CN116175472B - Dismounting device of rotor - Google Patents
Dismounting device of rotor Download PDFInfo
- Publication number
- CN116175472B CN116175472B CN202211710903.XA CN202211710903A CN116175472B CN 116175472 B CN116175472 B CN 116175472B CN 202211710903 A CN202211710903 A CN 202211710903A CN 116175472 B CN116175472 B CN 116175472B
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- Prior art keywords
- rotor
- main shaft
- boss
- wall
- dish
- Prior art date
- 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
- 238000007789 sealing Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 19
- 239000010720 hydraulic oil Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination 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
-
- 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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The application relates to a dismounting device of rotor especially relates to the technical field of electric main shaft, and it is located including the cover main shaft that is equipped with the rotor is equipped with first boss on the main shaft of rotor rear side, first boss department cover is equipped with dismantles the dish, dismantles the dish with rotor tip butt, dismantles the dish inner wall with form airtight chamber between the first boss lateral wall, it still is equipped with the intercommunication on the dish to dismantle the hydraulic interface in airtight chamber, hydraulic interface is used for connecting the hydraulic pressure source. The application has the advantages of convenient disassembly and small influence on the inner diameter and the outer diameter of the main shaft and the rotor.
Description
Technical Field
The application relates to the technical field of motorized spindles, in particular to a rotor dismounting device.
Background
The electric spindle system is one of three high technologies (high-speed electric spindle, numerical control system and feed drive) of the numerical control machine tool, along with the leap development of the numerical control technology and cutting tools, more and more mechanical manufacturing equipment is continuously developed to high speed, high precision, high efficiency and high intelligence, and the electric spindle becomes one of the core functional components of the numerical control machine tool which is most suitable for the high-performance working condition. Compared with the traditional machine tool spindle, the electric spindle has the advantages of simple and compact structure, high efficiency, low noise, small vibration, high precision and the like, and the spindle is directly driven by the built-in motor, so that intermediate speed changing and transmission devices such as a belt, a gear and a coupling are omitted.
The utility model patent document of China with the publication number of CN217831896U discloses a pre-tightening mechanism of an electric spindle, the electric spindle and a numerical control machine tool, wherein the electric spindle body comprises a shell, a cooling water jacket arranged in the shell, a stator arranged in the cooling water jacket, a rotor arranged in the stator, a spindle in interference fit with the rotor, a front bearing chamber and a front bearing arranged at the front end of the spindle, a rear bearing chamber and a rear bearing arranged at the rear end of the spindle, steel ball sleeves and steel balls arranged between the shell and the rear bearing chamber, and a front end cover and a rear end cover arranged at the front end and the rear end of the shell.
For the related art, the rotor of the electric spindle is usually sleeved on the spindle in a hot-pressing or cold-pressing mode, so that the rotor is in interference fit with the spindle, but the rotor mounted in the mode is difficult to disassemble, and the disassembly and maintenance of the rotor are inconvenient.
Disclosure of Invention
In order to facilitate the disassembly of the rotor, the application provides a disassembly device of the rotor.
The application provides a dismounting device of rotor adopts following technical scheme:
the utility model provides a dismounting device of rotor, is located including the cover main shaft that is equipped with the rotor is equipped with first boss on the main shaft of rotor rear side, first boss department cover is equipped with dismantles the dish, dismantle the dish with rotor tip butt, dismantle the dish inner wall with form airtight chamber between the first boss lateral wall, it still is equipped with the intercommunication on the dismantlement dish the hydraulic interface in airtight chamber, hydraulic interface is used for connecting the hydraulic pressure source.
Through adopting above-mentioned technical scheme, when dismantling the rotor, pass through hydraulic interface and let in hydraulic oil to airtight chamber, hydraulic oil is full of between first boss lateral wall and the dismantlement dish inner wall, apply effort to first boss lateral wall and dismantlement dish inner wall when hydraulic oil extrudees, the main shaft is fixed simultaneously, make the dismantlement dish remove along the axis direction of main shaft first boss lateral wall, and then push against the rotor, make rotor and main shaft interference fit part stagger, then take off the rotor and accomplish the dismantlement of rotor, the dismantlement dish sets up when guaranteeing main shaft, rotor rigidity, do not influence the inside and outside diameter size of main shaft, rotor; many high-precision equipment can use small-size electric spindle, and the space that equipment left for electric spindle is compact, still some lathe, like double-end lathe, electric spindle slides on the guide rail, if electric spindle is too heavy too can influence the speed, so when thinking the dismantlement structure, hope that the dismantlement structure of adding can not influence main shaft, rotor's volume and rigidity as far as possible, so set up dismantlement structure in rotor one side, and the hydraulic structure is supported to the design hydraulic structure of recombination cost, convenience, practicality and is dismantled on one side of pushing away the rotor.
Optionally, be equipped with annular oil filler groove on the dismantlement dish inner wall, all be equipped with the sealing washer on the dismantlement dish inner wall at oil filler groove both ends, the sealing washer butt the main shaft outer wall, dismantlement dish inner wall the main shaft outer wall with seal ring encloses and establishes into airtight chamber.
By adopting the technical scheme, the hydraulic oil in the closed cavity applies force to the circumferential sides of the inner walls of the first boss and the dismounting disc, the circumferential sides of the dismounting disc and the main shaft are uniformly stressed, and the hydraulic pushing efficiency is high; the sealing ring seals the two ends of the oil injection groove, so that the possibility of oil leakage and pressure relief at the two ends of the oil injection groove during disassembly is reduced, the tightness of the airtight cavity is ensured, the sealing effect is good, the materials are easy to obtain, and the cost is low.
Optionally, be located on the main shaft of first boss rear side the interval is equipped with a plurality of second bosss, follows a plurality of second boss diameters that main shaft front end to rear end direction set up reduce gradually, the rotor with the mesa interference fit of second boss, the rotor other part with leave the interval between the main shaft outer wall, second boss width is less than or equal to airtight chamber width.
Through adopting above-mentioned technical scheme, the rotor only has both ends and main shaft interference fit, and during the hydraulic pressure dismantles, the dismantlement dish only need remove second boss width distance can make rotor and main shaft interference fit part stagger, and the width in the airtight chamber of dismantlement dish so need not be too big, has effectively utilized the limited space of main shaft, has saved the installation space of dismantling the dish.
Optionally, brackets for supporting the main shaft are arranged at two ends of the main shaft.
Through adopting above-mentioned technical scheme, during the dismantlement, with main shaft, rotor horizontal on the support, hydraulic pressure supports pushes away and makes rotor and main shaft interference fit part after staggering, takes down the rotor, and horizontal dismantlement is comparatively safe, convenient.
Optionally, the hydraulic interface is connected with an oil pipe of the hydraulic station.
By adopting the technical scheme, the hydraulic station is common equipment in factories, and the hydraulic station is directly used for supplying pressure, so that the hydraulic station is convenient to use.
Optionally, an infrared sensor is arranged on the bracket, an optical path of the infrared sensor is positioned on a moving track of the rotor, and the infrared sensor is electrically connected with a main control system of the hydraulic station.
Through adopting above-mentioned technical scheme, for the rational utilization main shaft space, as far as possible reduce dismantlement dish occupation space, when rotor and main shaft interference part stagger, it is just about to stagger with first boss to dismantle the dish, need artifical observation rotor travel distance this moment, judge when closing the hydraulic pressure station oil pipe of hydraulic interface department, because there is the error in artifical observation, often can appear dismantling the dish and stagger the back with first boss, the hydraulic pressure station still is supplying liquid, hydraulic oil splashes and go out from the clearance department of dismantling dish and first boss, influence the surrounding environment, so through setting up infrared sensor response rotor travel distance, and with signal transmission for hydraulic pressure station master control system, make rotor and main shaft interference part stagger the back, the master control system of hydraulic pressure station can control oil pipe to close, stop supplying liquid to airtight chamber, but timely automatic stop supplies liquid after dismantling, the possibility that hydraulic oil splashes has been reduced.
Optionally, a positioning block is arranged on the side wall of the oil injection groove at the rear side of the side wall of the first boss, and the positioning block can be abutted with the side wall of the first boss.
Through adopting above-mentioned technical scheme, dismantle the back with the rotor, will dismantle the dish and remove to the rear end, until locating piece and second boss lateral wall butt, dismantle the dish and reset to wait for the next use, dismantle the dish and reset, the location is convenient.
Optionally, the inner walls of the disassembling discs at two ends of the oil injection groove are respectively provided with an installing groove, and the sealing rings are clamped in the installing grooves.
By adopting the technical scheme, the sealing ring is plugged into the mounting groove, the dismounting disc is sleeved on the main shaft, and when the dismounting disc is dismounted, the sealing ring moves along with the movement of the dismounting disc, and the sealing ring is convenient to mount and use.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the disassembly disc, the closed cavity and the hydraulic interface are arranged, so that the rotor is convenient to disassemble from the main shaft, and the influence of the disassembly structure on the main shaft, the rotor volume and the weight is reduced;
2. by arranging the second boss, the rotor and the interference fit part of the main shaft can be staggered only by moving the second boss by a distance, so that the width of the closed cavity of the disassembling disc is not too large, the limited space of the main shaft is effectively utilized, and the installation space of the disassembling disc is saved;
3. through setting up support and infrared sensor for after main shaft and rotor interference part stagger, can in time automatic control hydraulic pressure station stop to airtight chamber feed liquid, and then reduce the possibility that hydraulic oil splashes.
Drawings
FIG. 1 is a schematic view of the overall structure of a rotor dismounting device according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is an enlarged schematic view of portion B of FIG. 2;
reference numerals: 1. a bracket; 11. a mounting plate; 12. an infrared sensor; 2. a main shaft; 21. a first boss; 22. a second boss; 3. a bearing; 4. a rotor; 5. disassembling the disc; 51. an oil injection groove; 52. a hydraulic interface; 53. a mounting groove; 54. a positioning block; 6. a seal ring; 7. a front end; 8. and a rear end.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a dismounting device of rotor. Referring to fig. 1, a dismounting device for a rotor 4 includes a bracket 1, a main shaft 2 mounted on the bracket 1, a rotor 4 sleeved on the circumference of the front end 7 of the main shaft 2 and sleeved on the middle of the main shaft 2; the rotor 4 is usually assembled on the spindle 2 by hot pressing or cold pressing, the rotor 4 is tightly matched with the spindle 2, the disassembly is inconvenient, the disassembly structure is needed to be additionally arranged on the spindle 2 for facilitating the disassembly and maintenance of the rotor 4, but when the disassembly structure is considered, the influence of the additionally arranged disassembly structure on the volume and weight of the spindle 2 and the rotor 4 is needed to be reduced as much as possible, because the increase of the inner diameter and the outer diameter of the spindle 2 and the rotor 4 can increase the volume and the weight of the electric spindle and influence the output moment, a user does not want the spindle 2 and the rotor 4 to be too heavy in many cases, such as a double-end machine tool, the electric spindle is arranged on a guide rail to move back and forth, the shaft is too heavy to influence the running speed, and for example, the space for the electric spindle unit is left compact in the equipment for some high-precision equipment for installing the small-sized electric spindle.
In order to facilitate the disassembly of the rotor 4 and reduce the influence of the additional structure on the volume and weight of the main shaft 2 and the rotor 4 as much as possible, the disassembly structure is additionally arranged on one side of the rotor 4, the main shaft 2 between the bearing 3 and the rotor 4 is integrally provided with a ring-shaped first boss 21, the first boss 21 is sleeved with a disassembly disc 5, the inner wall of the disassembly disc 5 is provided with an oil injection groove 51, the side wall of the oil injection groove 51 positioned on the rear side of the side wall of the first boss 21 is fixedly provided with a convex positioning block 54, before disassembly, the positioning block 54 is abutted against the side wall of the first boss 21, and a gap is reserved between the inner wall of the disassembly disc 5 and the side wall of the first boss 21; the inner walls of the disassembling disc 5 positioned at the two ends of the oil injection groove 51 are provided with mounting grooves 53, O-shaped rubber rings are clamped in the mounting grooves 53, the rubber rings are abutted against the outer wall of the main shaft 2, and therefore a closed cavity is formed by the inner walls of the disassembling disc 5, the rubber rings and the outer wall of the main shaft 2; the disassembly disc 5 is further provided with a hydraulic interface 52 communicated with the oil injection groove 51, the hydraulic interface 52 is connected with an oil pipe of a hydraulic station, hydraulic oil is injected into the oil injection groove 51 through a factory building common equipment hydraulic station for pressure supply, the hydraulic oil applies pressure to the inner wall of the disassembly disc 5 and the side wall of the first boss 21, the disassembly disc 5 retreats, and then the pushing rotor 4 retreats, so that the interference fit part of the rotor 4 and the main shaft 2 is staggered, the rotor 4 is not damaged to be disassembled, meanwhile, one side of the rotor 4 is arranged, the inner diameter and the outer diameter of the main shaft 2 and the rotor 4 are not influenced, and the size and the weight of a main shaft 2 unit are less influenced.
If according to the prior art, the inner wall of the rotor 4 and the outer wall of the spindle 2 are in interference fit completely, the rotor 4 needs to move backwards for a long distance to enable the excessive parts to be staggered, so that the width of the dismounting disc 5 needs to be long, and the spindle 2 needs to be long, so that the space occupied by the dismounting disc 5 is reduced, referring to fig. 2 and 4, a plurality of smaller annular second bosses 22 are integrally arranged on the spindle 2 at intervals at the rear side of the first boss 21, the diameters of the plurality of second bosses 22 gradually decrease along the direction from the front end 7 to the rear end 8 of the spindle 2, the rotor 4 and the table tops of the plurality of second bosses 22 are in interference fit, in the embodiment, two second bosses 22 are arranged at two ends of the rotor 4, a gap is reserved between the inner wall of the middle of the rotor 4 and the outer wall of the spindle 2, so that the rotor 4 only needs to move the width distance of the second bosses 22 to cancel the interference fit with the spindle 2, the width of the sealing cavity of the dismounting disc 5 only needs to be larger than the width of the second bosses 22, and the space occupied by the dismounting disc 5 is smaller.
For reasonable utilization of space, the width of the disassembling disc 5 is limited generally, namely after the interference fit part of the rotor 4 and the main shaft 2 is staggered, the closed cavity of the disassembling disc 5 is staggered with the first boss 21, liquid supply is stopped at the moment, the moving distance of the rotor 4 is required to be observed manually when liquid supply is stopped, liquid supply of a hydraulic station is continuous, errors are easy to occur in manual observation, the hydraulic station is still supplying liquid after the closed cavity of the disassembling disc 5 is staggered with the first boss 21, and hydraulic oil splashes from the gap between the disassembling disc 5 and the first boss 21, so that the surrounding environment is influenced.
In order to stop liquid supply in time and reduce the possibility of splashing of hydraulic oil during disassembly, referring to fig. 1, a bracket 1 and a main shaft 2 are fixed at a placement position on the bracket 1, a mounting plate 11 is arranged on the bracket 1, an infrared sensor 12 connected with a hydraulic station main control system through a wire is arranged on the mounting plate 11, the infrared sensor is a correlation photoelectric sensor and comprises a light emitter and a light receiver, a detection circuit is arranged in the light receiver, the light emitter and the light receiver are respectively positioned at two sides of a falling track of a rotor 4, meanwhile, the light paths of the light emitter and the light receiver are avoided from the main shaft 2, the rotor 4 moves along the length direction of the main shaft 2 for a certain distance to shade the light paths, the detection circuit in the light receiver outputs a switch control signal to a main control system of a hydraulic station, and the hydraulic station stops liquid supply; in this embodiment, the distance between the optical path of the infrared sensor 12 and the rotor 4 along the length direction of the spindle 2 is equal to or slightly greater than the width of the second boss 22, and the accuracy of detecting the moving distance of the rotor 4 by the infrared sensor is high, the signal transmission is fast, and the timeliness is good.
The implementation principle of the embodiment of the application is as follows: during disassembly, two ends of the main shaft 2 are transversely erected on the support 1, an oil pipe of a hydraulic station is connected with the hydraulic interface 52 for supplying liquid, the side wall of a first boss 21 of the hydraulic oil tank and the inner wall of the disassembly disc 5 apply acting force, the disassembly disc 5 retreats, and further the rotor 4 is pushed to retreat until the width distance of a second boss 22 is rotationally moved, and the interference part of the rotor 4 and the main shaft 2 is staggered; at this time, the rotor 4 shields the optical path of the infrared sensor, the infrared sensor transmits a switching signal to the main control system of the hydraulic station, the hydraulic station stops supplying liquid, the oil pipe at the hydraulic interface 52 is pulled out, and the rotor 4, the dismounting disc 5 and the front end 7 bearing 3 are dismounted in sequence for maintenance.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The utility model provides a dismounting device of rotor, is equipped with main shaft (2) of rotor (4) including the cover, its characterized in that: a first boss (21) is arranged on the main shaft (2) positioned at the front side of the rotor (4), a disassembly disc (5) is sleeved at the first boss (21), the disassembly disc (5) is abutted with the end part of the rotor (4), a closed cavity is formed between the inner wall of the disassembly disc (5) and the side wall of the first boss (21), a hydraulic interface (52) communicated with the closed cavity is further arranged on the disassembly disc (5), and the hydraulic interface (52) is used for connecting a hydraulic source; be located interval is equipped with a plurality of second bosss (22) on main shaft (2) of first boss (21) rear side, follows a plurality of second bosss (22) diameters that main shaft (2) front end (7) to rear end (8) direction set up reduce gradually, rotor (4) with mesa interference fit of second boss (22), the rest of rotor (4) with leave the interval between main shaft (2) outer wall, second boss (22) width is less than or equal to airtight chamber width.
2. A rotor dismounting device as claimed in claim 1, wherein: the utility model discloses a sealed spindle, including dismantling dish (5) inner wall, dismantlement dish (5) inner wall, be equipped with annular oil filler groove (51) on dismantling dish (5) inner wall at oil filler groove (51) both ends all is equipped with sealing washer (6), sealing washer (6) butt main shaft (2) outer wall, dismantle dish (5) inner wall main shaft (2) outer wall with sealing washer (6) enclose and establish into airtight chamber.
3. A rotor dismounting device as claimed in claim 1, wherein: and brackets (1) used for supporting the main shaft (2) are arranged at two ends of the main shaft (2).
4. A rotor dismounting device as claimed in claim 3, wherein: and the hydraulic interface (52) is connected with an oil pipe of a hydraulic station.
5. A rotor dismounting device as defined in claim 4, wherein: the hydraulic station is characterized in that an infrared sensor (12) is arranged on the support (1), an optical path of the infrared sensor (12) is located on a moving track of the rotor (4), and the infrared sensor (12) is electrically connected with a main control system of the hydraulic station.
6. A rotor dismounting device as claimed in claim 2, wherein: the side wall of the oil injection groove (51) positioned at the rear side of the side wall of the first boss (21) is provided with a positioning block (54), and the positioning block (54) can be abutted against the side wall of the first boss (21).
7. A rotor dismounting device as claimed in claim 2, wherein: the inner walls of the dismounting discs (5) positioned at the two ends of the oil injection groove (51) are respectively provided with an installation groove (53), and the sealing rings (6) are clamped in the installation grooves (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211710903.XA CN116175472B (en) | 2022-12-29 | 2022-12-29 | Dismounting device of rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211710903.XA CN116175472B (en) | 2022-12-29 | 2022-12-29 | Dismounting device of rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116175472A CN116175472A (en) | 2023-05-30 |
| CN116175472B true CN116175472B (en) | 2024-01-02 |
Family
ID=86441465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211710903.XA Active CN116175472B (en) | 2022-12-29 | 2022-12-29 | Dismounting device of rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116175472B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406679A (en) * | 2018-04-18 | 2018-08-17 | 奥戈恩（广州）泵业有限公司 | A kind of extracting tool and method of rotor of cam rotor pump |
| CN210025140U (en) * | 2019-05-13 | 2020-02-07 | 上海锦斯生物技术有限公司 | Rotor dismounting device |
| CN211193714U (en) * | 2019-12-18 | 2020-08-07 | 浙江辛子精工机械有限公司 | Horizontal dismouting machine of electricity main shaft |
| CN211439786U (en) * | 2019-12-20 | 2020-09-08 | 天津巴泰克精密机床有限公司 | Hydraulic expansion sleeve for disassembling motor rotor |
| CN215617806U (en) * | 2021-08-16 | 2022-01-25 | 青岛正邦机械有限公司 | Hydraulic expansion-disassembly mechanism for shaft and transmission sleeve of shaft in interference fit |
| CN114102509A (en) * | 2021-11-02 | 2022-03-01 | 中船澄西船舶修造有限公司 | Pump shaft disassembling tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6249958B1 (en) * | 1991-07-29 | 2001-06-26 | Sensible Products, Inc. | Method of using a pulling tool |
| US6599067B2 (en) * | 2001-03-26 | 2003-07-29 | Atomic Energy Of Canada Limited | Apparatus for removing pressure tubes |
-
2022
- 2022-12-29 CN CN202211710903.XA patent/CN116175472B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406679A (en) * | 2018-04-18 | 2018-08-17 | 奥戈恩（广州）泵业有限公司 | A kind of extracting tool and method of rotor of cam rotor pump |
| CN210025140U (en) * | 2019-05-13 | 2020-02-07 | 上海锦斯生物技术有限公司 | Rotor dismounting device |
| CN211193714U (en) * | 2019-12-18 | 2020-08-07 | 浙江辛子精工机械有限公司 | Horizontal dismouting machine of electricity main shaft |
| CN211439786U (en) * | 2019-12-20 | 2020-09-08 | 天津巴泰克精密机床有限公司 | Hydraulic expansion sleeve for disassembling motor rotor |
| CN215617806U (en) * | 2021-08-16 | 2022-01-25 | 青岛正邦机械有限公司 | Hydraulic expansion-disassembly mechanism for shaft and transmission sleeve of shaft in interference fit |
| CN114102509A (en) * | 2021-11-02 | 2022-03-01 | 中船澄西船舶修造有限公司 | Pump shaft disassembling tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116175472A (en) | 2023-05-30 |
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