CN219788232U - Tool for conveniently disassembling square bearing seat - Google Patents
Tool for conveniently disassembling square bearing seat Download PDFInfo
- Publication number
- CN219788232U CN219788232U CN202223454704.5U CN202223454704U CN219788232U CN 219788232 U CN219788232 U CN 219788232U CN 202223454704 U CN202223454704 U CN 202223454704U CN 219788232 U CN219788232 U CN 219788232U
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- Prior art keywords
- hole
- guide bar
- square bearing
- bearing seat
- square
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- 238000003466 welding Methods 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
A tool for conveniently disassembling a square bearing seat belongs to the technical field of mechanical equipment maintenance tools and is used for disassembling the square bearing seat. The technical proposal is as follows: four claws are respectively clamped at four corners of the square bearing seat, the rear ends of the four claws are respectively connected with the front ends of the guide rods, the rear ends of the four guide rods are respectively connected with four corners of a square supporting plate, the hydraulic lifting column of the hydraulic jack is fixed at the center of the inner side plate surface of the supporting plate, the front end of the ejector rod of the hydraulic jack is opposite to the center of the end surface of the roller shaft head, and the hydraulic jack is connected with the hydraulic lifting column through a pipeline. The square bearing seat is simple in structure, convenient to use, easy to manufacture and low in cost, the square bearing seat can be conveniently and rapidly disassembled, the bearing is prevented from being damaged, the maintenance cost is saved, the maintenance work efficiency is improved, and the square bearing seat is a practical tool for disassembling the square bearing seat of the small roller.
Description
Technical Field
The utility model relates to a tool for disassembling a square bearing seat, and belongs to the technical field of mechanical equipment maintenance tools.
Background
The roller with square bearing seat is a common component in mechanical equipment of plate and strip rolling production line, and is mainly applied to equipment such as cleaning sections, levelling machines, finishing machines and the like of production units such as cold rolling pickling rolling units, continuous annealing units, galvanization units and the like. The roller with the square bearing seats needs to repair the surface of the roller body frequently in daily use, and the square bearing seats, bearings, check rings and the like at two ends of the roller need to be removed before the roller body is repaired, so that the roller is convenient to repair on special equipment. At present, large-scale equipment specially used for disassembling the square bearing seat is available in production practice, but the equipment is expensive, and only a few large and valuable rollers are arranged for use when being disassembled, so that the use cost is reduced, and the maintenance cost is reduced. The common small-diameter rollers are still dismounted by manpower, and most of the methods for dismounting the square bearing seats of the rollers adopt common tools such as hammers, copper bars and the like to knock and dismount, so that the frequent dismounting workload is large and the bearings are easy to damage. It is therefore highly desirable to design a convenient, durable, simple to construct, inexpensive tool for removing square bearing blocks from conventional rollers.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a tool for conveniently disassembling a square bearing seat, which has the advantages of simple structure, convenient use, easy manufacture and low price, and can conveniently and quickly disassemble the square bearing seat, avoid bearing damage, reduce maintenance cost and improve maintenance work efficiency.
The technical scheme for solving the technical problems is as follows:
the utility model provides a conveniently dismantle instrument of square bearing frame, it includes jack catch, guide bar, backup pad, hydraulic jack, four jack catch card respectively in four angles of square bearing frame, the rear end of four jack catch is connected with the front end of guide bar respectively, the four corners at a square backup pad are connected respectively to the rear end of four guide bars, hydraulic jack's hydraulic lifting column is fixed at the inboard face center of backup pad, hydraulic jack's ejector pin front end is relative with the terminal surface center of roller spindle nose, hydraulic jack is connected with hydraulic lifting column through the pipeline.
Above-mentioned instrument of square bearing frame is conveniently dismantled, the jack catch is rectangular shaped plate, and rectangular shaped plate front end side of jack catch has square open slot, and open slot is perpendicular with the length direction of jack catch, and the width of open slot and the thickness assorted of square bearing frame, open slot card are on square bearing frame's side, and the face rear end of jack catch has the round hole, and the round hole is connected with the front end of guide bar.
Above-mentioned instrument of square bearing frame is conveniently dismantled, the body of rod of guide bar is the round bar, and the front end welding U type frame of guide bar, the opening of U type frame forward, and the rear end plate face of jack catch inlays in the opening of U type frame, has relative round pin axle hole on two lateral walls of U type frame, and the round hole of the round pin axle hole of U type frame and the face rear end of jack catch is relative, and the round pin axle is connected the face rear end of the U type frame of guide bar and jack catch through round pin axle hole and round hole, and round pin axle hole and round hole are normal running fit.
Above-mentioned instrument of square bearing frame is conveniently dismantled to backup pad four corners has the guide bar connecting hole respectively, the guide bar connecting hole is the convex slot hole, the radian of convex slot hole is ninety degrees, the middle part of the outside protruding one side of arc of the convex slot hole of guide bar connecting hole is opposite with the right angle of backup pad, the both sides of convex slot hole are opposite with the right angle both sides limit of backup pad respectively, the width of guide bar connecting hole and the body of rod diameter phase-match of guide bar, the guide bar connecting hole is sliding fit with the body of rod of guide bar, the rear end of guide bar is threaded, the rear end of guide bar passes the guide bar connecting hole and is fixed in the face outside of backup pad by the nut.
The beneficial effects of the utility model are as follows:
the four clamping claws are clamped on four sides of the square bearing seat, and the square bearing seat can be pulled outwards to be gradually detached from the roller bearing; the front end of the guide rod is connected with the claw, and the guide rod pulls the claw outwards; the rear end of the guide rod is connected with a guide rod connecting hole of the support plate, and the support plate can drive the guide rod to pull the clamping jaw backwards; the guide rod can move along the annular guide rod connecting hole, so that radial width adjustment of the guide rod is realized in practical application, and meanwhile, the guide rod can rotate in the guide rod connecting hole, thereby realizing free rotation of the clamping jaw; the supporting plate supports the hydraulic lifting column of the hydraulic jack, the front end of the ejector rod of the hydraulic jack stretches out to be propped against the center of the end face of the shaft head of the roller, the guide rod and the clamping jaw are driven to move backwards, and the square bearing seat is detached from the roller bearing.
The square bearing seat is simple in structure, convenient to use, easy to manufacture and low in cost, the square bearing seat can be conveniently and rapidly disassembled, the bearing is prevented from being damaged, the maintenance cost is saved, the maintenance work efficiency is improved, and the square bearing seat is a practical tool for disassembling the square bearing seat of the small roller.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a side view of fig. 1.
The figures are labeled as follows: the hydraulic lifting jack comprises a clamping jaw 1, a guide rod 2, a supporting plate 3, a hydraulic jack 4, a hydraulic lifting column 5, an open slot 6, a U-shaped frame 7, a pin shaft 8, a guide rod connecting hole 9, a nut 10, a roller shaft head 11 and a square bearing seat 12.
Detailed Description
The utility model consists of a claw 1, a guide rod 2, a supporting plate 3 and a hydraulic jack 4.
The figure shows that the claw 1 is a rectangular plate. The rectangular plate front end side of jack catch 1 has square open slot 6, and open slot 6 is perpendicular with the length direction of jack catch 1, and the width of open slot 6 matches with the thickness phase-change of square bearing frame 12, and the open slot 6 of four jack catches is blocked respectively on the side at four angles of square bearing frame 12. The back end plate surface of each claw 1 is provided with a round hole, and the round holes of the four claws 1 are respectively connected with the front ends of the four guide rods 2. The four clamping claws 1 are clamped on four sides of the square bearing seat 12, and the square bearing seat 12 can be pulled outwards to be gradually detached from the roller bearing.
In the figure, the body of rod of guide bar 2 is the round bar, and the front end welding U type frame 7 of guide bar 2, the opening of U type frame 7 forward, and the rear end face of jack catch 1 inlays in the opening of U type frame 7, has relative round pin axle hole on two lateral walls of U type frame 7, and the round hole of the round pin axle hole of U type frame 7 and the face rear end of jack catch 1 is relative, and round pin axle 8 is connected the face rear end of U type frame 7 and jack catch 1 of guide bar 2 through round pin axle hole and round hole, and round pin axle 8 is normal running fit with round pin axle hole and round hole.
The rear ends of the four guide bars 2 are shown connected to the four corners of a square support plate 3, respectively. The four corners of backup pad 3 have guide bar connecting hole 9 respectively, and guide bar connecting hole 9 is convex slot hole, and the radian of convex slot hole is ninety degrees, and the middle part of the arc outwards protruding one side of guide bar connecting hole 9's convex slot hole's circular arc is relative with the right angle of backup pad 3, and the both sides of convex slot hole are relative with the both sides limit of the right angle of backup pad 3 respectively. The width of the guide rod connecting hole 9 is matched with the diameter of the rod body of the guide rod 2, and the guide rod connecting hole 9 is in sliding fit with the rod body of the guide rod 2. The rear end of the guide rod 2 is threaded, when the guide rod 2 is connected with the support plate 3, the rear end of the guide rod 2 passes through the guide rod connecting hole 9 and is then connected with the rear end of the guide rod 2 by the screw thread of the nut 10, and the guide rod is fixed on the outer side of the plate surface of the support plate 3.
The guide rod 2 can move along the annular guide rod connecting hole 9, radial width adjustment of the guide rod 2 is realized in practical application, and meanwhile, the guide rod 2 can rotate in the guide rod connecting hole 9, so that the guide rod 2 and the clamping jaw 1 can rotate to be clamped at a proper position of the square bearing seat 12.
In the figure, a hydraulic lifting column 5 of a hydraulic jack 4 is fixed at the center of the inner side plate surface of a supporting plate 3, the front end of a push rod of the hydraulic jack 4 is opposite to the center of the end surface of a roller shaft head 11, and the hydraulic jack 4 is connected with the hydraulic lifting column 5 through a pipeline.
The practical process of the utility model is as follows:
the open slots 6 at the front ends of the four clamping claws 1 are respectively clamped at four corners of the square bearing seat 12, the front ends of the hydraulic lifting columns 5 of the hydraulic jacks are opposite to the end faces of the roller shaft heads 11, then the hydraulic jacks 4 are manually operated, ejector rods in the hydraulic lifting columns 5 of the hydraulic jacks 4 extend until contacting with the end faces of the roller shaft heads 11, the hydraulic jacks 4 are continuously operated, the supporting plates 3 move backwards under the action of the ejector rods in the hydraulic lifting columns 5, the supporting plates 3 drive the guide rods 2 to move backwards, the guide rods 2 pull the clamping claws 1 backwards, the clamping claws 1 pull the square bearing seat 12 backwards to be gradually detached from the roller bearings, and the whole process of detaching the square bearing seat 12 is completed.
One embodiment of the utility model is as follows:
the length of the plate surface of the clamping jaw 1 is 200mm, the width is 70mm, the thickness is 20mm, the width of the open slot 6 is 20mm, the length is 73mm, and the height is 40mm.
The length of the U-shaped frame of the guide rod 2 is 70mm, the width is 55mm, the height is 70mm, the width of the U-shaped frame opening is 25mm, the diameter of the rod body is phi 30mm, and the length is 200mm; the diameter of the pin shaft 8 is phi 30mm, and the length is 55mm; the model number of the nut 10 is M20.
The side length of the support plate 3 is 300mm, the thickness is 15mm, the width of the guide rod connecting hole 9 is 23mm, and the length is 250mm.
The hydraulic jack 4 is a QF50-20 split hydraulic jack with 500KN thrust, and the hydraulic lifting column 5 has the diameter of phi 140mm and the length of 350mm.
Claims (4)
1. The utility model provides a conveniently dismantle instrument of square bearing frame which characterized in that: the hydraulic lifting device comprises clamping jaws (1), guide rods (2), support plates (3) and hydraulic jacks (4), wherein the four clamping jaws (1) are respectively clamped at four corners of a square bearing seat (12), the rear parts of the four clamping jaws (1) are respectively connected with the front ends of the guide rods (2), the rear ends of the four guide rods (2) are respectively connected with four corners of a square support plate (3), hydraulic lifting columns (5) of the hydraulic jacks (4) are fixed at the center of an inner side plate surface of the support plate (3), the front ends of ejector rods of the hydraulic jacks (4) are opposite to the center of an end surface of a roller shaft head (11), and the hydraulic jacks (4) are connected with the hydraulic lifting columns (5) through pipelines.
2. The tool for facilitating removal of square bearing blocks according to claim 1, wherein: the jack catch (1) is rectangular plate, square open slot (6) are arranged on the side face of the front end of the rectangular plate of jack catch (1), the open slot (6) is perpendicular to the length direction of the jack catch (1), the width of the open slot (6) is matched with the thickness of the square bearing seat (12), the open slot (6) is clamped on the side face of the square bearing seat (12), a round hole is formed in the rear end of the plate face of the jack catch (1), and the round hole is connected with the front end of the guide rod (2).
3. The tool for facilitating removal of square bearing blocks according to claim 1, wherein: the utility model discloses a novel guide bar, including guide bar (2), U-shaped frame (7), round pin hole, round pin axle (8), round pin hole and round hole, the body of rod of guide bar (2) is the round bar, U-shaped frame (7) front end welding, the opening of U-shaped frame (7) is forward, the back end plate face of jack catch (1) inlays in the opening of U-shaped frame (7), there is relative round pin axle hole on two lateral walls of U-shaped frame (7), the round pin axle hole of U-shaped frame (7) is relative with the round hole of the face rear end of jack catch (1), round pin axle (8) are connected the face rear end of U-shaped frame (7) and jack catch (1) of guide bar (2) through round pin axle hole and round hole, round pin axle (8) are normal running fit with round hole.
4. The tool for facilitating removal of square bearing blocks according to claim 1, wherein: the four corners of backup pad (3) have guide bar connecting hole (9) respectively, guide bar connecting hole (9) are the convex slot hole, the radian of convex slot hole is ninety degrees, the middle part of the outside protruding one side of arc of guide bar connecting hole (9) is relative with the right angle of backup pad (3), the both sides of convex slot hole are relative with the right-angled both sides limit of backup pad (3) respectively, the width of guide bar connecting hole (9) and the body of rod diameter phase-match of guide bar (2), the body of rod of guide bar connecting hole (9) and guide bar (2) is sliding fit, the rear end of guide bar (2) has the screw thread, guide bar connecting hole (9) are passed to the rear end of guide bar (2) are fixed in the face outside of backup pad (3) by nut (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223454704.5U CN219788232U (en) | 2022-12-23 | 2022-12-23 | Tool for conveniently disassembling square bearing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223454704.5U CN219788232U (en) | 2022-12-23 | 2022-12-23 | Tool for conveniently disassembling square bearing seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219788232U true CN219788232U (en) | 2023-10-03 |
Family
ID=88180432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223454704.5U Active CN219788232U (en) | 2022-12-23 | 2022-12-23 | Tool for conveniently disassembling square bearing seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219788232U (en) |
-
2022
- 2022-12-23 CN CN202223454704.5U patent/CN219788232U/en active Active
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