CN205734708U - A kind of bearing extractor - Google Patents
A kind of bearing extractor Download PDFInfo
- Publication number
- CN205734708U CN205734708U CN201620455094.6U CN201620455094U CN205734708U CN 205734708 U CN205734708 U CN 205734708U CN 201620455094 U CN201620455094 U CN 201620455094U CN 205734708 U CN205734708 U CN 205734708U
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- bearing
- top pressure
- push rod
- support member
- extractor
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Abstract
The utility model discloses a kind of bearing extractor, including the push rod holding installation axle for pushing up last item, also include drawing set, drawing set is threadeded with push rod, drawing tackling has the sheathed cavity for being set on bearing to be removed along the axis direction of push rod, and drawing puts to be provided with and holds out against the jackscrew on described bearing outer peripheral face after described bearing enters in described sheathed cavity.Even if very close to each other between the parts that bearing is adjacent, extracting tool of the present utility model is also suitable, thus the dismounting bearing mode avoiding damage to formula cause the problem that axle or other parts are easily damaged is installed.
Description
Technical field
This utility model relates to a kind of bearing extractor.
Background technology
In tobacco cutting production line, filament cutter is important main process equipment, and its process task is treated Nicotiana tabacum L., cabo to be cut into and meet the cut tobacco of technology for making tobacco threds code requirement, stem.The feed screw rod location bearing that filament cutter uses is composite bearing, including plane bearing and needle bearing.Needle bearing, without sealing, uses the dust in environment and steam more, is easily caused plane bearing and needle bearing corrosion is stuck.The fault rate of composite bearing is higher, needs often dismounting to repair or replace.Owing to mostly the assembling of bearing Yu power transmission shaft is interference fit, dismantling bearing when, generally require by certain removal tool special.
Common extracting tool, such as Chinese patent CN 202174552 U(authorized announcement date 2012.03.28) disclose a kind of bearing disassembling device, this provision for disengagement includes crossbeam, handle, push rod, and push rod is threadeded with crossbeam and passes crossbeam.Handle have two and its length direction consistent with the length direction of push rod, the end of handle is hook-shaped.When dismantling bearing, utilize inside the end tension bearing of handle, then withstand bearing with push rod and axle is installed, rotate push rod.But the installed surface of composite bearing and the end face of feed worm gear that use in filament cutter mentioned above are close-fitting, the most very close to each other, the bearing disassembling device disclosed in this patent therefore cannot be utilized to carry out the composite bearing in filament cutter and to dismantle.It addition, composite bearing volume is little, entire body is smooth without tapping face, frequently with destructive method for dismounting, can cause the damage of power transmission shaft and worm gear in unloading process.
Summary of the invention
The purpose of this utility model is to provide a kind of bearing extractor, with solve existing bearing disassembling device can not meet bearing and and bearing be contained between the parts on power transmission shaft the technical problem of dismounting of bearing in the case of gapless side by side.
In order to realize object above, the technical scheme of this utility model middle (center) bearing extracting tool is as follows: bearing extractor, including the push rod holding installation axle for pushing up last item, also include drawing set, drawing set is threadeded with push rod, described drawing tackling has the sheathed cavity for being set on bearing to be removed along the axis direction of push rod, and described drawing puts to be provided with and holds out against the jackscrew on described bearing outer peripheral face after described bearing enters in described sheathed cavity.
Described drawing set includes that support member is pressed on sleeve and the top with sleeve releasable connection, and described push rod is threaded on the pressure support member of described top, and described sheathed cavity is arranged on described sleeve.
Described sleeve is threadeded with described top pressure support member.
Described top pressure support member is provided with the spin-ended structure for preventing drawing set from rotating together when dismantling bearing along with described push rod.
Described top pressure support member is provided with moment handle, and described moment handle forms described spin-ended structure.
Described moment handle is threadeded with described top pressure support member.
Described moment handle includes that handle body, handle body have the thread segment for threadeding with described top pressure support member, and described thread segment is threaded clamping nut, and described clamping nut holds out against on the pressure support member of described top.
Described push rod includes that the end of described top pressure section is provided with the top pressure ball holding installation axle for pushing up last item for being threaded in the top pressure section that described drawing puts.
Described top pressure section includes that big footpath section and path section, described top pressure ball are arranged in described path section.
Described top pressure ball is steel ball.
The beneficial effects of the utility model: when in use, are radially enclosed within the periphery of bearing to be removed, hold out against with jackscrew first with drawing set, to prevent drawing set and bearing relative movement.Then rotate push rod and bearing is installed the thrust that axle applying is axial so that the Impact direction that axle installed by bearing and bearing is contrary, and drawing set is mounted opposite axle and axially outwardly moves, and band dynamic bearing progressively disengages installation axle vertically, can realize the dismounting of bearing.Even if very close to each other between the parts that bearing is adjacent, extracting tool of the present utility model is also suitable.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model bearing extractor；
Fig. 2 is the exploded perspective view of this utility model bearing extractor；
Fig. 3 is the structural representation after top pressure the bracer in Fig. 1 is cut open；
Fig. 4 is the structural representation of the push rod in Fig. 1；
Fig. 5 is the structural representation after the sleeve in Fig. 1 is cut open.
Detailed description of the invention
The embodiment of this utility model bearing extractor: as Figure 1-5, bearing extractor, hold including drawing set, for pushing up last item the push rod 3 of axle is installed, drawing set threadeds with push rod 3, and the axis direction defining push rod 3 is left and right directions.Drawing set includes sleeve 1 and top pressure the bracer 2 threadeded with sleeve 1, and push rod 3 is threaded on pressure the bracer 2 of top.Sleeve 1 has the sheathed cavity 7 for being set in from right to left on bearing to be removed along the axis direction of push rod, and sheathed cavity 7 is that left and right is through, and the internal diameter of sheathed cavity 7 is bigger than the external diameter of bearing to be removed.Sleeve 1 periphery wall is provided with the jackscrew 6 holding out against on bearing outer peripheral face after bearing enters in sheathed cavity.Jackscrew 6 has four, and is evenly distributed, and sleeve periphery wall is provided with corresponding jackscrew screw 11.
A top pressure bracer 2 includes supporting body and threaded joints, is provided with for the threaded screwed hole 22 of push rod in it.Being arranged with two moment handles 4 before and after supporting on body, moment handle 4 forms the spin-ended structure for preventing drawing set from rotating together when dismantling bearing along with push rod 3.Supporting, on body, the installation place of moment handle 4 is provided with plane 21, remaining outer peripheral face is arc surface.Moment handle 4 is threadeded with top pressure bracer 2.Moment handle 4 includes that handle body, handle body have the thread segment for threadeding with top pressure bracer, and thread segment is threaded clamping nut 5, and clamping nut 5 holds out against on pressure the bracer 2 of top, to reach locking purpose.
Push rod bag 3 includes for being threaded in the top pressure section that drawing puts, and top pressure section includes that big footpath section 31 and path section 32, big footpath section 31 are the thread segment for threadeding with top pressure bracer.Path section 32 is light bar segment, and the left part of path section is provided with the top pressure ball 33 holding installation axle for pushing up last item.Top pressure ball 33 is steel ball, and steel ball is rotatable.The right-hand member of top pressure section is provided with six square toes 34, exerts a force for spanner to rotate push rod 3.The diameter of path section 32, less than the diameter of big footpath section 31, occurs after being possible to prevent to use for a long time that deformation is excessive, installs the diameter of axle, thus causes extracting tool normally to use beyond bearing.By arranging steel ball in path section end, its effect is to play to prevent push rod from producing skew when force, may also function as reducing the effect of friction.
When in use, sleeve 1 is enclosed within bearing periphery to be removed, utilizes jackscrew 6 to hold out against bearing, to ensure that bearing does not moves axially with sleeve.Before rotating push rod 3, control moment handle 4 to be passed through, so that whole drawing set does not rotates, then push rod 3 is rotated, make the steel ball in path section 32 withstand on bearing and the end of axle is installed, be rotated further push rod 3, then drawing set can be made axially outwardly to move, drawing cuff dynamic bearing progressively disengages bearing the most vertically and installs axle, can realize the dismounting of bearing.
In the present embodiment, drawing set uses the Split type structure of releasable connection so that sleeve can be changed, to adapt to various sizes of bearing.In other embodiments, drawing set may be used without the version of one, and sheathed cavity is the most through, is provided with for the threaded screwed hole of push rod in drawing set, and screwed hole connects with described sheathed cavity.When drawing set is structure as a whole, moment handle can be set directly at the correct position that drawing puts.In other embodiments, sleeve also can realize releasable connection by bolt with top pressure bracer.
In other embodiments, moment handle also can only arrange one.Moment handle also can be connected on pressure the bracer of top by the way of welding.Also moment handle can be not provided with.Can arrange two or more spline plane, i.e. top pressure bracer on pressure the bracer of top and be equivalent to a card side, this spline plane forms spin-ended structure.Top pressure bracer is alternatively the top pressure support member of other forms, the most columnar.
In other embodiments, top pressure ball may be used without other materials and makes, such as hard, wear-resistant plastics.
Claims (10)
1. bearing extractor, including the push rod holding installation axle for pushing up last item, it is characterized in that: also include drawing set, drawing set is threadeded with push rod, described drawing tackling has the sheathed cavity for being set on bearing to be removed along the axis direction of push rod, and described drawing puts to be provided with and holds out against the jackscrew on described bearing outer peripheral face after described bearing enters in described sheathed cavity.
Bearing extractor the most according to claim 1, it is characterised in that: described drawing set includes that support member is pressed on sleeve and the top with sleeve releasable connection, and described push rod is threaded on the pressure support member of described top, and described sheathed cavity is arranged on described sleeve.
Bearing extractor the most according to claim 2, it is characterised in that: described sleeve is threadeded with described top pressure support member.
Bearing extractor the most according to claim 2, it is characterised in that: described top pressure support member is provided with the spin-ended structure for preventing drawing set from rotating together when dismantling bearing along with described push rod.
Bearing extractor the most according to claim 4, it is characterised in that: described top pressure support member is provided with moment handle, and described moment handle forms described spin-ended structure.
Bearing extractor the most according to claim 5, it is characterised in that: described moment handle is threadeded with described top pressure support member.
Bearing extractor the most according to claim 6, it is characterized in that: described moment handle includes handle body, handle body has the thread segment for threadeding with described top pressure support member, described thread segment is threaded clamping nut, and described clamping nut holds out against on the pressure support member of described top.
8. according to the bearing extractor described in any one of claim 1 to 7, it is characterised in that: described push rod includes that the end of described top pressure section is provided with the top pressure ball holding installation axle for pushing up last item for being threaded in the top pressure section that described drawing puts.
Bearing extractor the most according to claim 8, it is characterised in that: described top pressure section includes that big footpath section and path section, described top pressure ball are arranged in described path section.
Bearing extractor the most according to claim 9, it is characterised in that: described top pressure ball is steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620455094.6U CN205734708U (en) | 2016-05-18 | 2016-05-18 | A kind of bearing extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620455094.6U CN205734708U (en) | 2016-05-18 | 2016-05-18 | A kind of bearing extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205734708U true CN205734708U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620455094.6U Active CN205734708U (en) | 2016-05-18 | 2016-05-18 | A kind of bearing extractor |
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| CN (1) | CN205734708U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671023A (en) * | 2016-12-27 | 2017-05-17 | 中国南方航空工业(集团)有限公司 | Bearing detachment device |
| CN108015717A (en) * | 2017-09-28 | 2018-05-11 | 中国航发动力股份有限公司 | A kind of dismantling device and application method of wire cutting guide wheel assembly |
| CN109955184A (en) * | 2017-12-26 | 2019-07-02 | 中冶宝钢技术服务有限公司 | A kind of carbon set online disassembling fixture of roller bearing |
| CN111318995A (en) * | 2019-06-25 | 2020-06-23 | 中国医学科学院阜外医院 | Guide vane dismounting device and method for axial flow type ventricular assist pump |
| CN111577734A (en) * | 2020-05-13 | 2020-08-25 | 中国航发沈阳发动机研究所 | Jackscrew structure |
| CN112894708A (en) * | 2021-02-26 | 2021-06-04 | 广西玉柴机器股份有限公司 | Gun dismantling reamer device and method |
-
2016
- 2016-05-18 CN CN201620455094.6U patent/CN205734708U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671023A (en) * | 2016-12-27 | 2017-05-17 | 中国南方航空工业(集团)有限公司 | Bearing detachment device |
| CN108015717A (en) * | 2017-09-28 | 2018-05-11 | 中国航发动力股份有限公司 | A kind of dismantling device and application method of wire cutting guide wheel assembly |
| CN109955184A (en) * | 2017-12-26 | 2019-07-02 | 中冶宝钢技术服务有限公司 | A kind of carbon set online disassembling fixture of roller bearing |
| CN111318995A (en) * | 2019-06-25 | 2020-06-23 | 中国医学科学院阜外医院 | Guide vane dismounting device and method for axial flow type ventricular assist pump |
| CN111318995B (en) * | 2019-06-25 | 2024-03-19 | 中国医学科学院阜外医院 | Guide vane dismounting device and method for axial flow type ventricular assist pump |
| CN111577734A (en) * | 2020-05-13 | 2020-08-25 | 中国航发沈阳发动机研究所 | Jackscrew structure |
| CN112894708A (en) * | 2021-02-26 | 2021-06-04 | 广西玉柴机器股份有限公司 | Gun dismantling reamer device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |