CN210741750U

CN210741750U - Motor pre-positioning balance testing device

Info

Publication number: CN210741750U
Application number: CN201921989047.XU
Authority: CN
Inventors: 姚超; 陶峰; 谭海军; 俞晨凯
Original assignee: Jiangsu Jiuzhi Electric Co Ltd
Current assignee: Jiangsu Jiuzhi Electric Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-06-12
Anticipated expiration: 2029-11-18

Abstract

The utility model provides a motor pre-positioning balance testing device, which relates to the field of motor testing equipment and comprises a base, two groups of bilateral symmetry supporting components, a driving mechanism, a pre-positioning component and an induction mechanism, wherein the space of the two groups of supporting components is adjusted according to the length of a rotor, a belt sleeve is sleeved on the rotor, the end part of a central shaft of a motor is clamped on a lower turntable, a locking plate is rotated, the other end of the locking plate is locked on a frame body, and the lower turntable and an upper turntable are matched to limit the two ends of the central shaft; because the center shaft of the positioning component is just opposite to the middle part of the rotating shaft of the driving motor, a worker can sleeve the belt at a corresponding position according to the indication of the pre-positioning assembly, so that the driving mechanism can stably drive the rotor to rotate, the test error caused by belt deviation is effectively reduced, and the dynamic balance test efficiency of the rotor is improved.

Description

Motor pre-positioning balance testing device

Technical Field

The utility model relates to a motor test equipment field especially relates to a motor prepositioning balance testing arrangement.

Background

The rotor is an important component of the motor, and vibration caused by unbalance of the rotor often causes motor vibration, noise and mechanism damage.

Due to the factors of uneven materials or blank defects, errors generated in processing and assembly, asymmetric geometric shapes in design and the like, when the revolving body rotates, centrifugal inertia force generated by each tiny mass point on the revolving body cannot be mutually counteracted, the centrifugal inertia force acts on machinery and other mechanisms through a bearing to cause vibration, noise is generated, bearing abrasion is accelerated, the service life of the machinery is shortened, and destructive accidents can be caused seriously.

The patent with the patent publication number of CN205808623U and the patent name of a dynamic balance testing device discloses a dynamic balance testing device, which comprises a test bed, a left supporting mechanism and a right supporting mechanism, wherein a middle power disc is arranged between the left supporting mechanism and the right supporting mechanism, and the left supporting mechanism and the right supporting mechanism have the same structure; the left support mechanism comprises a left base, a left lower support body and a left upper support rod, the left lower support body and the left upper support rod are arranged on the left base, a left lower support wheel is arranged on the left lower support body, and a left upper support wheel is arranged on the left upper support rod; the middle power disc is provided with a motor and a belt pulley mechanism; the left support mechanism is provided with a left piezoelectric sensing device, and the right support mechanism is provided with a right piezoelectric sensing device. The utility model provides a pair of dynamic balance testing arrangement, the slot regulation can be followed to the fixed point of left side supporting mechanism, right supporting mechanism and middle power dish, adapts to the axle type rotor dynamic balance test of different length, and the supporting wheel is adjusted from top to bottom in addition does, adapts to the axle type rotor dynamic balance test of different footpaths, and the commonality is strong.

However, in the actual testing process, the motors are various in types, the diameters of the rotors are also various, and when the diameters of the rotors are large, workers sleeve the belts on the rotors, but the belts are deviated, so that large errors exist in the testing process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a motor prepositioning balance testing arrangement, precision is established to the cover that this testing arrangement can effectively improve the belt, and then improves the efficiency of software testing of rotor.

The utility model discloses a realize through following technical scheme: the utility model provides a motor prepositioning balance test device, the on-line screen storage device comprises a base, two sets of bilateral symmetry's supporting component, actuating mechanism, prepositioning subassembly and response mechanism, supporting component lower part and base sliding connection, supporting component includes the support body, with support body upside middle part rotate the lower carousel of being connected and with support body one side articulated lockplate, the middle part of lockplate is equipped with the carousel, the both ends of carousel cooperation locking center pin down and last carousel, actuating mechanism is located supporting component's inboard, actuating mechanism drive rotor rotates, prepositioning subassembly includes the cantilever of being connected and fixes the locating part on the cantilever with supporting component rotation, the center pin of locating part is just to the middle part of driving motor's pivot, and perpendicular with the central line of pivot.

Before testing, adjusting the space of the two groups of supporting components according to the length of the rotor, sleeving a belt on the rotor, clamping the end part of a central shaft of a motor on the lower rotary table, rotating the locking plate, locking the other end of the locking plate on the frame body, and limiting the two ends of the central shaft by matching the lower rotary table and the upper rotary table; because the center shaft of the positioning component is just opposite to the middle part of the rotating shaft of the driving motor, a worker can sleeve the belt at a corresponding position according to the indication of the pre-positioning assembly, so that the driving mechanism can stably drive the rotor to rotate, the test error caused by belt deviation is effectively reduced, and the dynamic balance test efficiency of the rotor is improved.

According to above-mentioned technical scheme, preferably, positioning element is the laser lamp, and the laser lamp transmission beam is on the rotor, then the position that the staff can confirm and recheck the belt cover and establish according to the instruction of light beam, and easy operation is convenient.

According to the technical scheme, preferably, the rotating center line of the pre-positioning assembly is parallel to the center line of the central shaft, and a worker can rotate the pre-positioning assembly as required, so that the test precision is further improved.

According to the technical scheme, preferably, the driving mechanism comprises a driving motor, a baffle, a belt and a plurality of groups of guide wheels, the guide wheels are rotatably connected with the baffle, the lower end of the baffle is fixedly connected with the frame body, the belt sequentially bypasses the driving motor, the plurality of groups of guide wheels and the rotor and forms a closed ring shape, and the driving motor drives the belt to rotate so as to drive the rotor to rotate.

According to the technical scheme, preferably, a plurality of groups of parallel horizontal sliding rails are arranged on the base, a plurality of groups of pulleys connected with the horizontal sliding rails in a sliding manner are arranged at the lower part of the supporting component, a limiting hole is arranged on the base, a plurality of groups of through holes matched with the limiting hole are arranged at the lower part of the supporting component, a positioning pin matched with the limiting hole is arranged in the through hole, and the pulleys are matched with the horizontal sliding rails, so that a worker can move the supporting component conveniently; after the supporting component is moved in place, the supporting component can be quickly locked on the base through the matching of the positioning pin and the limiting hole.

The utility model has the advantages that: adjusting the space of the two groups of supporting components according to the length of the rotor, sleeving a belt on the rotor, clamping the end part of a central shaft of the motor on the lower rotary table, rotating the locking plate, and locking the other end of the locking plate on the frame body, wherein the lower rotary table and the upper rotary table are matched to limit two ends of the central shaft; because the center shaft of the positioning component is just opposite to the middle part of the rotating shaft of the driving motor, a worker can sleeve the belt at a corresponding position according to the indication of the pre-positioning assembly, so that the driving mechanism can stably drive the rotor to rotate, the test error caused by belt deviation is effectively reduced, and the dynamic balance test efficiency of the rotor is improved.

Drawings

Fig. 1 shows a schematic structural diagram according to an embodiment of the present invention.

Fig. 2 shows a schematic structural view of a support assembly in an embodiment according to the present invention.

In the figure: 1. a base; 2. a support assembly; 3. a pre-positioning assembly; 4. a frame body; 5. a lower turntable; 6. a locking plate; 7. an upper turntable; 8. a rotor; 9. a central shaft; 10. a drive motor; 11. a baffle plate; 12. a belt; 13. a guide wheel; 14. a cantilever; 15. a positioning member; 16. a horizontal slide rail; 17. and a positioning pin.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in the figures, the utility model provides a motor pre-positioning balance testing device, including base 1, two sets of bilateral symmetry's supporting component 2, actuating mechanism, pre-positioning component 3 and induction mechanism, induction mechanism belongs to the subassembly that rotor dynamic balance test equipment extensively used, base 1 can lock on ground through bolt or welding, supporting component 2 lower part and base 1 slide regulation are connected, supporting component 2 includes support body 4, lower carousel 5 and the lockplate 6 of articulated with support body 4 side with the middle part of the upside of support body 4 rotation connection, the middle part of lockplate 6 is equipped with the last carousel 7 of being connected with the lockplate rotation, lower carousel 5 and last carousel 7 cooperate the both ends of locking center pin 9, actuating mechanism is located the inboard of supporting component 2, actuating mechanism includes driving motor 10, baffle 11, belt 12 and multiunit leading wheel 13, leading wheel 13 rotates with baffle 11 to be connected, 11 lower extremes of baffle and support body fixed connection, driving motor 10 is walked around in proper order to belt 12, the outside of multiunit leading wheel 13 and rotor 8, and form confined annular, driving motor 10 drive belt 12 rotates, and then belt 12 drives rotor 8 and rotates, pre-positioning component 3 includes and rotates cantilever 14 of being connected and fix locating part 15 on cantilever 14 with supporting component 2, locating part 15 can be the laser lamp, the light that the laser lamp jetted out is perpendicular with the center of driving motor 10's pivot, the position that the staff can be established with recheck belt 12 cover fast according to the light beam of laser lamp transmission, the site work personnel of being convenient for operate.

The working process is as follows: before the rotor is hoisted to the testing device, a central shaft 9 is inserted into the center of the rotor 8 in advance, and the central shaft 9 is locked in the rotor 8 through an adaptive key, so that the rotor 8 and the central shaft 9 rotate synchronously; adjusting the distance between the two groups of supporting components 2 according to the lengths of the rotor 8 and the central shaft 9, and locking the supporting components 2 on the base 1; the rotor 8 and the central shaft 9 are integrally placed on the testing device, the belt 12 is sleeved on the rotor 8, two ends of the central shaft 9 are clamped in the middle of the two groups of lower turntables 5, the two groups of lower turntables 5 support the central shaft, the locking plate 6 is rotated, the locking plate 6 rotates around a position hinged with the frame body 4, the other end of the locking plate 6 is locked on the frame body 4 and can be locked through a pin shaft and the like, and the lower turntables 5 and the upper turntables 7 are matched with each other to clamp the central shaft 9; the cantilever 14 is adjusted, and the central shaft 9 of the positioning component 15 is just opposite to the middle part of the rotating shaft of the driving motor 10, so that a worker can sleeve the belt 12 at a corresponding position according to the indication of the pre-positioning component, so that the driving mechanism can stably drive the rotor 8 to rotate, and the test error caused by the deviation of the belt 12 is effectively reduced.

Furthermore, a plurality of groups of parallel horizontal sliding rails 16 are arranged on the base 1, a plurality of groups of pulleys connected with the horizontal sliding rails 16 in a sliding manner are arranged at the lower part of the supporting component 2, a limiting hole is arranged on the base 1, a plurality of groups of through holes matched with the limiting hole are arranged at the lower part of the supporting component 2, a positioning pin 17 matched with the limiting hole is arranged in the through hole, and the pulleys are matched with the horizontal sliding rails 16, so that a worker can move the supporting component 2 conveniently; after the supporting component 2 is moved in place, the supporting component 2 can be quickly locked on the base 1 through the matching of the positioning pin 17 and the limiting hole.

The utility model has the advantages that: adjusting the space of the two groups of supporting components 2 according to the length of the rotor 8, sleeving a belt 12 on the rotor 8, clamping the end part of a central shaft 9 of the motor on the two groups of lower turntables 5, rotating the locking plate 6, locking the other end of the locking plate 6 on the frame body 4, and locking the two ends of the central shaft 9 by matching the lower turntables 5 and the upper turntables 7; because the central shaft 9 of the positioning component 15 is over against the middle part of the rotating shaft of the driving motor 10, a worker can sleeve the belt 12 at a corresponding position according to the indication of the positioning component, so that the driving mechanism can stably drive the rotor 8 to rotate, the test error caused by the deviation of the belt 12 is effectively reduced, and the test efficiency is further improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a motor prepositioning balance test device, its characterized in that, supporting component, actuating mechanism, prepositioning subassembly and response mechanism including base, two sets of bilateral symmetry, supporting component lower part and base sliding connection, supporting component include the support body, with support body upside middle part rotate the lower carousel of being connected and with support body one side articulated lockplate, the middle part of lockplate is equipped with the carousel, the carousel locks the both ends of center pin with last carousel cooperation down, actuating mechanism is located supporting component's inboard, actuating mechanism drive rotor rotates, prepositioning subassembly includes rotates the cantilever of being connected and fixes the locating part on the cantilever with the supporting component, the center pin of locating part is just to the middle part of actuating motor's pivot to it is perpendicular with the central line of pivot.

2. The motor pre-positioning balance testing device of claim 1, wherein the positioning member is a laser light.

3. The motor pre-positioning balance testing device according to claim 2, wherein a center line of rotation of the pre-positioning assembly is parallel to a center line of the central shaft.

4. The motor prepositioning balance testing device according to claim 3, wherein the driving mechanism comprises a driving motor, a baffle, a belt and a plurality of groups of guide wheels, the guide wheels are rotatably connected with the baffle, the lower end of the baffle is fixedly connected with the frame body, the belt sequentially bypasses the driving motor, the plurality of groups of guide wheels and the rotor to form a closed ring shape, and the driving motor drives the belt to rotate.

5. The motor pre-positioning balance testing device according to claim 4, wherein a plurality of sets of parallel horizontal sliding rails are arranged on the base, a plurality of sets of pulleys connected with the horizontal sliding rails in a sliding manner are arranged on the lower portion of the supporting assembly, a limiting hole is formed in the base, a plurality of sets of through holes matched with the limiting hole are arranged on the lower portion of the supporting assembly, and a positioning pin matched with the limiting hole is arranged in the through hole.