CN211614823U - Main helium fan is with driving motor auxiliary bearing rotor cover dismouting frock structure - Google Patents
Main helium fan is with driving motor auxiliary bearing rotor cover dismouting frock structure Download PDFInfo
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- CN211614823U CN211614823U CN201922396657.5U CN201922396657U CN211614823U CN 211614823 U CN211614823 U CN 211614823U CN 201922396657 U CN201922396657 U CN 201922396657U CN 211614823 U CN211614823 U CN 211614823U
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Abstract
The utility model provides a main helium fan is with driving motor auxiliary bearing rotor cover dismouting frock structure, belongs to bearing rotor cover dismouting frock technical field. The dismouting disc is the ring shape, is equipped with the internal thread on the inner wall of ring and is used for being connected with auxiliary bearing rotor cover, and the terminal surface symmetry four points position of dismouting disc is equipped with four screw holes, and location bearing plate is opened at the four points position of circumferencial direction symmetry has four convex openings, and four protruding position processing of location bearing plate have four unthreaded holes, and the front end of depression bar connects with the screw hole of dismouting disc soon, and the rear end of depression bar is matched with the unthreaded hole of location bearing plate by the nut. The utility model discloses a practical value has not only solved the main helium fan and has used driving motor auxiliary bearing rotor cover to coldly press the difficult problem of dismantlement and installation, has guaranteed auxiliary bearing rotor cover assembly precision, and this set of frock still provides convenience for this rotor processing, balanced in-process is relapseed the dismouting outside the company in addition, also provides reliable technological guarantee for this product is examined and is maintained at the user scene to the while of tearing open.
Description
Technical Field
The utility model relates to a main helium fan is with driving motor auxiliary bearing rotor cover dismouting frock structure belongs to bearing rotor cover dismouting frock technical field.
Background
The driving motor of the main helium fan is a vertical high-power variable-frequency three-phase asynchronous motor and is supported by an electromagnetic bearing. In the motor bearing assembly, an auxiliary bearing is also arranged besides the electromagnetic bearing, wherein an auxiliary bearing rotor sleeve and a shaft are in interference fit, the interference magnitude is about 0.06-0.1, a heating assembly method is adopted according to a conventional process, but the part is an imported part, and a part supplier does not allow the part to be heated, disassembled and assembled. Therefore, only cold pressing disassembly and assembly can be carried out, if a conventional cold pressing assembly process is adopted, a special press-fitting tool needs to be manufactured and a high-stroke oil press needs to be matched during assembly, the length of the driving motor rotor for the main helium fan is about 3.3m, if the conventional cold pressing assembly is adopted, the oil press needs to be utilized, the closing height of the oil press is at least more than 2.5m, and special press-in tires need to be manufactured according to the specific sizes of the two ends of the rotor. When the auxiliary bearing rotor sleeves at the two ends are installed, the rotor needs to be repeatedly turned, the weight of the rotor is about 3.5t, and the finished surface of the rotor is extremely easy to collide and scratch in the process of turning and vertical placement. The cold pressing process is not only limited by the equipment condition of the working field, but also has complex operation and low production efficiency. In addition, because of the restriction of the product structure, the rotor bearing sleeve can not be provided with disassembly holes required by cold-pressing disassembly, and the requirement of cold-pressing disassembly can not be realized by utilizing conventional cold disassembly tools.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that above-mentioned prior art exists, and then provide a helium circulator is with driving motor auxiliary bearing rotor cover dismouting frock structure.
The utility model aims at realizing through the following technical scheme:
a main helium fan is with driving motor auxiliary bearing rotor cover installation frock structure includes: the dismounting and mounting disc is annular, an internal thread is arranged on the inner wall of the annular and used for being connected with an auxiliary bearing rotor sleeve, four threaded holes are formed in four symmetrical points of the end surface of the dismounting and mounting disc, four arc-shaped openings are formed in the four symmetrical points of the circumferential direction of the positioning and bearing plate, four unthreaded holes are formed in the four protruding positions of the positioning and bearing plate, the front end of the pressing rod is connected with the threaded holes of the dismounting and mounting disc in a screwed mode, the rear end of the pressing rod is matched with the unthreaded holes of the positioning and bearing plate through the nut, the top plate is a rectangular strip-shaped plate, a positioning spigot is machined in the center of one side of the top plate, and two unthreaded holes are formed in symmetrical positions on two sides of the positioning spigot; the fixed plate is a rectangular strip-shaped plate, a through hole is formed in the middle of the fixed plate, two unthreaded holes are formed in symmetrical positions of two sides of the fixed plate, the two pull rods penetrate through the circular arc-shaped openings in the positioning bearing plates, one end of each pull rod is connected with the top plate, the other end of each pull rod is connected with the fixed plate, the jack is arranged between the positioning bearing plates and the top plate, and the fixing bolts are used for being connected with the motor rotor through the through holes in the.
The second main helium fan is with driving motor auxiliary bearing rotor cover dismantles frock structure, includes: the dismouting disc, the depression bar, the location bearing plate, nut and jack, the dismouting disc is ring shape, be equipped with the internal thread on the inner wall of ring and be used for being connected with auxiliary bearing rotor cover, the terminal surface symmetry four points position of dismouting disc is equipped with four screw holes altogether, the location bearing plate is opened at circumferencial direction symmetry four points position and is had four convex openings, four protruding positions of location bearing plate are processed altogether and are had four unthreaded holes, the front end of depression bar connects soon with the screw hole of dismouting disc, the rear end of depression bar is cooperateed by the unthreaded hole of nut and location bearing plate, the jack setting is between location bearing plate and electric motor rotor.
The utility model has the advantages that:
the restriction of the closed height of hydraulic press is received in order to solve the tradition assembly of colding pressing to the rotor overturns repeatedly and easily collides with fish tail rotor finish machining surface and current cold pressing dismantles the problem that the frock can't realize the cold of supplementary bearing rotor cover and tear open, the utility model discloses a special cold pressing of supplementary bearing rotor cover design is torn open, is adorned the frock, is on the basis that combines supplementary bearing rotor cover and electric motor rotor concrete structure, has designed one set and can satisfy the cold dress of supplementary bearing rotor cover and can realize its cold frock of tearing open again. The utility model discloses a tear open, dress frock can realize that the rotor is under the state of horizontal position, need not to use the hydraulic press just can directly press the auxiliary bearing rotor cover to electric motor rotor to can realize the requirement of cold tearing open of auxiliary bearing rotor cover through the equipment mode that changes the frock. The utility model discloses an innovation point mainly is the structure that combines auxiliary bearing rotor cover and electric motor rotor self, through the design rather than the connection transition seat that matches, then will be connected with dismouting disc and fixed plate on auxiliary bearing rotor cover and the electric motor rotor respectively with location bearing plate and roof through the depression bar, then the pressure of equidirectional is applyed to location bearing plate and roof to the adapted jack through the depression bar to realized the conduction conversion of pressure, and then realized the requirement that auxiliary bearing rotor cover colded pressing torn open, adorned. The utility model discloses a dismouting frock of colding pressing has solved the tradition promptly and has colded pressing the assembly and received the restriction of the closed height of hydraulic press, has solved the problem that large-scale rotor overturns repeatedly and easily collides with fish tail rotor finish machining surface again, has changed traditional cold tear-open positioning mode simultaneously, has solved the difficult problem that supplementary bearing rotor cover is difficult to cold tear open because of unable increase disassembly hole. In addition, the disassembly and assembly tool is small in size, light in weight and convenient to operate, the application of the disassembly and assembly tool is not limited by the configuration condition of field equipment, and the production efficiency is effectively improved.
The utility model discloses a practical value has not only solved the main helium fan and has used driving motor auxiliary bearing rotor cover to coldly press the difficult problem of dismantlement and installation, has guaranteed auxiliary bearing rotor cover assembly precision, and this set of frock still provides convenience for this rotor processing, balanced in-process is relapseed the dismouting outside the company in addition, also provides reliable technological guarantee for this product is examined and is maintained at the user scene to the while of tearing open.
Drawings
Figure 1 is the utility model discloses the structural schematic diagram of the auxiliary bearing rotor cover installation frock of driving motor for helium circulator.
Figure 2 is the utility model discloses helium circulator is with driving motor auxiliary bearing rotor cover dismantles frock's schematic structure diagram.
In the figure, reference numerals, 1 denotes a detachable disk, 2 denotes a press rod, 3 denotes a positioning bearing plate, 4 denotes a nut, 5 denotes a top plate, 6 denotes a pull rod, 7 denotes a jack, 8 denotes a fixing bolt, 9 denotes a fixing plate, 10 denotes a motor rotor, and 11 denotes an auxiliary bearing rotor bushing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the structure of the mounting tool for the auxiliary bearing rotor sleeve of the driving motor for the helium circulator in the embodiment includes: the dismounting and mounting device comprises a dismounting and mounting disc 1, a pressure rod 2, a positioning bearing plate 3, a nut 4, a top plate 5, a pull rod 6, a jack 7, a fixing bolt 8 and a fixing plate 9, wherein the dismounting and mounting disc 1 is annular, internal threads are arranged on the inner wall of the annular and used for being connected with an auxiliary bearing rotor sleeve 11, four threaded holes are arranged at four symmetrical points of the end surface of the dismounting and mounting disc 1, four arc-shaped openings are formed at four symmetrical points of the circumferential direction of the positioning bearing plate 3, four unthreaded holes are machined at four convex positions of the positioning bearing plate 3, the front end of the pressure rod 2 is screwed with the threaded holes of the dismounting and mounting disc 1, the rear end of the pressure rod 2 is matched with the unthreaded holes of the positioning bearing plate 3 through the nut 4, the top plate 5 is a rectangular strip-shaped plate, a positioning spigot is machined at the center of; the fixing plate 9 is a rectangular strip-shaped plate, a through hole is formed in the middle of the fixing plate 9, two smooth holes are formed in symmetrical positions of two sides of the fixing plate 9, the two pull rods 6 penetrate through circular-arc-shaped openings in the positioning bearing plate 3, one end of each pull rod penetrates through the corresponding circular-arc-shaped opening in the corresponding top plate 5, the other end of each pull rod is connected with the corresponding fixing plate 9, the jack 7 is arranged between the corresponding positioning bearing plate 3 and the corresponding top plate 5, and the fixing bolt 8 is used for being connected with.
The dismounting disc 1 is processed by a steel plate with the thickness of 40 mm.
The positioning bearing plate 3 is formed by processing a steel plate with the thickness of 45 mm.
The top plate 5 is a rectangular strip-shaped plate with the thickness of 40 mm.
The fixing plate 9 is a rectangular strip-shaped plate with the thickness of 40 mm.
As shown in fig. 2, the structure of the tool for detaching the auxiliary bearing rotor sleeve of the driving motor for the helium circulator in the present embodiment includes: dismouting disc 1, depression bar 2, location bearing plate 3, nut 4 and jack 7, dismouting disc 1 is ring shape, it is used for being connected with auxiliary bearing rotor cover 11 to be equipped with the internal thread on the inner wall of ring, four screw holes are equipped with altogether in the terminal surface symmetry four points position of dismouting disc 1, location bearing plate 3 is opened at circumferencial direction symmetry four points position has four convex openings, four protruding positions of location bearing plate 3 are processed altogether and are had four unthreaded holes, the front end of depression bar 2 connects soon with the screw hole of dismouting disc 1, the rear end of depression bar 2 is matched with by nut 4 and location bearing plate 3's unthreaded hole, jack 7 sets up between location bearing plate 3 and electric motor rotor 10.
The dismounting disc 1 is processed by a steel plate with the thickness of 40 mm.
Four threaded holes of M24 are arranged at the symmetrical four-point positions of the end surface of the dismounting disc 1.
The positioning bearing plate 3 is formed by processing a steel plate with the thickness of 45 mm.
And circular arc-shaped openings of R50 are formed in the positions of four symmetrical points in the circumferential direction of the positioning and bearing plate 3.
The structural relationship of cold pressing, dismounting and mounting of the tool for the auxiliary bearing rotor sleeve of the driving motor for the helium circulator in the embodiment is further explained through a using method.
When the auxiliary bearing rotor sleeve is installed in a cold pressing mode, the dismounting disc 1 can be locked and fixed on the auxiliary bearing rotor sleeve 11 through the internal threads of the dismounting disc 1 according to the drawing 1, then the four pressing rods 2 are installed in the four threaded holes of the dismounting disc 1 respectively, and the positioning bearing plates 3 are installed and fixed on the four pressing rods 2 through the nuts 4. The fixing plate 9 is locked and fixed on the end face of the shaft head of the motor rotor 10 by the fixing bolt 8, when the fixing plate 9 is installed, it should be noted that two phi 26 unthreaded holes on the fixing plate are aligned with any two symmetrical circular arc-shaped openings of R50 on the positioning bearing plate 3, then the two pull rods 6 penetrate through the openings on the positioning bearing plate 3 by the nuts 4 to be fixed on the installing fixing plate 9, the other ends of the two pull rods 6 are used for installing and fixing the top plate 5 on the pull rods 6 by the nuts 4, then the jack 7 can be installed between the positioning bearing plate 3 and the top plate 5, the positioning bearing plate 3 and the top plate 5 are simultaneously applied with pressure by the jack 7, force transmission is carried out by the pull rods 6 and the press rods 2, so that the auxiliary bearing rotor sleeve bears outward pressure, the motor rotor bears inward tensile force, and the cold pressing assembly requirement of the auxiliary bearing rotor sleeve is realized.
Can be according to fig. 2 when carrying out supplementary bearing rotor cover cold pressing dismantlement, fix its locking to supplementary bearing rotor cover 11 with dismouting disc 1 through its internal thread, then install four threaded holes of dismouting disc 1 respectively with four depression bars 2, reuse nut 4 will fix the installation of location bearing plate 3 to four depression bars 2 on. Then, a jack 7 can be arranged between the positioning bearing plate 3 and the shaft head of the motor rotor 10, and pressure is simultaneously applied to the positioning bearing plate 3 and the motor rotor 10 through the jack, so that the auxiliary bearing rotor sleeve bears inward tensile force, and the motor rotor bears outward pressure, and the requirement of cold pressing and dismounting of the auxiliary bearing rotor sleeve is met.
The above description is only the preferred embodiments of the present invention, and these embodiments are all based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a main helium fan is with driving motor auxiliary bearing rotor cover dismouting frock structure, includes: the dismounting and mounting disc (1), a pressure lever (2), a positioning bearing plate (3), a nut (4), a top plate (5), a pull rod (6), a jack (7), a fixing bolt (8) and a fixing plate (9), and is characterized in that the dismounting and mounting disc (1) is in a ring shape, an internal thread is arranged on the inner wall of the ring and is used for being connected with an auxiliary bearing rotor sleeve (11), four threaded holes are arranged at four symmetrical points of the end surface of the dismounting and mounting disc (1), four arc-shaped openings are arranged at four symmetrical points of the positioning bearing plate (3) in the circumferential direction, four unthreaded holes are processed at four protruding positions of the positioning bearing plate (3), the front end of the pressure lever (2) is screwed with the threaded holes of the dismounting and mounting disc (1), the rear end of the pressure lever (2) is matched with the unthreaded holes of the positioning bearing plate (3) through the nut (4), the top plate (5) is, a positioning spigot is processed at the center of one side of the top plate (5), and two unthreaded holes are arranged at symmetrical positions on two sides of the positioning spigot; fixed plate (9) is a rectangular strip shaped plate, be equipped with a through-hole in the middle of fixed plate (9), fixed plate (9) bilateral symmetry position is equipped with two unthreaded holes, two round arc opening one end on passing location bearing plate (3) of pull rod (6) is connected the other end with roof (5) and is connected with fixed plate (9), jack (7) set up between location bearing plate (3) and roof (5), fixing bolt (8) are used for being connected under with electric motor rotor (10) through the through-hole in the middle of fixed plate (9).
2. The helium circulator driving motor auxiliary bearing rotor bushing dismounting tool structure as claimed in claim 1, wherein the dismounting disc (1) is machined from a steel plate with a thickness of 40 mm.
3. The helium circulator driving motor auxiliary bearing rotor bushing dismounting tool structure as claimed in claim 1, wherein the positioning bearing plate (3) is machined from a steel plate with a thickness of 45 mm.
4. The helium circulator driving motor auxiliary bearing rotor bushing dismounting tool structure as claimed in claim 1, wherein the top plate (5) is a rectangular strip-shaped plate with a thickness of 40 mm.
5. The helium circulator driving motor auxiliary bearing rotor bushing dismounting tool structure as claimed in claim 1, wherein the fixing plate (9) is a rectangular strip-shaped plate with a thickness of 40 mm.
6. The utility model provides a main helium fan is with driving motor auxiliary bearing rotor cover dismouting frock structure, includes: dismouting disc (1), depression bar (2), location bearing plate (3), nut (4) and jack (7), a serial communication port, dismouting disc (1) is the ring shape, be equipped with the internal thread on the inner wall of ring and be used for being connected with auxiliary bearing rotor cover (11), the terminal surface symmetry four points position of dismouting disc (1) is equipped with four screw holes altogether, location bearing plate (3) are opened at circumferencial direction symmetry four points position has four circular arc opening, four protruding positions of location bearing plate (3) are processed altogether and are had four unthreaded holes, the front end of depression bar (2) connects with the screw hole of dismouting disc (1) soon, the rear end of depression bar (2) is matched with by the unthreaded hole of nut (4) and location bearing plate (3), jack (7) set up between location bearing plate (3) and motor rotor (10).
7. The helium circulator driving motor auxiliary bearing rotor bushing dismounting tool structure as claimed in claim 6, wherein the dismounting disc (1) is machined from a steel plate with a thickness of 40 mm.
8. The main helium fan drive motor auxiliary bearing rotor cover dismouting frock structure of claim 6, characterized in that, the terminal surface symmetry four-point position of dismouting disc (1) is equipped with four M24's screw hole altogether.
9. The helium circulator driving motor auxiliary bearing rotor bushing dismounting tool structure as claimed in claim 6, wherein the positioning bearing plate (3) is machined from a steel plate with a thickness of 45 mm.
10. The helium circulator driving motor auxiliary bearing rotor bushing dismounting tool structure as claimed in claim 6, wherein the positioning pressure-bearing plate (3) is provided with circular arc-shaped notches of R50 at four symmetrical points in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922396657.5U CN211614823U (en) | 2019-12-27 | 2019-12-27 | Main helium fan is with driving motor auxiliary bearing rotor cover dismouting frock structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922396657.5U CN211614823U (en) | 2019-12-27 | 2019-12-27 | Main helium fan is with driving motor auxiliary bearing rotor cover dismouting frock structure |
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| CN211614823U true CN211614823U (en) | 2020-10-02 |
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| CN201922396657.5U Active CN211614823U (en) | 2019-12-27 | 2019-12-27 | Main helium fan is with driving motor auxiliary bearing rotor cover dismouting frock structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977405A (en) * | 2019-12-27 | 2020-04-10 | 佳木斯电机股份有限公司 | Main helium fan is with driving motor auxiliary bearing rotor cover dismouting frock structure |
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2019
- 2019-12-27 CN CN201922396657.5U patent/CN211614823U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977405A (en) * | 2019-12-27 | 2020-04-10 | 佳木斯电机股份有限公司 | Main helium fan is with driving motor auxiliary bearing rotor cover dismouting frock structure |
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