CN-115752317-B - Auxiliary installation device and installation calibration method for support roller of annular cooler

CN115752317BCN 115752317 BCN115752317 BCN 115752317BCN-115752317-B

Abstract

The invention relates to the technical field of ferrous metallurgy, in particular to an auxiliary device for installing and calibrating a support roller of a ring cooler, which comprises an auxiliary device for installing a roller body, wherein the auxiliary device for installing the roller body comprises a base and wing plates, wherein sinking tables are respectively processed on the left side and the right side of the front end surface of each wing plate, so that sinking tables are formed on the wing plates, transverse side lines and longitudinal side lines are formed on the outer edges of the sinking tables.

Inventors

LUO KE
CHEN YONGZHONG
CHEN GUO
CAO SHENGNIAN
XIE XIN
XIAO YUEJUN

Assignees

湖南中冶长天重工科技有限公司

Dates

Publication Date: 20260508
Application Date: 20221201

Claims (5)

1. An auxiliary device for mounting a roller body, characterized in that the auxiliary device for mounting a roller body comprises: The base extends along the direction parallel to the axial direction of the roller body, and the bottom surface of the base is a positioning surface matched with the outer circular surface of the roller body; the wing plates are arranged on the top surface of the base and extend to the left side and the right side of the base, and the plane where the wing plates are arranged is perpendicular to the axial direction of the roller body; the left side and the right side of the front end face of the wing plate are respectively provided with a sinking table, so that a sinking table surface is formed on the wing plate, and a transverse side line and a longitudinal side line are formed on the outer edge of the sinking table; the left side and the right side of the wing plate are respectively provided with a convex part, and the sinking platform is processed on the front end surface of the convex part; The wing plate and the sinking platform are respectively and symmetrically arranged relative to the base; The horizontal distance between the longitudinal side lines of the sinking platform at the left side and the right side is w, namely the horizontal parallel distances between the longitudinal side lines of the sinking platform at the left side and the right side and the horizontal symmetrical central line of the positioning surface are w/2 respectively, wherein w is a fixed value, and the longitudinal distance between the horizontal side lines of the sinking platform and the horizontal reference surface of the positioning surface is h, wherein h is a fixed value; the sinking table is manufactured by a machining means; the top surface of the base extends to the rear of the wing plate to form a horizontal plane for correcting the horizontal state of the auxiliary device.
2. The auxiliary device for mounting a roll body according to claim 1, wherein the positioning surface comprises an inverted V-shaped groove in the middle, and symmetrical horizontal reference surfaces extending from the bottom of the inverted V-shaped groove to the left and right sides, and a projection of a horizontal symmetrical center line of the positioning surface coincides with the center axis of the roll body.
3. The auxiliary device for mounting a roll body according to claim 1, wherein the base has a front side reference surface, the front side reference surface is a flat surface, and a distance between the front side reference surface and the counter surface is d, which is a fixed value.
4. The method for installing and calibrating the support roller of the ring cooler is characterized in that the auxiliary device for installing the roller body is adopted, the ring cooler is provided with the following design dimensions, namely, the distance L between the radial center line of the roller surface of the support roller and the center line of a trolley of a revolving frame, the distance R0 between the center of the ring cooler and the center line of the trolley of the revolving frame, and the vertical offset distance e from the center of the ring cooler to the center line of the support roller, and the method comprises the following steps: S1, selecting an auxiliary device for roller body installation, and determining the following inherent dimensions of the auxiliary device for roller body installation, namely, the distance d between the front side datum plane and the sinking table surface, the transverse distance w between the longitudinal side lines on the left side and the right side, and the longitudinal distance h between the transverse side lines and the horizontal datum plane of the positioning surface; s2, arranging a total station in the center of the annular cooler, and detecting and calibrating the installation size of the support roller by matching with the auxiliary device for roller body installation; S3, stably and horizontally placing the auxiliary device for mounting the roller body on the roller top of the supporting roller, so that the wing plates are symmetrically distributed on the left side and the right side of the supporting roller, and aligning the front side datum plane of the base with the front end surface of the supporting roller; S4, adjusting and calibrating the height of the supporting roller, namely measuring the height of the transverse side line by adopting a total station and combining the inherent dimension h, so as to calculate the actual value of the mounting height of the supporting roller, and further adjusting and calibrating the mounting height of the supporting roller; S5, adjusting and calibrating the radial installation position of the support roller, namely measuring the actual value of a first distance K between the center of the annular cooler and the longitudinal side line by adopting a total station, combining the inherent dimension w, obtaining the actual value of R0 + -L according to the geometric relationship of the triangle, and adjusting and calibrating the radial installation position of the support roller according to the deviation between the actual value of R0 + -L and the designed dimension value; S6, adjusting and calibrating the deflection degree of the support roller, namely calibrating the vertical deflection distance e by comparing the theoretical value and the actual value of the first distance K, and further adjusting the support roller to enable the vertical deflection distance e to be 0.
5. The method for calibrating the installation of the backup roll of the ring cooler according to claim 4, wherein the method further comprises the step of obtaining a beam surface R0 datum point between the step S2 and the step S3, specifically, placing the auxiliary device for roll body installation on a plane beam for installing the backup roll, measuring an actual value of a second distance K' between the center of the ring cooler and the longitudinal side line by using a total station, combining the inherent dimensions d and w, and according to a triangle geometry relation, obtaining an actual value of R0, and further adjusting the placement position of the auxiliary device according to the deviation between the actual value of R0 and a design dimension value, finally enabling a front side surface of the auxiliary device to be aligned with the position of R0, and obtaining the beam surface R0 datum point on the plane beam.

Description

Auxiliary installation device and installation calibration method for support roller of annular cooler Technical Field The invention relates to the field of ferrous metallurgy, in particular to an installation auxiliary device and an installation calibration method for a backup roll of a circular cooler. Background The rotary arm type liquid sealing ring cooler (hereinafter referred to as ring cooler) is the main host equipment for the prior iron process production (sintering and pelletizing) in the ferrous metallurgy industry. As a large-scale system device that must be assembled and commissioned on site, the quality of the on-site installation has a critical impact on the service performance and life of the device. When the annular cooler works, the revolving frame trolley which moves in an annular mode is used for bearing hot mineral aggregate to exchange heat, so that the supporting roller which supports the revolving frame trolley to realize annular movement is particularly important for the stable operation of the annular cooler. The installation position degree and the geometric dimension of the supporting roller have important influence on whether the revolving frame trolley is deviated or not. As shown in fig. 1, an inner ring upright for installing components such as a plane beam and a side roller is arranged in the ring cooling machine, and the inner ring upright can shield the sight line from a central measuring table, so that stations are required to be continuously changed or only indirect observation can be performed during measurement, and great inconvenience is brought to the installation and measurement of the supporting roller, and therefore, improvement of the installation engineering of the supporting roller is urgently needed. Disclosure of Invention Based on the problems existing in the prior art, in order to ensure the installation precision of a backup roll of a circular cooler and simplify the procedure of detection and adjustment, the invention discloses an auxiliary device for installing a roll body, and in particular, the auxiliary device for installing the roll body comprises: The base extends along the direction parallel to the axial direction of the roller body, and the bottom surface of the base is a positioning surface matched with the outer circular surface of the roller body; the wing plates are arranged on the top surface of the base and extend to the left side and the right side of the base, and the plane where the wing plates are arranged is perpendicular to the axial direction of the roller body; The left side and the right side of the front end face of the wing plate are respectively provided with a sinking table, so that a sinking table surface is formed on the wing plate, and a transverse side line and a longitudinal side line are formed on the outer edge of the sinking table. Preferably, the left side and the right side of the wing plate are respectively provided with a convex part, and the sinking platform is processed on the front end surface of the convex part. Preferably, the wing plate and the sinking platform are respectively and symmetrically arranged relative to the base. Preferably, the positioning surface comprises an inverted V-shaped groove in the middle and symmetrical horizontal reference surfaces extending from the bottom of the inverted V-shaped groove to the left and right sides, and the projection of the horizontal symmetrical central line of the positioning surface coincides with the central axis of the roller body. Preferably, the transverse distance between the longitudinal side lines of the sinking platform at the left side and the right side is w, namely the transverse parallel distances between the longitudinal side lines of the sinking platform at the left side and the right side and the horizontal symmetrical central line of the positioning surface are w/2 respectively, wherein w is a fixed value, and the longitudinal distance between the transverse side lines of the sinking platform and the horizontal reference surface of the positioning surface is h, wherein h is a fixed value. Preferably, the base is provided with a front side reference surface, the front side reference surface is a flat surface, the distance between the front side reference surface and the sinking table surface is d, and d is a fixed value. Preferably, the sinking table is manufactured by machining means. Preferably, the top surface of the base extends to the rear of the wing plate to form a horizontal plane for correcting the horizontal state of the auxiliary device. The invention also discloses a mounting and calibrating method of the ring cooler support roller, wherein the ring cooler has the following design dimensions that the distance L between the radial center line of the roller surface of the support roller and the center line of the revolving frame trolley is the distance R0 between the center of the ring cooler and the center line of the revolving frame tro