CN214506841U

CN214506841U - Motor rotor detects dynamic balance testing machine with centre gripping of being convenient for

Info

Publication number: CN214506841U
Application number: CN202120265130.3U
Authority: CN
Inventors: 欧阳雨潇
Original assignee: Jiangxi Qingong Technology Co ltd
Current assignee: Jiangxi Qingong Technology Co ltd
Priority date: 2021-01-31
Filing date: 2021-01-31
Publication date: 2021-10-26
Anticipated expiration: 2031-01-31

Abstract

The utility model discloses a motor rotor detects dynamic balance testing machine with centre gripping of being convenient for, including base and support, the upper end left side of base is provided with the support, and the front end surface of support is provided with dynamic balancing appearance, the upper end middle part of support is provided with drive arrangement, and drive arrangement's right-hand member is provided with the shaft connecting frame, the right-hand member of shaft connecting frame is connected with the main shaft, and the right-hand member of main shaft runs through there is the rotor, the support sets up in the right side of support, the bottom both sides of support are provided with the bolt, and the top middle part of support is provided with the bearing, the upper end both sides of support are provided with supports, and the rightmost side of support is provided with the accuse temperature box. This electric motor rotor detects is provided with the accuse temperature case with dynamic balance testing machine of centre gripping of being convenient for, and the user is manual to be drawn the accuse temperature case to the position that the rotor was located along the spout, and the accuse temperature case is effectual heats the position that the rotor was located, simulates the actual running state of motor to reduce the deviation that the rotor measurement produced.

Description

Motor rotor detects dynamic balance testing machine with centre gripping of being convenient for

Technical Field

The utility model relates to an electric motor rotor detects technical field, specifically is an electric motor rotor detects with dynamic balance testing machine of centre gripping of being convenient for.

Background

Nowadays, a motor consists of a rotor and a stator, which are used for realizing a conversion device of electric energy and mechanical energy and electric energy, a motor rotor is also a rotating part in the motor, a rotor dynamic balance test is a common method for measuring and correcting the unbalance of the motor rotor, and along with the continuous improvement of production and use requirements, people also put forward higher requirements on the rotor dynamic balance test.

The dynamic balance testing machine for detecting the motor rotor in the market is characterized in that a bearing is generally fixed and difficult to replace when in use, meanwhile, the bearing convenient to replace is easy to loosen to cause detection errors, dynamic balance tests are carried out when the rotor is in a cold state in the existing dynamic balance testing process of the rotor, and the rotor structure is in a hot state in the actual operation process of the motor, so that certain deviation is generated between the dynamic unbalance amount of the rotor and the dynamic unbalance amount corrected when the rotor is in the cold state due to thermal deformation caused by temperature rise in the actual operation process of the motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dynamic balance testing machine of centre gripping of being convenient for is detected to electric motor rotor, thereby electric motor rotor who provides in solving above-mentioned background art detects uses dynamic balance testing machine in use bearing and generally is fixed being difficult to change it, thereby the bearing of being convenient for to change simultaneously easily appears becoming flexible and causes detection error, and carry out dynamic balance test when the rotor is in the cold state among the current rotor dynamic balance testing process, and the actual operation in-process rotor structure of motor is the hot state, consequently, the problem of certain deviation is produced between the dynamic unbalance amount that rectifies when the heat altered shape that causes because the temperature risees in the motor actual operation process causes rotor dynamic unbalance amount and rotor cold state.

In order to achieve the above object, the utility model provides a following technical scheme: a dynamic balance testing machine convenient for clamping for motor rotor detection comprises a base and a support, wherein a support is arranged on the left side of the upper end of the base, a dynamic balancing instrument is arranged on the surface of the front end of the support, a driving device is arranged in the middle of the upper end of the support, a shaft connecting frame is arranged on the right end of the driving device, a main shaft is connected to the right end of the shaft connecting frame, a rotor penetrates through the right end of the main shaft, the support is arranged on the right side of the support, bolts are arranged on two sides of the bottom of the support, a bearing is arranged in the middle of the top of the support, a support frame is arranged on two sides of the upper end of the support, a temperature control box is arranged on the rightmost side of the support, a perspective window is arranged above the front end of the temperature control box, a pull handle is arranged below the middle of the perspective window, a placing groove is attached to the outer side of the bottom of the bearing, a convex plate is connected to the bottom of the support, and a limiting frame is arranged on two sides of the middle of the upper end of the base, and the left side of the limiting frame is provided with a sliding chute, the surface of the limiting frame is provided with limiting holes, and the outer side of the left end of the support frame is attached with a fastening ring.

Preferably, the driving device and the main shaft form a rotating structure through a shaft connecting frame, and the inner diameter of the bearing is matched with the outer diameter of the main shaft.

Preferably, the support passes through the standing groove and constitutes block structure with the bearing, and supports to be provided with two sets of on the surface of standing groove.

Preferably, the base and the limiting frame are of an integrated structure, and the outer wall of the convex plate is tightly attached to the inner wall of the limiting frame.

Preferably, the convex plate and the limiting frame form a thread structure through bolts, and three groups of limiting holes are arranged on the surface of each limiting frame.

Preferably, the base and the temperature control box form a sliding structure through the sliding groove, and the temperature control box is fixedly connected with the pull handle.

Compared with the prior art, the beneficial effects of the utility model are that: the dynamic balance testing machine convenient to clamp for motor rotor detection is provided with a support, the support and a bearing form a clamping structure through a placing groove, a user manually vertically puts a required bearing into the placing groove at the upper end of the support, a support frame is in threaded connection with the placing groove, the support frame is clockwise screwed until the front end of the support frame is supported on the surface of the bearing, so that the support frame is tightly supported on the bearing, the bearing is effectively clamped and fixed, the bearing shaking is reduced, meanwhile, the support frame can be disassembled and replaced by anticlockwise unscrewing the support frame by the user, the outer end of the support frame is limited by a fastening ring, and the support frame is prevented from slipping;

the base and the limiting frames are of an integrated structure, the lower ends of the supports are provided with the convex plates, the convex plates can slide in grooves formed between the limiting frames, so that the position between the supports can be conveniently adjusted, and therefore the rotors with different lengths can be adapted, the stability between the base and the limiting frames is improved due to the integrated structure between the base and the limiting frames, the outer wall of each convex plate is tightly attached to the inner wall of the corresponding limiting frame, the residual gap between the outer wall of each convex plate and the inner wall of the corresponding limiting frame is reduced, and the shaking is reduced;

the base passes through the spout and constitutes sliding structure with the accuse temperature case, and accuse temperature bottom of the case portion be provided with spout assorted slider, before carrying out dynamic balance and detecting, the user is manual to be drawn the accuse temperature case to the position that the rotor was located along the spout, and the effectual position that locates the rotor of accuse temperature case heats, the actual running state of simulation motor to reduce the deviation that the rotor measurement produced.

Drawings

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

FIG. 2 is a schematic side view of the bracket of the present invention;

FIG. 3 is a schematic side view of the base of the present invention;

FIG. 4 is a schematic top view of the base of the present invention;

fig. 5 is an enlarged structural schematic view of the support frame of the present invention.

In the figure: 1. a base; 2. a support; 3. a dynamic balancing instrument; 4. a drive device; 5. a shaft connecting frame; 6. a main shaft; 7. a bearing; 8. a support; 9. a bolt; 10. supporting the frame; 11. a rotor; 12. a temperature control box; 13. a perspective window; 14. pulling a handle; 15. a placement groove; 16. a convex plate; 17. a limiting frame; 18. a chute; 19. a limiting hole; 20. and (5) fastening the ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a dynamic balance testing machine convenient for clamping for motor rotor detection comprises a base 1, a support 2, a dynamic balancing instrument 3, a driving device 4, a shaft connecting frame 5, a main shaft 6, a bearing 7, a support 8, a bolt 9, a support frame 10, a rotor 11, a temperature control box 12, a perspective window 13, a pull handle 14, a placing groove 15, a convex plate 16, a limiting frame 17, a sliding groove 18, a limiting hole 19 and a fastening ring 20, wherein the left side of the upper end of the base 1 is provided with the support 2, the front end surface of the support 2 is provided with the dynamic balancing instrument 3, the middle part of the upper end of the support 2 is provided with the driving device 4, the right end of the driving device 4 is provided with the shaft connecting frame 5, the right end of the shaft connecting frame 5 is connected with the main shaft 6, the right end of the main shaft 6 penetrates through the rotor 11, the support 8 is arranged on the right side of the support 2, the two sides of the bottom of the support 8 are provided with the bolt 9, the middle part of the top end of the support 8 is provided with the bearing 7, the two sides of the upper end of the support 8 are provided with the support frame 10, a temperature control box 12 is arranged on the rightmost side of the support 8, a perspective window 13 is arranged above the front end of the temperature control box 12, a pull handle 14 is arranged below the middle of the perspective window 13, a placing groove 15 is attached to the outer side of the bottom end of the bearing 7, a convex plate 16 is connected to the bottom end of the support 8, limiting frames 17 are arranged on two sides of the middle of the upper end of the base 1, sliding grooves 18 are arranged on the left side of the limiting frames 17, limiting holes 19 are distributed in the surface of the limiting frames 17, and a fastening ring 20 is attached to the outer side of the left end of the support 10;

the driving device 4 and the main shaft 6 form a rotating structure through the shaft connecting frame 5, the inner diameter of the bearing 7 is matched with the outer diameter of the main shaft 6, the driving device 4 drives the main shaft 6 to rotate through the shaft connecting frame 5, so that the dynamic balance detection is carried out on the rotor 11 at the right end of the main shaft 6, and then the dynamic balance instrument 3 connected with the bearing 7 obtains specific data, so that a user can visually record the data;

the support 8 and the bearing 7 form a clamping structure through the placing groove 15, two groups of the support frame 10 are arranged on the surface of the placing groove 15, a user manually vertically puts a needed bearing 7 into the placing groove 15 at the upper end of the support 8, the support frame 10 is in threaded connection with the placing groove 15, the support frame 10 is screwed clockwise until the front end of the support frame is abutted to the surface of the bearing 7, so that the support frame 10 abuts against the bearing 7, the bearing 7 is effectively clamped and fixed, the shaking of the bearing 7 is reduced, meanwhile, the bearing 7 can be detached and replaced by unscrewing the support frame 10 anticlockwise, the outer end of the support frame 10 is limited by the fastening ring 20, and the support frame 10 is prevented from slipping;

the base 1 and the limiting frame 17 are of an integral structure, the outer wall of the convex plate 16 is tightly attached to the inner wall of the limiting frame 17, the convex plate 16 is arranged at the lower end of the support 8, the convex plate 16 can slide in a groove formed between the limiting frames 17, so that the position between the supports 8 can be conveniently adjusted, the rotors 11 with different lengths can be adapted, the stability between the base 1 and the limiting frames 17 is improved due to the integral structure, and the outer wall of the convex plate 16 is tightly attached to the inner wall of the limiting frame 17, so that the gap between the outer wall and the inner wall of the limiting frame 17 is reduced, and the shaking is reduced;

the convex plate 16 and the limiting frames 17 form a thread structure through the bolts 9, three groups of limiting holes 19 are formed in the surface of each limiting frame 17, when the supports 8 are adjusted to be in proper positions, a user penetrates the bolts 9 through the limiting holes 19 and the convex plates 16 and screws the bolts, and therefore the supports 8 are effectively fixed, and the multiple selectivity of the positions of the supports 8 is increased due to the arrangement of the three groups of limiting holes 19 in the surface of each limiting frame 17;

base 1 passes through spout 18 and accuse temperature box 12 and constitutes sliding construction, and accuse temperature box 12 with draw for fixed connection between the handle 14, accuse temperature box 12 bottom be provided with spout 18 assorted slider, before carrying out dynamic balance and detecting, the user is manual to be drawn accuse temperature box 12 to the position that rotor 11 is located along spout 18, accuse temperature box 12 is effectual heats rotor 11 position, the actual running state of simulation motor to reduce rotor 11 and measure the deviation that produces.

The working principle is as follows: for the dynamic balance testing machine convenient for clamping for motor rotor detection, firstly, a user manually puts a required bearing 7 into a placing groove 15 at the upper end of a support 8 vertically, a support frame 10 is in threaded connection with the placing groove 15, then the support frame 10 is screwed clockwise until the front end is pressed against the surface of the bearing 7, so that the support frame 10 is pressed against the bearing 7, the bearing 7 is clamped and fixed, meanwhile, the support frame 10 is unscrewed anticlockwise, so that the bearing 7 can be disassembled and replaced, a convex plate 16 is arranged at the lower end of the support 8, the convex plate 16 can slide in a groove formed between limiting frames 17, so that the position between the support frames 8 can be conveniently adjusted, the rotors 11 with different lengths are adapted, when the supports 8 are adjusted to proper positions, the user penetrates bolts 9 through limiting holes 19 and the convex plate 16 and screws up, so that the support frames 8 are fixed, the multi-selectivity of the positions of the support frames 8 is increased by the three sets of limiting holes 19 on the surface of each limiting frame 17, the bottom of temperature control box 12 is provided with the slider with 18 assorted chutes, before carrying out dynamic balance detection, the user manually pulls temperature control box 12 to the position of rotor 11 along chute 18, temperature control box 12 heats the position of rotor 11, the actual running state of simulation motor, thereby reduce the deviation that rotor 11 measured and produced, drive arrangement 4 drives main shaft 6 through link frame 5 and rotates, thereby carry out dynamic balance detection to rotor 11 of main shaft 6 right-hand member, again obtain concrete data by the dynamic balancing appearance 3 of connecting bearing 7.

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. The utility model provides a motor rotor detects dynamic balance testing machine with centre gripping of being convenient for, includes base (1) and support (8), its characterized in that: a support (2) is arranged on the left side of the upper end of the base (1), a dynamic balancing instrument (3) is arranged on the surface of the front end of the support (2), a driving device (4) is arranged in the middle of the upper end of the support (2), a shaft connecting frame (5) is arranged at the right end of the driving device (4), a main shaft (6) is connected to the right end of the shaft connecting frame (5), a rotor (11) penetrates through the right end of the main shaft (6), the support (8) is arranged on the right side of the support (2), bolts (9) are arranged on two sides of the bottom of the support (8), a bearing (7) is arranged in the middle of the top end of the support (8), a support frame (10) is arranged on two sides of the upper end of the support (8), a temperature control box (12) is arranged on the rightmost side of the support (8), a perspective window (13) is arranged above the front end of the temperature control box (12), and a pull handle (14) is arranged below the middle of the perspective window (13), the bearing support is characterized in that a placing groove (15) is attached to the outer side of the bottom end of the bearing (7), a convex plate (16) is connected to the bottom end of the support (8), limiting frames (17) are arranged on two sides of the middle of the upper end of the base (1), sliding grooves (18) are formed in the left sides of the limiting frames (17), limiting holes (19) are formed in the surface of each limiting frame (17), and fastening rings (20) are attached to the outer side of the left end of the support (10).

2. The dynamic balance testing machine convenient for clamping and used for motor rotor detection according to claim 1 is characterized in that: the driving device (4) and the main shaft (6) form a rotating structure through the connecting shaft frame (5), and the inner diameter of the bearing (7) is matched with the outer diameter of the main shaft (6).

3. The dynamic balance testing machine convenient for clamping and used for motor rotor detection according to claim 1 is characterized in that: the support (8) and the bearing (7) form a clamping structure through the placing groove (15), and two groups of the support supports (10) are arranged on the surface of the placing groove (15).

4. The dynamic balance testing machine convenient for clamping and used for motor rotor detection according to claim 1 is characterized in that: the base (1) and the limiting frame (17) are of an integral structure, and the outer wall of the convex plate (16) is tightly attached to the inner wall of the limiting frame (17).

5. The dynamic balance testing machine convenient for clamping and used for motor rotor detection according to claim 1 is characterized in that: the convex plate (16) and the limiting frames (17) form a thread structure through bolts (9), and three groups of surface limiting holes (19) of each limiting frame (17) are arranged.

6. The dynamic balance testing machine convenient for clamping and used for motor rotor detection according to claim 1 is characterized in that: the base (1) and the temperature control box (12) form a sliding structure through the sliding groove (18), and the temperature control box (12) is fixedly connected with the pull handle (14).