CN107825356B - Frock is dismantled to bearing - Google Patents
Frock is dismantled to bearing Download PDFInfo
- Publication number
- CN107825356B CN107825356B CN201711226018.3A CN201711226018A CN107825356B CN 107825356 B CN107825356 B CN 107825356B CN 201711226018 A CN201711226018 A CN 201711226018A CN 107825356 B CN107825356 B CN 107825356B
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- China
- Prior art keywords
- bearing
- fixed
- panel
- plate
- fixing plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010009 beating Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/062—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races using screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention discloses a bearing disassembly tool, which comprises the following components: 3 fixing plates, wherein the surface of each fixing plate facing the inner wall of the bearing is provided with an arc-shaped surface; the movable block is adjustably fixed on the fixed plate; the adjacent fixed plates are fixed through the movable blocks; the panel is connected with the fixed plate through a jacking screw; the jacking screws are uniformly arranged on the panel; the panel is provided with a through hole. The invention provides a bearing dismounting tool, which adopts a fixing plate and a panel to dismount a bearing, and an arc-shaped structure increases the contact area with the bearing, so that the stress area is increased, the bearing is protected, secondary damage is avoided, and the dismounting efficiency is improved.
Description
Technical Field
The invention relates to the technical field of bearing disassembly, in particular to a bearing disassembly tool.
Background
Planetary reducers are used in a wide range of industrial applications, bearings are an important component thereof, gears are mounted on the bearings, and the bearings need to be replaced during assembly and maintenance. In the prior art, the bearing is usually detached and replaced by adopting a beating mode or a pulling mode and the like, the beating mode is easy to cause secondary damage to the bearing and the replacement efficiency is low, the pulling mode generally adopts a three-jaw pulling mode, three jaws of the pulling mode hook the bearing, then force is applied to the three-jaw pulling mode, and therefore the bearing is detached from the shaft, and the problems of slipping, scratching the bearing and the like exist.
Disclosure of Invention
It is an object of the present invention to address at least the above problems and/or disadvantages and to provide at least the advantages described below.
In order to solve the defects in the prior art, the invention provides a bearing disassembly tool, which comprises:
3 fixing plates, wherein the surface of each fixing plate facing the inner wall of the bearing is provided with an arc-shaped surface; the central angle of the arc-shaped surface of the fixing plate is smaller than 120 degrees;
The movable block is adjustably fixed on the fixed plate; the adjacent fixed plates are fixed through the movable blocks;
the panel is connected with the fixed plate through a jacking screw; the jacking screws are uniformly arranged on the panel; the panel is provided with a through hole.
Preferably, the movable block is provided with a plurality of screw holes; the corresponding positions of the two ends of the fixed plate are respectively provided with a plurality of screw holes, and a screw rod penetrates through the screw holes to fix the movable block and the fixed plate; an adjustable movable gap is formed between adjacent fixed plates fixed by the movable block.
Preferably, the number of the top force screws is 3, and the lengths of the top force screws are equal.
Preferably, a balance rod is detachably and fixedly arranged between the adjacent top force screws; the two ends of the balance rod are provided with connecting parts, and the connecting parts comprise U-shaped holding seats and rotating seats for accommodating the jacking screws; the rotary seat is fixed on the top force screw rod in a surrounding mode, limiting wings are arranged at the upper end and the lower end of the rotary seat in a surrounding mode, the rotary seat and the limiting wings are of an I-shaped structure, the holding seat is located between the rotary seat and the limiting wings, and a buffer gap is formed between the holding seat and the rotary seat.
Preferably, the inner side surface of the holding seat is provided with anti-skid patterns.
Preferably, the holding seat is provided with a positioning wing with bending facing the limiting wing.
Preferably, two ends of the fixing plate are provided with an arc-shaped buffer part.
Preferably, the surface of the fixing plate and the arc-shaped surface of the fixing plate are both provided with a rubber gasket.
Preferably, a thread groove with openings at two ends is formed around the panel along the radial direction, the thread groove extends to the inner wall of the through hole, and the openings of the thread groove are positioned on the inner wall of the through hole and the outer wall of the panel; fastening devices are arranged in the thread grooves, and each fastening device comprises a pre-pressing plate, a locking screw and a rotating head; the surface of the pre-pressing plate facing the bearing surface is in a circular arc structure; the end, away from the bearing, of the pre-pressing plate is fixedly connected with the locking screw rod matched with the thread groove; the other end of the locking screw rod is connected with the rotating head.
Preferably, the pre-press plate width is smaller than the thread groove width; the surface of the pre-pressing plate is provided with anti-skid patterns.
The invention at least comprises the following beneficial effects: the bearing disassembly tool adopts 3 fixing plates with round holes in the middle to fix the part of the bearing which needs to be disassembled and assembled, the arc-shaped surface protects the bearing from damage, the contact area of the fixing plates and the bearing is increased, the bearing area of the bearing is increased, the distance between the panel and the fixing plates is shortened through the top force screw on the panel, the bearing part is driven to be slowly separated, and secondary damage to the bearing is prevented. In addition, the movable gaps formed between the adjacent fixed plates enable the invention to be suitable for gear conditions with different circumferences, reduce the machining precision of the tool and save the manpower resources.
Drawings
Fig. 1 is a schematic view of a bearing dismounting tool structure of the invention.
Fig. 2 is a schematic view of the structure of the balance bar of the present invention.
Fig. 3 is a schematic view of the structure of the fastening device of the present invention.
FIG. 4 is a schematic diagram of an embodiment of the present invention applied to a bearing.
FIG. 5 is a schematic cross-sectional view of an embodiment of the present invention applied to a bearing.
Reference numerals: the device comprises a 1-fixed plate, a 11-movable notch, a 2-movable block, a 21-screw hole, a 3-panel, a 31-thread groove, a 4-top force screw rod, a 5-through hole, a 6-balance rod, a 7-connecting part, a 71-holding seat, 711-positioning wings, 72-rotating seats, 721-limiting wings, 8-fastening devices, 81-pre-pressing plates, 82-locking screws, 83-rotating heads, 10-bearings, 11-shafts and 12-bearing rings.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Fig. 1 to 5 show a bearing disassembly tool according to the present invention, including:
3 fixing plates 1, wherein the inner wall of the fixing plate 1 facing the bearing is provided with an arc-shaped surface; the central angle of the arc-shaped surface of the fixed plate 1 is smaller than 120 degrees;
a movable block 2, wherein the movable block 2 is adjustably fixed on the fixed plate 1; the adjacent fixed plates 1 are fixed through the movable blocks 2;
A panel 3 connected to the fixing plate 1 by a pushing screw 4; the jacking screws 4 are uniformly arranged on the panel 3; the panel 3 is provided with a through hole 5.
In this technical scheme, panel 3 passes through-hole 5 is fixed in on the axle 11 of bearing 10, through the regulation is fixed movable block 2 will fixed in the bearing ring 12 lower extreme is embraced to fixed plate 1, the regulation is connected fixed plate 1 with panel 3's top power screw rod 4 shortens fixed plate 1 with panel 3 interval, fixed plate 1 drives the bearing ring 12 from this and outwards slowly breaks away from, realizes the separation of bearing part. Compared with the traditional puller, the contact area between the dismounting tool and the bearing ring 12 is increased by 3 fixing plates 1, the bearing stress area is increased, labor saving is facilitated, and secondary damage to the bearing is avoided.
In another example, the movable block 2 is provided with a plurality of screw holes 21; a plurality of screw holes 21 are formed in the corresponding positions of the two ends of the fixed plate 1, and screws 22 penetrate through the screw holes 21 to fix the movable block 2 and the fixed plate 1; an adjustable movable gap 11 is formed between the adjacent fixed plates 1 fixed by the movable block 2.
In this kind of technical scheme, run through in through screw 22 movable block 2 with fixed plate 1, fixed firm and convenient to detach, and according to actual conditions can adjust screw 22 with thereby the screw 21 adjusts the width of activity breach 11 is favorable to dismantling the frock and is applicable to the race ring of different girth, and reduces the machining precision of fixed plate 1.
In another example, the number of the top force screws 4 is 3, and the top force screws 4 are equal in length. With this solution, it is advantageous to maintain the balance of the panel 3 with the fixed plate 1.
In another example, a balance rod 6 is detachably and fixedly arranged between the adjacent top force screws 4; the two ends of the balance bar 6 are provided with connecting parts 7, and the connecting parts 7 comprise U-shaped holding seats 71 and rotating seats 72 for accommodating the jacking screws 4; the rotating seat 72 is fixed around the top force screw 4, both the upper and lower ends thereof are provided with limiting wings 721 in a ring manner, the rotating seat 72 and the limiting wings 721 form an I-shaped structure, the holding seat 71 is positioned between the rotating seat 72 and the limiting wings 721, and a buffer gap is arranged between the holding seat 71 and the rotating seat 72.
In this technical scheme, when adjusting the top force screw rod 4, encircle and be fixed in the rotation seat 72 on top force screw rod 4 surface is followed the rotation of top force screw rod 4, the buffering clearance between holding seat 71 and rotation seat 72 avoids hindering top force screw rod 4 rotates, balancing pole 6 remains in certain position all the time, balancing pole 6 is favorable to keeping the steady movement of fixed plate 1, avoids adjacent top force screw rod 4 height phase difference too big.
In another example, the inner side of the holding seat 71 is provided with an anti-slip pattern. With this arrangement, the holding seat 71 is prevented from sliding.
In another example, the holding seat 71 is provided with a positioning wing 711 having a bend facing the limiting wing 721. With this arrangement, the positioning wing 711 is bent to surround the positioning wing 711, so as to further prevent the holding seat 71 from sliding down, and ensure the operation of the balance bar 6.
In another example, two ends of the fixing plate 1 are provided with an arc buffer portion. By adopting the scheme, when the disassembly tool works, the workpiece or an operator is prevented from being injured by a sharp corner.
In another example, a rubber gasket is disposed on the surface of the fixing plate 1 and the arcuate surface of the fixing plate 1. With this arrangement, the fixing plate 1 is prevented from scratching the bearing, and the bearing is further protected.
In another example, a thread groove 31 with openings at two ends is formed around the panel 3 along the radial direction, the thread groove 31 extends to the inner wall of the through hole 5, and the openings are positioned on the inner wall of the through hole 5 and the outer wall of the panel 3; the fastening devices 8 are arranged in the thread grooves 31, and the fastening devices 8 comprise a pre-pressing plate 81, a locking screw 82 and a rotating head 83; the surface of the pre-pressing plate 81 facing the bearing is in a circular arc structure; the end, far away from the bearing, of the pre-pressing plate 81 is fixedly connected with a locking screw 82 matched with the thread groove 31; the other end of the locking screw 82 is connected with the rotating head 83.
In this solution, the locking screw 82 is adjusted to make the pre-pressing plate 81 prop against the shaft of the bearing, and the circular arc contact surface of the pre-pressing plate 81 increases the contact area between the pre-pressing plate 81 and the bearing, so as to further fix the panel 3. Furthermore, the adjustable fastening means 8 are advantageous in order to adapt the panel 1 to bearings of various sizes.
In another example, the pre-compression plate 81 has a width less than the width of the thread groove 31; the surface of the pre-pressing plate 81 is provided with anti-skid patterns. With this arrangement, the contact friction between the pre-pressing plate 81 and the bearing is increased, and the pre-pressing plate 81 is prevented from coming loose.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (8)
1. Frock is dismantled to bearing, its characterized in that includes:
3 fixing plates, wherein the surface of each fixing plate facing the inner wall of the bearing is provided with an arc-shaped surface; the central angle of the arc-shaped surface of the fixing plate is smaller than 120 degrees;
The movable block is adjustably fixed on the fixed plate; the adjacent fixed plates are fixed through the movable blocks;
the panel is connected with the fixed plate through a jacking screw; the jacking screws are uniformly arranged on the panel; the panel is provided with a through hole;
A balance rod is detachably and fixedly arranged between the adjacent top force screws; the two ends of the balance rod are provided with connecting parts, and the connecting parts comprise U-shaped holding seats and rotating seats for accommodating the jacking screws; the rotating seat is fixed on the top force screw in a surrounding way, limiting wings are arranged at the upper end and the lower end of the rotating seat in a surrounding way, the rotating seat and the limiting wings are of an I-shaped structure, the holding seat is positioned between the rotating seat and the limiting wings, and a buffer gap is arranged between the holding seat and the rotating seat;
a thread groove with openings at two ends is formed around the panel along the radial direction, the thread groove extends to the inner wall of the through hole, and the openings of the thread groove are positioned on the inner wall of the through hole and the outer wall of the panel; fastening devices are arranged in the thread grooves, and each fastening device comprises a pre-pressing plate, a locking screw and a rotating head; the surface of the pre-pressing plate facing the bearing surface is in a circular arc structure; the end, away from the bearing, of the pre-pressing plate is fixedly connected with the locking screw rod matched with the thread groove; the other end of the locking screw rod is connected with the rotating head.
2. The bearing disassembly tool according to claim 1, wherein the movable block is provided with a plurality of screw holes; the corresponding positions of the two ends of the fixed plate are respectively provided with a plurality of screw holes, and a screw rod penetrates through the screw holes to fix the movable block and the fixed plate; an adjustable movable gap is formed between adjacent fixed plates fixed by the movable block.
3. The bearing removal tooling of claim 1, wherein the number of top force screws is 3, and the top force screws are equal in length.
4. The bearing removal tooling of claim 1, wherein the inner side of the grip block is provided with anti-slip patterns.
5. The bearing removal tool of claim 1, wherein the holding seat is provided with a positioning wing with a bend facing the limiting wing.
6. The bearing removal tool as claimed in claim 1, wherein the fixing plate is provided with an arc-shaped buffer portion at both ends.
7. The bearing removal tool of claim 1, wherein the surface of the fixing plate and the arcuate surface of the fixing plate are each provided with a rubber gasket.
8. The bearing removal tooling of claim 1, wherein the pre-press plate width is less than the thread groove width; the surface of the pre-pressing plate is provided with anti-skid patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226018.3A CN107825356B (en) | 2017-11-29 | 2017-11-29 | Frock is dismantled to bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711226018.3A CN107825356B (en) | 2017-11-29 | 2017-11-29 | Frock is dismantled to bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107825356A CN107825356A (en) | 2018-03-23 |
| CN107825356B true CN107825356B (en) | 2024-06-07 |
Family
ID=61646593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711226018.3A Active CN107825356B (en) | 2017-11-29 | 2017-11-29 | Frock is dismantled to bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107825356B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108895A (en) * | 2018-10-11 | 2019-01-01 | 株洲九方装备驱动技术有限公司 | The efficient disassembling fixture of bearing inner race |
| CN110000737A (en) * | 2019-05-20 | 2019-07-12 | 包头中车电机有限公司 | A kind of bearing rapid free wound dismounting tooling |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202592314U (en) * | 2012-05-14 | 2012-12-12 | 成都佳电电机有限公司 | Double-fed wind-driven generator bearing assembly and disassembly tool |
| CN203019309U (en) * | 2012-12-07 | 2013-06-26 | 宜宾海丝特纤维有限责任公司 | Protective type bearing remover |
| CN203875840U (en) * | 2014-05-21 | 2014-10-15 | 田灿 | Bearing disassembling tool |
| CN204221715U (en) * | 2014-09-09 | 2015-03-25 | 奇瑞汽车股份有限公司 | A kind of blind hole bearing outer ring disassembling fixture of gear-box |
| CN204748520U (en) * | 2015-06-02 | 2015-11-11 | 新疆蓝山屯河能源有限公司 | A extracting tool for antifriction bearing |
| CN205200965U (en) * | 2015-11-16 | 2016-05-04 | 深圳市钜达机械设备有限公司 | Bearing instrument is torn open to pressure disk formula |
| CN206230451U (en) * | 2016-11-25 | 2017-06-09 | 沈阳鼓风机集团风电有限公司 | A kind of adjustable wind power bearing disassembling apparatus |
| CN207495397U (en) * | 2017-11-29 | 2018-06-15 | 泸州邦立减速机有限责任公司 | A kind of bearing dismounting tool |
-
2017
- 2017-11-29 CN CN201711226018.3A patent/CN107825356B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202592314U (en) * | 2012-05-14 | 2012-12-12 | 成都佳电电机有限公司 | Double-fed wind-driven generator bearing assembly and disassembly tool |
| CN203019309U (en) * | 2012-12-07 | 2013-06-26 | 宜宾海丝特纤维有限责任公司 | Protective type bearing remover |
| CN203875840U (en) * | 2014-05-21 | 2014-10-15 | 田灿 | Bearing disassembling tool |
| CN204221715U (en) * | 2014-09-09 | 2015-03-25 | 奇瑞汽车股份有限公司 | A kind of blind hole bearing outer ring disassembling fixture of gear-box |
| CN204748520U (en) * | 2015-06-02 | 2015-11-11 | 新疆蓝山屯河能源有限公司 | A extracting tool for antifriction bearing |
| CN205200965U (en) * | 2015-11-16 | 2016-05-04 | 深圳市钜达机械设备有限公司 | Bearing instrument is torn open to pressure disk formula |
| CN206230451U (en) * | 2016-11-25 | 2017-06-09 | 沈阳鼓风机集团风电有限公司 | A kind of adjustable wind power bearing disassembling apparatus |
| CN207495397U (en) * | 2017-11-29 | 2018-06-15 | 泸州邦立减速机有限责任公司 | A kind of bearing dismounting tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107825356A (en) | 2018-03-23 |
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