Balancing device for motor

Abstract

The invention provides a balancing device for a motor, and relates to the technical field of motors, and the balancing device is characterized in that a base connecting ring is fixedly connected to the front end surface of a balancing base, and the base connecting ring is in a circular ring shape; the axial positioning connecting cylinder is fixedly connected to the rear end face of the balance base, and the axial positioning connecting cylinder is cylindrical. The adjusting guide sliding groove is formed in the inner side of the front end of the balance base and is in a T shape. The multiple dynamic balance adjusting blocks are connected to the front end face of the balance base in a sliding mode. The mounting mechanism is arranged on the inner side of the axial positioning connecting cylinder; the adjusting mechanism is arranged on the inner side of the base connecting ring, the problems that in the installation process of an existing motor balancing device, the balancing device is generally directly fixed to a motor output shaft through bolts, bolt hole positions need to be aligned and screwed one by one in the installation process, the process is tedious, and the working efficiency is affected are solved, the working efficiency is improved, and the cost is reduced. And the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric machines, in particular to a balancing device for electric machines. BACKGROUND

[0002] The electric machine balancing device is a device for offsetting the vibration and noise caused by the uneven mass distribution of the rotor or the asymmetric mechanical structure of the electric machine during operation, and its core goal is to improve the stability, efficiency and service life of the electric machine during operation, while reducing the impact on the surrounding equipment and environment.

[0003] According to the application number: CN202011364184.1 discloses a kind of electric machine rotor balancing disc and electric machine, electric machine rotor balancing disc, including: with inner hole (11) balance base plate (1), the edge of the balance base plate (1) is the multiple structural same protrusions (12) that are evenly arranged along circumferential direction.The edge of the balance base plate is spaced apart along the circumferential direction Multiple radially arranged protrusions, since the protrusions are spaced apart, it can avoid the rotor magnet steel groove, so as to avoid the influence of the magnetic circuit by the balancing disc.In addition, by setting side notch, heat dissipation cavity and protrusion through hole, air or cooling oil flows out from the protrusion through hole to the rotor core through hole, improves the cooling effect of the rotor.Finally, by setting a circular ring, the area of the inner hole is increased, the fitting interference force is increased, so that the balancing disc meets the fitting requirements under high speed.

[0004] However, the existing electric machine balancing device usually adopts the mode of directly fixing the balancing device on the output shaft of the electric machine by bolts during installation, and the bolt hole position needs to be aligned and tightened one by one during installation, which is tedious, especially in the working condition of small space or limited position, the operation difficulty is greater, which is easy to cause low installation efficiency and affect work efficiency. SUMMARY

[0005] Therefore, the present application provides a balancing device for electric machines, which has the advantages of improving work efficiency, reducing labor intensity and enhancing equipment adaptability.

[0006] The present application provides a balancing device for electric machines, specifically including a balancing base, a base connecting ring, an axial positioning connecting cylinder, an adjusting guide slot, a dynamic balance adjusting block, an adjusting mechanism and a mounting mechanism; the base connecting ring is fixedly connected to the front end face of the balancing base, and the base connecting ring is annular; the axial positioning connecting cylinder is fixedly connected to the rear end face of the balancing base, and the axial positioning connecting cylinder is cylindrical; the adjusting guide slot is opened on the inner side of the front end of the balancing base, and the adjusting guide slot is T-shaped; the dynamic balance adjusting block is provided with a plurality of dynamic balance adjusting blocks, and the plurality of dynamic balance adjusting blocks are slidingly connected to the front end face of the balancing base; the mounting mechanism is arranged on the inner side of the axial positioning connecting cylinder; and the adjusting mechanism is arranged on the inner side of the base connecting ring.

[0007] Further, the adjusting mechanism comprises: gear linkage grooves and connecting guide sliders; the gear linkage grooves are provided in plurality, and the plurality of gear linkage grooves are respectively arranged on the outer sides of the plurality of dynamic balance adjusting blocks; the connecting guide sliders are provided in plurality, and the plurality of connecting guide sliders are respectively fixedly connected to the rear end faces of the plurality of dynamic balance adjusting blocks, and the plurality of connecting guide sliders are all slidingly connected to the inner side of the adjusting guide sliding groove, and the connecting guide sliders are in T shape.

[0008] Further, the adjusting mechanism further comprises: locking positioning bolts; the locking positioning bolts are provided in plurality, and the plurality of locking positioning bolts are respectively threadedly connected to the inner sides of the plurality of dynamic balance adjusting blocks.

[0009] Further, the adjusting mechanism further comprises: adjusting knobs and fixedly connected gears; the adjusting knobs are provided in plurality, and the plurality of adjusting knobs are respectively rotationally connected to the inner sides of the plurality of dynamic balance adjusting blocks; the fixedly connected gears are provided in plurality, and the plurality of fixedly connected gears are respectively fixedly connected to the outer sides of the plurality of adjusting knobs, and the plurality of fixedly connected gears are respectively rotationally connected to the inner sides of the plurality of dynamic balance adjusting blocks.

[0010] Further, the adjusting mechanism further comprises: adjusting gear rings; the adjusting gear rings are fixedly connected to the inner side of the base connecting ring, and the adjusting gear rings are simultaneously engaged with the plurality of fixedly connected gears.

[0011] Further, the mounting mechanism comprises: an annular connecting groove, a circumferential driving operation ring and a rotating transition connecting ring; the annular connecting groove is arranged on the rear end face of the axial positioning connecting cylinder; the circumferential driving operation ring is rotationally connected to the rear end face of the axial positioning connecting cylinder; the rotating transition connecting ring is fixedly connected to the front end face of the circumferential driving operation ring, and the rotating transition connecting ring is rotationally connected to the inner side of the annular connecting groove.

[0012] Further, the mounting mechanism further comprises: a guide transmission connecting ring and sliding limiting guide rods; the guide transmission connecting ring is fixedly connected to the front end face of the circumferential driving operation ring; the sliding limiting guide rods are provided in plurality, and the plurality of sliding limiting guide rods are all fixedly connected to the outer side of the guide transmission connecting ring.

[0013] Further, the mounting mechanism further comprises: an internally threaded driving ring groove, a threaded connecting ring and a sliding guide groove; the internally threaded driving ring groove is arranged on the inner side of the axial positioning connecting cylinder, and the inner side of the internally threaded driving ring groove is provided with threads; the threaded connecting ring is provided with threads on the outer side, and the threaded connecting ring is threadedly connected to the inner side of the internally threaded driving ring groove, and the threaded connecting ring is slidingly connected to the outer side of the guide transmission connecting ring; the sliding guide grooves are provided in plurality, and the plurality of sliding guide grooves are all arranged on the inner side of the threaded connecting ring, and the plurality of sliding guide grooves are respectively slidingly connected with the plurality of sliding limiting guide rods.

[0014] Further, the mounting mechanism further comprises: radial clamping sliding grooves, extrusion clamping blocks, non-slip pads and return springs; the radial clamping sliding grooves are provided in plurality, and each of the plurality of radial clamping sliding grooves is arranged on the inner side of the axial positioning connecting cylinder; the extrusion clamping blocks are provided in plurality, and each of the plurality of extrusion clamping blocks is slidably connected to the inner side of the radial clamping sliding groove; the non-slip pads are provided in plurality, and each of the plurality of non-slip pads is fixedly connected to the outer side of the extrusion clamping block; and the return springs are provided in plurality, and each of the plurality of return springs has one end fixedly connected to the inner side of the extrusion clamping block and the other end fixedly connected to the inner side of the axial positioning connecting cylinder.

[0015] Further, the mounting mechanism further comprises: extrusion guide sliding grooves and extrusion guide sliding blocks; the extrusion guide sliding grooves are provided in plurality, and each of the plurality of extrusion guide sliding grooves is arranged on the inner side of the radial clamping sliding groove; and the extrusion guide sliding blocks are provided in plurality, and each of the plurality of extrusion guide sliding blocks is fixedly connected to the outer side of the extrusion clamping block and slidably connected to the extrusion guide sliding groove. Beneficial effects

[0016] By adjusting the position of the dynamic balance adjusting block through the adjusting mechanism, after loosening the locking positioning bolt, the adjusting knob is rotated, the rotation of the adjusting knob drives the fixed connection gear to rotate synchronously, the fixed connection gear drives the dynamic balance adjusting block to slide in the guide direction under the meshing action of the adjusting gear ring, the movement of the dynamic balance adjusting block adjusts the balance point of the balance base, after adjustment, the locking positioning bolt is tightened, and the locking positioning bolt abuts against the inner wall of the adjusting guide sliding groove, so that the dynamic balance adjusting block is fixed, the adjusting mode is simple to operate, the adjusting precision is high, and the working efficiency is effectively improved.

[0017] In addition, by arranging the mounting mechanism, the balance base can be quickly installed, in the installation process, after the axial positioning connecting cylinder is sleeved on the outer side of the motor output shaft, only the circumferential driving operation ring needs to be rotated, the rotation of the circumferential driving operation ring drives the guide transmission connecting ring to rotate, the rotation of the guide transmission connecting ring further drives the threaded connecting ring to rotate through the sliding connection action of the sliding guide groove and the sliding limiting guide rod, the rotation of the threaded connecting ring drives the plurality of extrusion clamping blocks to move inwardly under the threaded connection action of the threaded connecting ring and the internal threaded drive ring groove, the extrusion clamping blocks tightly clamp the motor output shaft through the non-slip pads, and finally the balance base is stably installed, the operation is simple, the working efficiency is greatly improved, the labor intensity is effectively reduced, and the adaptability of the device is enhanced.

[0018] In addition, through the arrangement of the above mechanism, on the one hand, the adjustment of the position of the dynamic balance adjusting block is realized, the accuracy and work efficiency of the adjustment are improved; on the other hand, the quick installation of the balance base is realized, the work efficiency is further improved, the labor intensity is reduced, and the adaptability of the equipment is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0020] The drawings described in the following description only relate to some embodiments of the present application, and are not a limitation of the present application.

[0021] In the drawings: Figure 1 is a structural schematic view of the main body of the embodiment one of the present application.

[0022] Figure 2 is a structural schematic view of the fixed connection gear split of the embodiment one of the present application.

[0023] Figure 3 is a structural schematic view of the balance base section of the embodiment one of the present application.

[0024] Figure 4 is a structural schematic view of the embodiment one of the present application Figure 3 is a structural schematic view of the local amplification at A in the embodiment one of the present application.

[0025] Figure 5 is a structural schematic view of the internal thread driving ring groove of the embodiment two of the present application.

[0026] Figure 6 is a structural schematic view of the extrusion clamping block of the embodiment two of the present application.

[0027] Figure 7 is a structural schematic view of the extrusion guide sliding block of the embodiment two of the present application.

[0028] Figure 8 is a structural schematic view of the circumferential driving operation ring section of the embodiment two of the present application.

[0029] LIST OF REFERENCE NUMERALS 1, balance base; 101, base connecting ring; 102, axial positioning connecting cylinder; 103, adjusting guide slot; 104, annular connecting groove; 105, internal thread driving ring groove; 106, radial clamping sliding groove; 107, extrusion guide sliding groove; 2, dynamic balance adjusting block; 201, gear linkage groove; 202, connecting guide sliding block; 3, locking positioning bolt; 4, adjusting knob; 401, fixed connecting gear; 5, adjusting gear ring; 6, circumferential driving operation ring; 601, rotating transition connecting ring; 602, guide transmission connecting ring; 603, sliding limiting guide rod; 7, threaded connecting ring; 701, sliding guide groove; 8, extrusion clamping block; 801, non-slip pad; 802, reset spring; 803, extrusion guide sliding block. DETAILED DESCRIPTION Example One

[0030] Please refer to Figures 1-4 as shown: The application provides a balance device for a motor, which comprises a balance base 1, a base connecting ring 101, an axial positioning connecting cylinder 102, an adjusting guide slot 103, a dynamic balance adjusting block 2, an adjusting mechanism and a mounting mechanism; the base connecting ring 101 is fixedly connected to the front end face of the balance base 1 and is in the form of a circular ring; the axial positioning connecting cylinder 102 is fixedly connected to the rear end face of the balance base 1 and is in the form of a cylinder; the adjusting guide slot 103 is arranged on the inner side of the front end of the balance base 1 and is in the form of a T shape; the dynamic balance adjusting block 2 is provided in plurality and is slidably connected to the front end face of the balance base 1; the mounting mechanism is arranged on the inner side of the axial positioning connecting cylinder 102; and the adjusting mechanism is arranged on the inner side of the base connecting ring 101.

[0031] The adjusting mechanism comprises gear linkage grooves 201, connecting guide sliders 202, locking positioning bolts 3, adjusting knobs 4, fixed connection gears 401 and an adjusting gear ring 5. The gear linkage grooves 201 are provided in plurality, and the plurality of gear linkage grooves 201 are respectively arranged on the outer sides of the plurality of dynamic balance adjusting blocks 2. The connecting guide sliders 202 are provided in plurality, and the plurality of connecting guide sliders 202 are respectively fixedly connected to the rear end faces of the plurality of dynamic balance adjusting blocks 2. The plurality of connecting guide sliders 202 are all slidingly connected to the inner sides of the adjusting guide sliding grooves 103, and the connecting guide sliders 202 are in T shape. The locking positioning bolts 3 are provided in plurality, and the plurality of locking positioning bolts 3 are respectively threadedly connected to the inner sides of the plurality of dynamic balance adjusting blocks 2. The adjusting knobs 4 are provided in plurality, and the plurality of adjusting knobs 4 are respectively rotationally connected to the inner sides of the plurality of dynamic balance adjusting blocks 2. The fixed connection gears 401 are provided in plurality, and the plurality of fixed connection gears 401 are respectively fixedly connected to the outer sides of the plurality of adjusting knobs 4 and rotationally connected to the inner sides of the plurality of dynamic balance adjusting blocks 2. The adjusting gear ring 5 is fixedly connected to the inner side of the base connecting ring 101 and simultaneously engaged with the plurality of fixed connection gears 401.

[0032] The specific use mode and role of the embodiment are as follows: after the locking positioning bolts 3 are loosened, the adjusting knobs 4 are rotated, the rotation of the adjusting knobs 4 drives the fixed connection gears 401 to rotate, the rotation of the fixed connection gears 401 drives the dynamic balance adjusting blocks 2 to slide under the engagement with the adjusting gear ring 5, the sliding of the dynamic balance adjusting blocks 2 adjusts the balance point of the balance base 1, after the adjustment is completed, the locking positioning bolts 3 are tightened, and the locking positioning bolts 3 are abutted against the inner sides of the adjusting guide sliding grooves 103, thereby fixing the dynamic balance adjusting blocks 2. Embodiment Two

[0033] On the basis of embodiment one, as Figures 5-8As shown, the mounting mechanism comprises: an annular connecting groove 104, an internal thread driving ring groove 105, a radial clamping sliding groove 106, an extrusion guide sliding groove 107, a circumferential driving operation ring 6, a rotary transition connecting ring 601, a guide transmission connecting ring 602, a sliding limiting guide rod 603, a threaded connecting ring 7, a sliding guide groove 701, an extrusion clamping block 8, an anti-skid pad 801, a reset spring 802, and an extrusion guide sliding block 803; the annular connecting groove 104 is arranged on the rear end face of the axial positioning connecting cylinder 102; the internal thread driving ring groove 105 is arranged on the inner side of the axial positioning connecting cylinder 102, and the inner side of the internal thread driving ring groove 105 is provided with threads; the radial clamping sliding groove 106 is provided with a plurality of radial clamping sliding grooves 106, which are arranged on the inner side of the axial positioning connecting cylinder 102; the extrusion guide sliding groove 107 is provided with a plurality of groups of extrusion guide sliding grooves 107, which are arranged on the inner side of the radial clamping sliding groove 106; the circumferential driving operation ring 6 is rotationally connected to the rear end face of the axial positioning connecting cylinder 102; the rotary transition connecting ring 601 is fixedly connected to the front end face of the circumferential driving operation ring 6, and the rotary transition connecting ring 601 is rotationally connected to the inner side of the annular connecting groove 104; the guide transmission connecting ring 602 is fixedly connected to the front end face of the circumferential driving operation ring 6; the sliding limiting guide rod 603 is provided with a plurality of sliding limiting guide rods 603, which are fixedly connected to the outer side of the guide transmission connecting ring 602; the threaded connecting ring 7 is provided with threads on the outer side, and the threaded connecting ring 7 is threadedly connected to the inner side of the internal thread driving ring groove 105 and slidably connected to the outer side of the guide transmission connecting ring 602; the sliding guide groove 701 is provided with a plurality of sliding guide grooves 701, which are arranged on the inner side of the threaded connecting ring 7 and slidably connected to the sliding limiting guide rod 603; the extrusion clamping block 8 is provided with a plurality of extrusion clamping blocks 8, which are slidably connected to the inner side of the radial clamping sliding groove 106; the anti-skid pad 801 is provided with a plurality of anti-skid pads 801, which are fixedly connected to the outer side of the extrusion clamping block 8; the reset spring 802 is provided with a plurality of reset springs 802, one end of which is fixedly connected to the inner side of the extrusion clamping block 8, and the other end of which is fixedly connected to the inner side of the axial positioning connecting cylinder 102; the extrusion guide sliding block 803 is provided with a plurality of groups of extrusion guide sliding blocks 803, which are fixedly connected to the outer side of the extrusion clamping block 8 and slidably connected to the extrusion guide sliding groove 107.

[0034] The specific use and role of the embodiment are as follows: after the axial positioning connecting barrel 102 is sleeved on the outer side of the motor output shaft, the circumferential driving operation ring 6 is rotated, the rotation of the circumferential driving operation ring 6 drives the guiding transmission connecting ring 602 to rotate, the rotation of the guiding transmission connecting ring 602 drives the threaded connecting ring 7 to rotate under the action of the sliding guiding groove 701 and the sliding limiting guide rod 603, the rotation of the threaded connecting ring 7 slides under the action of the internal thread driving ring groove 105, the sliding of the threaded connecting ring 7 extrudes the plurality of extrusion clamping blocks 8 to slide to the inner side, the extrusion clamping blocks 8 clamp the motor output shaft through the anti-skid pad 801, and the installation of the balance base 1 is realized.

[0035] In this paper, the following points need attention: 1. The embodiment of the application only relates to the structure involved in the embodiment of the application, and other structures can refer to the general design.

[0036] 2. In the case of no conflict, the embodiments of the application and the features in the embodiments can be combined to obtain new embodiments.

[0037] The above is only a specific implementation of the application, but the protection scope of the application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the application, which should be covered in the protection scope of the application. Therefore, the protection scope of the application should be subject to the protection scope of the claims.

Claims

1. A balancing device for a motor, comprising a balancing base, a base connecting ring, an axial positioning connecting cylinder, an adjustment guide slot, a dynamic balancing adjustment block, an adjustment mechanism, and a mounting mechanism; the base connecting ring is fixedly connected to the front end surface of the balancing base and is annular; the axial positioning connecting cylinder is fixedly connected to the rear end surface of the balancing base and is cylindrical; and characterized in that: The adjustment guide groove is opened on the inner side of the front end of the balancing base, and the adjustment guide groove is T-shaped; there are multiple dynamic balancing adjustment blocks, and the multiple dynamic balancing adjustment blocks are all slidably connected to the front end surface of the balancing base; the mounting mechanism is arranged on the inner side of the axial positioning connecting cylinder; the adjustment mechanism is arranged on the inner side of the base connecting ring.

2. A balancing device for a motor according to claim 1, characterized in that: The adjustment mechanism includes: a gear linkage groove and a connecting guide slider; there are multiple gear linkage grooves, and the multiple gear linkage grooves are respectively opened on the outside of multiple dynamic balance adjustment blocks; there are multiple connecting guide sliders, and the multiple connecting guide sliders are respectively fixedly connected to the rear end faces of the multiple dynamic balance adjustment blocks, and the multiple connecting guide sliders are all slidably connected to the inner side of the adjustment guide slot, and the connecting guide slider is T-shaped.

3. A balancing device for a motor as claimed in claim 2, characterized in that: The adjustment mechanism further includes: a locking positioning bolt; a plurality of the locking positioning bolts are provided, and the plurality of locking positioning bolts are respectively threadedly connected to the inner sides of the plurality of dynamic balance adjustment blocks.

4. A balancing device for a motor as claimed in claim 3, characterized in that: The adjustment mechanism also includes: an adjustment knob and a fixed connection gear; there are multiple adjustment knobs, and the multiple adjustment knobs are respectively rotatably connected to the inner sides of multiple dynamic balance adjustment blocks; there are multiple fixed connection gears, and the multiple fixed connection gears are respectively fixedly connected to the outer sides of the multiple adjustment knobs, and the multiple fixed connection gears are respectively rotatably connected to the inner sides of the multiple dynamic balance adjustment blocks.

5. A balancing device for a motor as claimed in claim 4, characterized in that: The adjustment mechanism further includes: an adjustment gear ring; the adjustment gear ring is fixedly connected to the inner side of the base connection ring, and the adjustment gear ring is simultaneously engaged with a plurality of fixed connection gears.

6. A balancing device for a motor according to claim 1, characterized in that: The mounting mechanism includes: an annular connecting groove, a circumferential drive operating ring and a rotating transition connecting ring; the annular connecting groove is opened on the rear end face of the axial positioning connecting cylinder; the circumferential drive operating ring is rotatably connected to the rear end face of the axial positioning connecting cylinder; the rotating transition connecting ring is fixedly connected to the front end face of the circumferential drive operating ring, and the rotating transition connecting ring is rotatably connected to the inner side of the annular connecting groove.

7. A balancing device for a motor according to claim 6, characterized in that: The mounting mechanism also includes: a guide transmission connecting ring and a sliding limit guide rod; the guide transmission connecting ring is fixedly connected to the front end surface of the circumferential drive operating ring; there are multiple sliding limit guide rods, and the multiple sliding limit guide rods are all fixedly connected to the outside of the guide transmission connecting ring.

8. A balancing device for a motor as claimed in claim 7, characterized in that: The mounting mechanism also includes: an internal thread drive ring groove, a threaded connecting ring and a sliding guide groove; the internal thread drive ring groove is arranged on the inner side of the axial positioning connecting cylinder, and the inner side of the internal thread drive ring groove is provided with a thread; the outer side of the threaded connecting ring is provided with a thread, the threaded connecting ring is threadedly connected to the inner side of the internal thread drive ring groove, and the threaded connecting ring is slidably connected to the outer side of the guide transmission connecting ring; there are multiple sliding guide grooves, and the multiple sliding guide grooves are all arranged on the inner side of the threaded connecting ring, and the multiple sliding guide grooves are respectively slidably connected to multiple sliding limit guide rods.

9. A balancing device for a motor as claimed in claim 8, characterized in that: The mounting mechanism also includes: a radial clamping groove, an extrusion clamping block, an anti-slip pad and a return spring; there are multiple radial clamping grooves, and the multiple radial clamping grooves are all opened on the inner side of the axial positioning connecting tube; there are multiple extrusion clamping blocks, and the multiple extrusion clamping blocks are respectively slidably connected to the inner sides of the multiple radial clamping grooves; there are multiple anti-slip pads, and the multiple anti-slip pads are respectively fixedly connected to the outer sides of the multiple extrusion clamping blocks; there are multiple return springs, one end of the multiple return springs is respectively fixedly connected to the inner side of the multiple extrusion clamping blocks, and the other end of the multiple return springs is fixedly connected to the inner side of the axial positioning connecting tube.

10. A balancing device for a motor according to claim 9, characterized in that: The mounting mechanism also includes: extrusion guide slots and extrusion guide sliders; the extrusion guide slots are provided in multiple groups, and the multiple groups of extrusion guide slots are respectively opened on the inner side of the radial clamping slots; the extrusion guide sliders are provided in multiple groups, and the multiple groups of extrusion guide sliders are respectively fixedly connected to the outer sides of multiple extrusion clamping blocks, and the multiple groups of extrusion guide sliders are respectively slidably connected to the multiple groups of extrusion guide slots.

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