CN218802043U - Auxiliary hoisting tool for online replacement of medium plate mill pressure head sensor - Google Patents
Auxiliary hoisting tool for online replacement of medium plate mill pressure head sensor Download PDFInfo
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- CN218802043U CN218802043U CN202320086714.3U CN202320086714U CN218802043U CN 218802043 U CN218802043 U CN 218802043U CN 202320086714 U CN202320086714 U CN 202320086714U CN 218802043 U CN218802043 U CN 218802043U
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- mill
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- 238000005096 rolling process Methods 0.000 claims abstract description 25
- 230000003068 static effect Effects 0.000 claims abstract description 19
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000010727 head pressing Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses an auxiliary hoisting tool for changing cut deal mill pressure head sensor on line, including hoisting supporting platform, hoisting supporting platform's main part is the rectangle, and the middle part of rectangle one end is equipped with outside convex layer board platform, and hoisting supporting platform's top surface is equipped with rings, and rings are used for connecting hoisting mechanism in order to realize hoisting supporting platform's lift action, the width of layer board platform is less than the bearing frame plane width of rolling mill backing roll, and the length of layer board platform is superior to the length of bearing frame plane, and layer board platform is used for stretching into the rolling mill from the backing roll top, is equipped with the layer board of a rectangle above the layer board platform, and the width of layer board is less than the diameter of rolling mill static pressure plate, and the four corners department of layer board top surface respectively is equipped with a extension board, is equipped with the through-hole on the extension board, and the through-hole is used for connecting the guide chain in order to drive the layer board lift; adopt the utility model discloses appurtenance can reduce rolling mill pressure head sensor change time within 3 hours from more than 10 hours, has improved the operating efficiency greatly.
Description
Technical Field
The utility model relates to a rolling mill field of maintaining specifically is an auxiliary lifting device for changing cut deal mill pressure head sensor on line.
Background
The medium plate mill pressure head sensor is an important component of mill control, has the main function of detecting rolling force in the steel rolling process, and is mainly characterized by high detection precision and high response speed, and can ensure an important detection element for high-precision control of the absolute AGC roll gap of the medium plate mill.
As shown in fig. 4, the medium plate mill press head is installed at the bottom of the press head box 7, and is difficult to replace due to a complex installation mode, the traditional replacement mode needs to hang out the work roll replacement track, the support roll 11 is lifted out, after the press head box 7 is detached from the screwdown screw, the whole press head box 7 is pulled out by the support roll 11, the press head sensor 9 is replaced after the press head box 7 is turned over on line, the process is tedious in process, and multiple in dismounting equipment, so long-time fixed maintenance time is needed when the press head is replaced each time, if the press head is damaged in the production process, a long-time production interruption accident is caused, and meanwhile, all the rolls in the mill need to be pulled out by the traditional replacement mode, other maintenance contents cannot be carried out for a long time in the mill, and the production and maintenance organization is seriously influenced. In response to this problem, a new and simple method for rapidly replacing the rolling mill ram is needed.
Disclosure of Invention
The utility model aims at solving the change difficulty of heavy and medium plate mill pressure head sensor, it is long to change the time, provides the supplementary lifting device who is used for changing heavy and medium plate mill pressure head sensor on line, realizes directly changing pressure head sensor in the rolling mill on line under the condition of not pulling down the pressure head case.
The utility model has the following concrete scheme: a supplementary lifting device for changing cut deal mill pressure head sensor on line, including hoist and mount supporting platform, hoist and mount supporting platform's main part is the rectangle, and the middle part of rectangle one end is equipped with outside convex layer board platform, and hoist and mount supporting platform's top surface is equipped with rings, and rings are used for connecting hoisting mechanism in order to realize hoist and mount supporting platform's lift action, the width of layer board platform is less than the bearing frame plane width of rolling mill backing roll, and the length of layer board platform is good at the planar length of bearing frame, and the layer board platform is used for stretching into in the rolling mill from the backing roll top, and the layer board of a rectangle is equipped with to layer board platform top, and the width of layer board is less than the diameter of rolling mill static pressure plate, and the four corners department of layer board top surface respectively is equipped with a extension board, is equipped with the through-hole on the extension board, and the through-hole is used for connecting the guide chain in order to drive the layer board lift.
Furthermore, the hoisting support platform is made of a steel plate, the thickness of the steel plate is 80-100mm, and a balancing weight is installed at one end, far away from the rolling mill, of the hoisting support platform.
Furthermore, the supporting plate is provided with a positioning screw hole which is used for connecting and fixing the supporting plate and the static pressure plate so as to prevent the static pressure plate from sliding out of the supporting plate in the lifting process of the supporting plate.
Further, the thickness of the supporting plate is 15-20mm.
The utility model discloses following beneficial effect has: adopt the utility model discloses appurtenance can reduce rolling mill pressure head sensor change time within 3 hours from more than 10 hours, has improved the operating efficiency greatly, has created good condition for production and maintenance organization.
Drawings
FIG. 1 is a schematic view of the working state of the present invention;
FIG. 2 is a front view of the structure of the present invention;
fig. 3 is a side view of the pallet of the present invention;
FIG. 4 is a schematic view of a prior art rolling mill ram location;
in the figure: 1. hoisting a supporting platform; 2. a balancing weight; 3. a hoisting ring; 4. a pallet; 5. a support plate; 6. positioning the screw hole; 7. a head pressing box; 8. a pressure equalizing plate; 9. a ram sensor; 10. a static pressure plate; 11. and (4) supporting the roller.
Detailed Description
Referring to fig. 1-3, the embodiment is an auxiliary hoisting tool for online replacement of a medium and heavy plate mill pressure head sensor, and the auxiliary hoisting tool comprises a hoisting support platform 1, wherein a main body of the hoisting support platform 1 is rectangular, a support plate platform protruding outwards is arranged in the middle of one end of the rectangle, a hoisting ring 3 is arranged on the top surface of the hoisting support platform 1, the hoisting ring 3 is used for connecting a hoisting mechanism to realize the lifting action of the hoisting support platform 1, the width of the support plate platform is smaller than the width of a bearing seat plane of a mill support roller 11, the length of the support plate platform is longer than the length of the bearing seat plane, the support plate platform is used for extending into a mill from the upper side of the support roller 11, a rectangular support plate 4 is arranged above the support plate platform, the width of the support plate 4 is smaller than the diameter of a static pressure mill plate 10, support plates 5 are respectively arranged at four corners of the top surface of the support plate 4, through holes are formed in the support plates 5, and the through holes are used for connecting guide chains to drive the support plate 4 to lift.
Furthermore, the hoisting support platform 1 adopts a steel plate, the size of the steel plate is 80mm × 6000mm × 2200mm (thickness × length × width), a counterweight block 2 is installed at one end, far away from the rolling mill, of the hoisting support platform 1, and the weight of the counterweight block 2 is equivalent to the sum of the weight of the pressure head and the weight of the static pressure plate 10, so that balance is achieved.
Further, the pallet platform has a size of 2000mm × 1120mm (length × width), and the pallet 4 has a size of 20mm × 2000mm × 1750mm (thickness × length × width).
Furthermore, the supporting plate 4 is provided with a positioning screw hole, and the positioning screw hole is used for connecting and fixing the supporting plate 4 and the static pressure plate so as to prevent the static pressure plate from sliding out of the supporting plate 4 in the lifting process of the supporting plate 4.
The operation steps for specifically replacing the rolling mill head sensor by adopting the embodiment are as follows:
1. and pulling out the working roll in the rolling mill, lifting the inlet and outlet guide position device of the rolling mill to the highest position, operating the upper supporting roll balance cylinder to descend, separating the contact surface of the upper part of the supporting roll bearing seat and the pressure head box from the pressure head box, and facilitating the disassembly of the fixed screw of the static pressure plate, wherein the separation distance H is about 600 mm.
2. Lifting a hoisting support platform by a travelling crane, extending a supporting plate platform into a space where a supporting roller bearing seat and a pressure head box are separated, adjusting the height of the hoisting support platform, dropping the supporting plate platform on the supporting roller bearing seat, keeping the platform balanced, hanging guide chains at two ends of the supporting plate, lifting the supporting plate to be tightly attached to the bottom of the pressure head box by the guide chains, inserting an M36 screw at a wire outlet of a pressure head sensor, wherein the screw is used for preventing a uniform pressure plate from dropping out after static pressure disassembly, disassembling static pressure plate fixing screws at the bottom of the pressure head box after the uniform pressure plate above a pressure head stops, operating the guide chains at two ends of the supporting plate to be placed on the hoisting support platform after all the fixing screws of the static pressure plate are disassembled, connecting and fixing the supporting plate and the hoisting support platform by screws, preventing slipping out (the pressure head sensor and the static pressure plate are provided with positioning pins, so that the pressure head sensor does not need to be fixed), and moving out the pressure head sensor after the hoisting support platform is lifted by the travelling crane at a certain height.
3. And after the pressure head is moved out, replacing a new pressure head sensor, sending the new pressure head sensor into the rolling mill by using the same method as that for disassembling the old pressure head sensor, lifting the new pressure head static pressure plate by using a guide chain, adjusting the angle of the supporting plate, installing the new pressure head sensor into the pressure head box, installing a fastening static pressure plate fastening screw, pulling out a pressure equalizing plate stop screw, dropping the supporting plate to a hoisting supporting platform, moving out of the rolling mill together, and operating a supporting roll balance cylinder to ascend until a supporting roll bearing seat is tightly attached to the pressure head box.
Claims (4)
1. A supplementary lifting device for changing heavy and medium plate mill pressure head sensor on line, characterized by: including hoist and mount supporting platform, hoist and mount supporting platform's main part is the rectangle, and the middle part of rectangle one end is equipped with outside convex layer board platform, and hoist and mount supporting platform's top surface is equipped with rings, and rings are used for connecting hoisting mechanism in order to realize hoist and mount supporting platform's lift action, the width of layer board platform is less than the bearing frame plane width of rolling mill backing roll, and the length of layer board platform is good at the planar length of bearing frame, and in the layer board platform was used for stretching into the rolling mill from the backing roll top, the layer board of a rectangle was equipped with above the layer board platform, and the width of layer board is less than the diameter of rolling mill static pressure board, and the four corners department of layer board top surface respectively is equipped with an extension board, is equipped with the through-hole on the extension board, and the through-hole is used for connecting the guide chain in order to drive the layer board lift.
2. The auxiliary lifting tool for on-line replacement of a plate mill indenter sensor of claim 1, wherein: the hoisting support platform is made of a steel plate, the thickness of the steel plate is 80-100mm, and a balancing weight is arranged at one end, far away from the rolling mill, of the hoisting support platform.
3. The auxiliary lifting tool for on-line replacement of a plate mill indenter sensor of claim 1, wherein: the supporting plate is provided with a positioning screw hole which is used for connecting and fixing the supporting plate and the static pressure plate so as to prevent the static pressure plate from sliding out of the supporting plate in the lifting process of the supporting plate.
4. The auxiliary lifting tool for on-line replacement of a plate mill indenter sensor of claim 1, wherein: the thickness of the supporting plate is 15-20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320086714.3U CN218802043U (en) | 2023-01-30 | 2023-01-30 | Auxiliary hoisting tool for online replacement of medium plate mill pressure head sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320086714.3U CN218802043U (en) | 2023-01-30 | 2023-01-30 | Auxiliary hoisting tool for online replacement of medium plate mill pressure head sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218802043U true CN218802043U (en) | 2023-04-07 |
Family
ID=87254788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320086714.3U Active CN218802043U (en) | 2023-01-30 | 2023-01-30 | Auxiliary hoisting tool for online replacement of medium plate mill pressure head sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218802043U (en) |
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2023
- 2023-01-30 CN CN202320086714.3U patent/CN218802043U/en active Active
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