CN111964557A - Measuring device for measuring reference point of vertical metal can and using method - Google Patents
Measuring device for measuring reference point of vertical metal can and using method Download PDFInfo
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- CN111964557A CN111964557A CN202010984729.2A CN202010984729A CN111964557A CN 111964557 A CN111964557 A CN 111964557A CN 202010984729 A CN202010984729 A CN 202010984729A CN 111964557 A CN111964557 A CN 111964557A
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- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 239000003302 ferromagnetic material Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 11
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- 210000004247 hand Anatomy 0.000 description 2
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
- G01B5/061—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness height gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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Abstract
The invention provides a measuring device for measuring a reference point of a vertical metal can and a using method thereof, belonging to the technical field of measuring equipment. The invention comprises a platform plate, a fixing mechanism, a fixing sleeve, three supporting mechanisms and a driving mechanism, wherein the platform plate is rotatably provided with a rotating plate, a bubble level gauge is embedded on the rotating plate, the fixing mechanism can enable the rotating plate to be fixed at any angle, a telescopic mechanism can enable the fixing sleeve to move along the radial direction of the rotating plate, the three supporting mechanisms are circumferentially arranged on the lower side surface of the platform plate, each supporting mechanism comprises a supporting pipe, a first screw rod and a limiting structure, the upper end of each supporting pipe is hinged to the platform plate, the lower end of each supporting pipe is rotatably provided with the rotating sleeve, the first screw rods are in threaded connection with the rotating sleeve, the lower end of each first screw rod is hinged with a rubber plate, the limiting structures can limit the first screw rods to rotate, and the driving mechanism. The invention can quickly measure the elevation of the lower metering datum point.
Description
Technical Field
The invention belongs to the technical field of measuring equipment, and relates to a measuring device for measuring a reference point of a vertical metal can and a using method thereof.
Background
The vertical metal tank is one of main measuring instruments for international petrochemical product trade settlement and is also an important measuring instrument for domestic trade settlement in China, the capacity of the vertical metal tank is accurately measured, and the economic benefit of the foreign trade in China is directly related.
Due to the reasons of construction and installation processes and the like, the bottom of a vertical metal tank is in an irregular geometric shape actually, according to the regulation specified in JJG168-2018 'volume of the vertical metal tank', the tank bottom volume refers to the tank bottom volume below the plane of the highest point of the tank bottom, a geometric measurement method is generally adopted for measurement, a leveling instrument is erected on a stable point close to the center of the tank bottom, elevation scales are erected on each measurement point, the central point of the tank bottom and a lower measurement datum point one by one, the reading of a staff gauge is read by the leveling instrument, the elevation of each measurement point is recorded, the lower measurement datum point is the intersection point of a free lower perpendicular line of the upper measurement datum point and the surface of a metering plate, the intersection point is directly below the metering pipe and cannot be obtained through actual measurement, the elevation scales are used for erecting around the metering pipe for measurement at present.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a measuring device for measuring a reference point of a vertical metal can, which can quickly measure the elevation of a lower metering reference point and has high accuracy.
The purpose of the invention can be realized by the following technical scheme:
a measuring device for measuring a datum point of a vertical metal can, comprising: the bubble level gauge comprises a platform plate, a bubble level gauge and a control device, wherein the platform plate is circular, the upper side surface of the platform plate is coaxially and rotatably provided with a rotating plate, and the upper side surface of the rotating plate is coaxially embedded with the bubble level gauge;
the fixing mechanism is arranged on the platform plate, and when the rotating plate rotates, the fixing mechanism can fix the rotating plate at any position;
the fixed sleeve is vertically arranged on the side edge of the rotating plate through a telescopic mechanism, the upper end edge of the fixed sleeve is flush with the upper side face of the rotating plate, and the telescopic mechanism can enable the fixed sleeve to horizontally move along the radial direction of the rotating plate;
three supporting mechanism, three the supporting mechanism sets up on the downside of landing slab along the circumference interval evenly, the supporting mechanism has: the upper end of the supporting pipe is hinged to the lower side face of the platform plate, the supporting pipe can only rotate along the radial direction of the platform plate, and the lower end of the supporting pipe is coaxially and rotatably provided with a first rotating sleeve; the first screw is in threaded connection with the inside of the first rotating sleeve, the upper end of the first screw extends into the supporting pipe, and the lower end of the first screw is hinged with a rubber plate; the limiting structure is arranged on the first screw rod and can limit the first screw rod to rotate when the first rotating sleeve rotates;
and a driving mechanism provided on a lower side surface of the platen, the driving mechanism being capable of rotating the three support pipes simultaneously in the radial direction and fixing the three support pipes.
In the above-described measuring apparatus for measuring a reference point of a vertical metal can, the fixing mechanism includes:
the upright post is vertically and fixedly arranged on the upper side surface of the platform plate;
annular electromagnet, annular electromagnet overlaps and establishes on the stand, annular electromagnet's the side of going up is equipped with the rubber circle, controller and battery are equipped with to the downside of landing slab, annular electromagnet passes through the controller and holds the battery electricity and connect, the rotor plate is made by ferromagnetic material.
In the above-described measuring apparatus for measuring a reference point of a vertical metal can, the telescopic mechanism includes:
the extension sleeve is horizontally and fixedly arranged on the side edge of the rotating plate along the radial direction;
the extension rod is arranged in the extension sleeve in a sliding mode, and one end, far away from the rotating plate, of the extension rod is fixedly connected with the fixed sleeve;
the extension sleeve is provided with a first threaded hole on the outer side away from the rotating plate, the first butterfly bolt is in threaded connection with the first threaded hole, and the extension rod can be fixed by the first butterfly bolt.
In the above-described measuring device for measuring a reference point of a vertical metal can, the position restricting structure includes:
the sliding block is fixedly arranged at the upper end of the first screw rod;
the sliding groove is formed in the inner side wall of the supporting tube, the length direction of the sliding groove is consistent with that of the supporting tube, and the sliding block is arranged in the sliding groove in a sliding mode.
In the above-described measuring device for measuring a reference point of a vertical metal can, the drive mechanism includes:
the second screw rod is coaxially and fixedly arranged on the lower side surface of the platform plate, and the lower end of the second screw rod is fixedly provided with a fixing plate;
the internal thread sleeve is in threaded connection with the second screw rod;
the second rotating sleeve is rotatably arranged on the outer side of the internal thread sleeve;
the three connecting rods are in one-to-one correspondence with the three supporting pipes, one end of each connecting rod is hinged to the outer side of the corresponding second rotating sleeve through a first hinged shaft, and the other end of each connecting rod is hinged to the corresponding supporting pipe through a second hinged shaft.
In the measuring device for measuring the reference point of the vertical metal can, a cylindrical ruler is inserted into the fixing sleeve, the length of the cylindrical ruler is greater than that of the fixing sleeve, a second threaded hole is formed in the side wall of the fixing sleeve, and a second butterfly bolt is connected to the second threaded hole in an internal thread mode.
In the measuring device for measuring the reference point of the vertical metal can, an electromagnet is arranged in the rubber plate and is electrically connected with the storage battery through a controller.
In the above measuring device for measuring the reference point of the vertical metal can, the outer side of the first rotating sleeve is provided with a rubber layer.
A method of using a measuring device for measuring a datum point of a vertical metal can, comprising the steps of:
s1, conveying the measuring device to the position near the measuring plate, and then upwards rotating the internal thread sleeve according to the height of the measuring plate to drive the second rotating sleeve to upwards move and lift the rotating plate to be equal to the height of the measuring plate;
s2, rotating the rotating plate to enable the fixed sleeve to be located above the metering plate, then adjusting the first rotating sleeves on the three supporting tubes, respectively changing the lengths of the three first screws extending out of the first rotating sleeves, and adjusting the rotating plate to be in a horizontal state according to the bubble level meter;
s3, rotating the rotating plate and the extending rod to enable the fixed sleeve to move to the center of the metering plate, then starting the storage battery through the controller to enable the annular electromagnet and the rotating plate to generate attraction, enabling the annular electromagnet to move upwards along the upright column to be in contact with the lower side face of the rotating plate to limit the rotation of the rotating plate, and then rotating the first butterfly bolt to fix the extending rod at the current position;
s4, if a gap exists between the lower end of the fixed sleeve and the measuring plate, sliding the cylindrical ruler downwards to enable the lower end of the cylindrical ruler to contact the measuring plate, then rotating the second butterfly bolt to fix the cylindrical ruler, and reading the numerical value of the junction of the upper end of the fixed sleeve and the cylindrical ruler;
and S5, placing the level gauge near the center of the tank bottom, vertically placing a sliding staff on the rotating plate, and reading the value of the sliding staff and the value read on the cylindrical ruler by using the level gauge to calculate the elevation of the measuring plate.
Compared with the prior art, the invention has the following advantages:
1. in the initial state, the three supporting tubes are all close to the center of the platform plate, so that the size of the measuring device is reduced, and the carrying is convenient. When the measuring device is required to be used, the measuring device is conveyed to the vicinity of the measuring pipe, the rubber plate at the lower end of the first screw rod is contacted with the bottom of the tank, the fixed sleeve is positioned above the measuring plate, the three support pipes are enabled to rotate outwards along the radial direction through the driving mechanism, the height of the platform plate is reduced, the fixed sleeve is enabled to rotate to the position right above the measuring plate through rotating the rotating plate, then the fixed sleeve is enabled to move to the center of the measuring plate along the radial direction through the telescopic mechanism, the three support pipes are fixed through the driving mechanism, then the first rotating sleeve at the lower ends of the three support pipes is rotated, the length of the first screw rod extending out of the first rotating sleeve is changed, whether the rotating plate is in a horizontal state is observed according to the bubble level, when the rotating plate reaches the horizontal state, the tower ruler is vertically placed on the rotating plate, the elevation of the measuring plate, the accuracy is high;
2. when the fixed sleeve rotates to the position above the metering plate through the rotating plate, the annular electromagnet is started through the controller to generate magnetism and generate attraction with the rotating plate, so that the annular electromagnet moves upwards along the stand column until the rubber ring contacts with the rotating plate to fix the rotating plate, and the operation is simple;
3. when the fixed sleeve and the metering plate are still at a certain distance, in order to avoid moving the rotating plate again, the first butterfly bolt can be rotated, so that the extension rod moves outwards along the extension sleeve, and the extension rod is fixed by rotating the first butterfly bolt after the fixed sleeve reaches the middle position of the metering tube, therefore, the structure is simple, and the adjustment is convenient;
4. when the first rotating sleeve is rotated, the first screw rod can rotate along with the first rotating sleeve, and the sliding block on the first screw rod is limited by the sliding groove, so that the first screw rod can only slide along the length direction of the sliding groove, and the structure is simple;
5. when the three supporting pipes need to be opened outwards, the internal thread sleeve is rotated upwards to drive the second rotating sleeve to move upwards, the supporting pipes are pushed to rotate outwards along the radial direction through the connecting rod, and when the internal thread sleeve stops rotating, the three supporting pipes are fixed at the current position at the same time, so that the platform plate and the rotating plate are kept in a horizontal state, and the measuring accuracy is improved;
6. in the initial state, the lower end of the fixed sleeve is in contact with the metering plate, after the horizontal state of the platform plate is adjusted, a certain gap possibly exists between the lower end of the fixed sleeve and the metering plate, in order to avoid adjusting the platform plate again, the second butterfly bolt can be outwards rotated, the cylindrical ruler can downwards slide to be in contact with the metering plate, then the second butterfly bolt is rotated into the fixed sleeve to fix the cylindrical ruler, a numerical value is read from the junction of the cylindrical ruler and the upper end of the fixed sleeve, the length of the original fixed sleeve is replaced by the numerical value, the frequency of adjusting the platform plate is reduced, and time and labor are saved;
7. because the surface of the tank bottom is uneven, when the rubber plate contacts the tank bottom, the electromagnet is started through the controller, so that attraction force is generated between the electromagnet and the tank bottom, the rubber plate and the tank bottom are prevented from deviating, and a measuring device is prevented from toppling over, and the safety and the reliability are realized;
8. when the first screw rod that needs to stretch out and draw back, hold the rotating tube, the rubber layer increases the frictional force between hand and the first rotating sleeve pipe, avoids skidding, improves rotation efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken at B-B of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
FIG. 5 is a schematic view of the elevation of the leveling plate measured by the measuring device.
In the figure, 1, a platform plate; 11. an extension rod; 111. an extension sleeve; 112. a first threaded hole; 113. a first butterfly bolt; 12. fixing the sleeve; 121. a cylindrical ruler; 122. a second threaded hole; 123. a second butterfly bolt; 13. a bubble level 14, a controller; 15. a storage battery; 16. a rotating plate; 17. a column; 171. an annular electromagnet; 172. a rubber ring; 2. supporting a tube; 21. a first rotating sleeve; 22. a chute; 23. closing the plate; 24. a connecting rod; 241. a first hinge shaft; 242. a second hinge shaft; 3. a first screw; 31. a slider; 4. a rubber plate; 41. an electromagnet; 5. a second screw; 51. a fixing plate; 52. an internally threaded sleeve; 521. rotating the rod; 53. a second rotating sleeve; 6. a metering tube; 7. a metering plate; 71. fixing the rod; 8. the tank bottom; 81. a level gauge; 9. a tower ruler.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, a measuring apparatus for measuring a reference point of a vertical metal can includes a platform plate 1, a fixing mechanism, a fixing sleeve 12, three supporting mechanisms, and a driving mechanism.
The landing slab 1 is circular, the coaxial rotation of the side of going up of landing slab 1 is provided with rotor plate 16, the coaxial dress that goes up of rotor plate 16 has bubble spirit level 13.
The fixing mechanism is arranged on the platform board 1, and the fixing mechanism can fix the rotating board 16 at any angle.
The fixed sleeve 12 is vertically and fixedly arranged at one end, far away from the platform plate 1, of the extension rod 11, and the upper end edge of the fixed sleeve 12 is flush with the upper side face of the platform plate 1.
Three supporting mechanism sets up evenly on the downside of landing slab 1 along the circumference interval, supporting mechanism includes stay tube 2, first screw rod 3 and limit structure.
The upper end of stay tube 2 has set firmly shrouding 23, the one end that stay tube 2 was equipped with shrouding 23 articulates on the downside of landing slab 1, stay tube 2 can only follow landing slab 1's radial rotation, the coaxial rotation of the lower extreme of stay tube 2 is provided with first rotating sleeve 21.
The first screw rod 3 is in threaded connection with the first rotating sleeve 21, the upper end of the first screw rod 3 extends into the supporting tube 2, and the lower end of the first screw rod 3 is hinged with the rubber plate 4.
The limiting structure is arranged on the first screw rod 3, and when the first rotating sleeve 21 rotates, the limiting structure can limit the first screw rod 3 to rotate.
The driving mechanism is provided on the lower side surface of the deck 1, and the fixing mechanism is capable of rotating the three support pipes 2 in the radial direction simultaneously and fixing the three support pipes 2.
In the initial state, the three supporting tubes 2 are all close to the center of the platform plate 1, so that the size of the measuring device is reduced, and the carrying is convenient. When the measuring device is required to be used, the measuring device is conveyed to the vicinity of the measuring pipe 6, the rubber plate 4 at the lower end of the first screw rod 3 is in contact with the tank bottom 8, the fixed sleeve 12 is positioned above the measuring plate 7, the three supporting pipes 2 are radially outwards rotated through the driving mechanism, the heights of the platform plate 1 and the rotating plate 16 are reduced, the fixed sleeve 12 is rotated to be right above the measuring plate 7 through the rotating plate 16, then the fixed sleeve 12 is radially moved to the center of the measuring plate 7 through the telescopic mechanism, the three supporting pipes 2 are fixed through the driving mechanism, then the first rotating sleeve 21 at the lower end of the three supporting pipes 2 is rotated, the length of the first screw rod 3 extending out of the first rotating sleeve 21 is changed, whether the rotating plate 16 is in a horizontal state or not is observed according to the bubble level meter 13, when the rotating plate 16 is in the horizontal state, the tower ruler 9 is vertically placed on the rotating plate, the elevation of the measuring plate 7 is calculated according to the reading of the level gauge 81 and the length of the fixed sleeve 12, so that the operation is simple and the accuracy is high.
Specifically, the fixing mechanism includes the column 17, and the ring-shaped electromagnet 171.
The upright posts 17 are vertically and fixedly arranged on the upper side surface of the platform plate 1.
When the fixed sleeve 12 is rotated above the measuring plate 7 by the rotating plate 16, the controller 14 activates the annular electromagnet 171 to generate magnetism in the annular electromagnet 171 and generate attraction with the rotating plate 16, so that the annular electromagnet 171 moves upward along the column 17 until the rubber ring 172 contacts the rotating plate 16 to fix the rotating plate 16, and the operation is simple.
Specifically, the telescopic mechanism includes an extension sleeve 111, an extension rod 11, and a first thumb bolt 113.
The extension sleeve 111 is horizontally fixed at the side of the rotating plate 16 along the radial direction.
The extension rod 11 is slidably disposed in the extension sleeve 111, and one end of the extension rod 11 away from the rotating plate 16 is fixedly connected with the fixed sleeve 12.
Preferably, the extension rod 11 and the extension sleeve 111 are rectangular in cross section.
A first threaded hole 112 is formed in the outer side of the extension sleeve 111, which is far away from the rotating plate 16, the first butterfly bolt 113 is in threaded connection with the first threaded hole 112, and the first butterfly bolt 113 can be fixed with the extension rod 11.
When the fixed sleeve 12 is a certain distance away from the metering plate 7, in order to avoid moving the rotating plate 16 again, the first butterfly bolt 113 may be rotated, so that the extension rod 11 moves outwards along the extension sleeve 111, and after the fixed sleeve 12 reaches the middle position of the metering tube 7, the first butterfly bolt 113 is rotated to fix the extension rod 11, which is simple in structure and convenient to adjust.
Specifically, the limiting structure includes a sliding block 31 and a sliding groove 22.
The slide block 31 is fixedly arranged at the upper end of the first screw rod 3.
The utility model discloses a screw rod support device, including support tube 2, spout 22, slider 31, slide 22, slide 31 is seted up on the inside wall of support tube 2, the length direction of spout 22 is unanimous with the length direction of support tube 2, slider 31 slides and sets up in spout 22, preferably, slider 31 has two, two slider 31 symmetry sets up the both sides in first screw rod 3 upper end, spout 22 has two, two spout 22 symmetry is seted up on the inside wall of support tube 2, two slider 31 and two spout 22 one-to-one, slider 31 slides and sets up on spout 22.
When the first rotating sleeve 21 is rotated, the first screw rod 3 can rotate along with the first rotating sleeve, and the sliding block 31 on the first screw rod 3 is limited by the sliding groove 22, so that the first screw rod 3 can only slide along the length direction of the sliding groove 22, and the structure is simple.
Specifically, the drive mechanism includes the second screw 5, the internally threaded sleeve 52, the second rotating sleeve 53, and the three links 24.
The second screw rod 5 is coaxially and fixedly arranged on the lower side surface of the platform plate 1, the lower end of the second screw rod 5 is fixedly provided with a fixing plate 51, and the size of the fixing plate 51 is larger than that of the cross section of the second screw rod 5.
The internal thread sleeve 52 is in threaded connection with the second screw 5, and two rotating rods 521 are respectively arranged on two opposite sides of the lower end of the internal thread sleeve 52.
The second rotating sleeve 53 is rotatably disposed outside the internally threaded sleeve 52.
Three connecting rods 24 correspond to three support pipes 2 one by one, one end of each connecting rod 24 is hinged to the outer side of the corresponding second rotating sleeve 53 through a first hinge shaft 241, the other end of each connecting rod 24 is hinged to the corresponding support pipe 2 through a second hinge shaft 242, and in an initial state, the first hinge shaft 241 is located below the second hinge shaft 242.
When the three support pipes 2 need to be opened outwards, the internal thread sleeve 52 is rotated upwards to drive the second rotating sleeve 53 to move upwards, the support pipes 2 are pushed to rotate outwards along the radial direction through the connecting rod 24, and when the internal thread sleeve 52 stops rotating, the three support pipes 2 are fixed at the current position at the same time, so that the platform plate 1 and the rotating plate 16 are kept in a horizontal state, and the measurement accuracy is improved.
Specifically, a cylindrical ruler 121 is inserted into the fixing sleeve 12, the length of the cylindrical ruler 121 is greater than that of the fixing sleeve 12, an internal threaded hole 122 is formed in the side wall of the fixing sleeve 12, and a second butterfly bolt 123 is connected to the side wall of the fixing sleeve 12 through the internal threaded hole 122 in an internal thread manner.
In an initial state, the lower end of the fixed sleeve 12 contacts the measuring plate, after the horizontal state of the platform plate 1 is adjusted, a certain gap may exist between the lower end of the fixed sleeve 12 and the measuring plate 7, in order to avoid adjusting the platform plate 1 again, the second butterfly bolt 123 can be rotated outwards, the cylindrical ruler 121 slides downwards to contact the measuring plate 7, then the second butterfly bolt 123 is rotated towards the fixed sleeve 12, the cylindrical ruler 121 is fixed, a numerical value is read from the junction of the cylindrical ruler 121 and the upper end of the fixed sleeve 12, the length of the original fixed sleeve 12 is replaced by the numerical value, the number of times of adjusting the platform plate 1 is reduced, and time and labor are saved.
Specifically, the rubber sheet 4 is provided with an electromagnet 41 therein, and the electromagnet 41 is electrically connected to the battery 15 through the controller 14.
Because tank bottoms 8 surface unevenness, when rubber slab 4 contact tank bottoms, through controller 14 start-up electro-magnet 41, make and produce the appeal between electro-magnet 41 and the tank bottoms 8, prevent that rubber slab 4 and tank bottoms 8 from taking place the skew, lead to measuring device to take place to empty safe and reliable.
Specifically, a rubber layer is provided on the outer side of the first rotating sleeve 21.
When the first rotating sleeve 21 needs to be rotated, the rubber layer is held by hands, so that the friction force between the hands and the first rotating sleeve 21 is increased, the first rotating sleeve 21 is easier to rotate, and the comfort of the palm can be improved.
A method of using a measuring device for measuring a datum point of a vertical metal can, comprising the steps of:
s1, conveying the measuring device to the position near the measuring plate 7, then upwards rotating the internal thread sleeve 52 according to the height of the measuring plate 7, driving the second rotating sleeve 53 to upwards move, and lifting the rotating plate 16 to be equal to the height of the measuring plate 7;
s2, rotating the rotating plate 16 to enable the fixed sleeve 12 to be located above the metering plate 7, then adjusting the first rotating sleeves 21 on the three supporting tubes 2, respectively changing the lengths of the three first screws 3 extending out of the first rotating sleeves 21, and adjusting the rotating plate 16 to be in a horizontal state according to the bubble level meter 13;
s3, rotating the rotating plate 16 and the extension rod 11 to enable the fixing sleeve 12 to move to the center position of the metering plate 7, then starting the storage battery 15 through the controller 14 to enable the annular electromagnet 171 and the rotating plate 16 to generate attraction force, enabling the annular electromagnet 171 to move upwards along the upright post 17 to be in contact with the lower side face of the rotating plate 16 to limit the rotating plate 16 to rotate, and then rotating the first butterfly bolt 113 to fix the extension rod 11 at the current position;
s4, if a gap exists between the lower end of the fixed sleeve 12 and the measuring plate 7, sliding the cylindrical ruler 121 downwards to enable the lower end of the cylindrical ruler 12 to contact the measuring plate 7, then rotating the second butterfly bolt 123 to fix the cylindrical ruler 121, and reading the numerical value of the junction of the upper end of the fixed sleeve 12 and the cylindrical ruler 121;
s5, placing the level 81 near the center of the tank bottom 8, vertically placing the sliding staff 9 on the rotating plate 16, reading the value of the sliding staff 9 by the level 81 and adding the value read on the cylindrical staff 121 to calculate the height of the measuring plate 7.
Because tank bottoms 8 is uneven, the fixed position of spirit level 81 is needed to measure the tank bottoms, the lower metering datum point is located in the middle of metering plate 7, the elevation of the lower metering datum point cannot be directly measured through a sliding staff 9, the sliding staff 9 can only be placed around the metering plate 7 for measurement, the measurement is needed for multiple times, the average value is calculated, and the error is large. Through the measuring device, the sliding staff 9 can be placed on the rotating plate 16, the elevation of the lower measuring datum point is calculated through the numerical value read by the level gauge 81 and the numerical value at the junction of the cylindrical ruler 121 and the upper end of the fixed sleeve 12, the operation is simple, and the accuracy is high; through the measuring device, the rotating plate 16 and the fixed sleeve 12 can be adjusted horizontally for different vertical metal cans, and the application range is wide.
In the description of this patent, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the patent.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A measuring device for measuring a datum point of a vertical metal can, comprising: the bubble level gauge comprises a platform plate (1), wherein the platform plate (1) is circular, a rotating plate (16) is coaxially and rotatably arranged on the upper side surface of the platform plate (1), and a bubble level gauge (13) is coaxially embedded on the upper side surface of the rotating plate (16);
the fixing mechanism is arranged on the platform plate (1), and when the rotating plate (16) rotates, the fixing mechanism can fix the rotating plate (16) at any position;
the fixed sleeve (12) is vertically arranged on the side edge of the rotating plate (16) through a telescopic mechanism, the upper end edge of the fixed sleeve (12) is flush with the upper side face of the rotating plate (16), and the telescopic mechanism can enable the fixed sleeve (12) to horizontally move along the radial direction of the rotating plate (16);
three supporting mechanism, three the supporting mechanism sets up on the downside of landing slab (1) along circumference interval is even, the supporting mechanism has: the upper end of the supporting pipe (2) is hinged to the lower side face of the platform plate (1), the supporting pipe (2) can only rotate along the radial direction of the platform plate (1), and the lower end of the supporting pipe (2) is coaxially and rotatably provided with a first rotating sleeve (21); the first screw (3) is in threaded connection with the inside of the first rotating sleeve (21), the upper end of the first screw (3) extends into the supporting tube (2), and the lower end of the first screw (3) is hinged with a rubber plate (4); the limiting structure is arranged on the first screw (3) and can limit the first screw (3) to rotate when the first rotating sleeve (21) rotates;
a drive mechanism arranged on the lower side of the platform plate (1), the drive mechanism being capable of rotating the three support tubes (2) simultaneously in the radial direction and fixing the three support tubes (2).
2. A measuring device for measuring the datum point of a vertical metal can according to claim 1, characterized in that said fixing means comprise:
the upright posts (17), the upright posts (17) are vertically and fixedly arranged on the upper side surface of the platform plate (1);
annular electromagnet (171), annular electromagnet (171) cover is established on stand (17), the side of going up of annular electromagnet (171) is equipped with rubber circle (172), controller (14) and battery (15) are equipped with to the downside of landing slab (1), annular electromagnet (171) is connected through controller (14) and battery (15) electricity, rotor plate (16) are made by ferromagnetic material.
3. A measuring device for measuring the datum point of a vertical metal can according to claim 2, characterized in that said telescopic mechanism comprises:
the extension sleeve (111) is horizontally and fixedly arranged on the side edge of the rotating plate (16) along the radial direction;
the extension rod (11) is arranged in the extension sleeve (111) in a sliding mode, and one end, far away from the rotating plate (16), of the extension rod (11) is fixedly connected with the fixed sleeve (12);
the extension sleeve (111) is provided with a first threaded hole (112) on the outer side away from the rotating plate (16), the first butterfly bolt (113) is in threaded connection with the first threaded hole (112), and the extension rod (11) can be fixed by the first butterfly bolt (113).
4. A measuring device for measuring the datum point of a vertical metal can according to claim 3, wherein said stop structure comprises:
the sliding block (31), the sliding block (31) is fixedly arranged at the upper end of the first screw rod (3);
the sliding groove (22), the sliding groove (22) is arranged on the inner side wall of the supporting pipe (2), the length direction of the sliding groove (22) is consistent with that of the supporting pipe (2), and the sliding block (31) is arranged in the sliding groove (22) in a sliding mode.
5. A measuring device for measuring the datum point of an upright metal can according to claim 4, wherein said drive mechanism comprises:
the second screw rod (5) is coaxially and fixedly arranged on the lower side surface of the platform plate (1), and a fixing plate (51) is fixedly arranged at the lower end of the second screw rod (5);
the internal thread sleeve (52), the said internal thread sleeve (52) is screwed on the second threaded spindle (5);
the second rotating sleeve (53), the second rotating sleeve (53) is rotatably arranged on the outer side of the internal thread sleeve (52);
the three connecting rods (24) are in one-to-one correspondence with the three supporting pipes (2), one end of each connecting rod (24) is hinged to the outer side of the corresponding second rotating sleeve (53) through a first hinge shaft (241), and the other end of each connecting rod (24) is hinged to the corresponding supporting pipe (2) through a second hinge shaft (242).
6. The measuring device for measuring the datum point of the vertical metal can as claimed in claim 5, characterized in that a cylindrical ruler (121) is inserted into the fixing sleeve (12), the length of the cylindrical ruler (121) is greater than that of the fixing sleeve (12), a second threaded hole (122) is formed in the side wall of the fixing sleeve (12), and a second butterfly bolt (123) is connected to the second threaded hole (122) in a threaded manner.
7. A measuring device for measuring the reference point of an upright metal can according to claim 6, characterized in that the rubber sheet (4) houses an electromagnet (41), the electromagnet (41) being electrically connected to the accumulator (15) through a controller (14).
8. A measuring device for measuring the reference point of a vertical metal can according to claim 7, characterized in that the outside of the first rotating sleeve (21) is provided with a rubber layer.
9. Use of a measuring device for measuring the reference point of a vertical metal can, characterized in that it comprises the following steps:
s1, conveying the measuring device to the position near the measuring plate (7), then upwards rotating the internal thread sleeve (52) according to the height of the measuring plate (7), driving the second rotating sleeve (53) to upwards move, and lifting the rotating plate (16) to be equal to the height of the measuring plate (7);
s2, rotating the rotating plate (16) to enable the fixed sleeve (12) to be located above the metering plate (7), then adjusting the first rotating sleeves (21) on the three supporting pipes (2), respectively changing the lengths of the three first screws (3) extending out of the first rotating sleeves (21), and adjusting the rotating plate (16) to be in a horizontal state according to the bubble level meter (13);
s3, rotating the rotating plate (16) and the extension rod (11), moving the fixing sleeve (12) to the center position of the metering plate (7), starting the storage battery (15) through the controller (14), enabling the annular electromagnet (171) and the rotating plate (16) to generate attraction force, enabling the annular electromagnet (171) to move upwards along the upright post (17) to be in contact with the lower side surface of the rotating plate (16), limiting the rotating plate (16) to rotate, and then rotating the first butterfly bolt (113) to fix the extension rod (11) at the current position;
s4, if a gap exists between the lower end of the fixed sleeve (12) and the measuring plate (7), sliding the cylindrical ruler (121) downwards to enable the lower end of the cylindrical ruler (12) to contact the measuring plate (7), then rotating the second butterfly bolt (123), fixing the cylindrical ruler (121), and reading the numerical value of the junction of the upper end of the fixed sleeve (12) and the cylindrical ruler (121);
s5, placing the level gauge (81) near the center of the tank bottom (8), vertically placing the sliding staff (9) on the rotating plate (16), reading the value of the sliding staff (9) by the level gauge (81) and adding the value read on the cylindrical ruler (121) to calculate the elevation of the measuring plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984729.2A CN111964557A (en) | 2020-09-18 | 2020-09-18 | Measuring device for measuring reference point of vertical metal can and using method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010984729.2A CN111964557A (en) | 2020-09-18 | 2020-09-18 | Measuring device for measuring reference point of vertical metal can and using method |
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| CN111964557A true CN111964557A (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010984729.2A Pending CN111964557A (en) | 2020-09-18 | 2020-09-18 | Measuring device for measuring reference point of vertical metal can and using method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113884057A (en) * | 2021-10-22 | 2022-01-04 | 上海星火测绘有限公司 | Level gauge |
| CN114018227A (en) * | 2021-10-29 | 2022-02-08 | 山东中实勘察测绘有限公司 | Prism rod device of RTK measuring instrument |
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