CN218487671U - Quick dismounting device of straightener roller system bearing - Google Patents
Quick dismounting device of straightener roller system bearing Download PDFInfo
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- CN218487671U CN218487671U CN202222488631.5U CN202222488631U CN218487671U CN 218487671 U CN218487671 U CN 218487671U CN 202222488631 U CN202222488631 U CN 202222488631U CN 218487671 U CN218487671 U CN 218487671U
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Abstract
The utility model relates to a quick dismounting device of straightening machine roller system bearing belongs to metallurgical industry equipment maintenance technical field. Including two chucks, gallows, weight carrier, two jacks, fixed plate (1), mounting panel (2), counter weight (10), the chuck includes bottom plate (3), jack catch (4), four corner positions at bottom plate (3) are fixed to four jack catch (4) symmetries, the central point of bottom plate (3) puts and is provided with work hole (5), the perpendicular fixed connection in the top of bottom plate (3) of a chuck in the bottom of gallows, the parallel perpendicular fixed connection in the top of bottom plate (3) of another chuck in the opposite side of two extension boards (7), two jacks (9) are fixed connection respectively on gallows, weight carrier, both sides at counter weight load board (8) are assembled to counter weight (10) symmetry. The device of the utility model has the advantages of reasonable design, convenient operation. The maintenance efficiency of the equipment is improved, the safety of the constructors is guaranteed, the labor intensity is reduced, and the service life of the equipment is prolonged.
Description
Technical Field
The utility model relates to a quick dismounting device of straightening machine roller system bearing belongs to metallurgical industry equipment maintenance technical field.
Background
The straightening machine for the steel rolling process of the metallurgical enterprise is divided into an upper roll system and a lower roll system, each roll system is provided with 32 supporting rolls, 64 supporting rolls are counted, 128 disc bearings are arranged, in the process of repairing the lower roll system, the 64 supporting rolls and the 128 disc bearings need to be completely disassembled and disassembled, measurement, inspection and replacement are carried out, the bearings and the rolls are in interference fit with each other in a base hole mode, the bearings are disassembled through hydraulic pressure, flame heating and sledgehammer striking are carried out on the bearings at any time in the disassembling process, the organizational performance and abrasion of the bearings and the shafts are seriously influenced, and the service life of equipment is shortened. And if necessary, a stroking frame is required to be manufactured, the lifting jack is utilized to disassemble, and a large amount of manual work time is required for each maintenance. Because a large amount of bearings need to be disassembled and the bearings are manually disassembled, the disassembly process is unsafe, time and labor are wasted, and the equipment is seriously damaged by hitting objects in the disassembly process. Therefore, the quick dismounting device for the roller bearing of the straightening machine needs to be designed, the bearing can be dismounted bidirectionally and quickly, the working efficiency is improved, the dismounting damage to the bearing is reduced, and the service life of the bearing is prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a quick dismounting device of straightening machine roller system bearing can carry out two-way quick dismantlement to the bearing, improves work efficiency, reduces the dismantlement harm to the bearing simultaneously, promotes the life of bearing.
The technical scheme of the utility model is that:
the utility model provides a quick dismounting device of straightener roller system bearing, includes two chucks, gallows, counter weight frame, two jacks, fixed plate, mounting panel, counter weight, the chuck includes bottom plate, jack catch, the bottom plate is square steel sheet, the jack catch is L shaped steel structure plane coupler body, and four jack symmetries are fixed at the four corners position of bottom plate, and the central point of bottom plate puts and is provided with the work hole, the gallows is a few font steel structural framework, and the gallows top is the cell type, and middle part vertical fixation has the lifting handle, the perpendicular fixed connection in the top of the bottom plate of a chuck in bottom of gallows, the counter weight frame is the steel sheet structure, by the parallel perpendicular fixed connection of two extension boards on a counter weight load board, the parallel perpendicular fixed connection in the top of the bottom plate of another chuck of two extension boards, fixed plate, mounting panel are the same quadrangle steel sheet of shape, and four end angle positions are provided with the screw hole, and a fixed plate fixed connection is at the inboard central point of gallows top roof beam, and a fixed plate fixed connection is at the inboard central point of the counter weight load board of the gallows, two mounting panels respectively at the both sides of two jacks of the symmetrical assembly of metal hanger, counter weight block.
According to the quick dismounting device for the roller system bearing of the straightener, the reinforcing ribs are arranged on the outer sides of the clamping jaws.
According to the quick dismounting device for the roller bearing of the straightening machine, the side length of the bottom plate is 380-420 mm, and the thickness of the bottom plate is 28-32 mm.
The diameter of the working hole of the quick dismounting device for the roller bearing of the straightener is 150-180 mm.
The straightener roll system bearing quick dismounting device has the advantages that the distance from the hook plane of the claw to the base plate is 130-140 mm.
The utility model has the advantages that: the device of the utility model has the advantages of reasonable design, convenient operation. Can dismantle backing roll both ends bearing simultaneously, need not repeated dismantlement and smooth out the frame and erect the jack, reduce the wearing and tearing to bearing and bearing position simultaneously, improve equipment maintenance efficiency, can ensure constructor safety, reduce maintainer intensity of labour, reduce the loss to equipment, extension equipment life.
Drawings
FIG. 1 is a schematic view of a chuck and a hanger of the device of the present invention;
FIG. 2 is a schematic view of the chuck and the weight holder of the device of the present invention;
FIG. 3 is a schematic view of the device of the present invention in use;
the labels in the figure are: the device comprises a fixed plate 1, a mounting plate 2, a bottom plate 3, a clamping jaw 4, a working hole 5, a hanging handle 6, a support plate 7, a balance weight stretcher plate 8, a jack 9, a balance weight 10, a reinforcing rib 11, a support roller 12, an upper bearing end cover 13 and a lower bearing end cover 14.
Detailed Description
The invention will be further described by way of example with reference to the accompanying drawings.
Referring to the attached drawing, a quick dismounting device of straightener roller system bearing, includes two chucks, gallows, counter weight frame, two jacks, fixed plate 1, mounting panel 2, counter weight 10, the chuck includes bottom plate 3, jack catch 4, bottom plate 3 is square steel sheet, jack catch 4 is L shaped steel structure plane hook body, and four corners position at bottom plate 3 is fixed to four jack catch 4 symmetries, the hook plane of jack catch 4 is 138 millimeters to the distance of bottom plate 3, the outside of jack catch 4 is provided with strengthening rib 11. The central position of bottom plate 3 is provided with work hole 5, the diameter of work hole 5 is 160 millimeters. The gallows is a few font steel construction frames, and the gallows top is the cell type, and middle part vertical fixation has lifting handle 6, the perpendicular fixed connection in the top of the bottom plate 3 of a chuck in the bottom of gallows, the counterweight frame is steel sheet structure, by two parallel perpendicular fixed connection of extension board 7 on a counter weight load carrying plate 8, the parallel perpendicular fixed connection in the top of the bottom plate 3 of another chuck in the opposite side of two extension boards 7, fixed plate 1, mounting panel 2 are the same quadrangle steel sheet of shape, and four end angle positions are provided with the screw hole, and a fixed plate 1 fixed connection is at the inboard center part of gallows top roof beam, and a fixed plate 1 fixed connection is at the inboard center part of the counterweight load carrying plate 8 of counterweight frame, two mounting panel 2 fixed connection are respectively at the stiff end of two jacks 9, through the bolt with two mounting panel 2 respectively with gallows, the fixed plate 1 fastening connection on the counterweight load carrying frame, with two jacks 9 respectively fixed connection on counterweight load carrying frame, counterweight 10 is the metal block, symmetrical assembly is in the both sides of counterweight load carrying plate 8. The side length of the bottom plate 3 is 400 mm, and the thickness is 30 mm.
Maintaining the lower roller system of the straightener, when quickly disassembling the roller system bearing of the straightener, using a single-arm crane to hoist the hanger and the chuck, stably moving the hanger and the chuck to the bearing position of the supporting roller 12, slowly moving the chuck 4 to the position below the end cover 13 of the upper bearing, adjusting the positions of the end cover and the chuck 4 to enable the end cover and the chuck to evenly and firmly clamp the end cover 13 of the upper bearing, and then slowly hoisting to enable the end cover 13 of the upper bearing to be gradually stressed to hoist the whole supporting roller 12.
The supporting roller 12 is slowly moved into another chuck, the lower bearing end cover 14 is slowly moved into the clamping jaws 4, the positions of the bearing end cover 14 and the clamping jaws are adjusted to enable the bearing end cover 14 to be evenly and firmly clamped, then the bearing end cover is slowly lifted, the stability is observed, and if the bearing end cover is not stable, the balance weight 10 is added or reduced to adjust the balance weight so that the bearing end cover is balanced.
The chuck at the lower part is lifted to the 200-high position away from the ground, and a rubber plate is laid below the chuck, so that the impact force is relieved and the noise is reduced. And (3) connecting the pressurizing oil pipe joint with the pressurizing holes (in threaded connection) of the upper roll center and the lower roll center of the supporting roll 12, starting the pressurizing pump to pressurize, and enabling the bearing to automatically fall off through the balance weight 10 and the self weight of the roll body. Through the oil gas suppress, can reduce the equipment friction at the dismantlement in-process, reduce the equipment loss, can realize quick, two-way dismantlement simultaneously.
When the abrasion between the bearing and the roller diameter is serious in the using process, the pressure relief condition of the pressing system is caused, the pressing effect is lost, the pressing joint can be disassembled, the jack 9 above or below is started, and the bearing is mechanically disassembled. If the upper and lower bearing pressing systems fail simultaneously, the lower jack 9 is started firstly, the lower chuck is used as a support, the lower bearing is manually and mechanically removed through the stress point of the roller shaft, the upper jack 9 is started, the upper chuck is used as a support, the stress point of the roller shaft is manually and mechanically removed through the upper bearing. And if only one end of the upper pressing system or the lower pressing system fails, the jack 9 at the corresponding end is started automatically, and the manual mechanical dismantling is carried out. The jack 9 ensures that the disassembly work of the roller bearing can be continuously completed through a manual mechanical disassembly method when the pressing system fails, and the normal maintenance of the equipment is ensured.
The device of the utility model has the advantages of reasonable design, convenient operation. Can dismantle backing roll both ends bearing simultaneously, need not repeated dismantlement and smooth out the frame and erect the jack, reduce the wearing and tearing to bearing and bearing position simultaneously, improve equipment maintenance efficiency, can ensure constructor safety, reduce maintainer intensity of labour, reduce the loss to equipment, extension equipment life.
Claims (5)
1. The utility model provides a quick dismounting device of straightener roller system bearing, characterized by includes two chucks, gallows, counter weight frame, two jacks, fixed plate (1), mounting panel (2), counter weight (10), the chuck includes bottom plate (3), jack catch (4), bottom plate (3) are square steel sheet, jack catch (4) are L shaped steel structure plane coupler body, and four jack catch (4) symmetry are fixed at the four corners position of bottom plate (3), and the central point of bottom plate (3) puts and is provided with work hole (5), the gallows is nearly font steel structural framework, and the gallows top is the cell type, and middle part vertical fixation has lifting handle (6), the perpendicular fixed connection in the top of bottom plate (3) of a chuck of bottom of gallows, the counter weight frame is the steel sheet structure, by two parallel perpendicular fixed connection of extension board (7) on a counter weight load board (8), the parallel perpendicular fixed connection in the top of bottom plate (3) of another chuck of opposite side of two extension board (7), fixed plate (1), mounting panel (2) are the steel sheet that the shape is the same, and four end angle positions are provided with the screw hole, and fixed connection is in the inboard fixed connection of a fixed plate (9) of a fixed plate (1) of a fixed plate (9) of a quadrilateral steel sheet, two inboard fixed plate (9) of the gallows fixed plate (9), the two mounting plates (2) are respectively fastened and connected with the fixed plates (1) fixed on the hanger and the counterweight frame through bolts, the two jacks (9) are respectively fixedly connected on the hanger and the counterweight frame, the counterweight (10) is a metal block and is symmetrically assembled on two sides of the counterweight load bearing plate (8).
2. The quick dismounting device for the roller system bearing of the straightening machine according to claim 1, characterized in that a reinforcing rib (11) is arranged outside the clamping jaw (4).
3. The quick dismounting device of the roller system bearing of the straightening machine as claimed in claim 1, characterized in that the side length of the bottom plate (3) is 380-420 mm, and the thickness is 28-32 mm.
4. The straightener roll system bearing quick dismounting device according to claim 1, characterized in that the diameter of the working hole (5) is 150-180 mm.
5. The quick dismounting device for the roller system bearing of the straightening machine according to claim 1, characterized in that the distance between the hook plane of the claw (4) and the bottom plate (3) is 130-140 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222488631.5U CN218487671U (en) | 2022-09-20 | 2022-09-20 | Quick dismounting device of straightener roller system bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222488631.5U CN218487671U (en) | 2022-09-20 | 2022-09-20 | Quick dismounting device of straightener roller system bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218487671U true CN218487671U (en) | 2023-02-17 |
Family
ID=85191128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222488631.5U Active CN218487671U (en) | 2022-09-20 | 2022-09-20 | Quick dismounting device of straightener roller system bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218487671U (en) |
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2022
- 2022-09-20 CN CN202222488631.5U patent/CN218487671U/en active Active
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