CN110259729B - Frock of engine bearing, rotor and fan blade seat assembly - Google Patents
Frock of engine bearing, rotor and fan blade seat assembly Download PDFInfo
- Publication number
- CN110259729B CN110259729B CN201910507009.4A CN201910507009A CN110259729B CN 110259729 B CN110259729 B CN 110259729B CN 201910507009 A CN201910507009 A CN 201910507009A CN 110259729 B CN110259729 B CN 110259729B
- Authority
- CN
- China
- Prior art keywords
- rotor
- groove
- bearing
- longitudinal
- fan blade
- 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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- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture Of Motors, Generators (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a tool for assembling an engine bearing, a rotor and a fan blade seat, wherein the base is arranged on a press, the fan blade seat is placed in a circular groove, then the rotor is inserted into the fan blade seat, the rotor is inserted into a first longitudinal groove, the bearing is placed in the groove, the upright post is inserted into an inner ring of the bearing, then the upright post is inserted into a central through hole of a rotating shaft, the rotor is pressed by a clamping device, and finally the bearing and the fan blade seat are arranged on the rotating shaft of the rotor by pressing on a pressure plate by the press. The whole process is simple to operate, and the bearing and the fan blade seat can be simultaneously installed on the rotating shaft without two-time installation, so that the time is saved, the working efficiency is improved, the workers do not need to hold the workpiece, and the potential safety hazard is eliminated.
Description
[ field of technology ]
The invention relates to the technical field of assembly of engines, in particular to a tool for assembling an engine bearing, a rotor and a fan blade seat.
[ background Art ]
A conventional single-bearing generator rotor assembly 200, as shown in fig. 1, includes a rotor 201, a blade seat 202, and a bearing 203; the radius of the iron core 2014 of the rotor 201 is R, the width is B, the rotating shaft of the rotor is provided with a central through hole 2011, the bearing 203 is arranged at the rear end 2012 of the rotating shaft, the fan blade seat 202 is arranged at the front end 2013 of the rotating shaft, the bearing 203, the fan blade seat 202 and the rotating shaft are in tight fit, the bearing and the fan blade seat 202 are all required to be pressed by a press, the bearing and the fan blade seat are generally pressed by two independent times at present, the workpiece is required to be held by hands in the pressing process, and the defects of potential safety hazard, low production efficiency and the like exist.
[ invention ]
In order to overcome the defects of the prior equipment, the invention provides the tool for assembling the engine bearing, the rotor and the fan blade seat, which has the advantages of simple structure and convenient operation, and can press-assemble the bearing, the fan blade seat and the rotor at the same time, thereby improving the working efficiency, eliminating potential safety hazards and improving the safety without holding workpieces during press-assembling.
The invention is realized in the following way: a tool for assembling an engine bearing, a rotor and a fan blade seat comprises a clamping device, a base and a pressure plate for positioning the bearing on a central through hole of the rotor;
the base comprises a bottom plate and a rear vertical plate; the bottom plate is provided with a circular groove for placing the fan blade seat; the inner wall of the rear vertical plate is provided with a first longitudinal groove for positioning and placing the rotor; the rear vertical plate and the clamping device are respectively arranged on the bottom plate and positioned at two sides of the circular groove, and the first longitudinal groove and the clamping device are oppositely arranged;
the pressure plate is provided with a groove; the center of the groove is provided with a stand column, and a boss is arranged at the connection part of the stand column and the groove.
Further, the device also comprises a magnetic piece; a second longitudinal groove is formed in the center in the first longitudinal groove; the magnetic member is mounted in the second longitudinal groove.
Further, the second longitudinal groove is a dovetail groove, the magnetic piece is magnetic steel, and the shape of the magnetic piece is matched with that of the second longitudinal groove.
Further, the end face of the magnetic piece is flush with the bottom face of the first longitudinal groove.
Further, two stepped through holes are further formed in the bottom plate, and the two stepped through holes are located on the left side and the right side of the circular groove.
Further, the clamping device is a bolt; the bolt comprises a cross rod and a longitudinal rod which are connected with each other; the end part of the cross rod is also provided with a roller; the cross section of the longitudinal rod is square; the bottom plate is provided with a bolt through hole with a rectangular cross section, the width of the bolt through hole is equal to that of the longitudinal rod, and the length of the bolt through hole is larger than the thickness of the longitudinal rod; so that the longitudinal rod is obliquely inserted into the bolt through hole, and the transverse rod is in an oblique state and faces the first longitudinal groove.
Further, the vertical center line of the bolt through hole and the vertical center line of the first longitudinal groove are in the same vertical plane.
The invention has the advantages that: the invention provides a tool for assembling an engine bearing, a rotor and a fan blade seat, wherein the base is arranged on a press, the fan blade seat is placed in a circular groove, then the rotor is inserted into the fan blade seat, the rotor is inserted into a first longitudinal groove, the bearing is placed in the groove, the upright post is inserted into an inner ring of the bearing, then the upright post is inserted into a central through hole of a rotating shaft, the rotor is pressed by a clamping device, and finally the bearing and the fan blade seat are arranged on the rotating shaft of the rotor by pressing on a pressure plate by the press. The whole process is simple to operate, and the bearing and the fan blade seat can be simultaneously installed on the rotating shaft without two-time installation, so that the time is saved, the working efficiency is improved, the workers do not need to hold the workpiece, and the potential safety hazard is eliminated.
[ description of the drawings ]
The invention will be further described with reference to examples of embodiments with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a single bearing generator rotor assembly in the background art.
Fig. 2 is a schematic diagram of the tooling according to the present invention.
Fig. 3 is a schematic view of a first use state of the tool according to the present invention.
Fig. 4 is a schematic diagram of a second use state of the tool according to the present invention.
Fig. 5 is a schematic structural view of a base according to the present invention.
Fig. 6 is a schematic structural view of a platen according to the present invention.
In the figure: 100. tool for assembling engine bearing, rotor and blade seat; 1. a base, 11, a bottom plate, 111, a circular groove, 112, a bolt through hole, 113, a step through hole, 12, a rear side vertical plate, 121, a first longitudinal groove, 1211, a bottom surface, 122 a second longitudinal groove, 2, a clamping device, 21, a cross bar, 22, a longitudinal bar, 23, a roller, 3, a platen, 31, a groove, 32, a boss, 33, a column, 4, a magnetic member,
l1, the width of the bolt through hole, L2, the length of the bolt through hole, L3, the width of the vertical rod, L4 and the thickness of the vertical rod;
200. a single-bearing generator rotor assembly, 201, a rotor, 2011, a central through hole, 2012, the rear end of a rotating shaft, 2013, the front end of the rotating shaft, 2014, an iron core, 202, a fan blade seat, 2021, a central inner hole, 203 and a bearing,
r, the radius of the iron core, B, the width of the iron core, D and the diameter of the fan blade seat.
[ detailed description ] of the invention
Referring to fig. 1 to 6, the present invention provides a tool 100 for assembling an engine bearing, a rotor and a blade holder, comprising a clamping device 2, a base 1, and a platen 3 for positioning the bearing on a central through hole of the rotor;
the base 1 comprises a bottom plate 11 and a rear vertical plate 12; the bottom plate 11 is provided with a circular groove 111 for placing the fan blade seat, the diameter of the circular groove is equal to the diameter D of the fan blade seat 202, when the fan blade seat 202 is placed in the circular groove 111 in operation, and when the fan blade seat 202 is in specific implementation, clearance fit is adopted, so that the fan blade seat 202 is conveniently placed; the inner wall of the rear vertical plate 12 is provided with a first longitudinal groove 121 for positioning and placing the rotor, the groove width of the first longitudinal groove 121 is the same as the width B of the iron core 2014 of the rotor 201, and the distance from the bottom surface of the first longitudinal groove 121 to the center of the circular groove 111 is equal to the radius R of the iron core 2014 of the rotor 201 by adopting clearance fit, so that the first longitudinal groove 121 can position and clamp the rotor 201; the rear side riser 12 and the clamping device 2 are respectively mounted on the bottom plate 11 and are positioned at two sides of the circular groove 111, and the first longitudinal groove 121 and the clamping device 2 are oppositely arranged;
the pressing plate 3 is provided with a groove 31, the diameter of which is the same as the outer diameter of the bearing 203, and the groove 31 is in clearance fit, so that the bearing 203 is arranged in the groove 31 for limiting and is inserted into a central through hole 2011 for positioning through the upright post 33; a column 33 is arranged at the center of the groove 31, and a boss 32 is further arranged at the connection part of the column 33 and the groove 31. In a specific implementation, the diameter of the boss 32 is larger than the inner hole diameter of the inner ring of the bearing 203 and smaller than or equal to the outer diameter of the inner ring of the bearing 203, so that the boss 32 only contacts with the inner ring of the bearing 203 when in use, and only the inner ring of the bearing 203 is stressed without crushing the bearing. When in use, the pressing plate 3 is sleeved on the bearing 203, the boss 32 is tightly attached to the end face of the inner ring of the bearing 203, the bearing 203 is protected in press fitting, the diameter of the upright post 33 is the same as that of the central through hole 2011 of the rotating shaft of the rotor 201, and by adopting clearance fit, the upright post 33 is inserted into the central through hole 2011 of the rear end 2012 of the rotating shaft of the rotor 201 during working, and the centering and stabilizing effects of the bearing 203 are achieved.
The using mode is as follows: the base 1 is mounted on a working table of a press, and the base plate 11 can be pressed by bolting or by a combination of bolts and pressing plates to be fixed. Placing the fan blade seat 202 into the circular groove 111, then inserting the front end 2013 of the rotating shaft of the rotor 201 downwards on the central inner hole 2021 of the fan blade seat 202, waiting to be pressed into the central inner hole 2021 later, then clamping the rotor core 2014 into the first longitudinal groove 121 and pressing by the clamping device 2, so that the rotor 201 is clamped by the clamping device 2 and the bottom surface of the first longitudinal groove 121 in the front-back direction, and is limited by the two side walls of the first longitudinal groove 121 in the left-right direction; then, the pressing plate 3 is sleeved on the bearing 203, the upright post 33 is inserted into the inner ring of the bearing 203, the boss 32 is tightly attached to the end face of the inner ring of the bearing 203, the bearing 203 is protected in press fitting, and the upright post 33 is inserted into the central through hole 2011, so that the centering and stabilizing effects of the bearing 203 are achieved. Then the press is started to work, and the piston rod of the press presses the pressure plate 3 so as to press the fan blade seat 202 and the bearing 203 into the rotating shaft of the rotor 201, and the installation can be completed only once.
In the implementation, the device also comprises a magnetic piece 4; a second longitudinal groove 122 is further formed in the center of the first longitudinal groove 121; the magnetic member 4 is mounted in the second longitudinal recess 122. Through the iron core 2014 of rotor 201 is sucked to rotor 201 is sucked, makes rotor 201 erect more steadily, simultaneously with rotor 201 put into behind the first longitudinal groove 121 and before clamping with clamping device 2 still not before rotor 201 is difficult for follow first longitudinal groove 121 is emptyd, convenient operation, and guarantees operation safety, is difficult for breaking the rotor, drops even and smashes the workman.
The second longitudinal groove 122 is a dovetail groove, the magnetic piece 4 is magnetic steel, the shape of the magnetic piece 4 is matched with that of the second longitudinal groove 122, and meanwhile, the magnetic piece 4 can be prevented from falling out of the second longitudinal groove 122 due to the dovetail groove.
The end face of the magnetic member 4 is flush with the bottom surface 1211 of the first longitudinal groove 121. Of course, in other embodiments, the end surface of the magnetic member 4 may be located in the second longitudinal groove 122, or may provide attraction force, for example, only the magnetic member 4 with a larger magnetic force, for example, strong magnetism, or increase the size of the magnetic member 4 under the same condition, so as to increase the magnetic force of the magnetic member 4, which is of course not as good as the end surface of the magnetic member 4 and the surface of the iron core 2014 are flush and in contact with each other. The magnetic member 4 is mounted on the upper portion of the second longitudinal groove 122, that is, the portion of the rear side riser 12 contacting the core 2014, and serves to effectively attract the core 2014. In a specific implementation, the base 1 is made of steel, and the magnetic member 4 is directly absorbed in the second longitudinal groove 122.
Two stepped through holes are further formed in the bottom plate 11, and the two stepped through holes are located on the left side and the right side of the circular groove. The base plate 11 is mounted on the table of the press by bolts through the stepped holes.
As shown in fig. 2 to 4, the clamping device 2 is a bolt 2; the bolt 2 comprises a cross bar 21 and a longitudinal bar 22 which are connected with each other; the end part of the cross bar 21 is also provided with a roller 23, and the cross section of the longitudinal bar 22 is square; the bottom plate 11 is provided with a bolt through hole 112 with a rectangular cross section, the width L1 of the bolt through hole 112 is equal to the width L3 of the vertical rod 22, the vertical rod 22 can be prevented from swinging in the left-right direction, the length L2 of the bolt through hole 112 is greater than the thickness L4 of the vertical rod 22, so that the vertical rod 22 can be obliquely inserted into the bolt through hole 112. The vertical center line of the pin through hole 112 and the vertical center line of the first longitudinal groove 121 are in the same vertical plane, so that the pressing force applied to the rotor is more reasonable, and the rotor is not easy to skew. In the embodiment shown in the drawings, an open groove is formed at the end of the cross bar 21, the roller 23 is rotatably sleeved on a fixed shaft, and two ends of the fixed shaft are fixedly arranged on two side walls of the open groove.
This is to explain the positional relationship between the latch through hole 112 and the horizontal bar 21 and the vertical bar 22: the distance of the pin through hole 112 from the center of the circular recess 111 is not particularly required, and when the distance is far, the length of the cross bar 21 may be increased; when the distance is short, the cross bar 21 can also be made shorter; the length of the vertical rod 22 only needs to ensure that the roller 23 can be pressed to a height that matches the height of the rear riser 12, and these dimensions can be set according to the size of the rotor 201 and the diameter of the core 2014. The latch through hole 112 may be formed as a square inclined hole having the same cross section as the longitudinal bar 22, but may be formed as a vertical rectangle Kong Fangbian.
The clamping device 2 adopts the design mode of the bolt 2, and has the following advantages: the rotor 201 is convenient to install, and when the rotor 201 is installed, the bolt is firstly taken off, so that more space is left for the installation of the rotor, the installation of the rotor 201 into the first longitudinal groove 121 is not hindered, and the operation is convenient; similarly, after the rotor 201, the fan blade seat 202 and the bearing 203 are installed, the single-bearing generator rotor assembly 200 can be conveniently taken out from the base 1 only by pulling up the plug pin 2.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the invention, and that equivalent modifications and variations of the invention in light of the spirit of the invention will be covered by the claims of the present invention.
Claims (3)
1. The utility model provides a frock of engine bearing, rotor and fan blade seat assembly which characterized in that: comprises a clamping device, a base and a pressure plate for positioning a bearing on a central through hole of a rotor;
the base comprises a bottom plate and a rear vertical plate; the bottom plate is provided with a circular groove for placing the fan blade seat; the inner wall of the rear vertical plate is provided with a first longitudinal groove for positioning and placing the rotor; the rear vertical plate and the clamping device are respectively arranged on the bottom plate and positioned at two sides of the circular groove, and the first longitudinal groove and the clamping device are oppositely arranged;
the pressure plate is provided with a groove; a column is arranged at the center of the groove, and a boss is arranged at the connection part of the column and the groove;
the magnetic part is arranged on the upper surface of the magnetic part; a second longitudinal groove is formed in the center in the first longitudinal groove; the magnetic piece is arranged in the second longitudinal groove;
the second longitudinal groove is a dovetail groove, the magnetic piece is magnetic steel, and the shape of the magnetic piece is matched with that of the second longitudinal groove;
the bottom plate is also provided with two stepped through holes which are positioned at the left side and the right side of the circular groove;
the clamping device is a bolt; the bolt comprises a cross rod and a longitudinal rod which are connected with each other; the end part of the cross rod is also provided with a roller; the cross section of the longitudinal rod is square; the bottom plate is provided with a bolt through hole with a rectangular cross section, the width of the bolt through hole is equal to that of the longitudinal rod, and the length of the bolt through hole is larger than the thickness of the longitudinal rod; so that the longitudinal rod is obliquely inserted into the bolt through hole, and the transverse rod is in an oblique state and faces the first longitudinal groove.
2. The tooling for assembling an engine bearing, rotor and blade carrier of claim 1, wherein: the end face of the magnetic piece is flush with the bottom face of the first longitudinal groove.
3. The tooling for assembling an engine bearing, rotor and blade carrier of claim 1, wherein: the vertical center line of the bolt through hole and the vertical center line of the first longitudinal groove are in the same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507009.4A CN110259729B (en) | 2019-06-12 | 2019-06-12 | Frock of engine bearing, rotor and fan blade seat assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507009.4A CN110259729B (en) | 2019-06-12 | 2019-06-12 | Frock of engine bearing, rotor and fan blade seat assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110259729A CN110259729A (en) | 2019-09-20 |
| CN110259729B true CN110259729B (en) | 2024-02-13 |
Family
ID=67917756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507009.4A Active CN110259729B (en) | 2019-06-12 | 2019-06-12 | Frock of engine bearing, rotor and fan blade seat assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110259729B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881051A (en) * | 2021-01-14 | 2021-06-01 | 京东数科海益信息科技有限公司 | Testing tool and testing system of lifting mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204277389U (en) * | 2014-11-28 | 2015-04-22 | 都江堰龙鼎镁铝科技发展有限公司 | A kind of high precision pressure fitting device for engine oil pump rotor press-mounting |
| CN105020159A (en) * | 2015-08-17 | 2015-11-04 | 江门市科业电器制造有限公司 | Universal rotary fan |
| CN107888010A (en) * | 2017-11-17 | 2018-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of motor sealing structure and motor |
| CN108994576A (en) * | 2018-08-29 | 2018-12-14 | 贵州华烽电器有限公司 | A kind of tooling being pressed rotor bearing |
| CN210599581U (en) * | 2019-06-12 | 2020-05-22 | 福建永强力加动力设备有限公司 | Tool for assembling engine bearing, rotor and fan blade seat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200734549A (en) * | 2006-03-10 | 2007-09-16 | Sunonwealth Electr Mach Ind Co | Cooling fan structure |
-
2019
- 2019-06-12 CN CN201910507009.4A patent/CN110259729B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204277389U (en) * | 2014-11-28 | 2015-04-22 | 都江堰龙鼎镁铝科技发展有限公司 | A kind of high precision pressure fitting device for engine oil pump rotor press-mounting |
| CN105020159A (en) * | 2015-08-17 | 2015-11-04 | 江门市科业电器制造有限公司 | Universal rotary fan |
| CN107888010A (en) * | 2017-11-17 | 2018-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of motor sealing structure and motor |
| CN108994576A (en) * | 2018-08-29 | 2018-12-14 | 贵州华烽电器有限公司 | A kind of tooling being pressed rotor bearing |
| CN210599581U (en) * | 2019-06-12 | 2020-05-22 | 福建永强力加动力设备有限公司 | Tool for assembling engine bearing, rotor and fan blade seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110259729A (en) | 2019-09-20 |
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