CN216362267U - Motor end cover capable of facilitating dynamic balance adjustment - Google Patents
Motor end cover capable of facilitating dynamic balance adjustment Download PDFInfo
- Publication number
- CN216362267U CN216362267U CN202122674736.5U CN202122674736U CN216362267U CN 216362267 U CN216362267 U CN 216362267U CN 202122674736 U CN202122674736 U CN 202122674736U CN 216362267 U CN216362267 U CN 216362267U
- Authority
- CN
- China
- Prior art keywords
- end cover
- balance
- hole
- motor
- balanced
- 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.)
- Active
Links
Images
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a motor end cover capable of facilitating dynamic balance adjustment, and relates to the field of motors. When the rotor of the high-speed motor is adjusted in a balanced mode, a process end cover needs to be used, and the motor end cover needs to be disassembled and assembled, so that the cost is high, the period is long, and the process is complex. The end cover comprises an end cover body and a balance hole cover, wherein the balance hole which penetrates through the end cover body in the axial direction is arranged on the end cover body, the radial position of the balance hole on the end cover corresponds to the position of a balance ring at the end part of an inner rotor of a motor, and the balance hole cover is detachably connected and fixed on the end cover and is positioned on the outer side of the end cover of the motor in the axial direction to cover the balance hole. The balance hole is arranged at the position, right facing the balance ring, of the end cover of the motor, the balance block can be conveniently installed at the position of the balance ring of the rotor through the balance hole, the balance adjusting hole is covered after the balance adjusting is completed, the balance adjusting of the rotor can be conveniently realized, the dismounting operation of the motor is avoided, the process end cover is not needed, the balance adjusting process is simplified, the installation or maintenance period is shortened, and the cost can be effectively reduced.
Description
Technical Field
The utility model relates to the field of motors, in particular to a motor end cover capable of facilitating dynamic balance adjustment.
Background
For a high-speed motor, the balance precision of a rotor has a great influence on the vibration of the whole motor, the rotating speed of the balance motor does not exceed 1000r/min generally for a large-base motor, the rotating speed of the rotor needs to reach about 2000-3000r/min for improving the balance precision, the conventional method is to assemble the motor by using a process end cover, electrify the motor, balance by using the rotating speed of the motor, and replace the process end cover by using the conventional end cover after balancing. The mode has longer production period, needs to be disassembled and assembled once more, needs to process the technical end cover, and has higher cost, labor cost and material cost. In addition, since the process end cover is different from the original end cover, the process end cover vibrates slightly in some cases, and the vibration of the process end cover is increased after the process end cover is replaced with the normal end cover, so that the dynamic balance needs to be carried out on site again under the condition.
In addition, in the process of field use of a user, the situation that the vibration of the motor becomes large can also exist, and rotor balancing is needed, and a common method is to detach the motor, find a repair factory for repair or an original factory for repair, detach an end cover of the motor, carry out surveying and mapping, manufacture a process end cover, install the process end cover, carry out field dynamic balancing, detach the process end cover, install the original end cover, wherein the process end cover is generally the same end cover as the original end cover, mill a fan-shaped hole corresponding to the position of a rotor balancing groove, then enter a balancing block into the motor from the fan-shaped hole, rotate the rotor by hand, fix the balancing block on the corresponding position of a balancing ring, and the corresponding position is the position measured by using a balancing device. The maintenance operation process is extremely troublesome, high in cost and long in maintenance time.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved and the technical task to be solved by the utility model are to perfect and improve the prior technical scheme, and provide the motor end cover which is convenient for dynamic balance adjustment, so as to fulfill the aim of facilitating the balance adjustment of the rotor. Therefore, the utility model adopts the following technical scheme.
The utility model provides a can make things convenient for motor end cover of dynamic balance regulation, includes end cover body and balanced handhole door, the end cover body on be equipped with the balanced hole that one or more axial run through, the balanced hole correspond in the balanced ring position of the radial position of end cover and motor inner rotor tip, and the balanced hole is greater than the unilateral radial width of balanced ring, balanced handhole door detachably connect to be fixed in on the end cover, and be located the axial outside of motor end cover, cover the balanced hole. The balance hole which penetrates through the end cover of the motor is arranged at the position opposite to the balance ring, the balance block can be conveniently installed at the position of the balance ring through the balance hole, the hole is covered after the balance adjustment is completed, the balance adjustment of the rotor can be conveniently realized, the disassembly and assembly operation of the motor is avoided, the process end cover is not needed, the balance adjustment process is simplified, the installation or maintenance period is shortened, and the cost can be effectively reduced.
As a preferable technical means: the balance hole is characterized in that a plane hole seat axially higher than the outer surface of the end cover is arranged on the periphery of the balance hole, and the balance hole cover is in a flat cylindrical shape and is fixedly connected onto the plane hole seat through a plurality of fasteners. By providing a planar orifice seat, the complexity of the balance orifice cover can be reduced, and a longer connection fastening length is provided for the fastener, enhancing the structural fastening capability.
As a preferable technical means: the balance hole is a circular hole, and the diameter of the balance hole is 48-52 mm. The size is larger than the width of the balance ring, and the optimization is reasonable.
As a preferable technical means: the fastener is a bolt + elastic washer assembly. The influence of vibration on the bolt can be effectively reduced by adding the elastic washer on the bolt, and the bolt is prevented from loosening.
As a preferable technical means: the number of the fasteners is 3-5. Reasonable in quantity, can realize firm reliable fastening.
Has the advantages that: the through hole is formed in the position, right opposite to the balance ring, of the end cover of the motor, the balance block can be conveniently installed at the balance ring through the through hole, the through hole is covered after installation is completed, balance adjustment of the rotor can be conveniently achieved on site, dismounting operation of the end cover of the motor is avoided, a process end cover is not needed, a balance adjustment process is simplified, the installation or maintenance period is shortened, and cost can be effectively reduced.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention.
In the figure: 1. an end cap; 2. a balance hole cover; 3. a fastener; 101. a planar hole seat; 102. and (4) balancing holes.
Detailed Description
The technical scheme of the utility model is further explained in detail by combining the drawings in the specification.
As shown in fig. 1-2, a motor end cover capable of facilitating dynamic balance adjustment includes an end cover 1 body and a balance hole cover 2, the end cover 1 body is provided with a balance hole 102 penetrating axially, the balance hole 102 corresponds to a balance ring at an end of a rotor in a motor at a radial position of the end cover 1, the balance hole 102 is larger than a single-side radial width of the balance ring, and the balance hole cover 2 is detachably connected and fixed to the end cover 1 and located at an axial outer side of the motor end cover 1 to cover the balance hole 102.
In order to enhance the fastening capability of the structure, the periphery of the balance hole 102 is provided with a plane hole seat 101 axially higher than the outer surface of the end cover 1, and the balance hole cover 2 is in a flat cylindrical shape and is fixedly connected on the plane hole seat 101 through a fastening piece 3. By providing a planar socket 101, the complexity of balancing the orifice cover 2 is reduced, and a longer connection fastening length is provided for the fastener 3, enhancing the structural fastening capability.
In this example, the balance holes 102 are circular holes having a diameter of 50 mm. The size is larger than the width of the balance ring, and the optimization is reasonable.
In order to reduce the effect of vibration on the bolt, the fastener 3 is a bolt + spring washer combination. The influence of vibration on the bolt can be effectively reduced by adding the elastic washer on the bolt, and the bolt is prevented from loosening.
In this example, the number of the fasteners 3 is four. Reasonable in quantity, can realize firm reliable fastening.
During balance adjustment, the bolt is unscrewed, the balance hole cover 2 is opened, then the balance block is installed on a balance ring of the rotor through the balance hole 102, after the balance adjustment is completed, the balance hole cover 2 is tightly covered on the balance hole 102 through the bolt and the elastic washer, the balance adjustment of the rotor can be conveniently realized on site, the disassembly and assembly operation of the motor is avoided, the process end cover 1 is not needed, the balance adjustment process is simplified, the installation or maintenance period is shortened, and the cost can be effectively reduced.
The motor end cover capable of facilitating dynamic balance adjustment shown in fig. 1-2 is a specific embodiment of the present invention, has embodied the outstanding substantive features and significant progress of the present invention, and can be modified equivalently in shape, structure and the like according to the practical use requirements and under the teaching of the present invention, all of which are within the protection scope of the present invention.
Claims (6)
1. The utility model provides a can make things convenient for motor end cover of dynamic balance regulation which characterized in that: including end cover (1) body and balanced handhole door (2), end cover (1) body on be equipped with one or more balanced hole (102) that the axial runs through, balanced hole (102) correspond in the balanced ring position of the radial position of end cover (1) and motor inner rotor tip, and balanced hole (102) are greater than the unilateral radial width of balanced ring, balanced handhole door (2) detachably connect to be fixed in on end cover (1), and lie in the axial outside of motor end cover (1), cover balanced hole (102).
2. The motor end cover capable of facilitating dynamic balance adjustment according to claim 1, wherein: the balance hole (102) is provided with a plane hole seat (101) axially higher than the outer surface of the end cover (1) at the periphery, the balance hole cover (2) is in a flat cylindrical shape and is fixedly connected onto the plane hole seat (101) through a plurality of fasteners (3).
3. The motor end cover capable of facilitating dynamic balance adjustment according to claim 2, wherein: the balance hole (102) is a circular hole, and the diameter of the balance hole is 48-52 mm.
4. The motor end cover capable of facilitating dynamic balance adjustment according to claim 3, wherein: the fastener (3) is a bolt + elastic washer assembly.
5. The motor end cover capable of facilitating dynamic balance adjustment according to claim 4, wherein: the number of the fasteners (3) is 3-5.
6. The motor end cover capable of facilitating dynamic balance adjustment according to claim 1, wherein: the end cover (1) body is provided with a balance hole (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122674736.5U CN216362267U (en) | 2021-11-03 | 2021-11-03 | Motor end cover capable of facilitating dynamic balance adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122674736.5U CN216362267U (en) | 2021-11-03 | 2021-11-03 | Motor end cover capable of facilitating dynamic balance adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216362267U true CN216362267U (en) | 2022-04-22 |
Family
ID=81189934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122674736.5U Active CN216362267U (en) | 2021-11-03 | 2021-11-03 | Motor end cover capable of facilitating dynamic balance adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216362267U (en) |
-
2021
- 2021-11-03 CN CN202122674736.5U patent/CN216362267U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216362267U (en) | Motor end cover capable of facilitating dynamic balance adjustment | |
| CN201455698U (en) | Positioning fixture for wind fan box body and inner ring gear with drawbores | |
| CN105910825A (en) | Simulation tester for biaxial heavy-duty bearing | |
| CN203235885U (en) | Spin riveting head of ball pin baffling cover spin riveting machine | |
| CN203711870U (en) | Dynamic balance adjustment mechanism of machine tool direct connection main shaft | |
| CN201261092Y (en) | Trimming apparatus for spindle head centre hole | |
| CN116073555A (en) | Motor end cover capable of being conveniently adjusted in dynamic balance | |
| CN211466243U (en) | Aerogenerator bearing unit dismantles frock | |
| CN209815512U (en) | Novel horizontal wheel for nuclear power station ring crane | |
| CN205704436U (en) | A kind of torr cutter shaft axis body | |
| CN204736178U (en) | Downthehole bushing installation instrument | |
| CN205684485U (en) | A kind of pipe mill feeding supports seat | |
| CN104676219B (en) | Universal bracket | |
| CN218480173U (en) | Butterfly valve convenient to assembly | |
| CN210615413U (en) | Core shaft quick replacement mechanism for oil nozzle electric spark spray hole processing machine tool | |
| CN213379314U (en) | Transmission mechanism of cam machine of automatic lathe | |
| CN205945320U (en) | End cover and use motor of this end cover | |
| CN212240580U (en) | Combined clamp | |
| CN108711963B (en) | Stator core and rotor shaft fixing structure and motor | |
| CN205154926U (en) | Two -for -one twister surpasses feeds axle bearing frame | |
| CN218403160U (en) | Spinning winding roller easy to maintain and repair | |
| CN201889464U (en) | Boring bar device | |
| CN212163098U (en) | Large-scale motor rotor dynamic balance replacement formula supporting rack | |
| CN109756064A (en) | It is a kind of to facilitate the micro motor for adjusting oscillation intensity | |
| CN218548088U (en) | Twisting bow connecting mechanism for wire twisting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |