CN114700370B - Rapid installation method of universal coupling of heavy and medium plate mill - Google Patents
Rapid installation method of universal coupling of heavy and medium plate mill Download PDFInfo
- Publication number
- CN114700370B CN114700370B CN202210318120.0A CN202210318120A CN114700370B CN 114700370 B CN114700370 B CN 114700370B CN 202210318120 A CN202210318120 A CN 202210318120A CN 114700370 B CN114700370 B CN 114700370B
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- universal coupling
- end part
- supporting block
- roller
- tool
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- 230000008878 coupling Effects 0.000 title claims abstract description 66
- 238000010168 coupling process Methods 0.000 title claims abstract description 66
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 66
- 238000009434 installation Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a quick installation method of a universal coupling of a heavy and medium plate mill, which comprises the following steps of using an installation tool to finish quick installation of the universal coupling of the heavy and medium plate mill; sleeving the end part of the universal coupling roller on the main driving roller, abutting the bottom of a supporting block of an adjusting tool and the bottom and the nut of an adjusting screw on the inclined surface of a shaft neck of the end part of the universal coupling roller, adjusting the height of a pre-tightening ring of the adjusting tool to ensure that the pre-tightening ring abuts against the end surface of the universal coupling so as to fix the end part of the universal coupling roller, the universal coupling and the shaft end part, and positioning the main driving roller and the universal coupling by moving a hydraulic driving roll changing trolley; the positioning tool is used for connecting the flange at the end part of the universal coupling shaft and the flange at one end of the main shaft, so that the two flanges with larger concentricity deviation can be concentrically positioned, buckled and tensioned. The invention can solve the problems of high replacement difficulty, high danger and low replacement speed of the universal coupling of the conventional heavy and medium plate mill.
Description
Technical Field
The invention relates to the technical field of steel manufacturing and equipment thereof, in particular to a quick installation method of a universal coupling at the end of a main transmission roller of a large-sized rolling mill in plate and strip production.
Background
In the production process of the medium plate belt, the universal coupler at the main transmission roller end of the rolling mill comprises a roller end part with one end connected with the main transmission roller and a shaft end part with the other end connected with the main shaft, the two sections are movably hinged through universal joints, the two sides of the shaft neck adjacent to the roller end part and the universal joints are inclined, the shaft end part and the universal joints are fixed and do not move relatively, the shaft end part is buckled with the flange at one end of the main shaft through the flange of the end head, and the universal coupler is replaced after being replaced periodically or failed, namely the old universal coupler is detached, and then a new universal coupler is reinstalled. When installing a new universal coupling, a common method is to use a crane and a corresponding special lifting appliance for lifting, and after the universal coupling is lifted in place, the universal coupling is manually positioned and tensioned by using a connecting bolt. Because the main transmission universal coupling of the rolling mill belongs to a special-shaped piece, and the two parts of the universal coupling can swing relatively, especially one end of the universal coupling is fixed after rotation, the other end of the universal coupling can fall down, and therefore, when the crane is hoisted, the universal coupling is difficult to fix and bind; after the universal coupling is in place, because the shaft end part of the universal coupling is not coincident with the central line of the flange at one end of the main shaft, the universal coupling needs to be positioned and tensioned manually, and great danger exists; in addition, the bolts are used for positioning and tensioning, so that the efficiency is low, and the labor intensity of workers is high.
Disclosure of Invention
The invention aims to solve the problems of high replacement difficulty, high risk and low replacement speed of the conventional universal coupling of the heavy and medium plate mill.
In order to solve the problems, the technical scheme of the invention is as follows: the quick installation method of the universal coupling of the heavy and medium plate mill comprises the following steps of using an installation tool to complete quick installation of the universal coupling of the heavy and medium plate mill;
the installation tool comprises an adjustment tool which is clamped between the inclined surface of the shaft neck at the end part of the universal coupling roller and the universal joint, and a positioning tool which penetrates through the flange at the end part of the universal coupling roller and the flange at one end of the main shaft;
The adjusting tool comprises an inverted U-shaped supporting block with a horizontally-raised middle part, two ends of the bottom of the supporting block are long and short, the short side of the bottom of the supporting block is inclined and is consistent with the inclination of the inclined surface of the shaft neck at the end part of the universal coupling roller, an adjusting screw vertically penetrates through the horizontally-raised middle part of the supporting block, an internally-threaded pre-tightening ring is arranged at the top of the adjusting screw above the supporting block, the adjusting screw is inclined at the bottom of a screw cap at the bottom of the supporting block and is consistent with the inclination of the inclined surface of the shaft neck at the end part of the universal coupling roller, and a hole through which the adjusting screw penetrates is a long hole and extends to one side of the supporting block;
the positioning tool comprises a taper screw rod connected with the positioning tool;
The installation method comprises the following steps:
Sleeving the end part of the universal coupling roller on the main driving roller, abutting the bottom of a supporting block of an adjusting tool and the bottom and the nut of an adjusting screw on the inclined surface of a shaft neck of the end part of the universal coupling roller, adjusting the height of a pre-tightening ring of the adjusting tool to ensure that the pre-tightening ring abuts against the end surface of the universal coupling so as to fix the end part of the universal coupling roller, the universal coupling and the shaft end part, and positioning the main driving roller and the universal coupling by moving a hydraulic driving roll changing trolley; the positioning tool is used for connecting the flange at the end part of the universal coupling shaft and the flange at one end of the main shaft, so that the two flanges with larger concentricity deviation can be concentrically positioned, buckled and tensioned.
Among the above technical schemes, more specific schemes may be: an adjusting nut is arranged below the pre-tightening ring at the top end of the adjusting screw of the adjusting tool.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
According to the rapid installation method of the universal coupling of the heavy and medium plate mill, the screw penetrating through the supporting block is propped between the inclined surface of the shaft neck at the roller end part of the universal coupling and the universal coupling, so that when the roller end part of the universal coupling is fixedly sleeved with the main driving roller and the shaft end part is loosened, the roller end part cannot move relative to the universal coupling to fall down, and the risk and the operation difficulty are greatly reduced; the positioning tool penetrates through the end flange of the universal coupling shaft and the end flange of the main shaft, and the taper screw is used, so that the problem that the end of the universal coupling shaft is not completely overlapped with the central line of the main shaft at the initial stage and cannot be completely centered can be solved, two holes with larger concentricity deviation are connected through the taper screw, the positioning and tensioning functions of the coupling shaft and the main shaft are realized, the operation difficulty is reduced, and the roll changing speed is improved.
Drawings
FIG. 1 is an isometric view of an embodiment of the invention and a universal joint;
FIG. 2 is a front view of an adjustment tool according to an embodiment of the present invention;
FIG. 3 is a top view of an adjustment tool according to an embodiment of the present invention;
FIG. 4 is a left side view of an adjustment tool according to an embodiment of the invention;
FIG. 5 is an isometric view of a positioning tool according to an embodiment of the invention;
fig. 6 is an installation state diagram of an embodiment of the present invention.
Detailed Description
Embodiments of the invention are described in further detail below with reference to the attached drawing figures:
the quick installation method of the universal coupling of the heavy and medium plate mill comprises the step of quickly installing the universal coupling of the heavy and medium plate mill by using an installation tool.
The installation tool shown in fig. 1 comprises an adjusting tool 5 which is clamped between the inclined surface of the shaft neck of the roller end 4-1 of the universal joint shaft 4 and the universal joint shaft 4-2, and a positioning tool 6 which penetrates through the flange 4-4 of the shaft end 4-3 of the universal joint shaft 4 and the flange 8-1 at one end of the main shaft 8.
The adjusting tool shown in fig. 2 to 4 comprises an inverted U-shaped supporting block 5-1 with a horizontally-raised middle part, wherein two ends of the bottom of the supporting block 5-1 are long and short, the short side of the bottom of the supporting block 5-1 is inclined and consistent with the inclination of the inclined plane of the shaft neck of the end part 4-1 of the universal coupling, an adjusting screw 5-2 vertically penetrates through the horizontally-raised middle part of the supporting block 5-1, an internally-threaded pre-tightening ring 5-3 is arranged at the top of the adjusting screw 5-2 above the supporting block 4, an adjusting nut 5-4 is arranged below the pre-tightening ring 5-3 at the top end of the adjusting screw 5-2 of the adjusting tool, the bottom of a nut 5-5 at the bottom end below the supporting block 5-1 is inclined and consistent with the inclination of the inclined plane of the shaft neck 4-1 of the end part of the universal coupling, and a hole through which the adjusting screw 5-1 penetrates is a long hole 5-6 and extends to one side of the supporting block 5-1.
The positioning tool shown in fig. 5 is connected with a taper screw rod 6.
The installation method comprises the following steps:
As shown in fig. 6, the end 4-1 of the universal coupling is sleeved on the main driving roller 3, the bottom of the supporting block 5-1 of the adjusting tool 5 and the bottom nut 5-5 of the adjusting screw are abutted on the inclined surface of the shaft neck of the end 4-1 of the universal coupling, the height of the pre-tightening ring 5-3 of the adjusting tool 5 is adjusted, the pre-tightening ring 5-3 is abutted on the end surface of the universal joint 4-2, so that the end 4-1 of the universal coupling 4, the universal joint 4-2 and the end 4-3 of the shaft do not move relatively, the end 4-3 of the shaft does not drop during rotation, safety accidents are avoided, the main driving roller 3 and the universal coupling 4 are pushed in by the movement of the hydraulic driving roll changing trolley 2, the clamping hook of the roll changing trolley 2 is clamped in the clamping groove of the connecting arm, and the hydraulic driving trolley 1 stretches and contracts to drive the connecting arm to move, so as to drive the roll changing trolley 2 to move; in the process, the start and stop of the hydraulic drive roll changing trolley 2 are controlled until the universal coupling 4 is positioned; if the adjusting tool 5 is blocked during assembly, the position of the main shaft 8 can be adjusted by operating the swinging device 7 so that the adjusting tool 5 can be installed as required. And then, the positioning tool 6 is used for connecting the flange 4-4 at the shaft end part of the universal coupler 4 and the flange 8-1 at one end of the main shaft 8, namely, two taper screws are used for connecting holes on the two flanges, and the left side and the right side of the taper screws are respectively connected with one taper screw, so that the two flanges with larger concentricity deviation can be concentrically positioned, and the two flanges are buckled and tensioned.
Compared with the original installation method, the quick installation method is safer and more efficient, and completely meets the production requirement.
Claims (1)
1. A quick installation method of a universal coupling of a heavy and medium plate mill is characterized by comprising the following steps of: the method comprises the steps of using an installation tool to complete quick installation of the universal coupling of the heavy and medium plate mill;
the installation tool comprises an adjustment tool which is clamped between the inclined surface of the shaft neck at the end part of the universal coupling roller and the universal joint, and a positioning tool which penetrates through the flange at the end part of the universal coupling roller and the flange at one end of the main shaft;
The adjusting tool comprises an inverted U-shaped supporting block with a horizontally-raised middle part, two ends of the bottom of the supporting block are long and short, the short side of the bottom of the supporting block is inclined and is consistent with the inclination of the inclined surface of the shaft neck at the end part of the universal coupling roller, an adjusting screw vertically penetrates through the horizontally-raised middle part of the supporting block, an internally-threaded pre-tightening ring is arranged at the top of the adjusting screw above the supporting block, the bottom of a screw cap positioned at the bottom below the supporting block is inclined and is consistent with the inclination of the inclined surface of the shaft neck at the end part of the universal coupling roller, and a hole through which the adjusting screw penetrates is a long hole and extends to one side of the supporting block; an adjusting nut is arranged below the pre-tightening ring at the top end of the adjusting screw;
The positioning tool comprises two taper screws;
The installation method comprises the following steps:
Sleeving the end part of the universal coupling roller on the main driving roller, and abutting the bottom of a supporting block of an adjusting tool and the bottom nut of an adjusting screw on the inclined surface of the shaft neck of the end part of the universal coupling roller, wherein the short end of the bottom of the supporting block is positioned at the inner side of the adjusting screw, and the adjusting screw is positioned at the inner side of the long end of the bottom of the supporting block; the height of a pre-tightening ring of the adjusting tool is adjusted to enable the pre-tightening ring to be abutted against the end face of the universal joint so as to fix the end part of the universal joint roller, the universal joint and the end part of the shaft; the hydraulic power cylinder is connected with a connecting arm with a clamping groove at the tail end, a clamping hook of the roll changing trolley is clamped in the clamping groove of the connecting arm, and the hydraulic power cylinder stretches to drive the connecting arm to move so as to drive the roll changing trolley to move, and the main driving roller and the universal coupling are positioned; and then, connecting the end flange of the universal coupling and the end flange of the main shaft by using a positioning tool, respectively inserting a taper screw into holes on the left side and the right side of the end flange of the universal coupling and the end flange of the main shaft so as to realize concentric positioning of the two flanges with larger concentricity deviation, and fastening the two flanges and tensioning the flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318120.0A CN114700370B (en) | 2022-03-29 | 2022-03-29 | Rapid installation method of universal coupling of heavy and medium plate mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318120.0A CN114700370B (en) | 2022-03-29 | 2022-03-29 | Rapid installation method of universal coupling of heavy and medium plate mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114700370A CN114700370A (en) | 2022-07-05 |
| CN114700370B true CN114700370B (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210318120.0A Active CN114700370B (en) | 2022-03-29 | 2022-03-29 | Rapid installation method of universal coupling of heavy and medium plate mill |
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| Country | Link |
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| CN (1) | CN114700370B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4333319A (en) * | 1979-07-03 | 1982-06-08 | Gelenkwellenbau Gmbh | Universal joint assembly |
| CN201711351U (en) * | 2010-06-18 | 2011-01-19 | 宝山钢铁股份有限公司 | Cross universal joint of main transmission shaft of heavy plate mill |
| CN202943080U (en) * | 2012-05-30 | 2013-05-22 | 武汉钢铁(集团)公司 | Position adjusting device for rolling mill transmission shaft cross bag connecting flange |
| CN203432750U (en) * | 2013-07-05 | 2014-02-12 | 资阳南车传动有限公司 | Dynamic balance unit for cross universal coupling |
| CN203578369U (en) * | 2013-11-11 | 2014-05-07 | 内蒙古包钢钢联股份有限公司 | Axial positioning device for horizontal rolling mill coupler |
| TWM521694U (en) * | 2015-11-19 | 2016-05-11 | China Steel Corp | Adjusting holder |
| CN105689401A (en) * | 2016-04-08 | 2016-06-22 | 宁波大学 | Integrated cross wedge rolling mill driven by hydraulic motor |
| CN205518991U (en) * | 2016-04-21 | 2016-08-31 | 新兴铸管股份有限公司 | Universal joint and stock reinforcing bar mill |
| CN206051276U (en) * | 2016-08-29 | 2017-03-29 | 宝山钢铁股份有限公司 | A kind of universal shaft moving device of vertical roll of rolling main transmission |
| CN211967352U (en) * | 2019-12-26 | 2020-11-20 | 山东朝阳轴承有限公司 | Main bearing detacher |
| CN112024609A (en) * | 2019-06-04 | 2020-12-04 | 上海梅山钢铁股份有限公司 | Method for rapidly replacing transmission shaft of cold rolling mill |
| CN215318448U (en) * | 2021-08-03 | 2021-12-28 | 淄柴机器有限公司 | Automatically controlled pump shaft end flange dismounting device |
| CN217222968U (en) * | 2022-03-29 | 2022-08-19 | 柳州钢铁股份有限公司 | Quick mounting tool for universal coupling of heavy and medium plate mill |
-
2022
- 2022-03-29 CN CN202210318120.0A patent/CN114700370B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4333319A (en) * | 1979-07-03 | 1982-06-08 | Gelenkwellenbau Gmbh | Universal joint assembly |
| CN201711351U (en) * | 2010-06-18 | 2011-01-19 | 宝山钢铁股份有限公司 | Cross universal joint of main transmission shaft of heavy plate mill |
| CN202943080U (en) * | 2012-05-30 | 2013-05-22 | 武汉钢铁(集团)公司 | Position adjusting device for rolling mill transmission shaft cross bag connecting flange |
| CN203432750U (en) * | 2013-07-05 | 2014-02-12 | 资阳南车传动有限公司 | Dynamic balance unit for cross universal coupling |
| CN203578369U (en) * | 2013-11-11 | 2014-05-07 | 内蒙古包钢钢联股份有限公司 | Axial positioning device for horizontal rolling mill coupler |
| TWM521694U (en) * | 2015-11-19 | 2016-05-11 | China Steel Corp | Adjusting holder |
| CN105689401A (en) * | 2016-04-08 | 2016-06-22 | 宁波大学 | Integrated cross wedge rolling mill driven by hydraulic motor |
| CN205518991U (en) * | 2016-04-21 | 2016-08-31 | 新兴铸管股份有限公司 | Universal joint and stock reinforcing bar mill |
| CN206051276U (en) * | 2016-08-29 | 2017-03-29 | 宝山钢铁股份有限公司 | A kind of universal shaft moving device of vertical roll of rolling main transmission |
| CN112024609A (en) * | 2019-06-04 | 2020-12-04 | 上海梅山钢铁股份有限公司 | Method for rapidly replacing transmission shaft of cold rolling mill |
| CN211967352U (en) * | 2019-12-26 | 2020-11-20 | 山东朝阳轴承有限公司 | Main bearing detacher |
| CN215318448U (en) * | 2021-08-03 | 2021-12-28 | 淄柴机器有限公司 | Automatically controlled pump shaft end flange dismounting device |
| CN217222968U (en) * | 2022-03-29 | 2022-08-19 | 柳州钢铁股份有限公司 | Quick mounting tool for universal coupling of heavy and medium plate mill |
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|---|---|
| CN114700370A (en) | 2022-07-05 |
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