CN210513540U

CN210513540U - Motor rotor detection mechanism

Info

Publication number: CN210513540U
Application number: CN201921565489.1U
Authority: CN
Inventors: 陈剑; 宦铭
Original assignee: Reid Servo Technology Suzhou Co Ltd
Current assignee: Reid Servo Technology Suzhou Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-05-12
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses an electric motor rotor detection mechanism, including bottom plate, fixed block, headstock, motor, transmission post, fixed plate, first bearing, driving cylinder, rubber column, second bearing, support frame, roof, threaded rod, knob, fixed cylinder, pressure sensor, driving ring and third bearing. The utility model discloses an embed a plurality of pressure sensor of installation in the bottom of solid fixed cylinder, can be effectual detect whether motor rotor mass distribution is even, thereby make the worker according to the later stage manufacturing procedure of data adjustment motor rotor, prevent to use the unusual condition in the motor later stage because of motor rotor mass distribution is inhomogeneous; through the height of adjustment roof, can be applicable to the motor rotor of different specifications to increase this detection mechanism's application scope, prevent that this detection mechanism from mismatching with the motor rotor specification that detects and leading to the condition that can't detect, the device simple structure, convenient to use is fit for using widely.

Description

Motor rotor detection mechanism

Technical Field

The utility model relates to a detection mechanism specifically is a motor rotor detection mechanism, belongs to motor spare part detection device technical field.

Background

The motor rotor is also a rotating part in the motor, the motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy, and the motor rotor is divided into a motor rotor and a generator rotor.

Because the rotor of the motor needs to rotate at a high speed when the motor rotates, if the rotor has uneven mass, the centrifugal force is different when the rotor rotates, which can cause the support part of the motor to be damaged, thereby affecting the service life of the motor, and the centrifugal force of the rotor of the motor needs to be detected when the rotor rotates; in addition, the length of the rotor of different types of motors is also different, and a detection mechanism with a wide application range is required to detect the rotors of different types of motors. Therefore, a motor rotor detection mechanism is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a motor rotor detecting mechanism for solving the above-mentioned problems.

The utility model realizes the above purpose by the following technical proposal, a motor rotor detection mechanism, which comprises a power supply mechanism and a detection mechanism;

the power supply mechanism comprises a bottom plate, a fixed block, a power box, a motor and a transmission column, wherein the fixed block is fixedly connected to the top of the bottom plate, the power box is fixedly connected to the top of the fixed block, the motor is fixedly connected to the inside of the power box, the transmission column is fixedly connected to an output shaft of the motor, the fixed plate is sleeved on the inner wall of the power box, the inner ring of a first bearing is sleeved on the surface of the outer wall of the transmission column, the first bearing is sleeved inside the fixed plate, the transmission cylinder is fixedly connected to the top of the transmission column, and two identical second bearings are sleeved on the top end of the inner wall of the power box from top to bottom;

the detection mechanism includes support frame, roof, threaded rod, knob and solid fixed cylinder, top one side rigid coupling of bottom plate has the support frame, the roof has been cup jointed to the outer wall of support frame, the one end threaded connection of roof has the threaded rod, the one end rigid coupling of threaded rod has the knob, the bottom rigid coupling of roof has solid fixed cylinder, the even embedded a plurality of the same pressure sensor of installing in the lateral wall bottom of solid fixed cylinder, it is a plurality of the inside of solid fixed cylinder is all arranged in to pressure sensor's sense terminal, and is a plurality of the equal rigid coupling of pressure sensor's sense terminal is at the outer wall of same drive ring, the third bearing has been cup jointed to the inside of drive ring.

Preferably, the output shaft of the motor, the transmission column, the rubber column, the second bearing and the third bearing are overlapped in the central axis in the vertical direction.

Preferably, a plurality of same rubber columns are uniformly and fixedly connected to the inner wall of the transmission cylinder.

Preferably, the threaded rod is overlapped on the outer wall surface of the support frame at one end far away from the knob.

Preferably, the diameters of the inner rings of the two second bearings and the third bearing are equal.

Preferably, the power box and the fixed cylinder are located on the same straight line in the vertical direction.

The utility model has the advantages that:

1. the utility model discloses an embed a plurality of pressure sensor of installation in the bottom of solid fixed cylinder, can be effectual detect whether motor rotor mass distribution is even, thereby make the worker according to the later stage manufacturing procedure of data adjustment motor rotor, prevent to use the unusual condition in the motor later stage because of motor rotor mass distribution is inhomogeneous;

2. through the height of adjustment roof, can be applicable to the motor rotor of different specifications to increase this detection mechanism's application scope, prevent that this detection mechanism from mismatching with the motor rotor specification that detects and leading to the condition that can't detect, the device simple structure, convenient to use is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1. the device comprises a bottom plate, 2, a fixed block, 3, a power box, 4, a motor, 5, a transmission column, 6, a fixed plate, 7, a first bearing, 8, a transmission cylinder, 9, a rubber column, 10, a second bearing, 11, a support frame, 12, a top plate, 13, a threaded rod, 14, a knob, 15, a fixed cylinder, 16, a pressure sensor, 17, a transmission ring, 18 and a third bearing.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a motor rotor detecting mechanism includes a power supply mechanism and a detecting mechanism;

the power supply mechanism comprises a bottom plate 1, a fixed block 2, a power box 3, a motor 4 and a transmission column 5, wherein the fixed block 2 is fixedly connected to the top of the bottom plate 1, the power box 3 is fixedly connected to the top of the fixed block 2, the motor 4 is fixedly connected to the inside of the power box 3, so that a rotor can be driven to rotate conveniently, the transmission column 5 is fixedly connected to an output shaft of the motor 4, a fixed plate 6 is sleeved on the inner wall of the power box 3, the outer wall surface of the transmission column 5 is sleeved on the inner ring of a first bearing 7, the first bearing 7 is sleeved inside the fixed plate 6, so that the rotor can be supported conveniently, a transmission barrel 8 is fixedly connected to the top of the transmission column 5, and two identical second bearings 10 are sleeved on the top end of the inner wall of the power box 3 from top;

detection mechanism includes support frame 11, roof 12, threaded rod 13, knob 14 and solid fixed cylinder 15, top one side rigid coupling of bottom plate 1 has support frame 11, roof 12 has been cup jointed to the outer wall of support frame 11, the one end threaded connection of roof 12 has threaded rod 13, the one end rigid coupling of threaded rod 13 has knob 14, is convenient for adjust the height of roof 12, the bottom rigid coupling of roof 12 has solid fixed cylinder 15, the even embedded pressure sensor 16 of installing a plurality of the same in the lateral wall bottom of solid fixed cylinder 15, the measuring pressure of being convenient for, it is a plurality of the inside of solid fixed cylinder 15 is all arranged in to pressure sensor 16's sense terminal, and is a plurality of the equal rigid coupling of sense terminal of pressure sensor 16 is at the outer wall of same driving ring 17, the transmission pressure of being convenient for, third bearing 18, the top of the fixed rotor of being convenient for has been cup.

The central axes of the output shaft of the motor 4, the transmission column 5, the rubber column 9, the second bearing 10 and the third bearing 18 in the vertical direction are all overlapped, so that a rotor is convenient to mount; a plurality of same rubber columns 9 are uniformly and fixedly connected to the inner wall of the transmission cylinder 8, so that the rotor is driven to rotate conveniently; the threaded rod 13 is lapped on the outer wall surface of the support frame 11 at one end far away from the knob 14, so that the threaded rod is convenient to fix; the diameters of the inner rings of the two second bearings 10 and the third bearing 18 are equal, so that the rotors can be fixed conveniently; the headstock 3 with the epaxial axis of a fixed section of thick bamboo 15 is located same straight line in vertical direction, the rational utilization space of being convenient for.

When the utility model is used, the electric elements appearing in the application are externally connected with a power supply and a control switch when in use, a plurality of pressure sensors 16 are connected with a microcomputer, the bottom end of a rotor to be detected is sleeved inside two second bearings 10 and inserted into the transmission cylinder 8, then a third bearing 18 is sleeved on the top end of the rotor, then a knob 14 is rotated, the position of a top plate 12 is fixed through a threaded rod 13, then a motor 4 is opened, the motor 4 drives the rotor to rotate through the transmission cylinder 8, at the moment, if the rotor has uniform quality, the centrifugal force is also uniform, then the pressure of the top end of the rotor to a transmission ring 17 through the third bearing 18 is also uniform, at the moment, the pressure sensed by the plurality of pressure sensors 16 is the same, otherwise, if the rotor has non-uniform quality, the centrifugal force suffered by the rotor is not uniform, the top end of the rotor can generate a certain centrifugal effect, the centrifugal effect is transmitted to the transmission ring 17 through the third bearing 18, and then the transmission ring 17 transmits the centrifugal effect to some pressure sensors 16 in a pressure mode, and the pressure detection values of the pressure sensors 16 at the symmetrical positions are small, so that the pressure values of the pressure sensors 16 are changed in a sine mode, and the specific value of the change is related to the mass and the rotating speed of the rotor.

The motor 4 is a 57 step motor model manufactured by the general electric company ltd, kanda, and its associated power supply and circuitry.

The pressure sensor 16 is a TJH-4B model produced by anhui sky light sensor limited and its related power supply and circuit.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A motor rotor detection mechanism is characterized in that: comprises a power supply mechanism and a detection mechanism;

the power supply mechanism comprises a bottom plate (1), a fixed block (2), a power box (3), a motor (4) and a transmission column (5), wherein the fixed block (2) is fixedly connected to the top of the bottom plate (1), the power box (3) is fixedly connected to the top of the fixed block (2), the motor (4) is fixedly connected to the inner portion of the power box (3), the transmission column (5) is fixedly connected to an output shaft of the motor (4), a fixed plate (6) is sleeved on the inner wall of the power box (3), the outer wall surface of the transmission column (5) is sleeved on the inner ring of a first bearing (7), the first bearing (7) is sleeved on the inner portion of the fixed plate (6), a transmission cylinder (8) is fixedly connected to the top of the transmission column (5), and two identical second bearings (10) are sleeved on the top end of the inner wall of the power box (3) from top to bottom;

the detection mechanism comprises a support frame (11), a top plate (12), a threaded rod (13), a knob (14) and a fixed cylinder (15), a supporting frame (11) is fixedly connected with one side of the top of the bottom plate (1), a top plate (12) is sleeved on the outer wall of the supporting frame (11), one end of the top plate (12) is connected with a threaded rod (13) in a threaded manner, one end of the threaded rod (13) is fixedly connected with a knob (14), a fixed cylinder (15) is fixedly connected to the bottom of the top plate (12), a plurality of same pressure sensors (16) are uniformly embedded in the bottom end of the side wall of the fixed cylinder (15), the detection ends of the pressure sensors (16) are all arranged in the fixed cylinder (15), and the detection ends of the pressure sensors (16) are fixedly connected with the outer wall of the same transmission ring (17), and a third bearing (18) is sleeved in the transmission ring (17).

2. The motor rotor detecting mechanism according to claim 1, wherein: the central axes of the output shaft of the motor (4), the transmission column (5), the rubber column (9), the second bearing (10) and the third bearing (18) in the vertical direction are all overlapped.

3. The motor rotor detecting mechanism according to claim 1, wherein: the inner wall of the transmission cylinder (8) is uniformly and fixedly connected with a plurality of same rubber columns (9).

4. The motor rotor detecting mechanism according to claim 1, wherein: the threaded rod (13) is overlapped on the outer wall surface of the support frame (11) at one end far away from the knob (14).

5. The motor rotor detecting mechanism according to claim 1, wherein: the diameters of the inner rings of the two second bearings (10) and the third bearing (18) are equal.

6. The motor rotor detecting mechanism according to claim 1, wherein: the power box (3) and the central axis of the fixed cylinder (15) in the vertical direction are located on the same straight line.