CN107796347B - Method for correcting cushion block for supporting asphalt tank and measuring tool - Google Patents
Method for correcting cushion block for supporting asphalt tank and measuring tool Download PDFInfo
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- CN107796347B CN107796347B CN201711041947.7A CN201711041947A CN107796347B CN 107796347 B CN107796347 B CN 107796347B CN 201711041947 A CN201711041947 A CN 201711041947A CN 107796347 B CN107796347 B CN 107796347B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000005259 measurement Methods 0.000 claims abstract description 42
- 238000003801 milling Methods 0.000 claims abstract description 7
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 16
- 238000012937 correction Methods 0.000 description 12
- 230000033001 locomotion Effects 0.000 description 10
- 102100040428 Chitobiosyldiphosphodolichol beta-mannosyltransferase Human genes 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 238000007405 data analysis Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
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Abstract
The invention provides a method for correcting a cushion block for supporting an asphalt tank, which comprises the following steps: at least one position is selected as a measuring point on the positions of the four vertex angles of the first surface of the cushion block for marking; placing the cushion block at the bottom of the asphalt tank, and keeping the distance between the cushion block and the bottom plate of the asphalt tank to be a basic value H1; respectively placing measurement tools at the positions of all the measurement points, and obtaining the vertical distance H2 between the cushion block at each measurement point and the bottom plate of the asphalt tank according to the measurement tools; subtracting the basic value H1 from the measured vertical distance H2 to obtain the thickness H of the corresponding position on the cushion block to be processed; milling four top corners of the cushion block according to the thickness H, and performing quality inspection on the milled cushion block. The method can rapidly finish the test of the cushion block for supporting the asphalt tank, improve the labor efficiency of workers, shorten the shipbuilding period, improve the technical level of asphalt ship construction, reduce the rejection rate of the cushion block, reduce the cost loss and create economic benefits.
Description
Technical Field
The invention relates to a method and a measuring tool for correcting a cushion block for supporting an asphalt tank.
Background
The whole asphalt tank of asphalt ship is in suspended state, totally depends on the weight of the whole tank body of several supporting pads in the surrounding frame, and the medium of asphalt tank inside transportation, the temperature is higher, and the own weight of the tank body is heavy, and the contact quantity and the area of supporting pads directly influence the atress situation of the thermal-insulated supporting pad of bottom "ULEPSI" polymer, how to guarantee to improve the contact quantity and the holistic area of contact of supporting pads and show the vital importance.
After the asphalt tank is lifted into the cabin, the original technology is to measure the number by manufacturing an inside micrometer or a vernier caliper, and then calculate the processing thickness of the support gasket, and after the support cushion block is installed, check whether the installation height of the support cushion block meets the process requirement or not by manufacturing a check rod for light transmission. The disadvantages of this technique are mainly: the number of the support cushion blocks is low in accuracy, the measured data amount is large, part of the positions are dead angle positions, the measuring tool cannot accurately measure the data, the speed of measuring the data is low, the efficiency is low, and the reworking amount is large; after the supporting cushion block is installed, the clearance height between the supporting cushion block and the bottom of the tank body can not be obtained through checking the light transmission of the rod, so that the effective data record analysis can not be clearly and clearly judged whether the checking is qualified, and the effective data analysis can not be improved for the later improvement of the project.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a method for correcting a cushion block for supporting an asphalt tank, which can rapidly finish the test of the cushion block for supporting the asphalt tank, improve the labor efficiency of workers, shorten the shipbuilding period, improve the technical level of asphalt ship construction, reduce the rejection rate of the cushion block, reduce the cost loss and create economic benefits.
Accordingly, in order to solve the above technical problems, another object of the present invention is to provide a measuring tool for the correction process of the cushion block, which has a very simple structure, a fast measuring and checking speed, a simple use, a low input cost and a high accuracy of measured data.
Based on this, the invention proposes a method for correcting a mat for supporting an asphalt tank, comprising the steps of:
(S1) selecting at least one position as a measuring point on the positions of four vertex angles of the first surface of the cushion block for marking;
(S2) placing the mat on the bottom of the asphalt tank, and maintaining a distance between the first surface of the mat and the floor of the asphalt tank at a basic value H1;
(S3) respectively placing measurement tools at the positions of the measurement points, and obtaining a vertical distance H2 between the first surface of the cushion block at each measurement point and the bottom plate of the asphalt tank according to the measurement tools;
(S4) subtracting the basic value H1 from the vertical distance H2 measured at each measuring point to obtain the thickness H required to be processed at the four vertex angles of the cushion block, and recording;
(S5) milling four vertex angles of the first surface of the cushion block according to the obtained thickness H;
(S6) reinstalling the milled mat to the bottom of the asphalt tank and inspecting the mat.
Optionally, the step (S3) includes the steps of:
(S31) compressing the measuring tool to a height less than H1 and then placing the tool at a measuring point of the spacer so that the tool is positioned between the first surface of the spacer and the bottom plate of the asphalt tank;
(S32) after the measuring tool upwards bounces to prop up the bottom plate of the asphalt tank according to the self elasticity, fixing the height of the measuring tool, wherein the height is the vertical distance H2;
(S33) taking out the measuring tool and measuring the height of the measuring tool.
Further, when quality inspection is performed on the cushion block, the vertical distance between the first surface of the cushion block and the bottom plate of the asphalt tank is redetermined through the measuring tool, and is compared with the basic value H1.
Optionally, the redefined vertical distance between the first surface of the spacer and the floor of the asphalt tank needs to be maintained within a range of h1±1 mm.
Optionally, the first surface of the pad is an unprocessed surface.
Further, the basic value H1 needs to ensure that the minimum thickness of the pad after the machining is completed is greater than 15mm.
In order to achieve the above object, the invention further provides a measurement tool for the cushion correction process, which comprises a fixed support, an elastic piece arranged in the fixed support, a connecting piece inserted on the fixed support and a positioning piece for fixing the connecting piece, wherein the connecting piece is connected with the elastic piece and is arranged in the same direction, the connecting piece can move in a telescopic manner relative to the fixed support, and the positioning piece is arranged on the side wall of the fixed support in a penetrating manner.
Optionally, the fixing support is provided with a through hole corresponding to the connecting piece and a connecting through hole corresponding to the positioning piece, the connecting piece is inserted in the through hole, the positioning piece is arranged in the connecting through hole and can move in a telescopic manner, and the positioning piece is vertically arranged with the connecting piece.
Optionally, the inside sleeve that is equipped with of fixed bolster, the sleeve cover is located the connecting piece and with fixed bolster slidable ground is connected, telescopic internal diameter is greater than the diameter of through-hole, connect the through-hole with telescopic lateral wall relative arrangement, be equipped with the recess on the outer wall of connecting piece, telescopic inner wall be equipped with recess matched with convex part.
Further, the elastic piece is installed in the sleeve, and the sleeve and the through hole are coaxially arranged.
The embodiment of the invention has the following beneficial effects:
the method of the present invention for correcting a mat for supporting an asphalt tank comprises the steps of: at least one position of four vertex angles of the first surface of the cushion block is selected to be used as a measuring point for marking, an asphalt tank of the asphalt ship is in a suspension state when being installed, the cushion block is completely relied on for supporting, the weight of the asphalt tank is heavy, so that the contact quantity and the contact area of the cushion block and the asphalt tank have great influence on the stress condition of a supporting layer at the bottom of the cushion block, and the positions of the four vertex angles of the cushion block are selected to be used as measuring points so as to facilitate later correction, so that the cushion block can be fully contacted with the asphalt tank, the contact area of the cushion block and the asphalt tank is effectively increased, and the stress uniformity of the supporting layer at the bottom of the cushion block is ensured; placing the cushion block at the bottom of the asphalt tank, and keeping a basic value H1 of the distance between the first surface of the cushion block and the bottom plate of the asphalt tank, wherein the basic value H1 is the distance between each point on the cushion block and the bottom plate of the asphalt tank, so that the bottom plate of the asphalt tank and the first surface of the cushion block can be fully contacted at the later stage, and the maximum contact area between the bottom plate of the asphalt tank and the first surface of the cushion block is ensured; respectively placing measurement tools at the positions of the measurement points, obtaining vertical distances H2 between the first surface of the cushion block at the measurement points and the bottom plate of the asphalt tank according to the measurement tools, accurately obtaining actual vertical distances between the measurement points on the first surface of the cushion block and the bottom of the asphalt tank according to the measurement tools, wherein the vertical distances H2 measured at the measurement points are different due to errors of the first surface of the cushion block, and obtaining the thickness required to be processed at the positions on the cushion block according to the measured vertical distances H2; subtracting the basic value H1 from the vertical distance H2 measured at each measuring point to obtain the thickness H required to be processed at the four vertex angles of the cushion block, recording, and respectively milling the four vertex angles of the first surface of the cushion block according to the obtained thickness H so as to ensure a large contact area between the cushion block and the bottom plate of the asphalt tank; reinstalling the milled cushion block to the bottom of the asphalt tank, performing quality inspection on the cushion block after reinstalling the cushion block with the corrected and determined thickness, comparing the vertical distance between each part of the cushion block and the bottom plate of the asphalt tank with a basic value, and ensuring the correction qualification of the cushion block; the whole correction process of the cushion block is very simple, the report on the cushion block can be completed quickly, the labor efficiency of workers in the working process of correcting the cushion block is improved, the shipbuilding period is effectively shortened, the technical level of asphalt ship construction in practical application is improved, the rejection rate of the cushion block can be reduced, the cost loss is reduced, and the economic benefit is created.
Further, when the measuring tool is used for measuring the vertical distance between the first surface of the cushion block and the bottom plate of the asphalt tank, the measuring tool comprises the following steps: compressing the measuring tool to a height less than H1, and then placing the measuring tool at a measuring point of the cushion block so that the measuring tool is positioned between the first surface of the cushion block and the bottom plate of the asphalt tank; when the measuring tool upwards bounces to prop up the bottom plate of the asphalt tank according to the self elasticity, fixing the height of the measuring tool, wherein the height is the vertical distance H2; taking out the measuring tool and measuring the height of the measuring tool, wherein the measuring tool can be directly placed between the cushion block and the asphalt tank, and the vertical distance between the cushion block and the asphalt tank can be accurately detected, so that the phenomenon that the measuring tool cannot accurately measure data at dead angle positions is avoided, the speed and the accuracy of data measurement are improved, the efficiency is high, and the use is convenient; when the quality inspection is carried out on the cushion block, the vertical distance between the first surface of the cushion block and the bottom plate of the asphalt tank is redetermined through the measuring tool, whether the vertical distance is kept within the range of H1+/-1 mm or not is determined, the cushion block is qualified in the range, the inspection process is simple and clear, the installation state of the asphalt tank can be judged, and effective data analysis can be provided for improvement of cushion block correction in the later period; the first surface of the cushion block is an unprocessed surface, the thickness H which is required to be processed according to measurement is required to be processed sequentially corresponding to each measuring point, the processed cushion block is marked, and each measuring point on the processed cushion block is rechecked, so that the accuracy of the cushion block is ensured.
Further, a measurement frock for in-process is corrected to cushion includes the fixed bolster, set up in the inside elastic component of fixed bolster, insert and locate connecting piece on the fixed bolster and be used for making connecting piece fixed position's setting element, the connecting piece with the elastic component is connected and is the syntropy and arranges, just the connecting piece can for fixed bolster concertina movement, the setting element wears to locate on the lateral wall of fixed bolster, the connecting piece takes place the compression under the exogenic action to the inside motion of fixed bolster, and the elastic component then can be for the reply of connecting piece provides power, when using this measurement frock to detect the distance between cushion and the bottom plate of pitch jar, compress the connecting piece earlier for measuring the overall height of frock is less than basic value H1, adopts in this position the setting element will the connecting piece locks, avoids it to receive the elastic component's elasticity and normal position, place the measuring instrument that compresses well place measuring point department on the first surface of cushion, slowly opens the setting element under the exogenic action to take place the compression to the elastic component to take out the measuring instrument when the distance between the bottom plate is used to take place the measuring instrument and the high position H is used for measuring the measuring instrument to take place the high position of the measuring tank and the position of the measuring tool is used for measuring the high position H2, and the measuring instrument is used for measuring the high position when the measuring position of the bottom plate is used down. The whole device has the advantages of simple structure, convenient use, high speed in measuring and reporting the cushion block by using the device, low input cost and high accuracy of measured data. The fixing support is provided with a through hole corresponding to the connecting hole and a connecting through hole corresponding to the positioning piece, the connecting piece is inserted into the through hole, the connecting piece can perform telescopic movement in the through hole, flexibility of self movement is guaranteed, the fixing support is more convenient to use, the positioning piece is arranged in the connecting through hole and can perform telescopic movement, the positioning piece is vertically arranged with the connecting piece, the telescopic movement of the positioning piece can effectively control the state of the connecting piece, and the positioning piece and the connecting piece are mutually matched to finish the distance measurement work between the cushion block and the bottom plate of the asphalt tank; the inside sleeve that is equipped with of fixed bolster, the sleeve cover is located the connecting piece and with fixed bolster slidable ground is connected, telescopic internal diameter is greater than the diameter of through-hole, connect the through-hole with telescopic lateral wall relative arrangement, be equipped with the recess on the outer wall of connecting piece, telescopic inner wall be equipped with recess matched with convex part each other. When the positioning piece starts to move in the connecting through hole under the action of external force, the positioning piece gradually stretches out of the fixed support until the positioning piece is propped against the outer wall of the sleeve, the sleeve can be pushed to slide after the positioning piece continuously stretches out, so that the convex part of the inner wall of the sleeve is clamped with the groove on the outer wall of the connecting piece, and the connecting piece is locked and cannot move at the moment, so that the stretching height of the connecting piece can be effectively ensured, the integral height of the measuring tool is determined, and the measuring tool is convenient for staff to measure; when the connecting piece is required to move, the positioning piece is pulled out outwards, the sleeve loses the external force self-return applied by the positioning piece, the locking of the connecting piece is released, the continuous use of the measuring tool is convenient, the operation of the whole process is simple, the principle is reliable, and the use is very convenient.
Drawings
Fig. 1 is a schematic structural diagram of a measurement tool according to the embodiment;
FIG. 2 is a schematic view showing the selection distribution of the measurement points during the correction of the pad according to the present embodiment;
FIG. 3 is a schematic diagram showing the relative positions of the asphalt tank and the pad according to the embodiment.
Reference numerals illustrate:
1. cushion block 11, measuring point 2, asphalt tank 21, bottom plate 3, measuring tool 31, fixed support 32, elastic piece 33, connecting piece 34, locating piece 35, sleeve 351, first section 352, second section.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 3, the method of correcting a mat for supporting an asphalt tank according to the present preferred embodiment includes the steps of:
(S1) selecting at least one position as a measuring point 11 on the positions of four vertex angles of the first surface of the cushion block 1 respectively for marking;
(S2) placing the mat 1 at the bottom of the asphalt tank, and maintaining a distance between the first surface of the mat 1 and the bottom plate 21 of the asphalt tank 2 at a basic value H1;
(S3) placing measurement tools at the positions of the measurement points 11 respectively, and obtaining a vertical distance H2 between the first surface of the cushion block 1 at each measurement point 11 and the bottom plate 21 of the asphalt tank according to the measurement tools 3;
(S4) subtracting the basic value H1 from the vertical distance H2 measured at each measuring point 11 to obtain the thickness H required to be processed at the four vertex angles of the cushion block 1 and recording;
(S5) milling four vertex angles of the first surface of the cushion block 1 according to the obtained thickness H;
(S6) reinstalling the milled mat 1 to the bottom of the asphalt tank 2 and performing quality inspection of the mat 1.
Based on the above steps, when the cushion block 1 for supporting the asphalt tank 2 is corrected, the first surface of the cushion block 1 is precisely processed, so that the distances between each point on the cushion block 1 and the bottom plate 21 of the asphalt tank 2 are kept consistent, the contact area between the bottom plate 21 of the asphalt tank 2 and the cushion block 1 can be conveniently increased, the stress condition of the cushion block 1 is ensured, and the service life of the cushion block 1 is prolonged; firstly, a basic value H1 of a vertical distance between a cushion block 1 and an asphalt tank 2 is determined, the basic value H1 needs to ensure that the minimum thickness of the cushion block 1 after processing is larger than 15mm, the cushion block 1 is convenient to use in actual engineering in later period, before the cushion block 1 is corrected, the contact states of each point on the cushion block 1 and a bottom plate 21 of the asphalt tank 2 are different, at the moment, a measuring tool 3 is placed between the cushion block 1 and the asphalt tank 2, a vertical distance H2 between each measuring point 11 on the cushion block 1 and the bottom plate 21 of the asphalt tank 2 is obtained through the measuring tool 3, a certain error exists between the vertical distance H2 and the basic value H1, the thickness H required to be processed is obtained by subtracting the basic value H1 from the vertical distance H2, after the thickness H required to be processed at each measuring point 11 is recorded one by one, the vertical distance H required to be processed is consistent with the vertical distance between each top angle on the cushion block 1 and the bottom plate 21 of the asphalt tank 2 after the thickness H required to be processed is milled, at the moment, the vertical distance between the cushion block 1 and the bottom plate 11 and the bottom plate 21 of the asphalt tank 2 is guaranteed to be uniform, and the stressed area of the asphalt can be produced, and the stressed area of the asphalt can be guaranteed, and the largest stressed area can be produced, and the stressed on the ship can be produced. After milling the cushion block 1 according to the thickness H required to be processed, the quality of the processed cushion block 1 is required to be detected, after the cushion block 1 is installed again, the distance between the cushion block 1 and the bottom plate 21 of the asphalt tank 2 is detected through a corresponding measuring device, whether the installation height of the cushion block 1 meets the process requirement is checked, and the checked data is recorded and can be used for analyzing and judging the installation state of the asphalt tank 2, so that reference data is provided for the improvement of the subsequent asphalt tank 2, and the technical level of building an asphalt ship is facilitated. The whole correction method of the cushion block 1 is very simple in process, can effectively provide the labor efficiency of workers, shortens the shipbuilding period, reduces the rejection rate of the cushion block 1, reduces the cost loss and creates economic benefits.
When the measuring tool 3 is used for measuring the vertical distance H2 between the measuring point 11 on the first surface of the cushion block 1 and the bottom plate 21 of the asphalt tank 2, the method specifically comprises the following steps:
(S31) compressing the measuring tool 3 to a height less than H1 and then placing it at the measuring point 11 of the mat 1 so that it is located between the first surface of the mat 1 and the bottom plate 21 of the asphalt tank 2;
(S32) fixing the height of the measuring tool 3, namely the vertical distance H2, after the measuring tool 3 is sprung up to prop up the bottom plate 21 of the asphalt tank 2 according to the self elasticity;
(S33) taking out the measuring tool 3 and measuring the height thereof.
The measuring tool 3 is provided with elasticity, can be compressed under the action of external force, can be naturally lifted under the state without force application, automatically and flexibly changes the height of the measuring tool, and can ensure the accuracy of measured data at very narrow positions in some spaces, so that the clearance height between the cushion block 1 and the bottom plate 21 of the asphalt tank 2 can be conveniently detected, and can be subjected to effective data recording analysis, so that a worker can conveniently know the thickness required to mill the cushion block 1, and the measuring tool is simple to use. Before correcting the cushion block 1, the first surface of the cushion block 1 is an unprocessed surface, the other five surfaces are processed according to the drawing requirement, and after the thickness required to process the cushion block 1 is calculated and obtained according to the data detected by the measuring tool 3, the first surface of the cushion block 1 is milled according to the requirement, so that the whole cushion block 1 is processed and corrected, and the cushion block 1 is convenient to put into use.
In addition, before the quality detection of the processed cushion block 1 is carried out, the cushion block 1 is required to be installed according to the related mark, and before the cushion block 1 is installed, the upper surface of a base for supporting the cushion block 1 is required to be cleaned, and no impurity particles exist, so that the quality detection process of the cushion block 1 is not influenced, and measurement errors are prevented; during quality inspection measurement, the vertical distance between the first surface of the cushion block 1 and the bottom plate 21 of the asphalt tank 2 needs to be redetermined through the measuring tool 3, and the measured data at each measuring point 11 is recorded, the method directly proves that the actual installation state of the asphalt tank 2 can be judged through the recorded data analysis, a large amount of reference data is provided for the installation improvement of the asphalt tank 2, the vertical distance between the cushion block 1 and the bottom plate 21 of the asphalt tank 2 can be quickly and accurately obtained through the measuring tool 3, and the vertical distance between the cushion block 1 and the bottom plate 21 of the asphalt tank 2 in the inspection process needs to be kept within the range of H1 +/-1 mm, so that the precision of the cushion block 1 can be ensured to be qualified, the cushion block 1 can be continuously put into use in the later stage, the rejection rate of the cushion block 1 can be greatly reduced, and the economic cost is effectively saved.
In order to implement the method for correcting the cushion block 1, the invention also provides a measuring tool 3 used in the correcting process, which comprises a fixed support 31, an elastic piece 32 arranged in the fixed support 31, a connecting piece 33 inserted on the fixed support 31 and a positioning piece 34 used for fixing the connecting piece 33, wherein the connecting piece 33 is connected with the elastic piece 32 and is arranged in the same direction, the connecting piece 33 can move in a telescopic way relative to the fixed support 31, and the positioning piece 34 is arranged on the side wall of the fixed support 31 in a penetrating way.
Based on the above structure, the connecting piece 33 of the measuring tool 3 is inserted on the fixed support 31, and the connecting piece 33 is inserted on the top of the fixed support 31 and can move up and down relative to the fixed support 31 by taking the placement of the measuring tool 3 during working as a reference direction, the elastic piece 32 installed in the fixed support 31 is connected with the connecting piece 33 extending into the fixed support 31 and provides the elastic force required by the connecting piece 33 during up and down movement, and the positioning piece 34 is penetrated on the side wall of the fixed support 31 and can fix the position of the connecting piece 33 during up and down movement; when the measuring tool 3 is used for detection work, the connecting piece is extruded by adopting external force, the connecting piece 33 is compressed downwards until the height of the whole measuring tool 3 is lower than a basic value H1 under the action of the elastic piece 32, then the connecting piece 33 is locked in the state by adopting the positioning piece 34, and the measuring tool 3 is placed on the measuring point 11 of the cushion block 1 so as to be positioned between the cushion block 1 and the bottom plate 21 of the asphalt tank 2; and then the locking state of the connecting piece 33 by the positioning piece 34 is released, the connecting piece 33 moves upwards and bounces under the action of the elastic force of the elastic piece 32 until the top of the connecting piece 33 is contacted with the bottom plate 21 of the asphalt tank 2, the measuring tool 3 is in a stable state, the positioning piece 34 is used for locking the connecting piece 33 at the position, the measuring tool 3 is taken out, and the height of the measuring tool 3 is accurately measured by adopting a vernier caliper or other measuring tools, so that the shortest distance between the first surface of the cushion block 1 and the bottom plate 21 of the asphalt tank 2 can be obtained. The whole structure of the measuring tool 3 is very simple, the working principle is reliable, the speed of using the measuring tool for measuring and quality testing the cushion block 1 is high, the accuracy is very high, the working efficiency of workers is greatly improved, and the shipbuilding period is shortened.
Wherein, be equipped with on the fixed bolster 31 with the corresponding through-hole of connecting piece 33 and with the corresponding connecting through-hole of setting element 34, connecting piece 33 inserts and establishes in the through-hole, setting element 34 set up in connecting the through-hole and can telescopic motion, just setting element 34 with connecting piece 33 arranges perpendicularly, and connecting the through-hole setting is on the lateral wall of fixed bolster 31, and setting element 34 accomplishes the location work to connecting piece 33 in the side of fixed bolster 31, and when measuring frock 3 is located less clearance, the side direction adjustment of setting element 34 is convenient for the operation more, can provide very big facility for staff's actual operation, and setting element 34 realizes the locking to connecting piece 33 through the telescopic motion in connecting the through-hole, easy and simple to handle. It should be noted that, in this embodiment, the positioning member 34 is preferably a screw, the connecting through hole is a threaded hole corresponding to the screw, and the extending amount of the connecting member 33 in the fixing support 31 is changed by rotating the screw, so that the connecting member 33 is very convenient to adjust, but in other embodiments, the type of the positioning member 34 is not limited by this embodiment, and when a suitable type can be selected according to actual needs.
In addition, a sleeve 35 is arranged in the fixed support 31, the sleeve 35 is sleeved on the connecting piece 33, the top of the sleeve 35 is slidably connected with the top of the fixed support 31, the inner diameter of the sleeve 35 is larger than the diameter of the through hole, a groove is formed in the outer wall of the connecting piece 33, a convex part which is matched with the groove is formed in the inner wall of the sleeve 35, the connecting through hole is opposite to the side wall of the sleeve 35, in an initial state, the connecting piece 33 passes through the connecting through hole and is positioned in the sleeve 35, the connecting piece 33 is not contacted with the sleeve 35 because the inner diameter of the sleeve 35 is larger than the diameter of the through hole, when the height of the connecting piece 33 is required to be fixed, a worker starts to screw the positioning piece 34 positioned in the connecting through hole, the positioning piece 34 gradually moves towards the inside of the fixed support 31 until the end part of the positioning piece 34 is contacted with the outer wall of the sleeve 35, the positioning piece 34 is continuously screwed, the sleeve 35 starts to slide towards one side under the pushing of the positioning piece 34 until the inner wall of the sleeve 35 is contacted with the outer wall of the connecting piece 33, when the sleeve 35 is contacted with the outer wall of the connecting piece 33, the convex part in the inner part of the sleeve 35 is blocked into the groove of the outer wall of the connecting piece 33, and the position of the connecting piece 33 is fixed in the groove on the outer wall when the inner wall of the sleeve 35 is contacted with the connecting piece 33, and the whole height is fixed, and the whole tool 3 is measured, so that is measured and is fixed 3 is fixed is measured; when the fixing state of the connecting piece 33 needs to be released, the worker slowly screws out the positioning piece 34 from the side surface, the positioning piece 34 is separated from the sleeve 35, the sleeve 35 automatically returns to the original position, the connecting piece 33 can continuously move freely up and down, and the operation is repeated in this way, so that the measurement of the vertical distance between the cushion block 1 and the bottom plate 21 of the asphalt tank 2 is completed. The top of sleeve 35 is connected with the top of fixed bolster 31, but the height of sleeve 35 is less than the whole height of fixed bolster 31, and elastic component 32 sets up in sleeve 35 inside, and the one end of elastic component 32 is connected in the bottom of sleeve 35, and the other end is connected with connecting piece 33, and elastic component 32 can be the spring, also can be other devices that possess elasticity, as long as can provide certain elastic force for the connecting piece can, preferably in this embodiment the spring, sleeve 35 from top to bottom includes first section 351 and second section 352, the convex part is located first section 351, and elastic component 32 is located second section 352, the internal diameter of first section 351 is less than the internal diameter of second section 352, and thicker internal diameter can guarantee the stationarity of sleeve 35, avoids setting element 34 to take place to rock when exerting the thrust to sleeve 35, guarantees the reliability that the device used, and the height of first section 351 is less than the height of second section 352, takes the processing of the sleeve 35 of small section to carry out the degree of difficulty of protruding portion, can realize with the card joint of connecting piece 33 can reduce the processing cost, can practice thrift the processing procedure. The method for measuring by adopting the measuring tool 3 can be suitable for some places with very small space, can ensure the accuracy of measured data and effectively reduce the operation difficulty of staff. It should be noted that, in this embodiment, the connecting piece 33 is a fixture bolt, and the inner wall of the sleeve 35 is provided with a thread matching with the fixture bolt, so that the fixture bolt is engaged with the inner wall of the sleeve 35, but the type of the connecting piece 33 is not limited by this embodiment, and a suitable type can be selected according to actual needs.
The method of the present invention for correcting a mat for supporting an asphalt tank comprises the steps of: at least one position of four vertex angles of the first surface of the cushion block is selected to be used as a measuring point for marking, an asphalt tank of the asphalt ship is in a suspension state when being installed, the cushion block is completely relied on for supporting, the weight of the asphalt tank is heavy, so that the contact quantity and the contact area of the cushion block and the asphalt tank have great influence on the stress condition of a supporting layer at the bottom of the cushion block, and the positions of the four vertex angles of the cushion block are selected to be used as measuring points so as to facilitate later correction, so that the cushion block can be fully contacted with the asphalt tank, the contact area of the cushion block and the asphalt tank is effectively increased, and the stress uniformity of the supporting layer at the bottom of the cushion block is ensured; placing the cushion block at the bottom of the asphalt tank, and keeping a basic value H1 of the distance between the first surface of the cushion block and the bottom plate of the asphalt tank, wherein the basic value H1 is the distance between each point on the cushion block and the bottom plate of the asphalt tank, so that the bottom plate of the asphalt tank and the first surface of the cushion block can be fully contacted at the later stage, and the maximum contact area between the bottom plate of the asphalt tank and the first surface of the cushion block is ensured; respectively placing measurement tools at the positions of the measurement points, obtaining vertical distances H2 between the first surface of the cushion block at the measurement points and the bottom plate of the asphalt tank according to the measurement tools, accurately obtaining actual vertical distances between the measurement points on the first surface of the cushion block and the bottom of the asphalt tank according to the measurement tools, wherein the vertical distances H2 measured at the measurement points are different due to errors of the first surface of the cushion block, and obtaining the thickness required to be processed at the positions on the cushion block according to the measured vertical distances H2; subtracting the basic value H1 from the vertical distance H2 measured at each measuring point to obtain the thickness H required to be processed at the four vertex angles of the cushion block, recording, and respectively milling the four vertex angles of the first surface of the cushion block according to the obtained thickness H so as to ensure a large contact area between the cushion block and the bottom plate of the asphalt tank; reinstalling the milled cushion block to the bottom of the asphalt tank, performing quality inspection on the cushion block after reinstalling the cushion block with the corrected and determined thickness, comparing the vertical distance between each part of the cushion block and the bottom plate of the asphalt tank with a basic value, and ensuring the correction qualification of the cushion block; the whole correction process of the cushion block is very simple, the report on the cushion block can be completed quickly, the labor efficiency of workers in the working process of correcting the cushion block is improved, the shipbuilding period is effectively shortened, the technical level of asphalt ship construction in practical application is improved, the rejection rate of the cushion block can be reduced, the cost loss is reduced, and the economic benefit is created. The invention also provides a measuring tool for the correction process of the cushion block, which has the advantages of simple structure, high measuring and checking speed, simple use, low input cost and high accuracy of measured data.
It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the invention.
While the foregoing is directed to the preferred embodiments of the present invention, it should be noted that modifications and variations could be made by those skilled in the art without departing from the principles of the present invention, and such modifications and variations are to be regarded as being within the scope of the invention.
Claims (9)
1. A method of correcting a mat for supporting an asphalt tank, comprising the steps of:
(S1) selecting at least one position as a measuring point on the positions of four vertex angles of the first surface of the cushion block for marking;
(S2) placing the mat on the bottom of the asphalt tank, and maintaining a distance between the first surface of the mat and the floor of the asphalt tank at a basic value H1;
(S3) respectively placing measurement tools at the positions of the measurement points, and obtaining a vertical distance H2 between the first surface of the cushion block at each measurement point and the bottom plate of the asphalt tank according to the measurement tools; the measuring tool comprises a fixed support, an elastic piece arranged in the fixed support, a connecting piece inserted on the fixed support and a positioning piece used for enabling the connecting piece to be at a fixed position, wherein the connecting piece is connected with the elastic piece and arranged in the same direction, the connecting piece can move in a telescopic manner relative to the fixed support, and the positioning piece is arranged on the side wall of the fixed support in a penetrating manner;
(S4) subtracting the basic value H1 from the vertical distance H2 measured at each measuring point to obtain the thickness H required to be processed at the four vertex angles of the cushion block, and recording;
(S5) milling four vertex angles of the first surface of the cushion block according to the obtained thickness H;
(S6) reinstalling the milled mat to the bottom of the asphalt tank and inspecting the mat.
2. The method of rectifying a mat for supporting an asphalt tank according to claim 1, wherein said (S3) comprises the steps of:
(S31) compressing the measuring tool to a height less than H1 and then placing the tool at a measuring point of the spacer so that the tool is positioned between the first surface of the spacer and the bottom plate of the asphalt tank;
(S32) after the measuring tool upwards bounces to prop up the bottom plate of the asphalt tank according to the self elasticity, fixing the height of the measuring tool, wherein the height is the vertical distance H2;
(S33) taking out the measuring tool and measuring the height of the measuring tool.
3. The method of claim 2, wherein the vertical distance between the first surface of the spacer and the floor of the asphalt tank is redetermined by the measurement tool and compared to the base value H1 when the spacer is inspected.
4. A method of rectifying a mat for supporting an asphalt tank according to claim 3, characterized in that the vertical distance between the redetermined first surface of the mat and the floor of the asphalt tank is required to be maintained within the range of h1±1 mm.
5. A method of rectifying a mat for supporting an asphalt tank according to claim 1 or 2, characterized in that the first surface of the mat is an unprocessed surface.
6. A method of rectifying a mat for supporting an asphalt tank according to claim 1 or 2, characterized in that said basic value H1 is required to ensure that the minimum thickness of said mat after completion of the processing is greater than 15mm.
7. The method for correcting a mat for supporting an asphalt tank according to claim 1, wherein the fixing support is provided with a through hole corresponding to the connecting member and a connecting through hole corresponding to the positioning member, the connecting member is inserted in the through hole, the positioning member is provided in the connecting through hole and can move in a telescopic manner, and the positioning member is arranged vertically to the connecting member.
8. The method of rectifying a mat for supporting an asphalt tank according to claim 7, wherein a sleeve is provided inside the fixing support, the sleeve is fitted over the connecting member and slidably connected to the fixing support, an inner diameter of the sleeve is larger than a diameter of the through hole, the connecting through hole is disposed opposite to a side wall of the sleeve, a groove is provided on an outer wall of the connecting member, and a protrusion is provided on an inner wall of the sleeve to be fitted with the groove.
9. The method of rectifying a mat for supporting an asphalt tank according to claim 8, wherein said elastic member is mounted inside said sleeve coaxially arranged with said through hole.
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| CN201711041947.7A CN107796347B (en) | 2017-10-30 | 2017-10-30 | Method for correcting cushion block for supporting asphalt tank and measuring tool |
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| CN109204691B (en) * | 2018-10-22 | 2019-09-10 | 中船澄西船舶修造有限公司 | A kind of miniature trolley examined for the adjustment cushion block installation of pitch cargo tank |
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