CN216390711U - External motor dynamic balance correction structure and external balance correction motor - Google Patents

Abstract

The utility model discloses an external motor dynamic balance correction structure and an external motor for balance correction, belonging to the field of motors. The utility model is convenient to adjust, the whole adjusting structure is exposed outside the motor shell, and particularly, an independent balance block is adopted for adjusting, so that the smoothness of the adjusting structure is better than that of the adjusting structure in a common adjusting mode.

Description

External motor dynamic balance correction structure and external balance correction motor

Technical Field

The utility model belongs to the field of motors, relates to the stability of motor rotation, and particularly relates to an external motor dynamic balance correction structure and an external balance correction motor.

Background

The existing problem is that a motor shaft bends under long-time load, so that dynamic balance is lost.

The prior art, such as patent publication No. CN110417142B, discloses a structure that is internally adjustable and needs to disassemble the whole motor casing for adjustment. And need rotatory counter weight body, when the motor shaft is crooked, probably the junction of counter weight body and motor shaft also can deform, and the counter weight body can not rotate the regulation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an external motor dynamic balance correction structure and an external motor for balance correction, aiming at the existing problems.

The purpose of the utility model can be realized by the following technical scheme: the structure is corrected in external motor dynamic balance, its characterized in that, it includes a correction disc, and the center cover of correction disc is on the motor shaft, the correction disc on be equipped with balancing piece and regulation track, the balancing piece restriction move on the regulation track, the balancing piece can be adjusted along the circumferential movement in correction disc axle center, be equipped with the locking piece and lock the balancing piece in a specific position of correction disc, locking piece and balancing piece expose outside the motor casing.

The further optimization scheme of the utility model is as follows: the adjusting track surrounds the outer edge of the correcting disc, and the balance block is embedded in the adjusting track.

The further optimization scheme of the utility model is as follows: the correcting disc is provided with a putting groove which is used as a socket for embedding the balance block into the adjusting track.

The further optimization scheme of the utility model is as follows: the locking piece include the screw, the screw passes the balancing piece, and the head top of screw is in adjusting the track, screw and balancing piece threaded connection, adjusting the track and having the axial restriction that prevents to break away from of screw to the balancing piece, when the screw top was attacked the balancing piece expands with adjusting the track tightly.

The further optimization scheme of the utility model is as follows: the adjusting track is provided with a plurality of balance blocks.

The further optimization scheme of the utility model is as follows: the adjusting track is an annular dovetail groove.

The further optimization scheme of the utility model is as follows: the external motor for balance correction is characterized by comprising the external motor dynamic balance correction structure.

Compared with the prior art, the utility model has convenient adjustment, the whole adjusting structure is exposed outside the motor shell, and particularly, an independent balance block is adopted for adjustment, so that the smoothness of the adjusting structure is better than that of the adjusting structure in a common adjusting mode.

Drawings

Fig. 1 is a first structural diagram of the present invention.

FIG. 2 is a second schematic structural diagram of the present invention.

Fig. 3 is a schematic structural view of the correcting disc of the utility model.

Figure 4 is a cross-sectional view of the orthosis of the present invention.

In the figure: 1. a motor housing; 2. a motor shaft; 3. a leveling pan; 4. placing the mixture into a groove; 5. a counterbalance; 6. a locking member; 7. adjusting the track; 8. a hole; 9. and (4) screw holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

The terms "a," "an," "two," and the like in the description of the utility model are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

As shown in fig. 1-4, the external balance correction motor includes an external dynamic balance correction structure of the motor, a motor housing 1, and a motor shaft 2 installed at the center of the motor housing 1, wherein the motor shaft 2 rotates to output power. The utility model mainly improves an external motor dynamic balance correction structure, the implementation mode mainly explains the external motor dynamic balance correction structure, and other structures of the external motor dynamic balance correction structure are the same as those of the existing motor, so that detailed explanation is not needed. The specific contents are as follows:

the external motor dynamic balance correction structure comprises a correction disc 3, the center of the correction disc 3 is sleeved on a motor shaft 2 of the external balance correction motor, a hole 8 for the motor shaft 2 to penetrate through is formed in the center of the correction disc 3, the motor shaft 2 penetrates through the hole 8 in the center of the correction disc 3 and is fixed with the correction disc 3, and the motor shaft 2 is in interference fit with the hole 8 in the center of the correction disc 3.

The correcting disc 3 is positioned outside the motor casing 1, and the correcting disc 3 is exposed outside the motor casing 1.

Preferably, the correction disc 3 is a circular disc.

Be equipped with balancing piece 5 and regulation track 7 on correction disc 3, balancing piece 5 restriction is on regulation track 7 to balancing piece 5 can move on regulation track 7, and balancing piece 5 can be adjusted along the circumferential motion of 3 axle centers of correction disc, is equipped with locking piece 6 and locks balancing piece 5 in a specific position of correction disc 3, and locking piece 6 and balancing piece 5 all expose outside motor casing 1.

When the motor shaft 2 is bent or worn under a long-time load to cause loss of dynamic balance, the dynamic balance of the motor shaft 2 needs to be adjusted, the balance block 5 is moved along the circumferential direction of the axis of the correcting disc 3, so that the balance block 5 is moved to a specific position, the specific position is the position where the balance block 5 is located when the motor shaft 2 is in a dynamic balance state, and then the balance block 5 is locked on the position through the locking piece 6 and fixed with the correcting disc 3, so that the dynamic balance adjustment of the motor shaft 2 is completed.

The correction disc 3 is sleeved on the motor shaft 2, the correction disc 3 does not rotate during adjustment, the balance block 5 on the correction disc 3 is moved to adjust, and the problem that the motor shaft 2 is bent and cannot rotate to adjust is prevented.

Locking piece 6 and balancing piece 5 expose in motor casing 1 outside, and convenience of customers adjusts balancing piece 5, when the dynamic balance of adjustment motor shaft 2, need not unpack whole motor apart.

The adjusting track 7 surrounds the outer edge of the correcting disc 3, the balance weight 5 is embedded in the adjusting track 7, the balance weight 5 is limited in the adjusting track 7, and the balance weight 5 can slide along the adjusting track 7 for adjustment.

Preferably, the locking piece 6 includes the screw, the screw passes balancing piece 5, and the head top of screw is in adjusting track 7, be equipped with the screw hole 9 that supplies the screw to pass on the balancing piece 5, the screw passes screw hole 9 and balancing piece 5 threaded connection on the balancing piece 5, adjusting track 7 has the axial restriction that prevents to break away from of screw to balancing piece 5, balancing piece 5 rises with adjusting track 7 when the screw top is attacked, screw cooperation adjusting track 7 is died balancing piece 5 lock, restriction balancing piece 5 removes.

Specifically, the adjusting track 7 is an annular dovetail groove, the cross section of the balance block 5 is of a trapezoidal structure matched with the dovetail groove, the width of a groove opening above the dovetail groove is smaller than the width of a lower bottom of the dovetail groove, when the balance block 5 is assembled in the dovetail groove, the two side groove walls of the dovetail groove are located above two side edges of the balance block 5 and have the limitation of preventing the balance block 5 from being separated in the axial direction of a screw, when the screw is screwed into the dovetail groove, the screw has axial outward force on the balance block 5, the two side edges of the balance block 5 are tightly pressed on the two side walls of the dovetail groove, the balance block 5 is locked in the dovetail groove and cannot move, when a flat transverse block needs to be adjusted, the screw is screwed outwards, and the balance block 5 can move and be adjusted in the dovetail groove.

The last groove 4 of putting into that is equipped with of correction dish 3 puts into groove 4 as the socket of imbedding balancing piece 5 regulation track 7, and is specific, puts into groove 4 and is the breach on the cell wall of dovetail one side, and the breach runs through the lateral wall of correction dish 3 one side, and the tank bottom of putting into groove 4 flushes with the tank bottom of dovetail, puts into the opening shape of groove 4 and balancing piece 5 shape phase-match, and balancing piece 5 is from putting into groove 4 insertion groove dovetail.

Preferably, a plurality of balance weights 5 are arranged in the adjusting track 7, for example, three balance weights 5 are arranged, and the dynamic balance of the motor shaft 2 is adjusted through the cooperation of the three balance weights 5.

The principle and the implementation mode of the external motor dynamic balance correction structure and the external motor dynamic balance correction of the utility model are explained in the text by applying specific examples, and the explanation of the above examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (7)

1. The structure is corrected in external motor dynamic balance, its characterized in that, it includes a correction disc, and the center cover of correction disc is on the motor shaft, the correction disc on be equipped with balancing piece and regulation track, the balancing piece restriction move on the regulation track, the balancing piece can be adjusted along the circumferential movement in correction disc axle center, be equipped with the locking piece and lock the balancing piece in a specific position of correction disc, locking piece and balancing piece expose outside the motor casing.

2. The external motor dynamic balance correcting structure of claim 1, wherein the adjusting track is wound around the outer edge of the correcting disc, and the balance weight is embedded in the adjusting track.

3. The external motor dynamic balance correcting structure of claim 2, wherein the correcting disc is provided with a slot, and the slot is used as a socket for inserting the balance weight into the adjusting track.

4. The external motor dynamic balance correcting structure according to claim 1, wherein the locking member comprises a screw, the screw passes through the balance block, and the head of the screw abuts against the adjusting track, the screw is in threaded connection with the balance block, the adjusting track has a screw axial direction separation prevention limit on the balance block, and the balance block and the adjusting track are tightened when the screw is inserted.

5. The external motor dynamic balance correcting structure of claim 1 or 2, wherein the adjusting track is provided with a plurality of balance blocks.

6. The external motor dynamic balance correction structure as claimed in claim 1, 2 or 4, wherein the adjustment track is an annular dovetail groove.

7. An external motor for correcting balance, comprising the external motor dynamic balance correcting structure according to any one of claims 1 to 6.

Images