CN115524060A - Supporting structure for new energy automobile motor rotor balancing machine - Google Patents

Abstract

The application discloses a bearing structure for new energy automobile motor rotor balancing machine, including braced frame, the adjustment frame, the connecting rod, be connected with the adjustment frame and be used for the locating rack of rotor location, connecting rod one end is articulated with braced frame, the other end is articulated with the adjustment frame, in the embodiment of the application, adopt foretell a bearing structure for new energy automobile motor rotor balancing machine, through connecting rod both ends articulated braced frame respectively, the adjustment frame is in order to realize the connection of braced frame and adjustment frame, the structural characteristic (being dynamic friction factor) that has used machinery replaces former leaf spring type soft bearing dynamic balancing machine and utilizes the mechanics of materials characteristic to make the soft bearing dynamic balancing machine, the inaccurate problem of measurement result numerical value that the leaf spring plastic deformation brought has been solved, even make equipment use for a long time also can not produce the measured data distortion, still make the bearing weight scope of same soft bearing balancing machine enlarge.

Description

Supporting structure for new energy automobile motor rotor balancing machine

Technical Field

The invention relates to the technical field of rotor detection, in particular to a supporting structure for a motor rotor balancing machine of a new energy automobile.

Background

When the unbalance amount of the rotor is measured, a supporting structure is needed to support the rotor and is divided into a hard support and a soft support, in the existing scheme, a leaf spring is mostly adopted by the soft support structure to suspend a vibrating body, and the dynamic balance of the rotor is detected by utilizing the elastic modulus linear law (according to Hooke's law) of the leaf spring (F = k.x, F is elastic force, k is a calibration coefficient, and x is a deformation amount).

The plate spring suspension has the advantages of simple structure and convenience in assembly, but meanwhile, due to the plastic deformation problem of the plate spring suspension mode, after the plate spring suspension is used for a long time, the measurement result of the balancing machine affected by the plastic deformation generates quite large deviation, and the error cannot be expected, so that the measurement result is difficult to find and check.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the supporting structure for the new energy automobile motor rotor balancing machine, which is long in service life and high in measurement accuracy.

In order to achieve the above object, the present invention is achieved by the following technical solutions.

The application provides a bearing structure for new energy automobile electric motor rotor balancing machine includes:

a support frame;

the adjusting frame is connected with the supporting frame through a connecting rod;

one end of the connecting rod is hinged with the supporting frame, and the other end of the connecting rod is hinged with the adjusting frame;

the positioning frame is connected with the adjusting frame and used for positioning the rotor;

the lifting assembly is used for adjusting the height of the positioning frame relative to the adjusting frame;

wherein, the connecting rod is provided with two about the locating rack symmetry.

Further, the supporting structure for the new energy automobile motor rotor balancing machine is defined, wherein a supporting cavity for accommodating the adjusting frame is formed in the supporting frame, and one side end, far away from the ground, of the adjusting frame protrudes to the outer side of the supporting frame.

Further, the supporting structure for the new energy automobile motor rotor balancing machine is further defined, wherein the supporting frame is symmetrically provided with two first mounting grooves which are communicated with the supporting cavity and are arranged on the positioning frame, and the adjusting frame is provided with two second mounting grooves which are arranged on the adjusting frame and correspond to the two first mounting grooves;

one end of the connecting rod is hinged in the first mounting groove through a first hinge, and the other end of the connecting rod is hinged in the second mounting groove at a corresponding position through a second hinge.

Further, the support structure for the new energy automobile motor rotor balancing machine is defined, wherein the two connecting rods are parallel in the vertical direction.

Further, the support structure for the new energy automobile motor rotor balancing machine is further limited, wherein two positioning rotating wheels are symmetrically and rotatably arranged at corresponding positions of one end, far away from the supporting frame, of the positioning frame.

Further, the supporting structure for the new energy automobile motor rotor balancing machine is characterized in that an accommodating cavity which is provided with an opening and is far away from the ground and used for accommodating the positioning frame is formed in the adjusting frame, and the positioning frame can slide in the accommodating cavity.

Further, the support structure for the new energy automobile motor rotor balancing machine is defined, wherein the lifting assembly comprises a connecting rod arranged between the bottom of the positioning frame and the bottom wall of the accommodating cavity, one end of the connecting rod is rotatably connected with the adjusting frame, and the other end of the connecting rod is in threaded connection with the positioning frame.

Further, the support structure for the new energy automobile motor rotor balancing machine is characterized in that a through groove is formed in the adjusting frame in a penetrating mode.

The invention has at least the following beneficial effects:

the two ends of the connecting rod are respectively hinged with the supporting frame and the adjusting frame to realize the connection of the supporting frame and the adjusting frame, namely, the mechanical structural characteristics (namely the dynamic friction factor) are used for replacing the original plate spring type soft bearing dynamic balancing machine to manufacture the soft bearing dynamic balancing machine by utilizing the mechanical characteristics of materials, the problem of inaccurate numerical value of a measuring result caused by the plastic deformation of a plate spring is solved, the device cannot generate the distortion of measuring data even if used for a long time, and the bearing weight range of the same soft bearing balancing machine is enlarged.

Drawings

FIG. 1 is a schematic structural diagram of a driving device for a new energy automobile motor rotor balancing machine according to an embodiment of the application;

FIG. 2 is a schematic structural diagram of a driving device for a new energy automobile motor rotor balancing machine according to an embodiment of the application;

FIG. 3 is an enlarged schematic view of a "stroke slot 750" part of a driving device for a new energy automobile motor rotor balancing machine according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a driving device for a new energy automobile motor rotor balancing machine according to an embodiment of the application;

FIG. 5 is a schematic structural diagram of a driving device for a new energy automobile motor rotor balancing machine according to an embodiment of the application;

FIG. 6 is a schematic structural diagram of a supporting structure for a new energy automobile motor rotor balancing machine according to an embodiment of the application;

FIG. 7 is a schematic structural diagram of a supporting structure for a new energy automobile motor rotor balancing machine according to an embodiment of the application;

FIG. 8 is a schematic structural diagram of a supporting structure for a new energy automobile motor rotor balancing machine according to an embodiment of the application;

FIG. 9 is a schematic structural diagram of a supporting frame 910 portion of a supporting structure for a new energy automobile motor rotor balancing machine according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of a support structure with a portion of a "support frame 910" hidden for a new energy automobile motor rotor balancing machine according to an embodiment of the present application.

Reference numerals

Left driving arm-110, right driving arm-120, adjusting groove-121, support-200, first left driven pulley-301, first right driven pulley-302, second left driven pulley-303, second right driven pulley-304, third left driven pulley-305, third right driven pulley-306, fourth left driven pulley-307, fourth right driven pulley-308, fifth left driven pulley-309, fifth right driven pulley-310, sixth left driven pulley-311, sixth right driven pulley-312, belt-400, base-500, driving pulley-610, mounting plate-620, motor frame-630, driving motor-640, driving connecting plate-650, cylinder-660, jaw-670, guide rail-710, slider-720, joint plate-730, adjusting block-740, stroke groove-750, positioning bolt-760, rotor-810, rotating shaft-811, supporting frame-910, supporting cavity-911, first mounting groove-912, positioning frame-920, adjusting connecting rod-930, adjusting groove-940, adjusting groove-941-950, second connecting rod-980, positioning hinge-942, and second connecting rod-942.

Detailed Description

The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived from the embodiments in the present application by a person skilled in the art, are within the scope of protection of the present application.

The terms first, second and the like in the description and in the claims of the present application 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 embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/", and generally means that the former and latter related objects are in an "or" relationship.

The driving device for the new energy automobile motor rotor balancing machine provided by the embodiment of the present application is described in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.

As shown in fig. 1-5, the embodiment of the present application provides a driving device for a new energy automobile motor rotor balancing machine, which includes a base 500, a left driving arm 110 and a right driving arm 120 that are symmetrically disposed on the base 500 and can move synchronously toward or away from each other, a bracket 200 fixedly disposed on the base 500, a pulley assembly for driving the rotor 810 to rotate, and a rotation driving assembly for driving the pulley assembly.

The base 500 is provided with a guide rail assembly connected with the left driving arm 110 and the right driving arm 120 and a clamping driving assembly used for driving the left driving arm 110 and the right driving arm 120 to move, the guide rail assembly comprises a guide rail 710 fixedly arranged on the base 500 close to the left driving arm 110 and the right driving arm 120 on one side end face, the guide rail 710 is provided with two sliding blocks 720 in a sliding manner, the sliding blocks 720 are fixedly provided with a connecting plate 730 on the end face of one side far away from the guide rail 710, the connecting plate 730 is fixedly provided with an adjusting block 740 on the end face of one side far away from the sliding block 720, and the left driving arm 110 and the right driving arm 120 are respectively and fixedly connected with the two adjusting blocks 740.

The clamping driving assembly comprises a driving connecting plate 650 fixedly arranged on the base 500, a cylinder 660 is arranged on the driving connecting plate 650, two clamping jaws 670 capable of moving in the opposite direction or in the opposite direction are arranged on the cylinder 660, and the two adjusting blocks 740 are fixedly connected with the clamping jaws 670 at the corresponding positions respectively.

When the cylinder 660 drives the two jaws 670 to move towards or away from each other, the jaws 670 drive the slider 720 to slide on the guide rail 710 through the adjusting block 740, so as to drive the left driving arm 110 and the right driving arm 120 to move towards or away from each other, when the left driving arm 110 and the right driving arm 120 move towards each other, the belt pulley assembly is driven to wrap the rotor 810, and the rotary driving assembly can drive the rotor 810 to rotate through the belt pulley assembly.

It is understood that the clamping driving assembly is used for driving the left driving arm 110 and the right driving arm 120 to synchronously move towards or away from each other, the coupling manner of the jaws 670 with the left driving arm 110 and the right driving arm 120 is not limited to the above, for example, two jaws 670 can be fixedly connected with the corresponding position slider 720 and the connecting plate 730, or two jaws 670 are directly connected with the left driving arm 110 and the right driving arm 120, respectively.

Of course, the structure of the clamping driving assembly is not limited to the above one, and for example, the movement of the left driving arm 110 and the right driving arm 120 may be controlled by a matching structure of a screw and a threaded slider, as long as the left driving arm 110 and the right driving arm 120 can move synchronously toward or away from each other.

In a preferred embodiment, as shown in fig. 1-5, the pulley assembly comprises a belt 400 and radially coplanar and axially parallel driving pulleys 610, a first left driven pulley 301, a first right driven pulley 302, a second left driven pulley 303, a second right driven pulley 304, a third left driven pulley 305, a third right driven pulley 306, a fourth left driven pulley 307, a fourth right driven pulley 308, a fifth left driven pulley 309, a fifth right driven pulley 310, a sixth left driven pulley 311, a sixth right driven pulley 312, wherein the driving pulleys 610 are connected to the rotational drive assembly.

The first left driven pulley 301, the second left driven pulley 303, the third left driven pulley 305 and the fourth left driven pulley 307 are rotatably disposed on the left driving arm 110, the first right driven pulley 302, the second right driven pulley 304, the third right driven pulley 306 and the fourth right driven pulley 308 are rotatably disposed on the right driving arm 120, the fifth left driven pulley 309, the fifth right driven pulley 310, the sixth left driven pulley 311 and the sixth right driven pulley 312 are rotatably disposed on the support 200, as shown in fig. 5, the sixth left driven pulley 311 and the sixth right driven pulley 312 are positioned on the upper side of the driving pulley 610 and are symmetrical with respect to a reference axis, the fifth left driven pulley 309 and the fifth right driven pulley 310 are positioned on the upper side of the sixth left driven pulley 311 and the sixth right driven pulley 312 and are symmetrical with respect to the reference axis, and the distance between the fifth left driven pulley 309 and the fifth right driven pulley 310 and the reference axis is larger than the distance between the sixth left driven pulley 311 and the sixth right driven pulley 312 and the driving arm, wherein the reference axis is a symmetrical plane of the left driving arm 110 and the right driving arm 120.

The axes of the first left driven pulley 301 and the first right driven pulley 302 are located on the same horizontal plane, and the horizontal plane is located between the horizontal plane where the fifth left driven pulley 309 and the fifth right driven pulley 310 are located and the horizontal plane where the sixth left driven pulley 311 and the sixth right driven pulley 312 are located; the second left driven belt wheel 303 and the second right driven belt wheel 304 are symmetrical about the reference axial plane, and the horizontal plane where the second left driven belt wheel 303 and the second right driven belt wheel 304 are located is located on the upper side of the horizontal plane where the fifth left driven belt wheel 309 and the fifth right driven belt wheel 310 are located; the third left driven pulley 305 and the third right driven pulley 306 are symmetrical about the reference axis, and the horizontal planes where the third left driven pulley 305 and the third right driven pulley 306 are located on the upper side of the horizontal planes where the second left driven pulley 303 and the second right driven pulley 304 are located; the fourth left driven pulley 307 and the fourth right driven pulley 308 are symmetrical about the reference axis, and the horizontal planes of the fourth left driven pulley 307 and the fourth right driven pulley 308 are positioned between the horizontal planes of the second left driven pulley 303 and the second right driven pulley 304 and the horizontal planes of the fifth left driven pulley 309 and the fifth right driven pulley 310; the distances between the first left driven pulley 301 and the first right driven pulley 302 and the reference shaft surface are greater than the distances between the sixth left driven pulley 311 and the sixth right driven pulley 312 and the reference shaft surface, the distances between the third left driven pulley 305 and the third right driven pulley 306 and the reference shaft surface are less than the distances between the fifth left driven pulley 309 and the fifth right driven pulley 310 and the reference shaft surface, the axes of the third left driven pulley 305 and the fourth left driven pulley 307 are located on the same vertical plane, the axes of the third right driven pulley 306 and the fourth right driven pulley 308 are located on the same vertical plane, and spaces for accommodating the rotor 810 are respectively arranged between the left driving arm 110 and the fourth left driven pulley 305 and between the right driving arm 120 and the third right driven pulley 306 and between the fourth right driven pulley 308.

As shown in fig. 5, the belt 400 is wound out from the driving pulley 610, and then sequentially wound around the sixth left driven pulley 311 right side, the first left driven pulley 301 left side, the second left driven pulley 303 left side, the third left driven pulley 305 upper side, the fourth left driven pulley 307 right side, the fifth left driven pulley 309 left side, the fifth right driven pulley 310 right side, the fourth right driven pulley 308 left side, the third right driven pulley 306 upper side, the second right driven pulley 304 right side, the first right driven pulley 302 right side, the sixth right driven pulley 312 left side, and finally wound back to the driving pulley 610 to form a closed loop.

In the embodiment of the application, by using the above-mentioned driving device for the new energy automobile motor rotor balancing machine, when the equipment is operated, the air cylinder 660 drives the synchronous left driving arm 110 and the synchronous right driving arm 120 to move oppositely through the two claws 670 so as to control the belt 400 between the third left driven pulley 305 and the fourth left driven pulley 307 and between the third right driven pulley 306 and the fourth right driven pulley 308 to be attached to the surface of the rotor 810, that is, the wrap angle of the belt 400 on the rotor 810 is composed of a left part and a right part, the total wrap angle is large, the limit value of the friction force of the belt 400 on the rotor 810 is increased, the possibility that the belt 400 slips on the rotor 810 is reduced, and the resultant force principal vector of the belt 400 on the acting force of the rotor 810 is zero, so that no extra measurement error is caused.

Meanwhile, in the movement process that the left and right driving arms 110 and 120 drive the belt 400 to contact the rotor 810, the distances between the fifth left driven pulley 309 and the fourth left driven pulley 307 and between the fifth right driven pulley 310 and the fourth right driven pulley 308 are reduced, the distances between the first left driven pulley 301 and the sixth left driven pulley 311 and between the first right driven pulley 302 and the sixth right driven pulley 312 are increased, the total effect makes the tension of the belt 400 constant, then, the driving pulley 610 is driven to rotate by rotating the driving assembly, so that the rotor 810 is driven to rotate by the belt 400, the torque of the driving pulley 610 is transmitted to the surface of the rotor 810 by the belt 400, the rotor 810 is driven to reach the rotating speed required by measurement, and the unbalance amount is measured.

It is to be understood that the structure of the pulley assembly is not limited to the above-mentioned one, for example, transition pulleys are additionally provided between the second left driven pulley 303 and the third left driven pulley 305, and the second right driven pulley 304 and the third right driven pulley 306 according to actual conditions, or the second left driven pulley 303 and the second right driven pulley 304 are directly eliminated, as long as the tension of the belt 400 is ensured to be constant during the synchronous opposite movement of the left driving arm 110 and the right driving arm 120.

In a preferred embodiment, as shown in fig. 1 and 2, the rotational driving assembly includes a motor frame 630 fixedly disposed on an end surface of the base 500 away from the left driving arm 110 and the right driving arm 120, the driving motor 640 is fixed on the motor frame 630 through a mounting plate 620, and the driving pulley 610 is in power connection with the driving motor 640.

It is to be understood that the structure of the rotational driving assembly is not limited to the above-mentioned one, and for example, a multi-stage transmission mechanism may be provided between the driving motor 640 and the driving pulley 610 as long as the rotational driving of the driving pulley 610 is achieved.

In a preferred embodiment, as shown in fig. 2 and 3, at least one stroke groove 750 is formed through the adjusting block 740, a positioning bolt 760 threadedly connected to the joint plate 730 is slidably disposed in the stroke groove 750, a sliding direction of the positioning bolt 760 in the stroke groove 750 is a moving direction of the left driving arm 110 and the right driving arm 120, and when the positioning bolt 760 is in a loose state, the adjusting block 740 can move relative to the positioning bolt 760, so as to drive the left driving arm 110 and the right driving arm 120 to move relative to the joint plate 730, thereby adjusting a distance between the left driving arm 110 and the right driving arm 120.

Before the device is operated, the installation positions of the two adjusting blocks 740 on the connecting joint plates 730 are respectively adjusted according to the outer diameter of the rotor 810 and the tension required by driving the rotor 810, so that the positions of the left driving arm 110 and the right driving arm 120 are adjusted, the device is suitable for rotors 810 with different outer diameters and meets the tension requirement on a belt 400, and when the positioning bolts 760 rotate and are locked, the positions of the adjusting blocks 740 relative to the connecting joint plates 730 are fixed, namely the positions of the left driving arm 110 and the right driving arm 120 relative to the connecting joint plates 730 are fixed again.

In a preferred embodiment, as shown in fig. 2, an adjusting groove 121 is formed through the right driving arm 120 at a position corresponding to the first right driven pulley 302, the first right driven pulley 302 is connected to the right driving arm 120 by a bearing stop pin and a fastening nut, the bearing stop pin can horizontally slide in the adjusting groove 121, when the bearing stop pin and the fastening nut are in a loose state, the first right driven pulley 302 can horizontally move to adjust a distance from the reference shaft surface, and when the fastening nut is in a tight state, the position of the first right driven pulley 302 on the right driving arm 120 is fixed.

In the embodiment of the application, the driving device for the new energy automobile motor rotor balancing machine is adopted, the tension of the belt 400 can be adjusted under the condition that the belt 400 is attached to the rotor 810 by adjusting the distance between the first right driven pulley 302 and the reference shaft surface, so that the relative positions of the left driving arm 110, the right driving arm 120 and the slider 720 do not need to be adjusted secondarily, and the detection efficiency is improved.

It will be appreciated that any driven pulley may be provided as an adjustable structure, provided that the overall tension of the belt 400 is maintained balanced.

As shown in fig. 6-10, the embodiment of the present application provides a supporting mechanism for a new energy automobile motor rotor balancing machine, including a supporting frame 910, an adjusting frame 940, a positioning frame 920 for supporting a rotor 810, and a connecting rod 950 for connecting the supporting frame 910 and the adjusting frame 940, a supporting cavity 911 for accommodating the adjusting frame 940 is provided in the supporting frame 910, the upper end of the adjusting frame 940 protrudes to the upper side of the supporting frame 910, an accommodating cavity 941 with an upward opening and for accommodating the positioning frame 920 is provided in the adjusting frame 940, the positioning frame 920 can slide in the accommodating cavity 941, a connecting rod 930 is provided between the bottom of the positioning frame 920 and the bottom wall of the accommodating cavity 941, and the positioning frame 920 can be driven to move in the accommodating cavity 941 by rotating the connecting rod 930 to adjust the height of the positioning frame.

Support and vertically link up between chamber 911 inner wall and the braced frame 910 surface and be equipped with two first mounting grooves 912, two first mounting grooves 912 are symmetrical about locating rack 920, it is equipped with two second mounting grooves 943 to correspond the vertical link up in position about two first mounting grooves 912 on the adjustment frame 940, connecting rod 950 is equipped with two and connects first mounting groove 912 and the second mounting groove 943 that corresponds one side respectively, wherein, connecting rod 950 one end is articulated to be set up in first mounting groove 912 through first hinge 960, the other end is articulated to be set up in second mounting groove 943 through second hinge 970.

In measuring the unbalance amount of the rotor 810, it is necessary to support the rotor 810 using a support structure, in the soft support structure of the prior art, according to hooke's law: f = k · x (F is an elastic force, k is a calibration coefficient, and x is a deformation amount), and when the mass of the supported rotor 810 is large or after a long period of use, the plate spring is plastically deformed to change the calibration coefficient k, so that after a long period of use by a user, the plate spring coefficient k is changed to be large without changing the plate spring type variable x as the plastic deformation of the plate spring increases, and although the standard deviation of repeated measurement of the same rotor 810 on each machine is relatively small, the measurement result F of 2 or more soft support dynamic balancing machines using the plate spring by the same rotor 810 has a relatively large deviation due to the difference of the coefficient k, and the user cannot confirm which device has an accurate measurement result value after the measurement of the same rotor 810 by a plurality of balancing machines.

In the embodiment of the application, the supporting mechanism for the new energy automobile motor rotor balancing machine is adopted, the supporting frame 910 and the adjusting frame 940 are hinged to the two ends of the connecting rod 950 respectively to realize connection of the supporting frame 910 and the adjusting frame 940, and when the plate spring type supporting structure works, the plate spring not only generates bending deformation but also generates twisting deformation, and the bending rigidity of the plate spring is increased due to the twisting deformation, so that the characteristics of the supporting structure deviate from calibration data.

It is understood that the connection structure of the connecting rod 950, the supporting frame 910 and the adjusting bracket 940 is not limited to the above-mentioned one, and for example, the arrangement direction of the connecting rod 950 can be changed from a vertical arrangement to various angle arrangements, as long as it is ensured that the connecting rods 950 on both sides are symmetrical with respect to the positioning bracket 920.

In a preferred embodiment, one end of the connecting rod 930 is rotatably connected to the adjusting frame 940, and the other end of the connecting rod 930 is threadedly connected to the positioning frame 920, so that when the connecting rod 930 rotates, the positioning frame 920 is restricted by the inner wall of the accommodating cavity 941 and cannot rotate, and is driven by the threads to move in the accommodating cavity 941 to adjust the height.

It should be understood that the connection structure of the connection rod 930 is not limited to the above-mentioned one, as long as the height adjustment of the positioning frame 920 can be achieved, for example, one end of the connection rod 930 may be rotatably connected to the positioning frame 920, and the other end may be screwed to the adjustment frame 940, in which case the height adjustment of the positioning frame 920 may also be achieved.

In a preferred embodiment, as shown in fig. 5-8 and 10, two positioning wheels 980 are symmetrically and rotatably disposed on the positioning rack 920 about the symmetry axis of the two first mounting grooves 912, the two positioning wheels 980 are located at the top of the positioning rack 920, during use, the two supporting mechanisms are oppositely disposed, two ends of the rotating shaft 811 of the rotor 810 are respectively placed between the two positioning wheels 980 of the two supporting mechanisms, so as to realize positioning and supporting of the positioning rack 920 on the rotor 810, and when the rotor 810 rotates, the rotating shaft 811 and the two positioning wheels 980 on the corresponding side respectively rotate relatively.

It will be appreciated that the diameters of the two positioning rollers 980 of the positioning bracket 920 and the distance therebetween are set according to the diameter of the rotation shaft 811, thereby ensuring stable support of the rotor 810, and the number of positioning rollers 980 may be increased as necessary to achieve overall support of the rotation shaft 811.

In a preferred embodiment, as shown in fig. 5-8 and 10, a through slot 942 is disposed through the adjusting frame 940 at a lower side of the receiving cavity 941, and the through slot 942 is used to reduce the weight of the adjusting frame 940.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. A supporting structure for a new energy automobile motor rotor balancing machine is characterized by comprising:

a support frame;

the adjusting frame is connected with the supporting frame through a connecting rod;

one end of the connecting rod is hinged with the supporting frame, and the other end of the connecting rod is hinged with the adjusting frame;

the positioning frame is connected with the adjusting frame and used for positioning the rotor;

the lifting assembly is used for adjusting the height of the positioning frame relative to the adjusting frame;

wherein, the connecting rod is provided with two about the locating rack symmetry.

2. The supporting structure for the new energy automobile motor rotor balancing machine according to claim 1, wherein a supporting cavity for accommodating the adjusting frame is formed in the supporting frame, and one side end of the adjusting frame, which is far away from the ground, protrudes to the outside of the supporting frame.

3. The supporting structure for the new energy automobile motor rotor balancing machine according to claim 2, characterized in that two first mounting grooves which are communicated with the supporting cavity are symmetrically formed on the supporting frame relative to the positioning frame, and two second mounting grooves are formed on the adjusting frame relative to the two first mounting grooves;

wherein, one end of the connecting rod is hinged in the first mounting groove through a first hinge, and the other end is hinged in the corresponding position in the second mounting groove through a second hinge.

4. The support structure for the electric motor rotor balancing machine of the new energy automobile according to claim 1 or 3, wherein the two connecting rods are parallel in a vertical direction.

5. The supporting structure for the new energy automobile motor rotor balancing machine according to claim 1, wherein two positioning rotating wheels are symmetrically and rotatably arranged at corresponding positions of one end of the positioning frame, which is far away from the supporting frame.

6. The supporting structure for the new energy automobile motor rotor balancing machine according to claim 1, wherein an accommodating cavity which is opened to the side away from the ground and is used for accommodating the positioning frame is formed in the adjusting frame, and the positioning frame can slide in the accommodating cavity.

7. The supporting structure for the new energy automobile motor rotor balancing machine according to claim 5, wherein the lifting assembly comprises a connecting rod arranged between the bottom of the positioning frame and the bottom wall of the accommodating cavity, one end of the connecting rod is rotatably connected with the adjusting frame, and the other end of the connecting rod is in threaded connection with the positioning frame.

8. The supporting structure for the new energy automobile motor rotor balancing machine according to claim 1, characterized in that a through groove is formed in the adjusting frame in a penetrating manner.

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