CN218856846U - A dismantle and draw sign indicating number for drying net guide roller bearing - Google Patents
A dismantle and draw sign indicating number for drying net guide roller bearing Download PDFInfo
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- CN218856846U CN218856846U CN202223252613.3U CN202223252613U CN218856846U CN 218856846 U CN218856846 U CN 218856846U CN 202223252613 U CN202223252613 U CN 202223252613U CN 218856846 U CN218856846 U CN 218856846U
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- guide roller
- roller bearing
- rod
- drag hook
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Abstract
The utility model discloses a disassembly pull code for a dry net guide roller bearing, which comprises a cross beam, an adjusting ejector rod, an adjusting pull rod, a drag hook and a rotating base plate, wherein the adjusting ejector rod is in threaded connection with the middle part of the cross beam, and the adjusting pull rod is adjustably arranged at two ends in the cross beam through a locking nut; the end part of the adjusting pull rod is provided with a drag hook, one side of the drag hook is provided with a horizontal hook plate, and the rotating base plate is rotatably arranged at the other side of the drag hook; the drag hook is arranged at the end part of the adjusting pull rod, the horizontal hook plate is arranged on one side of the drag hook, so that the drag hook can be hooked on a retainer in a guide roller bearing of a dry net through the horizontal hook plate, the rotating base plate arranged on the other side of the drag hook is rotated to be clamped with the inner arm of the guide roller bearing of the dry net, the drag hook is clamped on the retainer, and the guide roller bearing of the dry net can be taken out by rotating the adjusting ejector rod; by adopting the technical scheme, the dismounting efficiency of the dry net guide roller bearing is effectively improved, time and labor are saved, and labor cost and production cost are effectively saved.
Description
Technical Field
The utility model relates to a bearing extracting tool technical field, concretely relates to dismantlement is drawn sign indicating number for drying net guide roller bearing.
Background
In the paper machine drying part oven in the paper making industry, a plurality of dry net guide rollers are arranged in the oven, and during daily normal operation of the rollers, bearings of the rollers are influenced by adverse factors such as high temperature, high speed, moisture, paper powder, oil shortage, service life expiration and the like for a long time to cause bearing abnormity, so that new spare bearings need to be replaced.
The bearing replacement can be carried out only by stopping the machine, firstly, a roller with the weight of dozens of tons is hoisted by using a hoist, then an end cover is disassembled, the bearing has the characteristics that the bearing belongs to CABR bearings with axial displacement, and in the further measure, after the bearing is tightly matched and jacked loose by using an oil pump, the whole bearing body is found to be buried in a bearing seat, the inner diameter and the outer diameter of the bearing are embedded into a closed loop, only one plane is used for operation, the plane has no gap, no concave-convex part and no grabbing point, and the replacement needs to separate dozens of hundred kilograms of bearings from the bearing seat and the axle center. There are three existing solutions:
the first is that the iron wire winding method is to select an appropriate thickness of iron wire, insert and wind the wire from the gap between the bearing end faces and pull the wire outwards by pure manpower.
And secondly, a bolt fixing method is characterized in that a proper bolt is selected and welded on the outer ring of the bearing, a gap is adjusted by a nut, and the bearing is extruded by a spanner or pushed by a crowbar to be pulled out.
And thirdly, a base shelling method is adopted, the whole bearing seat is dismantled, the bearing puller is used for hooking the outer ring, and the bearing is pulled out.
In summary, the existing replacement method has many disadvantages; 1. the machine tool needs 2 more, the manpower needs 3 more, the occupied time is 4 more, the working efficiency is low, under the condition of three high and one low, the biggest key problem is that the replacement completion time cannot be controlled, under the condition, once the drying oven dry net guide roller bearing is abnormal, the machine is forced to be stopped and replaced, the hidden danger of time delay exists, the smooth startup is seriously influenced, and the great economic loss is caused. Therefore, an efficient puller for detaching the guide roller bearing needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the weak point that exists among the above-mentioned technique, provide a dismantlement that is used for dry net guide roller bearing draws sign indicating number, aim at solving the above-mentioned problem that exists.
The utility model provides a disassembly pull code for a dry net guide roller bearing, which comprises a cross beam, an adjusting ejector rod, an adjusting pull rod, a drag hook and a rotating base plate, wherein the adjusting ejector rod is in threaded connection with the middle part of the cross beam, and the adjusting pull rod is adjustably arranged at two ends in the cross beam through a locking nut; the tip of adjusting the pull rod is equipped with the drag hook, and one side of drag hook is equipped with horizontal hook plate, and the opposite side of drag hook is located in the rotation of rotatory backing plate.
Furthermore, the rotation of the rotary backing plate on one side of the draw hook is eccentric rotation. Be equipped with the bar through-hole in the crossbeam, adjust the pull rod and slide and locate in the bar through-hole. The adjusting ejector rod and the adjusting pull rod are in a screw rod structure.
Furthermore, the device also comprises a linkage mechanism, the middle part of the linkage mechanism is in threaded connection with the upper end of the adjusting ejector rod, and two ends of the linkage mechanism are respectively hinged with the locking nut on the upper side of the adjusting pull rod. The linkage mechanism comprises an adjusting nut, a rotating ring and a linkage rod, the adjusting nut is in threaded connection with the upper end of the adjusting ejector rod, the rotating ring is rotatably arranged on the outer ring of the adjusting nut, one end of the linkage rod is hinged to the rotating ring, and the other end of the linkage rod is hinged to a locking nut on the upper side of the adjusting pull rod.
Furthermore, the upper end of the adjusting ejector rod is provided with a rotating part; the rotary handle is detachably connected with the rotating part in an inserting mode.
Compared with the prior art, the method has the following beneficial effects:
the utility model provides a dismantle and draw sign indicating number for drying net guide roller bearing, through setting up the drag hook at the tip of adjusting the pull rod and set up the horizontal hook plate in one side of drag hook to with the drag hook through the horizontal hook plate on catching hold the frame in the net guide roller bearing, rotate the rotatory backing plate that sets up in the drag hook opposite side and make it and dry net guide roller bearing inner arm chucking, in order to be in the chucking of drag hook on the frame, thereby make rotate the adjusting ejector pin and can take out the net guide roller bearing; by adopting the technical scheme, the dismounting efficiency of the dry net guide roller bearing is effectively improved, time and labor are saved, and labor cost and production cost are effectively saved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
Fig. 1 is a schematic view of a dismounting puller for a dry net guide roller bearing according to the present invention;
fig. 2 is an axial view of a dismounting puller for a dry net guide roller bearing according to the present invention;
fig. 3 is a schematic view of embodiment 2 of the present invention.
In the drawings, 1-beam; 2, adjusting a mandril; 3, adjusting a pull rod; 4-pulling the hook; 5-rotating the base plate; 6-locking a nut; 7-horizontal hook plate; 8-turning handle; 11-strip-shaped through holes; 21-a rotating part; 31-an adjusting nut; 32-rotation; 33-linkage rod.
Detailed Description
In order to make the structure and features and advantages of the present invention easier to understand, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
example 1:
as shown in fig. 1 and 2, the utility model provides a dismantle and draw sign indicating number for drying net guide roller bearing, including crossbeam 1, regulation ejector pin 2, adjusting rod 3, drag hook 4 and rotating backing plate 5, wherein, 2 threaded connection of adjusting ejector pin in crossbeam 1 middle part, adjusting rod 3 passes through lock nut 6 and is adjustable locate both ends in crossbeam 1. Furthermore, two locking nuts 6 are arranged on each adjusting pull rod 3 and are respectively positioned on the upper side and the lower side of the cross beam 1; the device also comprises a washer which is arranged between the locking nut 6 and the cross beam 1. The tip of adjusting the pull rod 3 is equipped with drag hook 4, and one side of drag hook 4 is equipped with horizontal hook plate 7, and the opposite side of drag hook 4 is located in the rotation of rotating backing plate 5. The rotation of the rotating base plate 5 on the side of the draw hook 4 is an eccentric rotation, so that the rotation is achieved by rotating the rotating base plate 5. Be equipped with bar through-hole 11 in the crossbeam 1, adjust the pull rod 3 and slide and locate in bar through-hole 11. The adjusting ejector rod 2 and the adjusting pull rod 3 are in a screw rod structure. The upper end of the adjusting mandril 2 is provided with a rotating part 21. The adjusting device also comprises a rotating handle 8, wherein the rotating handle 8 is detachably inserted into the rotating part 21 so as to rotate the adjusting ejector rod 2 through the rotating handle 8. Furthermore, the draw hook 4 is made of high-strength steel, such as high-manganese wear-resistant steel, is forged, is polished and formed according to the arc shape of the bearing retainer, and is immersed in oil through quenching for three times, so that the ultrahigh strength of the draw hook is ensured to be firmly welded with the adjusting pull rod 3. The material of rotatory cushion is the Q235 steel sheet, and the drilling is attacked tooth and is connected with drag hook 4 one side off-centre, and supplementary drag hook 4 effectively catches on the bearing, does not slide.
The working principle is as follows: when the adjusting device is used, the horizontal distance between the adjusting pull rods 3 is adjusted by adjusting the locking nuts 6, then the drag hooks 4 at the end parts of the adjusting pull rods 3 are hooked into the retainer, and the locking nuts 6 are screwed to horizontally fix the adjusting pull rods 3 on the cross beam 1; the rotating backing plate 5 is rotated to be clamped with the inner ring of the guide roll bearing of the dry net so as to horizontally clamp the drag hook 4 in the retainer; the adjusting ejector rod 2 is rotated to push the adjusting ejector rod 2 to the rotating shaft, and the adjusting ejector rod 2 is continuously rotated to push the guide roller bearing of the dry net out of the rotating shaft, so that the guide roller bearing of the dry net is disassembled.
Example 2:
as shown in fig. 3, in combination with the technical solution of embodiment 1, in this embodiment, the puller further includes a linkage mechanism, the middle of the linkage mechanism is in threaded connection with the upper end of the adjusting ejector rod 2, and two ends of the linkage mechanism are respectively hinged to the locking nut 6 on the upper side of the adjusting pull rod 3. The linkage mechanism comprises an adjusting nut 31, a rotating ring 32 and a linkage rod 33, the adjusting nut 31 is in threaded connection with the upper end of the adjusting ejector rod 2, the rotating ring 32 is rotatably arranged on the outer ring of the adjusting nut 31, one end of the linkage rod 33 is hinged on the rotating ring 32, and the other end of the linkage rod 33 is hinged on a locking nut 6 on the upper side of the adjusting pull rod 3.
The working principle is as follows: when the adjusting device is used, the locking nut 6 at the upper end of the adjusting pull rod 3 is loosened, the adjusting nut 31 is rotated, the adjusting push rod 2 is kept still, the adjusting nut 31 moves up and down at the upper end of the adjusting push rod 2 to pull the linkage rod 33 to swing, so that the adjusting pull rods 3 at the two ends of the cross beam 1 move synchronously and relatively to adjust the distance between the adjusting push rods, the adjusting push rod 2 is guaranteed to be positioned in the middle of the adjusting pull rods 3 at the two sides all the time, and the stress on the two sides of the retainer is balanced when the adjusting push rod 2 rotates. When the adjusting ejector rod 2 is rotated to push out the dry net guide roller bearing, the adjusting pull rod 3 is fixed at the moment, so that the adjusting ejector rod 2 moves relative to the adjusting nut 31.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention all belong to the protection scope of the present technical solution, without departing from the contents of the technical solution of the present invention.
Claims (7)
1. A disassembly puller for a guide roller bearing of a dry net is characterized by comprising a cross beam (1), an adjusting ejector rod (2), an adjusting pull rod (3), a drag hook (4) and a rotary backing plate (5), wherein the adjusting ejector rod (2) is in threaded connection with the middle of the cross beam (1), and the adjusting pull rod (3) is adjustably arranged at two ends in the cross beam (1) through a locking nut (6); the tip of adjusting pull rod (3) is equipped with drag hook (4), one side of drag hook (4) is equipped with horizontal hook plate (7), rotatory backing plate (5) are rotated and are located the opposite side of drag hook (4).
2. The disassembling puller for the dry net guide roller bearing according to claim 1, characterized in that the rotation of the rotating backing plate (5) at one side of the draw hook (4) is eccentric rotation.
3. The disassembly puller for the guide roller bearing of the drying net according to claim 1, wherein a strip-shaped through hole (11) is formed in the cross beam (1), and the adjusting pull rod (3) is slidably arranged in the strip-shaped through hole (11).
4. The disassembly puller for a dry net guide roller bearing according to claim 1, wherein the adjusting ejector rod (2) and the adjusting pull rod (3) are of a screw rod structure.
5. The disassembly puller for the guide roller bearing of the drying net according to claim 1, further comprising a linkage mechanism, wherein the middle part of the linkage mechanism is in threaded connection with the upper end of the adjusting ejector rod (2), and two ends of the linkage mechanism are respectively hinged with the locking nut (6) on the upper side of the adjusting pull rod (3).
6. The disassembly puller for the guide roller bearing of the dry net according to claim 5, wherein the linkage mechanism comprises an adjusting nut (31), a rotating ring (32) and a linkage rod (33), the adjusting nut (31) is in threaded connection with the upper end of the adjusting top rod (2), the rotating ring (32) is rotatably arranged on the outer ring of the adjusting nut (31), one end of the linkage rod (33) is hinged on the rotating ring (32), and the other end of the linkage rod (33) is hinged on the locking nut (6) on the upper side of the adjusting pull rod (3).
7. The disassembly puller for the guide roller bearing of the drying net according to claim 1, wherein the upper end of the adjusting ejector rod (2) is provided with a rotating part (21); the handle (8) is detachably inserted into the rotating part (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223252613.3U CN218856846U (en) | 2022-11-28 | 2022-11-28 | A dismantle and draw sign indicating number for drying net guide roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223252613.3U CN218856846U (en) | 2022-11-28 | 2022-11-28 | A dismantle and draw sign indicating number for drying net guide roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218856846U true CN218856846U (en) | 2023-04-14 |
Family
ID=87351335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223252613.3U Active CN218856846U (en) | 2022-11-28 | 2022-11-28 | A dismantle and draw sign indicating number for drying net guide roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218856846U (en) |
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2022
- 2022-11-28 CN CN202223252613.3U patent/CN218856846U/en active Active
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