CN111928834A - Special tool for calibrating central line of vertical multi-roller straightening roller and calibration system thereof - Google Patents
Special tool for calibrating central line of vertical multi-roller straightening roller and calibration system thereof Download PDFInfo
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- CN111928834A CN111928834A CN202010739155.2A CN202010739155A CN111928834A CN 111928834 A CN111928834 A CN 111928834A CN 202010739155 A CN202010739155 A CN 202010739155A CN 111928834 A CN111928834 A CN 111928834A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/10—Plumb lines
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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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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Abstract
The invention provides a special tool for calibrating the central line of a vertical multi-roll straightening roll, which comprises a first connecting rod, a locking nut and a second connecting rod, wherein one end of the second connecting rod is provided with a mounting hole, one end of the first connecting rod extends into the mounting hole, the first connecting rod is provided with a thread matched with the locking nut, the locking nut rotates on the first connecting rod through the thread, and the locking nut is positioned on the outer side of one end of the second connecting rod; the special calibration tool further comprises a first fixing plate and a second fixing plate, the first fixing plate is fixedly arranged at the other end of the first connecting rod, and the second fixing plate is fixedly arranged at the other end of the second connecting rod; the invention can be widely applied to the inspection or calibration of the central lines of the vertical straightener and the multiple rollers, and has the advantages of light manufacture, convenient installation or disassembly and strong practicability.
Description
Technical Field
The invention relates to the technical field of calibration equipment, in particular to a special tool for calibrating a central line of a vertical multi-roller straightening roller and a calibration system thereof.
Background
The center line calibration of the vertical multi-roll straightener is a prominent problem that the correction and the inspection of the center of the multi-roll straightener all the time are time-consuming and the product quality is influenced.
And in the early stage, the standard sample tube is conveyed to the lower roller of the straightening machine all the time, and the upper roller is adjusted to descend to the sample tube for inspection. The straightening roller needs to be adjusted to the same angle position, and the central line or the contact surface of the straightening roller and the sample tube can be checked through the sample tube. If the centers of the plurality of rolls are deviated, 1) the surface of the produced steel pipe may have spiral marks, and 2) the curved path of the roll profile may be damaged. 3) The centerline cannot be checked when the straightening roll is at an angle of 0 deg.. And 3-5 persons are needed to operate and adjust together, and the consumed time is long.
Disclosure of Invention
The invention aims to provide a special tool for calibrating the central line of a vertical multi-roller straightening roller and a calibration system thereof, which can be widely applied to the inspection or calibration of the central line of the vertical straightening machine and the multi-roller straightening roller, are light and handy to manufacture, are convenient to mount or dismount, and have strong practicability.
In order to achieve the above purpose, the invention provides the following technical scheme:
a special tool for calibrating the central line of a vertical multi-roll straightening roll comprises a first connecting rod, a locking nut and a second connecting rod, wherein a mounting hole is formed in one end of the second connecting rod, one end of the first connecting rod extends into the mounting hole, a thread matched with the locking nut is formed in the first connecting rod, the locking nut rotates on the first connecting rod through the thread, and the locking nut is located on the outer side of one end of the second connecting rod; the special calibration tool further comprises a first fixing plate and a second fixing plate, the first fixing plate is fixedly installed at the other end of the first connecting rod, and the second fixing plate is fixedly installed at the other end of the second connecting rod.
Preferably, the diameter of the mounting hole is smaller than the outer diameter of the lock nut.
Preferably, the diameter of the mounting hole is greater than or equal to the diameter of the first connecting rod.
Preferably, the first fixing plate and the second fixing plate are both arc-shaped plates.
Preferably, the outer side wall of the arc-shaped plate is fixedly connected with the other end of the first connecting rod or the other end of the second connecting rod.
Preferably, the inner diameter of the arc-shaped plate is matched with a supporting upright column of the vertical multi-roll straightener.
The invention also provides a calibration system using the special calibration tool, which comprises the two special calibration tools, a straightening roller sample plate, a suspension wire lump and a suspension wire; the two special calibration tools are respectively fixed on the supporting upright columns on the inlet and the outlet, the central points of the two special calibration tools are connected through the suspension wire, a groove for attaching a straightening roller roll-shaped curved surface is formed on the straightening roller sample plate, the straightening roller sample plate is attached to the straightening roller roll-shaped curved surface through the groove, the suspension wire lumps are fished up and down on the suspension wire, and the center of the straightening roller sample plate is calibrated; the inlet and the outlet are the inlet and the outlet of the multi-roll straightener; the center point is a symmetrical point of the first fixing plate and the second fixing plate in the special calibration tool.
Preferably, said two calibration specific tools are on the same horizontal plane.
Preferably, the suspension wire is a steel wire or a nylon rope.
Preferably, the axis of the suspension wire lump is perpendicular to the suspension wire.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the first connecting rod, the locking nut and the second connecting rod are matched for use, so that the vertical multi-roll straightening machine can be fixed between two supporting stand columns of the vertical multi-roll straightening machine, the installation or the disassembly of the vertical multi-roll straightening machine is more convenient, the vertical multi-roll straightening machine can be widely applied to the vertical multi-roll straightening machine, the manufacture is light, and the practicability is strong; the first fixing plate and the second fixing plate are both arc-shaped plates, and meanwhile, the inner diameter of each arc-shaped plate is matched with the supporting upright post of the vertical multi-roll straightener, so that dislocation is prevented when the straightener is used, and the accuracy of the straightener is improved during calibration; the invention is used for calibrating the central line of the vertical multi-roll straightener, improves the surface indentation of the steel pipe and simultaneously ensures that the contact surface between the roll-shaped curve and the steel pipe has good effect.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
FIG. 1 is a partial cross-sectional view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a top view of the lower roll of the vertical multi-roll straightener;
FIG. 4 is a schematic centerline view of a vertical multi-roll straightener;
FIG. 5 is a cross-sectional view of a messenger lump;
fig. 6 is a front view of a straightening roll template.
Description of reference numerals:
the device comprises a first connecting rod 1, a locking nut 2, a second connecting rod 3, a mounting hole 4, a first fixing plate 5, a second fixing plate 6, a straightening roller template 7, a first calibrating special tool 8, a second calibrating special tool 9, a suspension wire lump 10 and a supporting upright post 11.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
As shown in fig. 1 to 2, according to an embodiment of the present invention, the present invention discloses a special tool for calibrating a center line of a vertical multi-roll straightening roll, which includes a first connecting rod 1, a locking nut 2, and a second connecting rod 3, wherein an installation hole 4 is formed at one end of the second connecting rod 3, and one end of the first connecting rod 1 extends into the installation hole 4, in this embodiment, the diameter of the installation hole 4 is equal to the diameter of the first connecting rod 1, in other embodiments, the diameter of the installation hole 4 may also be greater than the diameter of the first connecting rod 1, so that the first connecting rod 1 of the present invention can be conveniently inserted into the installation hole 4. The first connecting rod 1 is provided with a thread matched with the locking nut 2, so that a calibration person can operate the locking nut 2 more conveniently. The locking nut 2 is rotated on the first connecting rod 1 through threads, the locking nut 2 is positioned on the outer side of one end of the second connecting rod 3, and the outer diameter of the locking nut 2 is larger than the diameter of the mounting hole 4, so that the vertical multi-roll straightening machine can be fixed between two supporting upright columns of the vertical multi-roll straightening machine, the installation or the disassembly of the vertical multi-roll straightening machine is more convenient, the vertical multi-roll straightening machine can be widely applied to the vertical multi-roll straightening machine, the manufacture is light, and the practicability is strong.
In the embodiment of the present invention, the calibration special tool further includes a first fixing plate 5 and a second fixing plate 6, wherein the first fixing plate 5 is fixedly installed on the other end of the first connecting rod 1; wherein the second fixing plate 6 is fixedly installed on the other end of the second connecting rod 3, so that the first connecting rod 1 or the second connecting rod 2 is more conveniently fixed on the supporting upright post 11 of the vertical multi-roll straightener.
In the embodiment of the invention, the first fixing plate 5 and the second fixing plate 6 are both provided with arc-shaped plates, the outer side walls of the arc-shaped plates are fixedly connected with the other end of the first connecting rod 1 or the other end of the second connecting rod 3, and the inner diameters of the arc-shaped plates are matched with the supporting upright post 11 of the vertical multi-roll straightener, so that dislocation is prevented when the straightener is used, and the accuracy of the straightener is improved during calibration.
As shown in fig. 1 to 6, the present invention further provides a calibration system using the special calibration tool, which includes two of the special calibration tool, a straightening roller template 7, a suspension wire lump 10, and a suspension wire; two special calibration tools are respectively fixed on the supporting upright posts 11 on the inlet and the outlet, and the two special calibration tools are on the same horizontal plane. The central points of the two special calibration tools are connected through a suspension wire, the central points are symmetrical points of the first fixing plate 5 and the second fixing plate 6 in the special calibration tools, and the suspension wire is a steel wire or a nylon rope. A groove 12 for attaching to a straightening roller roll-shaped curved surface is formed in the straightening roller sample plate 7, the straightening roller sample plate 7 is attached to the straightening roller roll-shaped curved surface through the groove 12, the suspension wire lumps 10 are fished up and down on the suspension wire, the center of the straightening roller sample plate 7 is calibrated, and the axis of the suspension wire lumps 10 is perpendicular to the suspension wire; the inlet and the outlet are the inlet and the outlet of the multi-roll straightener.
When calibrating the central line of the vertical multi-roll straightener, two special calibration tools, namely a first special calibration tool 8 and a second special calibration tool 9 are used, the first special calibration tool 8 and the second special calibration tool 9 are respectively fixed on a supporting upright post 11 on an inlet and an outlet (the inlet and the outlet are the inlet and the outlet of the multi-roll straightener), at the moment, the first special calibration tool 8 and the second special calibration tool 9 are kept on the same horizontal plane, and the respective central points are respectively measured on the first special calibration tool 8 and the second special calibration tool 9; connecting the two measured central points by using a steel wire or a nylon rope with the diameter of about 0.8-1.2 mm to form a central line; and then, attaching a straightening roller template 7 to each straightening roller roll-shaped curved surface respectively, after the curved surface of the straightening roller template and the curved surface of the roller are superposed, fishing up and down on the central line by using a suspension line lump 10, aligning the center on the straightening roller template by using the axis of the suspension line lump perpendicular to the central line, and checking and adjusting the position of the straightening roller.
The center line is checked by using the original sample tube, and the error is larger when the center line is checked because the straightening roller and the center line have a certain included angle. The present invention is used in conjunction with a roll-type template to examine the centerline at an angle of 0 deg., with an error controllable within 1 mm. Then the angle of the straightening roller is adjusted, the contact surface between the roller profile and the steel pipe is checked, and the total length of the roller profile can reach about 3/4. The invention is used for calibrating the central line of the vertical multi-roll straightener, improves the surface indentation of the steel pipe and simultaneously ensures that the contact surface between the roll-shaped curve and the steel pipe has good effect.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a vertical multi-roll straightener roll central line demarcation specialized tool which characterized in that:
the special calibration tool comprises a first connecting rod, a locking nut and a second connecting rod,
one end of the second connecting rod is provided with a mounting hole,
one end of the first connecting rod extends into the mounting hole,
the first connecting rod is provided with a thread matched with the locking nut,
the locking nut is rotated on the first connecting rod through the thread,
the locking nut is positioned on the outer side of one end of the second connecting rod;
the special calibration tool also comprises a first fixing plate and a second fixing plate,
the first fixing plate is fixedly arranged at the other end of the first connecting rod,
the second fixing plate is fixedly mounted on the other end of the second connecting rod.
2. The special tool for calibrating the center line of the vertical multi-roll straightening roll according to the claim 1,
the diameter of the mounting hole is smaller than the outer diameter of the locking nut.
3. The special tool for calibrating the center line of the vertical multi-roll straightening roll according to the claim 1,
the diameter of the mounting hole is larger than or equal to the diameter of the first connecting rod.
4. The special tool for calibrating the center line of the vertical multi-roll straightening roll according to the claim 1,
the first fixing plate and the second fixing plate are both arc-shaped plates.
5. The tool special for calibrating the center line of the vertical multi-roll straightening roll as claimed in claim 4,
the outer side wall of the arc-shaped plate is fixedly connected with the other end of the first connecting rod or the other end of the second connecting rod.
6. The tool special for calibrating the center line of the vertical multi-roll straightening roll as claimed in claim 4,
the inner diameter of the arc-shaped plate is matched with a supporting upright post of the vertical multi-roll straightener.
7. A calibration system using a calibration specific tool, comprising:
the calibration system comprises two special calibration tools, a straightening roller template, a suspension wire lump and a suspension wire according to any one of claims 1 to 6;
the two special calibration tools are respectively fixed on the supporting upright columns on the inlet and the outlet,
the central points of the two special calibration tools are connected through the suspension wire,
the straightening roll sample plate is provided with a groove for jointing the roll-shaped curved surface of the straightening roll,
the straightening roller sample plate is attached to the roller-shaped curved surface of the straightening roller through the groove,
the suspension wire lump is fished up and down on the suspension wire, and the center of the straightening roller sample plate is corrected;
the inlet and the outlet are the inlet and the outlet of the multi-roll straightener;
the center point is a symmetrical point of the first fixing plate and the second fixing plate in the special calibration tool.
8. The special tool for calibrating the center line of the vertical multi-roll straightening roll according to claim 7,
the two special calibration tools are on the same horizontal plane.
9. The special tool for calibrating the center line of the vertical multi-roll straightening roll according to claim 7,
the suspension wire is a steel wire or a nylon rope.
10. The special tool for calibrating the center line of the vertical multi-roll straightening roll according to claim 7,
the axis of the suspension wire lump is vertical to the suspension wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739155.2A CN111928834A (en) | 2020-07-28 | 2020-07-28 | Special tool for calibrating central line of vertical multi-roller straightening roller and calibration system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739155.2A CN111928834A (en) | 2020-07-28 | 2020-07-28 | Special tool for calibrating central line of vertical multi-roller straightening roller and calibration system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111928834A true CN111928834A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010739155.2A Pending CN111928834A (en) | 2020-07-28 | 2020-07-28 | Special tool for calibrating central line of vertical multi-roller straightening roller and calibration system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577400A (en) * | 2020-11-26 | 2021-03-30 | 宝钢特钢韶关有限公司 | V-shaped conveying roller way flatness calibration device and use method thereof |
-
2020
- 2020-07-28 CN CN202010739155.2A patent/CN111928834A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577400A (en) * | 2020-11-26 | 2021-03-30 | 宝钢特钢韶关有限公司 | V-shaped conveying roller way flatness calibration device and use method thereof |
| CN112577400B (en) * | 2020-11-26 | 2022-09-06 | 宝武杰富意特殊钢有限公司 | V-shaped conveying roller way flatness calibration device and use method thereof |
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