; the base is a rectangular plate. By adopting the application, the device for effectively measuring the change of the included angle between the bottom ring wallboard and the edge board is provided.
Description
Technical Field
The application relates to the technical field of petroleum storage, in particular to an included angle monitoring device, an included angle monitoring system and an included angle monitoring method.
Background
A storage tank for storing crude oil, generally all have the polylith board to weld and form, and the bottom surface can expand a board that is on a parallel with ground and be used for with base fixed connection, be called the marginal board, the contained angle that the technician needs to monitor the bottom ring wallboard of storage tank always changes with the marginal board between, the contained angle is 90 when not storing crude oil, when oiling to the storage tank, the wallboard can receive very big impact force, can make the bottom ring wallboard produce certain slope, perhaps after storing crude oil, inside crude oil extrudes the bottom ring wallboard all around, makes the bottom ring wallboard take place the slope. If the inclination angle is too large, namely the change of the included angle between the bottom ring wallboard and the edge board is too large, the storage tank is unstable and crude oil can not be stored continuously. The current monitoring means is that a technician determines 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, an included angle monitoring system and an included angle monitoring method, which can solve the technical problems in the related art, and have the following technical scheme:
In a first aspect, an embodiment of the present application provides an included angle monitoring device, where the included angle monitoring device includes a support frame 1, a fixing piece 2, a displacement meter 3, a base 4, and a bolt 5, where:
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 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 131 in position, the fixing piece 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 fixing seat 13 and the fixing piece 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 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.
In one possible implementation, the grooves 41 are spherical grooves.
In one possible implementation, the bottom surfaces of the connection base 12 and the base 4 are each provided with anti-slip stripes.
In one possible implementation, the first end of the support rod 11 is fixed in a central position with respect to the end face of the connection base 12.
In one possible implementation, the second end of the support rod 11 is fixed in a central position on the end face of the fixed seat 13.
In one possible implementation, the support bar 11, the connection base 12 and the fixing base 13 are integrally formed.
In one possible implementation, when the displacement meter 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 member 32 is in contact with the bottom of the groove 41.
In one possible implementation, the displacement meter 3 further comprises a display means.
In a second aspect, the present embodiment provides an included angle monitoring system, where the included angle monitoring system includes an included angle monitoring device as set forth in any one of the preceding claims 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, wherein the method 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 means;
acquiring a distance between an axis of the measurement member 32 stored in advance and a bottom surface of the connection base 12;
The computer device determines the amount of change in the angle between the bottom ring wall plate 7 of the tank and the edge plate 6 of the tank based on the displacement amount 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, an included angle monitoring system and an included angle monitoring method, wherein when a bottom ring wallboard inclines, a support frame inclines along with the bottom ring wallboard to drive a shell of a displacement meter and a measuring component to generate relative displacement, and the changed displacement is measured through a displacement sensor, so that the change of the included angle between the bottom ring wallboard and an edge board of a storage tank is calculated.
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 as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic diagram of an angle monitoring device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of an angle monitoring device according to an embodiment of the present application;
FIG. 3 is a schematic view of a base according to an embodiment of the present application;
FIG. 4 is a schematic view of a tank according to an embodiment of the present application;
fig. 5 is a flowchart of an included angle monitoring method according to an embodiment of the present application.
Description of the drawings
1. A support frame;
11. A support rod; 12. the base is connected; 13. a fixing seat;
131. A first arc-shaped groove; 132. a threaded hole;
2. A fixing member;
21. A second arc-shaped groove; 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.
Specific embodiments of the present application have been shown by way of the above drawings and will be described in more detail below. The drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but rather to illustrate the inventive concepts to those skilled in the art by reference to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail with reference to the accompanying drawings.
The embodiment of the application provides an included angle monitoring device, which is shown in fig. 1 and 2, and comprises a supporting frame 1, a fixing piece 2, a displacement meter 3, a base 4 and a bolt 5.
The support frame 1 comprises a support rod 11, a connecting base 12 and a fixing base 13, wherein the connecting base 12 is a rectangular plate and fixedly connected with the first end of the support rod, a first arc-shaped groove 131 is formed in one end of the fixing base 13, the other end of the fixing base 13 is fixedly connected with the second end of the support rod 11, and a threaded hole 132 is further formed in the fixing base 13.
The support rod 11, the connecting base 12 and the fixing base 13 are integrally formed, a first end of the support rod 11 is fixed at the center position of the end face of the connecting base 12, and a second end of the support rod 11 is fixed at the center position of the end face of the fixing base 13. The supporting rod 11, the connecting base 12 and the fixing seat 13 can be made of stainless steel.
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 in position, the fixing piece 2 is further provided with a through hole 22, the position of the through hole 22 corresponds to that of the threaded hole 132, the fixing seat 13 and the fixing piece 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 includes casing 31, measuring part 32, displacement sensor and communication part, and wherein measuring part 32's lower extreme is hemispherical, and casing 31 is cylindrical, the outer wall of casing 31 with cylindrical mounting hole's inner wall cooperatees, and displacement sensor is located the inside cavity of casing 31, displacement sensor and communication part electric connection. The displacement sensor may be a grating sensor or the like.
The base 4 is a rectangular plate, and a groove 41 is provided at the center of the upper surface of the base 4, as shown in fig. 3.
The fixing member 2, the housing 31, the measuring member 32 and the base 4 may be made of stainless steel.
The size and position of the second arc-shaped groove 21 on the fixing piece 2 correspond to those of the first arc-shaped groove 131 on the fixing seat 13, the fixing piece 2 and the fixing seat 13 are correspondingly attached together, then the bolt 5 can pass through the through hole 22 on the fixing piece 2 and then penetrate into the threaded hole 132 on the fixing seat 13 corresponding to the position of the through hole 22, the bolt 5 is rotated to be in threaded connection with the threaded hole 132 for fixing, so that the fixing piece 2 and the fixing seat 13 are connected together, and when the bolt 5 is screwed into the threaded hole 132 but not screwed down, the displacement meter 3 can be put into a cylindrical mounting hole formed by the second arc-shaped groove 21 and the first arc-shaped groove 131 together by the measuring part 32, and then four bolts 5 are screwed down.
The structural arrangement of the first arc-shaped groove 131 and the second arc-shaped groove 21 and the fastening manner with the housing 31 of the displacement meter 3 may be various, and the following are several:
the first arc-shaped groove 131 and the second arc-shaped groove 21 may be configured as semicircular grooves, 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 the shell 31 is placed in the cylindrical mounting hole formed by the second arc-shaped groove 21 and the first arc-shaped groove 131, and the height is adjusted, the four bolts 5 can be screwed down, the outer wall of the shell 31 is in interference fit with the inner wall of the cylindrical mounting hole, and the fixing piece 2 and the fixing seat 13 can fix the shell 31 at a certain position.
Or the first arc-shaped groove 131 and the second arc-shaped groove 21 are both arranged with radians between 90 degrees and 180 degrees, and the cylindrical mounting hole formed by the second arc-shaped groove 21 and the first arc-shaped groove 131 is tightly attached to the shell 31 by screwing the bolt, so that the shell 31 is fixed and cannot move randomly.
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 height of the displacement meter 3 can be adjusted by screwing the bolt 5 to adjust the fixed position of the housing 31. When the displacement meter 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 member 32 is in contact with the bottom of the groove 41.
When the above included angle monitoring device is used for monitoring the included angle between the bottom ring wallboard and the edge board of the storage tank, the specific operation can be as follows:
For crude oil storage, a storage tank is generally adopted, the side wall of the storage tank is formed by welding a plurality of plates, the bottom ring side wall is the side wall of the lowest end of the storage tank, and generally, a circle of plates are protruded at the bottom edge of the bottom ring side wall 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, which is shown in fig. 1 and 2, and comprises a supporting frame 1, a fixing piece 2, a displacement meter 3, a base 4 and a bolt 5.
The support frame 1 comprises a support rod 11, a connecting base 12 and a fixing base 13, wherein the connecting base 12 is a rectangular plate and fixedly connected with the first end of the support rod, a first arc-shaped groove 131 is formed in one end of the fixing base 13, the other end of the fixing base 13 is fixedly connected with the second end of the support rod 11, and a threaded hole 132 is further formed in the fixing base 13.
The support rod 11, the connecting base 12 and the fixing base 13 are integrally formed, a first end of the support rod 11 is fixed at the center position of the end face of the connecting base 12, and a second end of the support rod 11 is fixed at the center position of the end face of the fixing base 13. The supporting rod 11, the connecting base 12 and the fixing seat 13 can be made of stainless steel.
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 in position, the fixing piece 2 is further provided with a through hole 22, the position of the through hole 22 corresponds to that of the threaded hole 132, the fixing seat 13 and the fixing piece 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 located 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 provided at the center of the upper surface of the base 4, as shown in fig. 3.
The fixing member 2, the housing 31, the measuring member 32 and the base 4 may be made of stainless steel.
The technician can fix the bottom surface of the connection base 12 on the bottom ring wall plate of the storage tank, can be welded or glued, etc., and can use auxiliary blocks or auxiliary plates because the bottom ring wall plate is an arc plate, so that after the connection base 12 is fixed on the bottom ring wall plate, the bottom surface of the connection base 12 is tangent to the outer wall of the bottom ring wall plate, and the tangent line passes through the center point of the bottom surface of the connection base 12, the axis of the support rod 11 is kept horizontal, and the axis of the support rod 11 can intersect and be vertical to the axis of the storage tank.
The support bar 11 may be provided with a level for alignment with the axis of the support bar in the horizontal plane. The level bar may be fixed to the support bar 11 by welding or gluing, etc.
The fixing member 2 may then be mounted, the second arcuate slot 21 on the fixing member 2 has a size and a position corresponding to those of the first arcuate slot 131 on the fixing base 13, the fixing member 2 and the fixing base 13 are correspondingly attached together, the bolt 5 may then be passed through the through hole 22 on the fixing member 2 and then threaded 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 screwed into the threaded hole 132 to thereby connect the fixing member 2 and the fixing base 13 together, and when the bolt 5 is screwed into the threaded hole 132 but not screwed, the displacement gauge 3 is put into the cylindrical mounting hole formed by the second arcuate slot 21 and the first arcuate slot 131 together with its measuring part 32 in a downward direction, and then the four bolts 5 are screwed.
The structural arrangement of the first arc-shaped groove 131 and the second arc-shaped groove 21 and the fastening manner with the housing 31 of the displacement meter 3 may be various, and the following are several:
the first arc-shaped groove 131 and the second arc-shaped groove 21 may be configured as semicircular grooves, 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 the shell 31 is placed in the cylindrical mounting hole formed by the second arc-shaped groove 21 and the first arc-shaped groove 131, and the height is adjusted, the four bolts 5 can be screwed down, the outer wall of the shell 31 is in interference fit with the inner wall of the cylindrical mounting hole, and the fixing piece 2 and the fixing seat 13 can fix the shell 31 at a certain position.
Or the first arc-shaped groove 131 and the second arc-shaped groove 21 are both arranged with radians between 90 degrees and 180 degrees, and the cylindrical mounting hole formed by the second arc-shaped groove 21 and the first arc-shaped groove 131 is tightly attached to the shell 31 by screwing the bolt, so that the shell 31 is fixed and cannot move randomly.
After the housing and the support frame 1 are fixed, the base 4 can be fixed on 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 of the lower end of the measuring part 32 is aligned to the center of the upper surface of the base 4.
A level bar may be provided on the base 4 for alignment to maintain 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 height of the displacement meter 3 can be adjusted by screwing the bolt 5 to adjust the fixed position of the housing 31. When the displacement meter 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 member 32 is in contact with the bottom of the groove 41.
The hemispherical measuring end contacts with the bottom of the groove 41, so that when the bottom ring wallboard is inclined, the stress direction of the measuring component 32 of the displacement meter 3 is kept consistent, and the error of the change amount of the included angle calculated by the measured displacement can be effectively reduced.
Alternatively, the bottom surfaces of the connection base 12 and the base 4 may be provided with anti-slip stripes. For increasing the friction between the connecting base 12 and the bottom ring wall 7 and between the base 4 and the edge plate 6.
The casing 31 of displacement meter 3 cup joints in the upper end of measuring part 32, when pour into crude oil into the storage tank, impact force is great to the wallboard of storage tank, and in the crude oil storage process after, inside crude oil also can extrude the bottom ring wallboard all around, make the wallboard outwards produce certain slope, then the bottom ring wallboard can drive support frame 1 and take place the change of position, support frame 1 drives displacement meter 3 slope, and measuring part 32's hemispherical measuring end and the tank bottom butt of recess 41 all the time, then can make measuring part 32 slide in casing 31, produce relative motion between casing 31 and the measuring part 32, displacement sensor is used for measuring the displacement volume that changes between casing 31 and the measuring part 32, namely displacement volume a. The worker may measure in advance the distance b between the axis of the measuring member 32 and the bottom surface of the connection base 12, and may calculate the amount of change θ in the angle between the bottom ring wall plate and the edge plate according to the following formula.
tanθ＝a/b
I.e.
θ＝tan-1(a/b) (1)
Where θ is the amount of change in the angle between the bottom ring wall plate 7 and the edge plate 6, a is the amount of displacement that changes 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 connection 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 the interior is hollow, and a plurality of included angle monitoring devices can be uniformly arranged around the storage tank.
The displacement meter 3 further includes a display section to which the displacement sensor sends the displacement amount a when detecting the displacement amount a, and the display section displays the displacement amount a. The housing 31 of the displacement meter 3 is also provided with a display screen, and the displacement a is displayed on the display screen for a technician to check at any time. The technician can periodically record the displacement a on the display screen, and then calculate according to the formula to obtain the variation theta of the included angle between the bottom ring wallboard and the edge board, so as to judge whether the storage tank can be used continuously.
The embodiment provides an included angle monitoring system, including foretell included angle monitoring devices and computer equipment, computer equipment with communication part electric connection.
When the bottom ring wall plate 7 is inclined and the included angle between the bottom ring wall plate 7 and the edge plate 6 is changed, the shell 31 of the displacement meter 3 and the measuring component 32 relatively move, the displacement sensor measures the change amount of the relative displacement generated between the shell 31 and the measuring component 32, namely the displacement amount a, and transmits the change amount a to the communication component, the communication component sends the displacement amount a to the computer equipment, and the computer equipment can calculate the change amount theta of the included angle between the bottom ring wall plate 7 and the edge plate 6 according to a prestored formula (1). The technical staff can preset a displacement threshold value or an included angle change quantity threshold value of the bottom ring wall plate 7 and the edge plate 6, when the received value of the displacement a is larger than or equal to the displacement threshold value or the included angle change quantity theta calculated according to the received displacement a is larger than or equal to the included angle change quantity threshold value, warning reminding information is displayed, the technical staff can replace or maintain the storage tank to a certain degree based on the warning reminding information, and the technical staff can check the included angle change quantity theta on computer equipment at any time.
The embodiment also provides an included angle monitoring method, which is applied to the included angle monitoring system for explanation. As shown in fig. 1 and 2, wherein 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 comprises the steps of:
S501, the displacement sensor transmits the detected displacement amount to the computer device through the communication means.
The technician can fix the bottom surface of the connection base 12 on the bottom ring wall plate of the storage tank, can be welded or glued, etc., and because the bottom ring wall plate 7 is an arc plate, some auxiliary blocks or auxiliary plates can be used, so that after the connection base 12 is fixed on the bottom ring wall plate, the bottom surface of the connection base 12 is tangent with the outer wall of the bottom ring wall plate 7, and the tangent line passes through the center point of the bottom surface of the connection base 12, the axis of the support rod 11 is kept horizontal, and the axis of the support rod 11 can intersect with the axis of the storage tank and be vertical. The support bar 11 may be provided with a level for alignment with the axis of the support bar in the horizontal plane. The level bar may be fixed to the support bar 11 by welding or gluing, etc.
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 may be used to fix the base 4 horizontally 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 measuring end of the lower end hemispherical shape of the measuring member 32 is aligned to the center of the upper surface of the base 4. A level bar may be provided on the base 4 for alignment to maintain the upper surface of the base 4 level.
When the bottom ring wall plate 7 is inclined, the bottom ring wall plate 7 drives the support frame 1 to change in position, the support frame 1 drives the displacement meter 3 to incline, and the hemispherical measuring end at the lower end of the measuring component 32 is always abutted against the bottom of the groove 41, so that the measuring component 32 slides in the housing 31, relative movement is generated between the housing 31 and the measuring component 32, and the displacement sensor is used for measuring the changing displacement between the housing 31 and the measuring component 32, namely the displacement a. The displacement sensor sends the displacement amount a to the communication means, which then sends 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, or the like. When the communication component is a communication connection port, the radio frequency communication component may be a coaxial cable port, a fiber optic port, an ethernet port, or the like. In particular, for crude oil tanks, the communication means are typically communication connection ports, so as to avoid the presence of separate power supply means in the displacement meter 3, which could cause fire hazard.
S502, acquiring the distance between the axis of the pre-stored measuring component and the bottom surface of the connecting base.
After vertically fixing the connection base 12 to the bottom ring wall plate 7 of the tank and horizontally fixing the base 4 to the edge plate 6 of the tank, the worker can measure the distance between the axis of the measuring part 32 of the displacement meter 3 to the bottom surface of the connection base 12 and store it in the computer device.
After receiving the displacement amount a transmitted by the communication part, the distance b between the axis of the measuring part and the bottom surface of the connecting base, which is stored in advance, is acquired.
S503, the computer equipment determines the change amount of the included angle between the bottom ring wallboard and the edge board based on the displacement amount and the distance.
When the computer device receives the displacement amount a sent by the communication component, based on the distance b between the axis of the pre-stored measuring component and the bottom surface of the connecting base, the change amount θ 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
I.e.
θ＝tan-1(a/b) (1)
Where θ is the amount of change in the angle between the bottom ring wall plate 7 and the edge plate 6, a is the amount of displacement that changes 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 connection base 12.
The technical staff can preset a displacement threshold value or an included angle change quantity threshold value of the bottom ring wall plate and the edge plate, when the received value of the displacement a is larger than or equal to the displacement threshold value or the included angle change quantity theta calculated according to the received displacement a is larger than or equal to the included angle change quantity threshold value, warning reminding information is sent to the technical staff, the technical staff can replace or maintain the storage tank to a certain degree based on the warning reminding information, and the technical staff can check the included angle change quantity theta on computer equipment at any time.
In 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" refers to two or more, unless explicitly defined otherwise.
The foregoing description of the preferred embodiments of the present application is not intended to limit the application, but rather, the application is to be construed as limited to the appended claims.
Claims (7)
1. The utility model provides an contained angle monitoring system, its characterized in that, contained angle monitoring system includes support frame (1), mounting (2), displacement meter (3), base (4), bolt (5) and computer equipment, wherein:
The support frame (1) comprises a support rod (11), a connecting base (12) and a fixing base (13), wherein the connecting base (12) is a rectangular plate and is fixedly connected with the first end of the support rod, the bottom surface of the connecting base (12) is used for being fixed on a bottom ring wallboard (7) of the storage tank, one end of the fixing base (13) is provided with a first arc-shaped groove (131), the other end of the fixing base (13) is fixedly connected with the second end of the support rod (11), the fixing base (13) is also provided with a threaded hole (132), the side wall of the storage tank is formed by welding a plurality of plates, and the bottom ring wallboard (7) is the side wall of the bottommost end of the storage tank;
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 in position, the fixing piece (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 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) form a cylindrical mounting hole together;
the displacement meter (3) comprises a shell (31), a measuring part (32), a displacement sensor and a communication part, wherein the lower end of the measuring part (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 measuring part (32) slides in the shell (31), the displacement sensor is positioned in the inner cavity of the shell (31), and the displacement sensor is electrically connected with the communication part;
the base (4) is a rectangular plate, a groove (41) is formed in the right center of the upper surface of the base (4), the bottom of the groove (41) is in contact with the lower end of the measuring part (32), the base (4) is horizontally fixed on an edge plate (6) of the storage tank, and a circle of plate protrudes from the edge of the bottom surface of the bottom ring wall plate (7) to form the edge plate (6) for fixing the storage tank;
the computer equipment is electrically connected with the communication component;
The displacement sensor is used for sending the detected displacement to the computer equipment through the communication component; the computer device is used for determining the change amount of the included angle between the bottom ring wallboard (7) of the storage tank and the edge board (6) of the storage tank based on the displacement amount and the distance between the axis of the pre-stored measuring component (32) and the bottom surface of the connecting base (12).
2. An included angle monitoring system according to claim 1, characterized in that the recess (41) is a spherical recess.
3. The angle monitoring system according to claim 1, wherein the bottom surfaces of the connection base (12) and the base (4) are each provided with anti-slip stripes.
4. The angle monitoring system according to claim 1, wherein the first end of the support rod (11) is fixed in a central position to the end face of the connection base (12).
5. The angle monitoring system according to claim 1, wherein the second end of the support rod (11) is fixed in a central position of the end face of the fixed seat (13).
6. The included angle monitoring system according to claim 1, wherein the support bar (11), the connection base (12) and the fixing base (13) are integrally formed.
7. The angle monitoring system according to claim 1, characterized in that the displacement meter (3) further comprises a display means.
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| CN205785225U (en) * | 2016-05-24 | 2016-12-07 | 中冶天工集团天津有限公司 | A kind of device for cartridge type steel storage tank reverse installation process squareness measurement |
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| CN101504286A (en) * | 2008-02-07 | 2009-08-12 | 约翰尼斯海登海恩博士股份有限公司 | Angle measuring device |
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