CN114136542A

CN114136542A - Rotor balance testing device

Info

Publication number: CN114136542A
Application number: CN202111626594.3A
Authority: CN
Inventors: 任荣容; 任成海; 邓逸民
Original assignee: Shangli Machinery Co ltd
Current assignee: Shangli Machinery Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-03-04
Anticipated expiration: 2041-12-28
Also published as: CN114136542B

Abstract

The invention discloses a rotor balance testing device which comprises a rotor, wherein the rotor is placed in a box, a testing device is arranged below the rotor, the testing device comprises pulleys, vertical rods, springs, transverse plates, vertical nails and rubber pads, and the top ends of the pulleys are attached to the bottom end of the rotor. Compared with the prior art, the rotor balance testing device has the following advantages: through the rotor, the cooperation between case and the testing arrangement, when the rotor rotates and takes place the skew, can give three pulley power downwards, the pulley drives the montant and moves downwards in spring and diaphragm, make the spring top compress on the diaphragm, three montant drives respectively and erects the nail and move to rubber pad one side, prick out the hole on the rubber pad, then be unqualified rotor, otherwise the rubber pad surface does not have the hole, then the rotor is qualified, satisfy the test needs, current rotor balance testing arrangement has been solved, when using, the detection effect is poor, can not satisfy the problem of user demand.

Description

Rotor balance testing device

Technical Field

The invention relates to the technical field of rotors, in particular to a rotor balance testing device.

Background

The rotor refers to a rotating body supported by a bearing, an optical disc and other objects without a rotating shaft, and when the rotating body is rigidly connected or an additional shaft is adopted, the rotating body can be regarded as a rotor, the working rotating speed of any type of rotor cannot be close to the critical rotating speed, and the critical rotating speed of the rotor depends on factors such as manufacturing materials, structural forms, geometric dimensions, bearing characteristics and the like.

However, the existing rotor balance testing device has the problems that the detection effect is poor and the use requirement cannot be met when in use; the existing rotor balance testing device is inconvenient to replace a rotor in time and has low detection efficiency; the existing rotor balance testing device cannot be sealed after being used, and impurities are easy to enter; meanwhile, the existing rotor balance testing device is inconvenient to carry and influences use.

Content providing method and apparatus

The invention aims to provide a rotor balance testing device, which solves the problems that the existing rotor balance testing device proposed in the background art is poor in detection effect and cannot meet the use requirement when in use.

In order to achieve the purpose, the invention provides the following technical scheme: a rotor balance testing device comprises a rotor, wherein the rotor is placed in a box, and a testing device is installed below the rotor;

the testing device comprises a pulley, a vertical rod, a spring, a transverse plate, a vertical nail and a rubber pad;

it is a plurality of the top of pulley all laminates with the bottom of rotor mutually, the equal rigid coupling in bottom of pulley has the montant, the outer wall of montant all with the inner wall clearance fit of spring and diaphragm, the outside rigid coupling of diaphragm is at the inner wall of case, the outside of spring rigid coupling respectively has pulley and diaphragm, the equal rigid coupling in bottom of montant has perpendicular nail, the below of erecting the nail respectively with the top clearance fit of rubber pad, the bottom laminating of rubber pad is at the below inner wall of case. And the test requirements are met.

Preferably, one end of the rotor is fixedly connected with a rotating part, and the outer side of the other end of the rotor is fixedly connected with a clamping block. The rotor rotates within the rotating member.

Preferably, a rotating device is installed on the outer side of the clamping block;

the rotating device comprises a motor, a driving gear, a driven gear, a rotating sleeve, a clamping groove, a rubber sleeve and a shell;

the outer wall rigid coupling of motor is at one side inner wall of case, the output shaft rigid coupling of motor has the driving gear, the driving gear links to each other with the driven gear meshing, driven gear's inner wall rigid coupling has the commentaries on classics cover, it rotates with the case through the bearing to change the cover and links to each other, the draw-in groove has been seted up to the inner wall of commentaries on classics cover, the internal surface of draw-in groove is laminated with the outer wall of fixture block mutually, the one side of changeing the cover is provided with the rubber sleeve, the inner wall of rubber sleeve closely laminates with the outer wall of rotating member, the outer wall rigid coupling of rubber sleeve is at the inner wall of casing, the one end rigid coupling of casing is at the inner wall of case. The testing efficiency is improved.

Preferably, a sealing device is arranged above the box;

the sealing device comprises a rubber ring, a cover and a pull ring;

the outer wall rigid coupling of rubber circle is inner wall in the middle of the top of case, the inner wall of rubber circle has closely laminated the lid, the rigid coupling has the pull ring in the middle of the top of lid. Avoiding impurities from entering the box.

Preferably, a portable device is installed on the outer side of the case;

the portable device comprises a vertical block, a pull rod and a handle;

the inner sides of the vertical blocks are fixedly connected to the outer wall of the box respectively, pull rods are fixedly connected to the inner sides of the vertical blocks, and handles are fixedly connected to the outer walls of the pull rods. And ensuring the normal test of the rotor.

Compared with the prior art, the invention has the beneficial effects that: compared with the prior art, the rotor balance testing device has the following advantages:

through the cooperation among the rotor, the box and the testing device, when the rotor rotates and deviates, downward force is applied to the three pulleys, the pulleys drive the vertical rods to move downwards in the spring and the transverse plate, so that the spring is pressed against the transverse plate, the three vertical rods respectively drive the vertical nails to move towards one side of the rubber pad, small holes are punched in the rubber pad, the rotor is unqualified, otherwise, the rotor is qualified and meets the testing requirement, and the problem that the existing rotor balance testing device is poor in detection effect and cannot meet the using requirement when the existing rotor balance testing device is used is solved;

through the matching among the rotor, the rotating part, the fixture block and the rotating device, when the rotor drives the rotating part to move to the left side in the rubber sleeve on the shell, the fixture block on the rotor leaves the clamping groove at the moment, the tested rotor is convenient to replace in time, a new rotor is installed, the testing efficiency is improved, and the problems that the existing rotor balance testing device is inconvenient to replace the rotor in time and the testing efficiency is low are solved;

through the matching between the box and the sealing device, the movable pull ring drives the cover to move downwards to be plugged into the rubber ring, so that the box is sealed, impurities are prevented from entering the box, and the problems that the existing rotor balance testing device cannot be sealed after being used and impurities are easy to enter are solved;

through the cooperation between case and the portable equipment, hold the handle of both sides, mention the pull rod, be convenient for drive the case through the founding piece of both sides and remove and transport the assigned position, guarantee the normal test of rotor, solved current rotor balance testing arrangement, portable not convenient to have influenced the problem of use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of the rotor, pulley and vertical rod of FIG. 2;

FIG. 4 is a schematic structural view of the rotary member, the rubber sleeve and the housing of FIG. 2;

FIG. 5 is a schematic view of the motor, the rotary gear and the driven gear of FIG. 2;

fig. 6 is a schematic view of the lid, rubber ring and case of fig. 1.

In the figure: 1. the device comprises a rotor, 2, a rotating piece, 3, a fixture block, 4, a testing device, 401, a pulley, 402, a vertical rod, 403, a spring, 404, a horizontal plate, 405, a vertical nail, 406, a rubber pad, 5, a rotating device, 501, a motor, 502, a driving gear, 503, a driven gear, 504, a rotating sleeve, 505, a clamping groove, 506, a rubber sleeve, 507, a shell, 6, a sealing device, 601, a rubber ring, 602, a cover, 603, a pull ring, 7, a box, 8, a portable device, 801, a vertical block, 802, a pull rod, 803 and a handle.

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, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a rotor balance testing device comprises a rotor 1, the rotor 1 is placed in a box 7, a testing device 4 is installed below the rotor 1, the testing device 4 comprises pulleys 401, vertical rods 402, springs 403, transverse plates 404, vertical nails 405 and rubber pads 406, the top ends of the three pulleys 401 are attached to the bottom end of the rotor 1, the rotor 1 rotates and gives downward force to the three pulleys 401 when the rotor 1 rotates and deflects, the vertical rods 402 are fixedly connected to the bottom end of the pulleys 401, the outer walls of the vertical rods 402 are in clearance fit with the inner walls of the springs 403 and the transverse plates 404, the outer side of the transverse plates 404 is fixedly connected to the inner wall of the box 7, the pulleys 401 and the transverse plates 404 are fixedly connected to the outer side of the springs 403, the pulleys 401 drive the vertical rods 402 to move downwards in the springs 403 and the transverse plates 404, the springs 403 are compressed against the transverse plates 404, the bottom ends of the vertical rods 402 are fixedly connected with the vertical nails 405, the lower portions of the vertical nails 405 are in clearance fit with the upper portions of the rubber pads 406 respectively, the three vertical rods 402 respectively drive the vertical nails 405 to move towards one side of the rubber pad 406, a small hole is punched in the rubber pad 406, the rotor 1 is unqualified, otherwise, no small hole is formed in the surface of the rubber pad 406, the rotor 1 is qualified, and the bottom end of the rubber pad 406 is attached to the lower inner wall of the box 7.

One end rigid coupling of rotor 1 has rotating member 2, and rotor 1 rotates in rotating member 2, and rotating member 2 is the bearing, and the other end outside rigid coupling of rotor 1 has fixture block 3.

A rotating device 5 is arranged on the outer side of the fixture block 3, the rotating device 5 comprises a motor 501, a driving gear 502, a driven gear 503, a rotating sleeve 504, a clamping groove 505, a rubber sleeve 506 and a shell 507, the outer wall of the motor 501 is fixedly connected to the inner wall of one side of the box 7, the output shaft of the motor 501 is fixedly connected with the driving gear 502, the driving gear 502 is meshed with the driven gear 503, the inner wall of the driven gear 503 is fixedly connected with the rotating sleeve 504, the rotating sleeve 504 is rotatably connected with the box 7 through a bearing, the output shaft of the motor 501 drives the driving gear 502 to rotate, the driven gear 503 drives the rotating sleeve 504 to rotate in the box 7 through the bearing through the meshing force between the driving gear 502 and the driven gear 503, the inner wall of the rotating sleeve 504 is provided with the clamping groove 505, the inner surface of the clamping groove 505 is attached to the outer wall of the fixture block 3, one side of the rotating sleeve 504 is provided with the rubber sleeve 506, the inner wall of the rubber sleeve 506 is closely attached to the outer wall of the rotating member 2, rubber sleeve 506 increases the frictional force between rotating member 2 and the casing 507, prevent that rotating member 2 from droing, the outer wall rigid coupling of rubber sleeve 506 is at the inner wall of casing 507, the one end rigid coupling of casing 507 is at the inner wall of case 7, fixture block 3 on the rotor 1 stretches into in the draw-in groove 505 on the commentaries on classics cover 504, then change cover 504 and drive rotor 1 and pass through the rotation of rotating member 2 in the rubber sleeve 506 on casing 507, when rotor 1 drives rotating member 2 and moves to the left side in the rubber sleeve 506 on casing 507, fixture block 3 on the rotor 1 leaves draw-in groove 505 this moment, be convenient for in time more change the rotor 1 who has tested.

Sealing device 6 is installed to the top of case 7, and sealing device 6 includes rubber circle 601, lid 602 and pull ring 603, and the inner wall in the middle of the top of box 7 is connected to the outer wall rigid coupling of rubber circle 601, and the inner wall of rubber circle 601 closely laminates lid 602, and the rigid coupling has pull ring 603 in the middle of the top of lid 602, and removal pull ring 603 drives lid 602 and moves down and fills in rubber circle 601, makes box 7 sealed.

The portable device 8 is installed on the outer side of the case 7, the portable device 8 comprises upright blocks 801, pull rods 802 and grips 803, the inner sides of the two upright blocks 801 are fixedly connected to the outer wall of the case 7 respectively, the inner sides of the upright blocks 801 are fixedly connected with the pull rods 802, the outer walls of the pull rods 802 are fixedly connected with the grips 803, the grips 803 on the two sides are held, the pull rods 802 are lifted, and the upright blocks 801 on the two sides are convenient to drive the case 7 to move and transport.

When the rotor balance testing device is used, firstly, the pull ring 603 is manually moved to drive the cover 602 to move downwards to be plugged into the rubber ring 601, so that the box 7 is sealed, impurities are prevented from entering the box 7, the handles 803 at two sides are held, the pull rod 802 is lifted, the box 7 is conveniently driven to move and transport to a specified position through the upright blocks 801 at two sides, the cover 602 is removed, the rotor 1 is placed into the box 7, the optional part 2 extends into the shell 507, the rotor 1 is moved towards the right side, the fixture block 3 extends into the clamping groove 505, an external power supply of the motor 501 is switched on, the motor 501 works, an output shaft of the motor 501 drives the driving gear 502 to rotate, the driven gear 503 drives the rotating sleeve 504 to rotate in the box 7 through a bearing through a meshing force between the driving gear 502 and the driven gear 503, the rotating sleeve 504 drives the rotor 1 to rotate in the rubber sleeve 506 on the shell 507 through the rotating part 2, when the rotor 1 rotates to generate deviation, will give three pulley 401 power downwards, pulley 401 drives montant 402 and moves downwards in spring 403 and diaphragm 404, make spring 403 top compress on diaphragm 404, three montant 402 drives vertical nail 405 respectively and moves to rubber pad 406 one side, prick out the hole on rubber pad 406, then be unqualified rotor 1, otherwise the rubber pad 406 surface does not have the hole, then rotor 1 is qualified, when rotor 1 drives the rubber sleeve 506 of rotating member 2 on casing 507 in to the left side removal, fixture block 3 on rotor 1 left side is left the draw-in groove 505 this moment, be convenient for in time more change the rotor 1 who has tested.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, and may be connected through the inside of two elements or the interaction relationship between two elements, and unless otherwise specifically defined, the specific meaning of the above terms in the present invention will be understood by those skilled in the art of the present invention according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rotor balance testing device, comprising a rotor (1), characterized in that: the rotor (1) is placed in a box (7), and a testing device (4) is installed below the rotor (1);

the testing device (4) comprises a pulley (401), a vertical rod (402), a spring (403), a horizontal plate (404), a vertical nail (405) and a rubber pad (406);

a plurality of the top of pulley (401) all laminates with the bottom of rotor (1), the equal rigid coupling in bottom of pulley (401) has montant (402), the outer wall of montant (402) all with the inner wall clearance fit of spring (403) and diaphragm (404), the outside rigid coupling of diaphragm (404) is at the inner wall of case (7), the outside rigid coupling respectively of spring (403) has pulley (401) and diaphragm (404), the equal rigid coupling in bottom of montant (402) has perpendicular nail (405), the below of perpendicular nail (405) respectively with the top clearance fit of rubber pad (406), the bottom laminating of rubber pad (406) is at the below inner wall of case (7).

2. A rotor balance testing device according to claim 1, wherein: one end rigid coupling of rotor (1) has rotating member (2), the other end outside rigid coupling of rotor (1) has fixture block (3).

3. A rotor balance testing device according to claim 2, wherein: a rotating device (5) is arranged on the outer side of the clamping block (3);

the rotating device (5) comprises a motor (501), a driving gear (502), a driven gear (503), a rotating sleeve (504), a clamping groove (505), a rubber sleeve (506) and a shell (507);

the outer wall rigid coupling of motor (501) is at one side inner wall of case (7), the output shaft rigid coupling of motor (501) has driving gear (502), driving gear (502) link to each other with driven gear (503) meshing, the inner wall rigid coupling of driven gear (503) has commentaries on classics cover (504), it links to each other to change cover (504) to rotate with case (7) through the bearing, draw-in groove (505) have been seted up to the inner wall of commentaries on classics cover (504), the internal surface of draw-in groove (505) is laminated with the outer wall of fixture block (3) mutually, the one side of changeing cover (504) is provided with rubber sleeve (506), the inner wall of rubber sleeve (506) closely laminates with the outer wall of rotating member (2), the outer wall rigid coupling of rubber sleeve (506) is at the inner wall of casing (507), the one end rigid coupling of casing (507) is at the inner wall of case (7).

4. A rotor balance testing device according to claim 1, wherein: a sealing device (6) is arranged above the box (7);

the sealing device (6) comprises a rubber ring (601), a cover (602) and a pull ring (603);

the outer wall rigid coupling of rubber circle (601) is inner wall in the middle of the top of case (7), the inner wall of rubber circle (601) closely laminates lid (602), the rigid coupling has pull ring (603) in the middle of the top of lid (602).

5. A rotor balance testing device according to claim 1, wherein: a portable device (8) is arranged on the outer side of the box (7);

the portable device (8) comprises a stand block (801), a pull rod (802) and a grip (803);

a plurality of the inboard of founding piece (801) is the rigid coupling respectively at the outer wall of case (7), the inboard of founding piece (801) all rigid coupling has pull rod (802), the outer wall of pull rod (802) all rigid coupling has handle (803).