CN210985885U

CN210985885U - Motor rotor gear disassembling tool

Info

Publication number: CN210985885U
Application number: CN201922501164.3U
Authority: CN
Inventors: 陈玉胜; 罗文有; 陆明炬; 邓海波; 郭奕锐; 吴伟彪
Original assignee: GUANGDONG TOPKEY POWER TECHNICAL DEVELOPMENT CO LTD
Current assignee: GUANGDONG TOPKEY POWER TECHNICAL DEVELOPMENT CO LTD
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-10
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a extracting tool technical field discloses a motor rotor gear extracting tool, and the gear setting is equipped with the bearing between gear and the rotor on the rotor shaft, including outer support frame, inner supporting frame and jack, the one end of outer support frame is cup jointed on the rotor shaft and is supported and support and lean on the surface of bearing, the one end of inner supporting frame is passed the other end of outer support frame supports and leans on the internal surface of gear, the jack sets up the inside of inner supporting frame, and support and lean on the other end of outer support frame with between the other end of inner supporting frame. The utility model has the advantages that the outer support frame is arranged as a stress point, the inner support frame passes through the outer support frame and is abutted against the inner surface of the gear, and the jack is arranged between the inner support frame and the outer support frame as a power source, so that the bearing surface is uniformly stressed; and because the jack can guarantee sufficient pulling force, thereby conveniently pull out the bearing, guaranteed going on smoothly of overhauing.

Description

Motor rotor gear disassembling tool

Technical Field

The utility model relates to a extracting tool technical field especially relates to an electric motor rotor gear extracting tool.

Background

Some desulfurization absorption tower agitator motor rotor is gear structure to the wheel, and the gear outer end is the design of full package formula, endotheca interference fit, and the axle head does not have the stress point, and gear and end cover clearance are too little simultaneously, can not put down large-scale puller, so can't utilize traditional puller to overhaul the gear dismantlement. In addition, the special material of the gear cannot be used in the thermal expansion method (for example, the material of the gear is annealed and softened by heating). And adopt the special frock of traditional U-shaped cardboard cooperation jackscrew, again because the fastening process of four jackscrews can not go on simultaneously, make the atress uneven, the jacking force is also not enough simultaneously and leads to unable gear of pulling out, has brought great difficulty for the maintenance.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an electric motor rotor gear extracting tool conveniently dismantles the gear, guarantees going on smoothly of overhauing, improves work efficiency.

The utility model provides a technical scheme that its technical problem adopted is:

a motor rotor gear disassembling tool is characterized in that a gear is arranged on a rotor shaft, a bearing is arranged between the gear and a rotor, the motor rotor gear disassembling tool comprises an outer support frame, an inner support frame and a jack, one end of the outer support frame is sleeved on the rotor shaft and abutted against the outer surface of the bearing, one end of the inner support frame penetrates through the other end of the outer support frame and abutted against the inner surface of the gear, and the jack is arranged inside the inner support frame and abutted between the other end of the outer support frame and the other end of the inner support frame.

Preferably, the outer support frame comprises an outer flange and an inner flange for abutting against the bearing, and a plurality of connecting rods are fixedly connected between the inner flange and the outer flange.

Preferably, the number of the connecting rods is four, and the four connecting rods are annularly and uniformly distributed between the inner flange and the outer flange.

Preferably, the inner support frame comprises a flange blocking plate and a stress disc which is detachably spliced, the stress disc abuts against the gear, and a plurality of screws are connected between the flange blocking plate and the stress disc.

Preferably, the stress disc comprises two stress disc bodies which are attached to each other, the stress disc bodies are formed by splicing two semicircular flanges, the attachment surfaces of the two semicircular flanges are marked as splicing surfaces, and the splicing surfaces of the two stress disc bodies are perpendicular to each other.

Preferably, two threaded holes are symmetrically formed in the semicircular flange, and the screw rods respectively penetrate through the threaded holes of the two stress disc bodies to connect the two stress disc bodies into the stress disc.

Preferably, the number of the screws is four, and the four screws are annularly and uniformly distributed between the flange blocking plate and the stress disc.

Preferably, a cushion block is arranged between the jack and the outer support frame.

Preferably, the centre line of the jack ram coincides with the axis of the rotor shaft.

The embodiment of the utility model provides an electric motor rotor gear extracting tool compares with prior art, and its beneficial effect lies in: the outer support frame is used as a stress point, the inner support frame penetrates through the outer support frame to abut against the inner surface of the gear, and the jack is arranged between the inner support frame and the outer support frame to serve as a power source, so that the overall stress of the inner support frame is guaranteed, the bearing surface is stressed uniformly, and the jack can guarantee sufficient tension, so that the bearing is conveniently pulled out, and the smooth maintenance is guaranteed. The utility model is simple in operation, improved work efficiency, excellent in use effect easily uses widely.

Drawings

Fig. 1 is a schematic structural view of the electric motor rotor gear disassembling tool of the present invention.

Fig. 2 is an application schematic diagram of the electric motor rotor gear disassembling tool of the present invention.

Fig. 3 is the structural schematic diagram of the semicircular flange of the electric motor rotor gear disassembling tool of the present invention.

Wherein: 1-gear, 2-rotor shaft, 3-bearing, 4-outer support frame, 41-outer flange, 42-inner flange, 43-connecting rod, 5-inner support frame, 51-flange blocking plate, 52-stress disc, 521-stress disc body, 522-semicircular flange, 523-threaded hole, 53-screw rod, 6-jack, 7-cushion block and 8-rotor.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-2, the utility model provides a motor rotor gear extracting tool of preferred embodiment, gear 1 sets up on rotor shaft 2, is equipped with bearing 3 between gear 1 and the rotor 8, including outer support frame 4, inner support frame 5 and jack 6, the one end of outer support frame 4 cup joints on rotor shaft 2 and supports and lean on the surface at bearing 3, the one end of inner support frame 5 is passed the other end of outer support frame 4 supports and leans on the internal surface of gear 1, jack 6 sets up the inside of inner support frame 5, and support and lean on between the other end of outer support frame 4 and the other end of inner support frame 5.

According to the motor rotor gear disassembling tool based on the technical characteristics, the outer support frame 4 is arranged to serve as a stress point, the inner support frame 5 penetrates through the outer support frame to abut against the inner surface of the gear 1, and the jack 6 is arranged between the inner support frame 5 and the outer support frame 4 to serve as a power source, so that the whole stress of the inner support frame 5 is guaranteed, the surface stress of the bearing 3 is uniform, and the jack 6 can guarantee enough tension, so that the bearing 3 is conveniently pulled out, and the smooth maintenance is guaranteed. The utility model is simple in operation, improved work efficiency, excellent in use effect easily uses widely.

It should be noted that the bearing 3 and the gear 1 defined herein have inner surfaces close to the rotor 8 and outer surfaces far from the rotor 8.

In this embodiment, the outer support frame 4 includes an outer flange 41 and an inner flange 42 for abutting against the bearing 3, the inner support frame 5 passes through the outer flange 41 to abut against the gear 1, and a plurality of connecting rods 43 are fixedly connected between the inner flange 42 and the outer flange 41. Preferably, the number of the connecting rods 43 is four, four connecting rods 43 are annularly and uniformly distributed between the inner flange 42 and the outer flange 41, and the lengths of the four connecting rods 43 are the same. Meanwhile, since the inner support frame 5 needs to pass through the outer flange 41 and the inner flange 42 only needs to pass through the gear 1, the central hole of the outer flange 41 should be larger than that of the inner flange 42.

Referring to fig. 3, in the present embodiment, the inner support frame 5 includes a flange blocking plate 51 and a detachably spliced force-bearing disc 52, the force-bearing disc 52 abuts against the gear 1, and a plurality of screws 53 are connected between the flange blocking plate 51 and the force-bearing disc 52. In use, the force-bearing disc 52 needs to be spliced against the surface of the gear 1. Specifically, the force-bearing disc 52 includes two force-bearing disc bodies 521 that are attached to each other, the force-bearing disc bodies 521 are formed by splicing two semicircular flanges 522, the attachment surfaces of the two semicircular flanges 522 are marked as splicing surfaces, and the splicing surfaces of the two force-bearing disc bodies 521 are perpendicular to each other. Meanwhile, the semicircular flange 522 is symmetrically provided with two threaded holes 523, and the screw 53 respectively penetrates through the threaded holes 523 of the two force-bearing disc bodies 521 to connect the two force-bearing disc bodies 521 into the force-bearing disc 52, so that the strength of the force-bearing disc 52 is ensured. Meanwhile, preferably, four screw rods 53 are provided, the four screw rods 53 are annularly and uniformly distributed between the flange blocking plate 51 and the stressed disk 52, and the screw rods 53 penetrate through the screw holes 523 of the stressed disk 52 until the screw rods 53 are connected, and the lengths of the four screw rods 53 between the flange blocking plate 51 and the stressed disk 52 are the same, so that the good stress of the screw rods 53 is ensured.

In this embodiment, the cylinder of the jack 6 abuts against the inner surface of the flange blocking plate 51, the top rod of the jack 6 abuts against the outer flange 41 of the outer support frame 4, because the outer flange 41 is provided with a central hole, in order to ensure use, a cushion block 7 is arranged between the jack 6 and the outer flange 41 of the outer support frame 4, and the top rod of the jack 6 abuts against the cushion block 7, so that stress is ensured. Meanwhile, during installation, the central line of the ejector rod of the jack 6 is coincident with the axis of the rotor shaft 2, so that the uniform stress of each screw 53 of the outer support frame 4 is ensured, and the disassembly tool is ensured to play the greatest role. And the jack 6 can be selected with different specifications according to actual conditions, so that the gear 1 can be disassembled by ensuring enough tension.

In addition, in order to ensure a sufficient erection space during the installation of the tool for disassembling the motor rotor gear provided by this embodiment, the motor of the front end cover should be disassembled toward the load end, and then the inner flange 42 of the outer support frame 4 is pressed against the outer side of the bearing.

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 replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a motor rotor gear extracting tool, the gear setting is equipped with bearing, its characterized in that on the rotor shaft between gear and the rotor: the rotor shaft support comprises an outer support frame, an inner support frame and a jack, wherein one end of the outer support frame is sleeved on the rotor shaft and abuts against the outer surface of the bearing, one end of the inner support frame penetrates through the other end of the outer support frame and abuts against the inner surface of the gear, and the jack is arranged inside the inner support frame and abuts between the other end of the outer support frame and the other end of the inner support frame.

2. The motor rotor gear removal tool of claim 1, wherein: the outer support frame comprises an outer flange and an inner flange used for abutting against the bearing, and a plurality of connecting rods are fixedly connected between the inner flange and the outer flange.

3. The motor rotor gear removal tool of claim 2, wherein: the number of the connecting rods is four, and the four connecting rods are annularly and uniformly distributed between the inner flange and the outer flange.

4. The motor rotor gear removal tool of claim 1, wherein: the inner support frame comprises a flange blocking plate and a stress disc which is detachably spliced, the stress disc is abutted against the gear, and a plurality of screw rods are connected between the flange blocking plate and the stress disc.

5. The motor rotor gear removal tool of claim 4, wherein: the stress disc comprises two stress disc bodies which are attached to each other, the stress disc bodies are formed by splicing two semicircular flanges, the attaching surfaces of the two semicircular flanges are marked as splicing surfaces, and the splicing surfaces of the two stress disc bodies are perpendicular to each other.

6. The motor rotor gear removal tool of claim 5, wherein: the semicircular flange is symmetrically provided with two threaded holes, and the screw rods respectively penetrate through the threaded holes of the two stress disc bodies to connect the two stress disc bodies into the stress disc.

7. The motor rotor gear removal tool of claim 4, wherein: the number of the screw rods is four, and the four screw rods are annularly and uniformly distributed between the flange blocking plate and the stress disc.

8. The motor rotor gear removal tool of any one of claims 1-7, wherein: and a cushion block is arranged between the jack and the outer support frame.

9. The motor rotor gear removal tool of any one of claims 1-7, wherein: the central line of the ejector rod of the jack is superposed with the axis of the rotor shaft.