CN216298496U - Dismounting device for roll bearing of steel rolling mill - Google Patents
Dismounting device for roll bearing of steel rolling mill Download PDFInfo
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- CN216298496U CN216298496U CN202122284700.6U CN202122284700U CN216298496U CN 216298496 U CN216298496 U CN 216298496U CN 202122284700 U CN202122284700 U CN 202122284700U CN 216298496 U CN216298496 U CN 216298496U
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- dismounting
- supporting part
- mounting
- clamping
- shaped plate
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Abstract
The utility model belongs to the technical field of roll bearings, and provides a roll bearing dismounting device in a steel rolling mill, which comprises a dismounting table, a first supporting part, a second supporting part, a clamping part and a dismounting pushing device, wherein the first supporting part is arranged on the dismounting table in a lifting manner; the second supporting part is positioned on one side of the first supporting part and is arranged on the dismounting table in a lifting manner; the clamping part is positioned between the first supporting part and the second supporting part and comprises two clamping components which are arranged on the dismounting table in an opposite or opposite sliding manner; the dismounting pushing device is positioned on one side of the second supporting part far away from the first supporting part, and is arranged on the dismounting table in a sliding mode along the direction close to or far away from the second supporting part. Through the technical scheme, the problems of difficulty in disassembly and assembly and poor practicability are solved.
Description
Technical Field
The utility model relates to the technical field of roller bearings, in particular to a roller bearing dismounting device in a steel rolling mill.
Background
The rollers are relatively precise shafts arranged on the shafts, and most rollers are provided with bearings, generally 2 series bearings, tapered roller bearings, piercer rollers, tube mill rollers and sizing and reducing mill rollers. The inside bearing needs to be changed after the roll is used for a long time, and the current dismouting roller bearing device is difficult to realize carrying out effectual location dismantlement to the roll because location structure is comparatively single to it is comparatively difficult to make the bearing follow the dismouting of roll tip, and difficult regulation moreover, flexibility and practicality are poor.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a device for disassembling and assembling a roller bearing in a steel rolling mill, which aims to solve the problems of difficult disassembly and assembly and poor practicability.
In order to solve the technical problems, the utility model adopts the technical scheme that:
a device for dismounting a roll bearing in a steel rolling mill comprises:
a disassembling and assembling table;
the first supporting part is arranged on the dismounting table in a lifting manner;
the second supporting part is positioned on one side of the first supporting part and is arranged on the dismounting table in a lifting mode;
the clamping part is positioned between the first supporting part and the second supporting part and comprises two clamping components, and the two clamping components are arranged on the dismounting table in an opposite or opposite sliding manner;
dismantle thrust unit, dismantle thrust unit and be located the second supporting part is kept away from one side of first supporting part, and along being close to or keeping away from the direction of second supporting part slides and sets up the dismouting bench.
As a further technical scheme, first supporting part goes up and down to set up through first elevating gear on the dismouting platform, first elevating gear includes:
two racks are arranged at the bottom of the first supporting part oppositely along the vertical direction;
the driving gear is positioned between the two racks, is rotatably arranged on the dismounting table and is meshed with one of the racks;
and the driven gear is rotatably arranged on the dismounting table and is meshed with the driving gear and the other rack.
As a further technical solution, the second supporting portion is disposed on the mounting/dismounting table in an ascending/descending manner by a second ascending/descending device, and the second ascending/descending device includes:
the mounting frame is fixed on the dismounting table and is positioned below the second supporting part;
the first wedge-shaped plate is arranged in the mounting frame in a lifting mode, the top of the first wedge-shaped plate is connected with the second supporting portion, and a first inclined plane is arranged at the bottom of the first wedge-shaped plate;
the second wedge-shaped plate is arranged on the dismounting and mounting table in a sliding mode and penetrates through the mounting frame in a transverse sliding mode, a second inclined surface is arranged at the top of the second wedge-shaped plate, and the second inclined surface is abutted to the first inclined surface;
the cylinder is arranged on the dismounting table, and a piston rod of the cylinder is connected with the second wedge-shaped plate.
As a further technical solution, the two clamping assemblies are arranged on the dismounting table by a first adjusting device in a sliding manner in opposite directions, and the first adjusting device comprises:
the adjusting rod is transversely and rotatably arranged at the bottom of the dismounting table, and threads with opposite rotation directions are arranged on the side surfaces of the two ends of the adjusting rod;
the first moving blocks are arranged at two ends of the adjusting rod respectively in a threaded moving mode, two strip-shaped holes arranged in the length direction are formed in the disassembling and assembling table, and the two first moving blocks penetrate through the two strip-shaped holes respectively in a moving mode and are connected with the two clamping assemblies respectively.
As a further technical solution, the clamping assembly comprises:
the moving seat is arranged on the dismounting table in a sliding mode, and the bottom of the moving seat is connected with the first moving block;
the connecting seat is arranged on the moving seat;
the clamping plate is an arc-shaped plate, the clamping plate is arranged on the connecting seat, and the clamping plates of the two clamping assemblies are oppositely arranged.
As a further technical scheme, a rubber pad is arranged on the inner surface of the clamping plate.
As a further technical solution, the detachment pushing device includes:
the mounting seat is arranged on the dismounting table in a sliding mode along the direction close to or far away from the second supporting part;
the hydraulic cylinder is arranged on the mounting seat;
the limiting claw is an arc-shaped plate and is arranged along the circumferential direction of the cylinder body of the hydraulic cylinder in a surrounding mode, one end of the limiting claw is fixed to the cylinder body of the hydraulic cylinder, and the other end of the limiting claw extends towards the direction close to the second supporting portion.
The utility model has the beneficial effects that:
the roller dismounting device is simple in structure, supports the roller through the first supporting portion and the second supporting portion, clamps the roller through the two clamping assemblies, and pushes out the bearing in the roller through the dismounting pushing device, so that dismounting operation is completed.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of a second lifting device according to the present invention;
FIG. 4 is a schematic perspective view of a first adjustment device according to the present invention;
fig. 5 is a schematic bottom view of the present invention.
Description of the reference numerals
1. The dismounting and mounting table comprises a dismounting and mounting table body, 2, a first supporting portion, 3, a second supporting portion, 4, a clamping portion, 41, a clamping assembly, 411, a moving seat, 412, a connecting seat, 413, a clamping plate, 5, a dismounting and pushing device, 51, a mounting seat, 52, a hydraulic cylinder, 53, a limiting claw, 6, a first lifting device, 61, a rack, 62, a driving gear, 63, a driven gear, 7, a second lifting device, 71, a mounting frame, 72, a first wedge-shaped plate, 720, a first inclined plane, 73, a second wedge-shaped plate, 730, a second inclined plane, 74, a cylinder, 8, a first adjusting device, 81, an adjusting rod, 82, a first moving block, 83, a strip-shaped hole, 9, a rubber pad, 10, a limiting abutting plate, 11, a through hole, 12 and a screw rod.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1-5, the present invention provides a device for dismounting a rolling bearing in a steel rolling mill, which mainly comprises a dismounting table 1, a first supporting portion 2, a second supporting portion 3, a clamping portion 4, and a dismounting pushing device 5.
The disassembly and assembly table 1 is vertically provided with a limiting abutting plate 10, the limiting abutting plate 10 is positioned on one side, away from the second supporting part 3, of the first supporting part 2, a through hole 11 is formed in the limiting abutting plate 10, the first supporting part 2 is arranged on the limiting abutting plate 10 in a lifting mode through a first lifting device 6 and is positioned below the through hole 11, the first lifting device 6 comprises two racks 61, driving gears 62 and driven gears 63, the two racks 61 are arranged at the bottom of the first supporting part 2 in the vertical direction oppositely, and are arranged on the limiting abutting plate 10 in a sliding mode, the driving gears 62 are positioned between the two racks 61, are arranged on the limiting abutting plate 10 in a rotating mode and are meshed with one of the racks 61, and the driven gears 63 are arranged on the limiting abutting plate 10 in a rotating mode and are meshed with the driving gears 62 and the other rack 61;
the second supporting part 3 is positioned at one side of the first supporting part 2 and is arranged on the dismounting table 1 in a lifting way through a second lifting device 7, the second lifting device 7 comprises an installation frame 71, a first wedge-shaped plate 72, a second wedge-shaped plate 73 and an air cylinder 74, the installation frame 71 is fixed on the dismounting table 1 and is positioned below the second supporting part 3, the first wedge-shaped plate 72 is arranged in the installation frame 71 in a lifting way, the top of the first wedge-shaped plate 72 is connected with the second supporting part 3, the bottom of the first wedge-shaped plate is provided with a first inclined surface 720, the second wedge-shaped plate 73 is arranged on the dismounting table 1 in a sliding way and penetrates through the installation frame 71 in a transverse sliding way, the top of the second wedge-shaped plate 73 is provided with a second inclined surface 730, the second inclined surface 730 is abutted to the first inclined surface 720, the air cylinder 74 is arranged on the dismounting table 1, and a piston rod of the second wedge-shaped plate 73 is connected;
the clamping part 4 is positioned between the first supporting part 2 and the second supporting part 3, the clamping part 4 comprises two clamping components 41, the two clamping components 41 are oppositely or oppositely arranged on the dismounting table 1 in a sliding manner, the clamping components 41 comprise a moving seat 411, a connecting seat 412 and a clamping plate 413, the moving seat 411 is arranged on the dismounting table 1 in a sliding manner, the bottom of the moving seat 411 is connected with the first moving block 82, the connecting seat 412 is arranged on the moving seat 411, the clamping plate 413 is an arc-shaped plate, the clamping plate 413 is arranged on the connecting seat 412, and the clamping plates 413 of the two clamping components 41 are oppositely arranged;
the two clamping assemblies 41 are arranged on the dismounting table 1 in an opposite or opposite sliding mode through a first adjusting device 8, the first adjusting device 8 comprises an adjusting rod 81 and two first moving blocks 82, the adjusting rod 81 is arranged at the bottom of the dismounting table 1 in a transverse rotating mode through a motor, threads with opposite rotating directions are arranged on the side surfaces of the two ends of the adjusting rod 81, the two first moving blocks 82 are arranged at the two ends of the adjusting rod 81 respectively in a moving mode through the threads, the dismounting table 1 is provided with two strip-shaped holes 83 arrayed in the length direction, and the two first moving blocks 82 are arranged in the two strip-shaped holes 83 in a moving mode respectively and connected with the two clamping assemblies 41 respectively; the inner surface of the clamping plate 413 is provided with a rubber pad 9;
In the dismounting process of the embodiment, the roller is firstly placed on the first supporting part 2 and the second supporting part 3, one end of the roller is abutted to the limiting abutting plate 10, then the heights of the first supporting part 2 and the second supporting part 3 are adjusted, the inner diameter axes of the roller on the first supporting part 2 and the second supporting part 3 are overlapped with the central axes of the through hole 11 and the telescopic rod of the hydraulic cylinder 52, the condition that the roller cannot be overlapped with the central axes of the through hole 11 and the telescopic rod of the hydraulic cylinder 52 due to the outer diameter deviation of the roller is avoided, the bearing dismounting effect is poor and even the roller and the hydraulic cylinder 52 are damaged is caused, after the height of the roller is adjusted, the motor drives the adjusting rod 81 to rotate, the threads at the two ends of the adjusting rod 81 drive the first moving blocks 82 at the two ends to move in the strip-shaped hole 83 oppositely, so as to drive the two moving seats 411 to slide oppositely, and clamp and lock the two clamping plates 413 from the two sides of the roller, then the mounting seat 51 slides towards the direction close to the roller through the screw rod 12, drives the hydraulic cylinder 52 and the limiting claw 53 on the mounting seat to move towards the direction close to the roller, so that the limiting claw 53 is sleeved outside the roller from one end of the roller, at the moment, the hydraulic cylinder 52 is started, the telescopic rod of the hydraulic cylinder 52 extends into the roller, and the bearing in the roller is pushed out from the other end of the roller, so that the bearing is dismounted. The limiting claw 53 can be made of elastic materials, so that the roller is suitable for rollers with different diameters, and the damage to the outer wall of the roller is avoided; the setting of the inside rubber pad 9 of splint 413 is favorable to increasing frictional force on the one hand, plays the cushioning effect simultaneously, avoids splint 413 and roll outer wall direct contact to cause the damage, and on the other hand also can be suitable for the roll without diameter size, can all press from both sides tight locking, the good reliability to the roll without diameter size.
When a new bearing needs to be replaced, under the condition that the roller is clamped and locked according to the clamping step, the mounting seat 51 slides towards the direction away from the roller through the screw rod 12, the hydraulic cylinder 52 and the limiting claw 53 on the mounting seat are driven to move towards the direction away from the roller, then the two ends of the bearing are respectively attached to the inner ring of the roller and one end of the telescopic rod of the hydraulic cylinder 52, and the bearing is pushed into the roller through the hydraulic cylinder 52, so that the mounting is completed.
The lift adjustment process of the first supporting part 2 is as follows: the driving motor drives the driving gear 62 to rotate, the driving gear 62 drives the driven gear 63 to rotate, the driving gear 62 and the driven gear 63 jointly drive the two racks 61 to slide in the same direction or in the opposite direction, and therefore the first supporting portion 2 is driven to lift and adjust.
The lift adjustment process of the second support 3 is: starting the air cylinder 74, wherein a piston rod of the air cylinder 74 drives the second wedge-shaped plate 73 to slide in the mounting frame 71 along the transverse direction, so that the second inclined surface 730 pushes the first inclined surface 720, and the first wedge-shaped block slides upwards along the mounting frame 71 to realize ascending; the piston rod of the cylinder 74 drives the second wedge-shaped plate 73 to slide in the mounting frame 71 in the transverse direction, so that the first inclined surface 720 is separated from the second inclined surface 730 to push the first wedge-shaped block to slide downwards along the mounting frame 71, and the descending adjustment is completed.
The foregoing description is only of the preferred embodiments of the present invention, and it should be understood that the described embodiments are only a few, and not all, of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a steel mill roll bearing dismouting device which characterized in that includes:
a dismounting table (1);
the first supporting part (2), the first supporting part (2) is arranged on the dismounting table (1) in a lifting mode;
the second supporting part (3) is positioned on one side of the first supporting part (2), and is arranged on the dismounting table (1) in a lifting mode;
the clamping part (4) is positioned between the first supporting part (2) and the second supporting part (3), the clamping part (4) comprises two clamping components (41), and the two clamping components (41) are arranged on the dismounting table (1) in an opposite or opposite sliding mode;
dismantle thrust unit (5), dismantle thrust unit (5) and be located second supporting part (3) are kept away from one side of first supporting part (2), and along being close to or keeping away from the direction of second supporting part (3) slides and sets up on dismouting platform (1).
2. A device for dismounting and mounting a rolling bearing of a steel mill according to claim 1, characterized in that said first supporting portion (2) is arranged on said dismounting and mounting table (1) by means of a first lifting and lowering means (6), said first lifting and lowering means (6) comprising:
two racks (61), wherein the two racks (61) are oppositely arranged at the bottom of the first supporting part (2) along the vertical direction;
the driving gear (62) is positioned between the two racks (61), is rotatably arranged on the disassembling and assembling table (1), and is meshed with one rack (61);
the driven gear (63) is rotatably arranged on the dismounting table (1) and is meshed with the driving gear (62) and the other rack (61).
3. A device for dismounting and mounting a rolling bearing of a steel mill according to claim 1, characterized in that said second support (3) is arranged on said dismounting and mounting table (1) by means of a second lifting and lowering means (7), said second lifting and lowering means (7) comprising:
the mounting frame (71), the mounting frame (71) is fixed on the dismounting table (1) and is positioned below the second supporting part (3);
the first wedge-shaped plate (72) is arranged in the mounting frame (71) in a lifting mode, the top of the first wedge-shaped plate (72) is connected with the second supporting portion (3), and a first inclined surface (720) is arranged at the bottom of the first wedge-shaped plate;
the second wedge-shaped plate (73) is arranged on the dismounting table (1) in a sliding mode and penetrates through the mounting frame (71) along the transverse sliding mode, a second inclined surface (730) is arranged at the top of the second wedge-shaped plate (73), and the second inclined surface (730) is abutted to the first inclined surface (720);
the air cylinder (74) is arranged on the dismounting table (1), and a piston rod of the air cylinder (74) is connected with the second wedge-shaped plate (73).
4. A device for dismounting and mounting a rolling bearing of a steel mill according to claim 1, characterized in that two said gripping assemblies (41) are slidingly arranged on said dismounting and mounting table (1) towards or away from each other by means of a first adjusting device (8), said first adjusting device (8) comprising:
the adjusting rod (81) is arranged at the bottom of the dismounting table (1) in a transverse rotating mode, and threads with opposite rotating directions are arranged on the side surfaces of the two ends of the adjusting rod (81);
the number of the first moving blocks (82) is two, the first moving blocks (82) are respectively arranged at two ends of the adjusting rod (81) through thread movement, two strip-shaped holes (83) arranged along the length direction are formed in the dismounting table (1), and the two first moving blocks (82) are respectively arranged in the two strip-shaped holes (83) in a moving and penetrating mode and are respectively connected with the two clamping assemblies (41).
5. A device for dismounting and mounting a rolling bearing of a steel mill according to claim 4, characterized in that said clamping assembly (41) comprises:
the moving seat (411) is arranged on the dismounting table (1) in a sliding mode, and the bottom of the moving seat (411) is connected with the first moving block (82);
a connecting seat (412), the connecting seat (412) being disposed on the moving seat (411);
the clamping plate (413) is an arc-shaped plate, the clamping plate (413) is arranged on the connecting seat (412), and the clamping plate (413) of the clamping assembly (41) is arranged oppositely.
6. A device for dismounting a roll bearing in a steel mill according to claim 5, characterized in that said clamping plate (413) is provided with a rubber pad (9) on its inner surface.
7. A device for dismounting and mounting a rolling bearing of a steel mill according to claim 1, characterized in that said dismounting pushing means (5) comprise:
the mounting seat (51) is arranged on the dismounting table (1) in a sliding mode along the direction close to or far away from the second supporting part (3);
a hydraulic cylinder (52), wherein the hydraulic cylinder (52) is arranged on the mounting base (51);
the limiting claw (53) is an arc-shaped plate and is arranged in a plurality of circumferential surrounding modes along the cylinder body of the hydraulic cylinder (52), one end of the limiting claw (53) is fixed on the cylinder body of the hydraulic cylinder (52), and the other end of the limiting claw extends towards the direction close to the second supporting part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122284700.6U CN216298496U (en) | 2021-09-22 | 2021-09-22 | Dismounting device for roll bearing of steel rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122284700.6U CN216298496U (en) | 2021-09-22 | 2021-09-22 | Dismounting device for roll bearing of steel rolling mill |
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| Publication Number | Publication Date |
|---|---|
| CN216298496U true CN216298496U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122284700.6U Active CN216298496U (en) | 2021-09-22 | 2021-09-22 | Dismounting device for roll bearing of steel rolling mill |
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| CN (1) | CN216298496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115386704A (en) * | 2022-08-20 | 2022-11-25 | 山东盛阳金属科技股份有限公司 | TA10 titanium alloy hot continuous rolling coil and pickling process thereof |
-
2021
- 2021-09-22 CN CN202122284700.6U patent/CN216298496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115386704A (en) * | 2022-08-20 | 2022-11-25 | 山东盛阳金属科技股份有限公司 | TA10 titanium alloy hot continuous rolling coil and pickling process thereof |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220809 Address after: South of Xinghonglin Village, Angezhuang Town, Tangshan City, Hebei Province, 063000 Patentee after: TANGSHAN SHENGCAI STEEL Co.,Ltd. Address before: 050000 room 34-113, No. 218, Zhufeng street, high tech Zone, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG SIKAIFU TECHNOLOGY CO.,LTD. |