CN112325748B - Device and method for measuring clearance of guide post of sector section - Google Patents
Device and method for measuring clearance of guide post of sector section Download PDFInfo
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- CN112325748B CN112325748B CN202011546866.4A CN202011546866A CN112325748B CN 112325748 B CN112325748 B CN 112325748B CN 202011546866 A CN202011546866 A CN 202011546866A CN 112325748 B CN112325748 B CN 112325748B
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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
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The application discloses fan-shaped section guide post clearance measurement device and measurement method relates to conticaster clearance measurement technical field, and the problem of inconvenient measurement of the clearance of fan-shaped section guide post and inaccurate measured clearance value among the prior art is solved. The gap measuring device of the present invention includes: a fixed seat and a measuring cushion block; two ends of the fixed seat are provided with L-shaped first mounting surfaces, the first mounting surfaces are mounted on an upper frame, and a mounting groove is formed in the upper frame; the end face, which is positioned on the same side of the first mounting face, of the fixed seat is a second mounting face, and the measuring cushion block is mounted on the second mounting face and positioned in the mounting groove; the thickness of the measuring cushion block is the same as the depth of the mounting groove. By adopting the gap measuring device and the gap measuring method, the gap of the guide column of the sector section can be accurately measured.
Description
Technical Field
The application relates to the technical field of gap measurement of continuous casting machines, in particular to a device and a method for measuring the gap of a guide column of a sector section.
Background
In order to realize the soft reduction technology of the continuous casting machine, the roll gap of the sector section adopts a hydraulic control mode, the upper frame and the lower frame of the sector section are connected by 4 upright posts with lifting oil cylinders, the connection mode between the upright posts and the frames adopts a movable spherical bearing, and the centering between the front and the back as well as the left and the right of the upper frame and the lower frame of the sector section, namely the centering of an upper roll system and a lower roll system, is formed by guiding the upper frame and the lower frame which are respectively arranged on the sector section. In order to consider the requirements of lifting processes of the sector sections such as zero setting, soft pressing implementation and the like, the control of the guide gaps is fuzzy in the design process, and the sector sections form serious saw-tooth defects of roll gaps due to the self weight of the upper frame and various gaps after being mounted on the line. The control of the guide gap of the segment frame is therefore of particular importance, but since the frame of such a segment is relatively compact, it is not possible to measure this gap amount directly.
At present, only a frame mounting cover plate, a bolt and other parts can be detached, a measured surface is measured through a flat ruler, and finally a gap value is obtained through calculation.
Disclosure of Invention
The embodiment of the application provides a sector guide post gap measuring device and a measuring method, solves the problems that in the prior art, the gap of a sector guide post is inconvenient to measure and the measured gap value is inaccurate, and realizes accurate measurement of the gap of the sector guide post.
The embodiment of the invention provides a device for measuring the gap of a guide post of a sector section, which comprises: a fixed seat and a measuring cushion block;
two ends of the fixed seat are set to be L-shaped first mounting surfaces, the first mounting surfaces are mounted on an upper frame, and a mounting groove is formed in the upper frame;
the end face, which is positioned on the same side of the first mounting face, of the fixed seat is a second mounting face, and the measuring cushion block is mounted on the second mounting face and positioned in the mounting groove;
the thickness of the measuring cushion block is the same as the depth of the mounting groove.
Furthermore, the end face of the measuring cushion block, which is far away from one end of the fixed seat, is a contact end face, and the parallelism between the contact end face and the second mounting face is 0.05 mm.
Furthermore, the end face of the fixed seat, which is located on the opposite side of the first mounting face, is a third mounting face, and a handle is arranged on the third mounting face.
Furthermore, a first mounting hole is formed in the first mounting surface, and the first mounting hole penetrates through the third mounting surface;
and a first bolt penetrates through the first mounting hole to mount the fixed seat on the upper frame.
Further, the first mounting hole is a long hole.
Furthermore, a second mounting hole is formed in the middle of the third mounting surface, and the second mounting hole penetrates through the second mounting surface;
and a second bolt penetrates through the second mounting hole to fix the fixed seat and the measuring cushion block.
Furthermore, a gasket is arranged between the second bolt and the second mounting hole.
A measuring method of a fan-shaped section guide post gap measuring device comprises the following steps:
selecting a fixed seat and a measuring cushion block matched with the fan-shaped section according to the fan-shaped section, and combining the measuring cushion block on the fixed seat;
the mounting cover plate arranged in the mounting groove is disassembled, and the fixed seat is fixed in a threaded hole of the notch of the mounting groove of the upper frame;
measuring the actual gap size between the contact end surface of the measuring cushion block and the spherical surface of the spherical surface sliding plate through a standard feeler gauge;
and adjusting the measuring cushion block, and enabling the actual gap size to reach the standard requirement.
Furthermore, the height of the mounting groove is larger than that of the fixing seat, and the standard feeler gauge penetrates through the mounting groove to measure the actual gap size.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
according to the device for measuring the gap between the guide posts of the sector section, the installation surfaces at the two ends of the fixed seat are set to be L-shaped first installation surfaces matched with the upper frame and fixed on the upper frame, the end surface of the fixed seat close to one side of the installation groove of the upper frame is provided with the measuring cushion block, the measuring cushion block is arranged in the installation groove, and the thickness of the measuring cushion block is consistent with the depth of the installation groove. During the measurement, only need to install the fixing base on last frame to measure in the cushion setting mounting groove of last frame, at this moment, can produce a clearance between measurement cushion and the sphere slide, then measure the actual size in clearance through standard clearance gauge, and then adjust the clearance of measuring between cushion and the sphere slide, in order to reach standard requirement. By adopting the gap measuring device, the problems that the gap measurement of the guide post of the fan-shaped section is inconvenient and the measured gap value is inaccurate in the prior art are effectively solved, and the accurate measurement of the gap of the guide post of the fan-shaped section is realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a front view of a fixing seat of a gap measuring device according to an embodiment of the present disclosure;
fig. 2 is a side view of a fixing seat of a gap measuring device provided in an embodiment of the present application;
fig. 3 is a top view of a fixing base of the gap measuring device according to the embodiment of the present disclosure;
FIG. 4 is a front view of a gap measuring device provided in an embodiment of the present application;
FIG. 5 is a side view of a gap measuring device provided in an embodiment of the present application;
FIG. 6 is a top view of a gap measuring device provided in an embodiment of the present application;
FIG. 7 is a schematic view of an installation structure of a gap measuring device according to an embodiment of the present disclosure;
FIG. 8 is a schematic sectional view taken along line A in FIG. 7;
fig. 9 is a schematic sectional view taken along line B in fig. 7.
Reference numerals: 1. a fixed seat; 11. a first mounting hole; 12. a second mounting hole; 13. a first mounting surface; 14. a second mounting surface; 15. a third mounting surface; 2. a handle; 3. a first bolt; 4. a second bolt; 5. a gasket; 6. measuring a cushion block; 61. a contact end face; 7. installing a groove; 8. a spherical sliding plate; 9. an upper frame; 10. and a guide post.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
Referring to fig. 1, 3 and 7, an embodiment of the present invention provides a sector guide post gap measuring device, including: a fixed seat 1 and a measuring cushion block 6; two ends of the fixed seat 1 are provided with L-shaped first mounting surfaces 13, the first mounting surfaces 13 are mounted on the upper frame 9, and the upper frame 9 is provided with a mounting groove 7; the end face, which is positioned on the same side of the first mounting surface 13, on the fixed seat 1 is a second mounting surface 14, and the measuring cushion block 6 is mounted on the second mounting surface 14 and positioned in the mounting groove 7; the thickness of the measuring pad 6 is the same as the depth of the mounting groove 7.
According to the device for measuring the gap between the guide columns of the sector sections, the installation surfaces at the two ends of the fixed seat 1 are set to be L-shaped first installation surfaces 13 matched with the upper frame 9 and are fixed on the upper frame 9, the end surface of the fixed seat 1, close to one side of the installation groove 7 of the upper frame 9, is provided with the measuring cushion block 6, the measuring cushion block 6 is arranged in the installation groove 7, and the thickness of the measuring cushion block 6 is consistent with the depth of the installation groove 7. During the measurement, only need to install fixing base 1 on last frame 9 to measure cushion 6 and set up in the mounting groove 7 of last frame 9, at this moment, can produce a clearance between measurement cushion 6 and the sphere slide 8, then measure the actual size in clearance through standard clearance gauge, and then adjust the clearance of measuring between cushion 6 and the sphere slide 8, in order to reach the standard requirement. By adopting the gap measuring device, the problems that the gap measurement of the guide post of the fan-shaped section is inconvenient and the measured gap value is inaccurate in the prior art are effectively solved, and the accurate measurement of the gap of the guide post of the fan-shaped section is realized.
As shown in fig. 6 to 9, an end surface of the measuring pad 6 away from the fixing seat 1 is a contact end surface 61, and a parallelism between the contact end surface 61 and the second mounting surface 14 is 0.05 mm.
The sector section is designed to be connected with the upper frame and the lower frame according to the use function of the sector section, the connection is realized by accessories such as the guide post 10, the joint and the like, the critical dimensions of a plurality of positions are required to be measured at the connecting position, the sector section of a single continuous casting machine is divided into four positions, the measuring surface at the side of the guide post 10 is a spherical surface, one surface, namely a contact end surface 61, of the measuring cushion block 6, which is in contact with the spherical surface is set to be a curved surface with radian, the parallelism between the curved surface and the second mounting surface 14 is 0.05mm, and the second mounting surface 14 is a plane. So design, the degree of matching between the sphere of the contact surface 61 of assurance measuring cushion 6 and sphere slide 8 is higher, simultaneously, and the different positions in the clearance between contact surface 61 and the sphere of the standard clearance gauge of being convenient for are measured, and guarantee that measuring error is little, and measured data is accurate.
Referring to fig. 1 to 9, an end surface of the fixing base 1 opposite to the first mounting surface 13 is a third mounting surface 15, and the third mounting surface 15 is provided with a handle 2.
In order to facilitate the installation and the disassembly of the gap measuring device, the handle 2 is arranged on the section of one side, away from the frame, of the fixing seat 1, the two handles 2 can be installed, the handles are symmetrically arranged relative to the fixing seat 1, and the fixing seat 1 can be taken during the installation.
As shown in fig. 1, 4 and 6, the first mounting surface 13 is provided with a first mounting hole 11, and the first mounting hole 11 penetrates through the third mounting surface 15; the first bolt 3 passes through the first mounting hole 11 to mount the fixing base 1 on the upper frame 9.
Specifically, in this embodiment, a first mounting hole 11 is formed in a horizontal section of the "L" shaped first mounting surface 13, the first mounting hole 11 penetrates through the third mounting surface 15 of the fixing base 1, the "L" shaped first mounting surface 13 matches with the notch shape of the mounting groove 7 on the upper frame 9, the "L" shaped first mounting surface 13 is clamped at the notch of the mounting groove 7, and two ends of the fixing base 1 are fixed on the upper frame 9 through the first bolt 3. The mode of bolt fixing is adopted, and the gap measuring device of the embodiment can be conveniently detached and replaced at any time.
In addition, as an embodiment of this embodiment, fixing base 1 can be fixed with last frame 9 through the mode of block, and is concrete, sets up the fixture block at 1 both ends of fixing base, sets up the draw-in groove at 7 notch edges of the mounting groove of last frame 9, with the fixture block joint in the draw-in groove, realizes fixedly.
As shown in fig. 4, the first mounting hole 11 is an elongated hole.
Specifically, design first mounting hole 11 for along the horizontal direction extend or along the slot hole that vertical direction extends, and guarantee that the length of slot hole is located the horizontal segment of the first installation face 13 of "L" type, the installation that the device of this embodiment of can being convenient for was applicable to different fan-shaped section positions, and application scope increases, and the practicality is strong.
As shown in fig. 6, a second mounting hole 12 is formed in the middle of the third mounting surface 15, and the second mounting hole 12 penetrates through the second mounting surface 14; the second bolt 4 passes through the second mounting hole 12, and fixes the fixing seat 1 and the measuring cushion block 6 mutually.
Specifically, in this embodiment, the measuring pad 6 is installed in the middle of the fixing seat 1, so as to ensure that the contact end surface 61 of the measuring pad 6 is opposite to the spherical center of the spherical sliding plate 8, and during measurement, the feeler gauge is placed in the gap between the contact end surface 61 and the spherical center, so that the accuracy of measured data can be improved; in addition, connect through second bolt 4 and measure cushion 6 and fixing base 1, at the central screw hole that beats of measuring cushion 6, second bolt 4 passes and stretches into the screw hole of measuring cushion 6 behind the second mounting hole 12, realizes the fixed to measuring cushion 6.
On the one hand, be convenient for change measuring cushion 6 according to the mounting groove 7 degree of depth of frame 9 on the different fan-shaped sections through the mode of bolt fastening, on the other hand can adjust measuring cushion 6 and the clearance between the sphere of sphere slide 8 according to the standard requirement to satisfy the actual production demand.
In addition, as an embodiment of the present embodiment, the measuring pad 6 and the fixing base 1 can be fixed by adhesion, and the measuring pad 6 and the fixing base 1 are directly replaced together during replacement.
As shown in fig. 4, a spacer 5 is further provided between the second bolt 4 and the second mounting hole 12.
In this embodiment, the gasket 5 is disposed between the second bolt 4 and the second mounting hole 12, so that the friction degree between the nut and the third mounting surface 15 is reduced, and the service life of the fixing seat 1 is prolonged.
A measuring method of a fan-shaped section guide post gap measuring device comprises the following steps: firstly, selecting a fixed seat 1 and a measuring cushion block 6 matched with the fan-shaped section according to the fan-shaped section, and combining the measuring cushion block 6 on the fixed seat 1; secondly, the mounting cover plate arranged in the mounting groove 7 is detached, and the fixed seat 1 is fixed in a threaded hole of the notch of the mounting groove 7 of the upper frame 9; then, measuring the actual gap size between the contact end surface 61 of the measuring cushion block 6 and the spherical surface of the spherical surface sliding plate 8 through a standard feeler gauge; and finally, adjusting the measuring cushion block 6, and enabling the actual gap size to meet the standard requirement.
It should be noted that before the standard feeler is used, the measuring surface of the feeler needs to be wiped clean by using clean cloth, so that the feeler cannot be measured under the condition that the feeler is stained with oil stains or metal scraps, and otherwise, the accuracy of the measuring result is affected.
Specifically, when the clearance is measured, will measure cushion 6 through second bolt 4 and gasket 5 and close on fixing base 1, fix fixing base 1 in the screw hole when installing the installation apron through first bolt 3, then select suitable clearance gauge, and penetrate standard clearance gauge from mounting groove 7, put into the clearance between contact surface 61 and the sphere with the measuring end of clearance gauge, make a round trip to stimulate the clearance gauge, when feeling there is little resistance, then the numerical value that marks on this clearance value is close the clearance gauge, be the actual measurement size in clearance promptly. And then adjusting the clearance according to the standard requirement, specifically, re-determining an appropriate clearance gauge according to the measured clearance dimension value, placing the clearance gauge dimension of the standard requirement value at the clearance, adjusting the second bolt 4 and the first bolt 3, appropriately fastening or loosening the second bolt 4 and the first bolt 3, stopping adjusting the bolts until the clearance gauge feels resistance again, and then adjusting to the required standard clearance value.
As shown in figure 7, the height of the mounting groove 7 is larger than that of the fixed seat 1, and a standard feeler gauge penetrates through the mounting groove 7 to measure the actual gap size.
When the gap measuring device is designed, the fixed seat 1 is designed to be matched with the mounting groove 7 in length, so that the first mounting hole 11 is ensured to be superposed with a threaded hole when the mounting cover plate is mounted, namely the threaded hole at the notch of the mounting groove 7, and the mounting is facilitated; in addition, with the height that fixing base 1 high design is less than mounting groove 7, can guarantee when using the clearance gauge, conveniently stretch into the guide post department of fan-shaped section with the clearance gauge to it is measured to put into clearance department, measures convenient and swift, and the practicality is strong.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.
Claims (9)
1. A sector guide post clearance measurement device, comprising: a fixed seat (1) and a measuring cushion block (6);
two ends of the fixed seat (1) are provided with L-shaped first mounting surfaces (13), the first mounting surfaces (13) are mounted on an upper frame (9), and a mounting groove (7) is formed in the upper frame (9);
the end face, which is positioned on the same side of the fixed seat (1) and the first mounting face (13), is a second mounting face (14), and the measuring cushion block (6) is mounted on the second mounting face (14) and positioned in the mounting groove (7); the end face of one end, far away from the fixed seat (1), of the measuring cushion block (6) is set to be a curved surface with a radian;
the thickness of the measuring cushion block (6) is the same as the depth of the mounting groove (7).
2. The segment guide post clearance measuring device according to claim 1, wherein the end surface of the measuring cushion block (6) far away from the fixed seat (1) is a contact end surface (61), and the parallelism of the contact end surface (61) and the second mounting surface (14) is 0.05 mm.
3. A sector guide post clearance measuring device according to claim 1, wherein the end surface of the holder (1) on the side opposite to the first mounting surface (13) is a third mounting surface (15), and a handle (2) is provided on the third mounting surface (15).
4. The sector guide post gap measuring device according to claim 3, wherein the first mounting surface (13) is provided with a first mounting hole (11), and the first mounting hole (11) penetrates through the third mounting surface (15);
and a first bolt (3) penetrates through the first mounting hole (11) to mount the fixed seat (1) on the upper frame (9).
5. The segment guide post clearance measurement device of claim 4, wherein the first mounting hole (11) is a long hole.
6. The sector guide post gap measuring device according to claim 3, wherein a second mounting hole (12) is formed in the middle of the third mounting surface (15), and the second mounting hole (12) penetrates through the second mounting surface (14);
and a second bolt (4) penetrates through the second mounting hole (12) to fix the fixed seat (1) and the measuring cushion block (6).
7. The segment guide post clearance measurement device of claim 6, wherein a washer (5) is further provided between the second bolt (4) and the second mounting hole (12).
8. A measuring method of a segmental guide post gap measuring device according to any one of claims 1 to 7, comprising the steps of:
selecting a fixed seat (1) and a measuring cushion block (6) matched with the fan-shaped section according to the fan-shaped section, and combining the measuring cushion block (6) on the fixed seat (1);
the mounting cover plate arranged in the mounting groove (7) is dismounted, and the fixed seat (1) is fixed in a threaded hole of the notch of the mounting groove (7) of the upper frame (9);
measuring the actual gap size between the contact end surface (61) of the measuring cushion block (6) and the spherical surface of the spherical sliding plate (8) through a standard feeler gauge;
and adjusting the measuring cushion block (6) and enabling the actual gap size to meet the standard requirement.
9. The measuring method according to claim 8, characterized in that the height of the mounting groove (7) is greater than the height of the holder (1), the actual gap dimension being measured by the standard feeler through the mounting groove (7).
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| CN202011546866.4A CN112325748B (en) | 2020-12-24 | 2020-12-24 | Device and method for measuring clearance of guide post of sector section |
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| CN202011546866.4A CN112325748B (en) | 2020-12-24 | 2020-12-24 | Device and method for measuring clearance of guide post of sector section |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109900181A (en) * | 2019-03-07 | 2019-06-18 | 中钢集团西安重机有限公司 | Arc frame is to arc method in a kind of fan-shaped section |
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| JP3458643B2 (en) * | 1997-02-17 | 2003-10-20 | 日産自動車株式会社 | Friction wheel type continuously variable transmission |
| JPH11250537A (en) * | 1998-03-03 | 1999-09-17 | Seiko Epson Corp | Disk holding mechanism |
| CN201008957Y (en) * | 2006-12-30 | 2008-01-23 | 沈阳人和机械制造有限公司 | Sectorial segment arc sample board of conticaster |
| CN201653331U (en) * | 2010-04-23 | 2010-11-24 | 宝山钢铁股份有限公司 | Gap measuring gauge of upper frame and lower frame of hydraulic fan-shaped section |
| CN202824566U (en) * | 2012-11-09 | 2013-03-27 | 中冶赛迪工程技术股份有限公司 | Arc aligning device for overhauling sector section of H-shaped blank continuous casting machine |
| CN205341855U (en) * | 2015-12-03 | 2016-06-29 | 中钢集团西安重机有限公司 | Fan -shaped section roll gap regulation device of conticaster |
| CN213688163U (en) * | 2020-12-24 | 2021-07-13 | 中钢集团西安重机有限公司 | Fan-shaped section guide post clearance measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109900181A (en) * | 2019-03-07 | 2019-06-18 | 中钢集团西安重机有限公司 | Arc frame is to arc method in a kind of fan-shaped section |
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