CN214276789U - Large-scale outer floating roof oil tank inner wall deformation detection device - Google Patents
Large-scale outer floating roof oil tank inner wall deformation detection device Download PDFInfo
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- CN214276789U CN214276789U CN202120305652.1U CN202120305652U CN214276789U CN 214276789 U CN214276789 U CN 214276789U CN 202120305652 U CN202120305652 U CN 202120305652U CN 214276789 U CN214276789 U CN 214276789U
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Abstract
The utility model discloses a deformation detection device for the inner wall of a large-scale external floating roof oil tank, which comprises a horizontal bracket, a graduated scale and a measuring component connected with the end part of the graduated scale, wherein the horizontal bracket is used for being installed on the oil tank; the graduated scale is of a tape structure, the graduated scale is rotatably arranged on the horizontal support, the measuring end of the graduated scale is used for extending into the oil tank, the lifting of the measuring assembly is realized through the extension and retraction of the graduated scale, and the deformation size of the inner wall of the oil tank at any height is measured; the fixed position of the horizontal bracket on the outer edge of the oil tank is moved, the measurement of the inner wall of the oil tank in different circumferential directions can be measured, the operation is convenient, and the measurement result is accurate and reliable; the operator can measure the deformation of the inner wall of the oil tank outside the oil tank, so that the safety in the measuring process is improved; the method is favorable for safety evaluation and effective repair after the tank wall is deformed.
Description
Technical Field
The utility model belongs to the technical field of measuring tool, specifically speaking relates to a large-scale outer floating roof oil tank inner wall deformation detection device.
Background
As an important strategic resource for national development, the storage of crude oil is an important link for the current national petroleum strategic development. At present, crude oil is stored mainly by using a large-scale external floating roof metal storage tank which mainly comprises wall plates with different thicknesses, is fixedly arranged on a foundation by using non-anchors, and has the volume of 5 ten thousand, 10 ten thousand, 15 ten thousand cubic meters and more. With the rapid development of economic technology, the demand of crude oil is increasing, and the volume of crude oil storage tanks is also increasing rapidly. However, as the volume increases, the likelihood of deformation of the tank wall panels increases and the risk factor for crude oil storage increases.
Because long-time use, the storage tank can inevitably take place the basis and subside, leads to tank wall atress uneven, produces radial deformation, and in addition, temperature variation also can arouse the inside negative pressure of storage tank, leads to the pipe wall unstability of storage tank, produces the concave flat of great area, and storage tank wallboard deformation leads to the inefficacy of once sealing, makes oil gas leakage, and what very one leads to the storage tank to break, greatly increases the potential safety hazard.
The existing measurement of the deformation of the wall plate of the storage tank generally needs manual measurement by a caliper or other measuring tools under the condition that crude oil in the oil storage tank is emptied manually, the measurement process is dangerous, the residual crude oil is harmful to human bodies and limited by the measurement height, and the measurement range of the wall plate of the oil tank is limited, so that the measurement result has large error and is not accurate enough; therefore, the accurate grasp of the geometric dimension of the deformed part of the storage tank wall plate is beneficial to the safety evaluation and effective repair of the deformed tank wall, and has important significance for guaranteeing the safety of crude oil storage.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a large-scale outer floating roof oil tank inner wall warp detection device to solve the large-scale outer floating roof oil tank inner wall measurement that exists among the prior art and still rely on the manual work, the manual measurement process is dangerous great, and measuring result is inaccurate, and measuring range limits the scheduling problem
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
in one aspect, the utility model provides a large-scale outer floating roof oil tank inner wall warp detection device, it includes:
the horizontal bracket is used for being installed on the oil tank;
the graduated scale is of a tape structure, the graduated scale is rotatably mounted on the horizontal support, and the measuring end of the graduated scale is used for extending into the oil tank;
and the measuring component is connected to the end part of the graduated scale.
In some embodiments of the present application, the oil tank further comprises a steering wheel rotatably mounted at an end of the horizontal support, and the measuring end of the scale is rotated by the steering wheel to extend backwards into the oil tank.
In some embodiments of the present application, the horizontal bracket further includes a clamping groove, the clamping groove is movably connected to the horizontal bracket, and the clamping groove is connected to the horizontal bracket through a fastening screw.
In some embodiments of the present application, a clamping plate is disposed below the clamping groove, and is used for fixing the horizontal bracket to the outer edge of the oil tank.
In some embodiments of the present application, a leveling member is further disposed on the clamping groove, and the leveling member is a height-adjusting screw.
In some embodiments of the present application, the horizontal bracket is provided with scale lines and a horizontal bead.
In some embodiments of the application, the scale is installed on the carousel, the carousel with the scale synchronous revolution, the annular is provided with a plurality of locating holes on the carousel.
In some embodiments of this application, the scale with the carousel passes through base rotatable coupling and is in on the horizontal stand, movable mounting has the locating pin on the base for it is fixed the carousel.
In some embodiments of the present application, the measuring component includes a laser range finder connected to the measuring end of the scale, and a weight is further connected to the lower side of the laser range finder.
In some embodiments of the present application, the material of the splint is copper.
Compared with the prior art, the utility model discloses an advantage is with positive effect:
the utility model is mainly characterized in that the measuring component is connected on the horizontal bracket through the dividing ruler, the measuring component extends into the oil tank to be measured, and the lifting of the measuring component is realized through the extension and contraction of the dividing ruler, so as to measure the deformation size of the inner wall of the oil tank with any height; the fixed position of the horizontal bracket on the outer edge of the oil tank is moved, the measurement of the inner wall of the oil tank in different circumferential directions can be measured, the operation is convenient, and the measurement result is accurate and reliable; the operator can measure the deformation of the inner wall of the oil tank outside the oil tank, so that the safety in the measuring process is improved; fills the blank of the field of detecting the deformation size of the large-scale external floating roof oil tank, is beneficial to the safety evaluation and effective repair of the tank wall after deformation, and has important significance for ensuring the safety of crude oil storage
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a large external floating roof tank inner wall deformation detection device provided by the present invention;
fig. 2 is a schematic view of an operating state of an embodiment of the present invention;
fig. 3 is a schematic view of the installation of the scale in an embodiment of the present invention;
in the figure, 10, horizontal support; 11. horizontally soaking the beads; 12. scale lines; 20. a card slot; 21. a splint; 30. a graduated scale; 31. a turntable; 32. a base; 33. positioning pins; 40. a steering wheel; 50. a laser range finder; 60. a weight; 70. fastening screws; 80. an oil tank; 90. and a leveling member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that in the description of the present invention, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise explicitly stated or limited. For example, it may be a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 3, the device for detecting deformation of the inner wall of a large external floating roof oil tank 80 of the present embodiment includes a horizontal bracket 10, a scale 30 and a measuring assembly, wherein the horizontal bracket 10 is used for being mounted on the oil tank 80, the scale 30 is rotatably mounted on the horizontal bracket 10, a measuring end of the scale 30 is used for extending into the oil tank 80, the measuring assembly is connected to an end of the scale 30 to measure deformation of the inner wall of the oil tank 80, the scale 30 is of a tape structure, and contraction of the measuring end is realized by rotation of the scale 30, so as to measure deformation points of different heights of the inner wall of the oil tank 80.
In order to realize the smooth transition of the measuring end of the graduated scale 30 to the inner wall of the oil tank 80, the steering wheel 40 is arranged on the end part of the horizontal bracket 10 which is deep into the oil tank 80, the steering wheel 40 can be rotatably arranged, the measuring end of the graduated scale 30 extends into the oil tank 80 after being turned by the steering wheel 40, and the measuring end vertically downwards measures the inner wall of the oil tank 80.
In order to adjust the distance a between one end of the horizontal bracket 10 extending into the oil tank 80 and the deformation position of the inner wall of the oil tank, a clamping groove 20 is arranged on the horizontal bracket 10, the horizontal bracket 10 can move relative to the clamping groove 20, and the horizontal bracket 10 can be fixed at any position of the clamping groove 20 through a fastening screw 70. The distance a should be larger than the maximum value of the deformation of the inner wall of the oil tank, so that the measuring assembly can accurately measure the deformation value of the deformation position.
In order to ensure that the horizontal bracket 10 is in a horizontal state during operation, a leveling member 90 is further disposed on the slot 20, and the leveling member 90 is a height-adjusting screw with a certain adjustment amount in a vertical direction relative to the slot 20. The top of heightening screw contacts with the bottom of horizontal bracket 10, and through rotatory heightening screw, adjusts the balance of horizontal bracket 10, guarantees to be perpendicular between measuring end of scale 30 and horizontal bracket 10, and the measuring end of scale 30 is in vertical state for measuring result is accurate.
In order to realize the function of fixing the horizontal bracket 10 on the outer edge of the oil tank, in the embodiment, the clamping plate 21 is additionally arranged below the clamping groove 20, and the clamping plate 21 has certain elasticity and is made of copper material, so that electric sparks are not generated when the clamping plate slides on the outer edge of the oil tank, and safety is ensured. When the deformation of the oil tank 80 at different circumferential positions needs to be measured, the clamping plate 21 is detached from the outer edge of the oil tank and positioned on the outer edge of the oil tank at different positions.
As a preferred embodiment, in order to more conveniently observe whether the horizontal bracket 10 is in a horizontal state, a horizontal bead 11 is embedded in the horizontal bracket 10; the horizontal bracket 10 can be more intuitively observed and adjusted to be in a horizontal state in a working state by observing the position of the horizontal bubble bead 11.
Specifically, the horizontal bracket 10 is of a rectangular structure, the outer frame is flat, the length of the horizontal bracket 10 is greater than the horizontal length of the oil tank 80, the maximum deformation of the oil tank 80 can be measured, the scale marks 12 are marked on one side of the horizontal bracket 10, the scale marks 12 are marked from the end of the horizontal bracket 10 close to the scale 30 as "0", and are sequentially marked on the other end of the horizontal bracket 10, and the scale marks 12 are set to measure the horizontal distance between the inner wall of the storage tank and the scale 30.
As shown in fig. 3, in some embodiments, the scale 30 is mounted on a turntable 31, the turntable 31 and the scale 30 rotate synchronously, a plurality of positioning holes are annularly formed in the turntable 31, the scale 30 and the turntable 31 are rotatably connected to the horizontal bracket 10 through a base 32, a positioning pin 33 is movably mounted on the base 32 and used for fixing the turntable 31, during the downward or upward movement of the measuring assembly, the positioning pin 33 is disengaged from the positioning hole in the positioning plate, the positioning plate and the scale 30 rotate freely, and after the rotation is in place, the pin is inserted into the corresponding positioning hole to fix the positioning plate and the scale 30.
Specifically, state measuring unit and include laser range finder 50, in order to guarantee to measure safety, this laser range finder 50 possesses explosion-proof function, and laser range finder 50 is connected at the measuring end of scale 30, and laser range finder 50's below still is connected with weight 60, and weight 60 is used for guaranteeing that the measuring end of scale 30 is in the state of tensioning for measuring result is more accurate. The measuring point of the laser range finder 50 is on the same vertical line with the '0' scale of the scale mark 12, so that the horizontal distance between the measuring point and the inner wall of the oil tank 80 can be accurately measured, and data can be stored.
After the distance a between the end of the scale mark 12 and the inner wall of the oil tank 80 and the distance b between the laser range finder 50 and the measuring point are known, the difference between a and b is the deformation of the measuring point of the oil tank 80; then, the height position of the laser range finder 50 is changed, and the deformation amount of the inner wall of the oil tank 80 at different heights in the circumferential direction is continuously measured.
The working process is as follows:
the method comprises the following steps: the whole horizontal bracket 10 is clamped on the outer edge of the oil tank 80 by using a clamping plate 21 below the clamping groove 20, and the outer edge of the oil tank is marked.
Step two: adjusting the distance a between the measuring end of the horizontal support 10 and the inner wall of the oil tank, ensuring that the distance is larger than the maximum deformation of the inner wall of the oil tank, and reading the distance a between the '0' end of the horizontal support 10 and the inner wall of the oil tank 80; observing the state of the horizontal bubble 11, if the horizontal bubble 11 is in the middle position, the horizontal bracket 10 is in the horizontal state, and if the horizontal bubble 11 has deviation, adjusting the height-adjusting screw to ensure the horizontal state of the horizontal bubble 11.
Step three: the positioning pin 33 is separated from the rotary disc 31, then the graduated scale 30 is rotated, the measuring end of the graduated scale 30 is put down by taking the steering wheel 40 as a fulcrum, the graduated scale 30 stops rotating when the height to be detected is reached, the positioning pin 33 is inserted into the positioning hole at the opposite position, the weight 60 can enable the put-down graduated scale 30 to be kept vertical, and the distance b between the measuring point and the inner wall is detected through laser ranging and stored.
After the height detection is completed, the scale 30 is contracted or lowered to measure the deformation sizes of the oil tank 80 at the marked positions at different heights. If the deformation sizes of different circumferences of the oil tank 80 at the same height are to be measured, the lowering height of the graduated scale 30 is fixed, then the oil tank moves for a certain arc length of the tank opening along the circumferential direction of the outer edge of the oil tank, and the second step and the third step are repeated.
All the measurement data are processed to obtain the deformation sizes of the oil tank 80 at different heights and the deformation sizes of the same height and different circumferences. It should be noted that the smaller the selected height and the interval value of the opening arc length, the more accurate the deformation map of the oil tank 80 is drawn from the measured data.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (10)
1. A large-scale outer floating roof oil tank inner wall deformation detection device which is characterized by comprising:
the horizontal bracket is used for being installed on the oil tank;
the graduated scale is of a tape structure, the graduated scale is rotatably mounted on the horizontal support, and the measuring end of the graduated scale is used for extending into the oil tank;
and the measuring component is connected to the end part of the graduated scale.
2. The large-scale external floating roof tank inner wall deformation detecting device according to claim 1,
still include the directive wheel, the directive wheel rotatable mounting in the tip of horizontal stand, the measuring end of scale through the directive wheel backward extend to in the oil tank.
3. The large-scale external floating roof tank inner wall deformation detecting device according to claim 1,
the clamping groove is movably connected to the horizontal support, and the clamping groove is connected with the horizontal support through a fastening screw.
4. The large-scale external floating roof tank inner wall deformation detecting device according to claim 3,
and a clamping plate is arranged below the clamping groove and used for fixing the horizontal support on the outer edge of the oil tank.
5. The large-scale external floating roof tank inner wall deformation detecting device according to claim 3,
the clamping groove is further provided with a leveling piece, and the leveling piece is a height-adjusting screw.
6. The large-scale external floating roof tank inner wall deformation detecting device according to claim 5,
and the horizontal bracket is provided with scale marks and horizontal bulbs.
7. The large-scale external floating roof tank inner wall deformation detecting device according to claim 1,
the graduated scale is installed on the rotary table, the rotary table and the graduated scale rotate synchronously, and a plurality of positioning holes are formed in the rotary table in an annular mode.
8. The large external floating roof tank inner wall deformation detecting device according to claim 7,
the graduated scale with the carousel passes through base rotatable coupling on the horizontal stand, movable mounting has the locating pin on the base, is used for fixing the carousel.
9. The large-scale external floating roof tank inner wall deformation detecting device according to claim 1,
the measuring component comprises a laser range finder, the laser range finder is connected to the measuring end of the graduated scale, and a heavy hammer is connected to the lower portion of the laser range finder.
10. The large-scale external floating roof tank inner wall deformation detecting device according to claim 4,
the splint is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120305652.1U CN214276789U (en) | 2021-02-03 | 2021-02-03 | Large-scale outer floating roof oil tank inner wall deformation detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120305652.1U CN214276789U (en) | 2021-02-03 | 2021-02-03 | Large-scale outer floating roof oil tank inner wall deformation detection device |
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| Publication Number | Publication Date |
|---|---|
| CN214276789U true CN214276789U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120305652.1U Active CN214276789U (en) | 2021-02-03 | 2021-02-03 | Large-scale outer floating roof oil tank inner wall deformation detection device |
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| Country | Link |
|---|---|
| CN (1) | CN214276789U (en) |
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2021
- 2021-02-03 CN CN202120305652.1U patent/CN214276789U/en active Active
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