CN218678748U

CN218678748U - Integral type motor shaft earthing device

Info

Publication number: CN218678748U
Application number: CN202223375944.6U
Authority: CN
Inventors: 叶玉燕
Original assignee: Taizhou Kafeile Technology Co ltd
Current assignee: Taizhou Kafeile Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-03-21
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses an integral type motor shaft earthing device, including solid fixed ring and conductive fiber, gu fixed ring has seted up a plurality of conductive fiber jacks in one side towards its annular center, a plurality of conductive fiber jacks wind solid fixed ring's annular center equipartition, and respectively along solid fixed ring radial extension, every conductive fiber jack interpolation has a conductive fiber, and conductive fiber exposes the conductive fiber jack, gu fixed ring's axial one side is formed with the annular riveting groove that sets up around solid fixed ring's annular center. The utility model discloses make motor shaft earthing device structure succinct more, it is more convenient to make.

Description

Integral type motor shaft earthing device

Technical Field

The utility model relates to the technical field of motors, in particular to integral type motor shaft earthing device.

Background

The motor is at the working process, and the motor shaft receives the magnetic force effect of motor during operation can produce the response electricity, and the response electricity is conducted on the bearing that is used for supporting the motor shaft, leads to the galvanic corrosion of bearing, influences the life of bearing, and serious person will make the bearing locking, and the motor stall very easily causes the incident.

Therefore, a motor shaft grounding protection device for grounding the motor shaft is currently available, but the current devices are not compact enough in structure and the manufacturing process is generally complicated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral type motor shaft earthing device overcomes above-mentioned defect, makes the motor shaft earthing device structure more succinct, and it is more convenient to make.

To achieve the above object, the solution of the present invention is: the utility model provides an integral type motor shaft earthing device, includes solid fixed ring and conductive fiber, gu fixed ring has seted up a plurality of conductive fiber jacks in one side towards its annular center, a plurality of conductive fiber jacks are around solid fixed ring's annular center equipartition, and respectively along solid fixed ring radial extension, every conductive fiber jack interpolation has a conductive fiber, conductive fiber exposes the conductive fiber jack, gu fixed ring's axial one side is formed with the annular riveting groove that sets up around solid fixed ring's annular center.

Further, the other axial side of the fixing ring is a plane.

Furthermore, each conductive fiber jack penetrates through the fixing ring.

Further, a plurality of the conductive fiber jacks are arranged in a circumferential array around the center of the fixing ring.

Further, the conductive fiber jack is a round hole.

Furthermore, a motor bolt mounting hole axially penetrates through the fixing ring.

Further, the notch of the annular riveting groove is in smooth transition.

After the technical scheme is adopted, the beneficial effects of the utility model reside in that: the fixing ring is provided with a plurality of conductive fiber jacks on one side facing the annular center of the fixing ring, the conductive fiber jacks are uniformly distributed around the annular center of the fixing ring and extend along the radial direction of the fixing ring respectively, each conductive fiber jack is internally inserted with a conductive fiber, the conductive fibers expose the conductive fiber jacks, when the fixing ring is sleeved on the periphery of a motor shaft, each conductive fiber is in multipoint continuous electric connection with the motor shaft and is conducted, the conductive fibers are grounded, and the motor shaft is continuously grounded.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of the present invention;

FIG. 3 is a schematic cross-sectional view of the fixing ring of the present invention;

fig. 4 is the utility model discloses the structure in annular riveting groove is impressed to annular riveting pressure head.

Description of reference numerals: 1-a fixing ring, 2-conductive fibers, 3-conductive fiber jacks, 4-an annular riveting groove, 5-a motor bolt mounting hole, 6-a fillet and 7-an annular riveting pressure head.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The utility model provides an integrated motor shaft grounding device, as shown in fig. 1-4, comprising a fixing ring 1 and conductive fibers 2, wherein the fixing ring 1 is in a ring shape, the fixing ring 1 is provided with a plurality of conductive fiber jacks 3 at one side facing to the ring center, each conductive fiber jack 3 is specifically a round hole in the embodiment, the plurality of conductive fiber jacks 3 are uniformly distributed around the ring center of the fixing ring and are arranged in a circumferential array, each conductive fiber jack 3 respectively extends along the radial direction of the fixing ring 1 and runs through the fixing ring 1 (from one side of the fixing ring 1 close to the ring center to one side of the fixing ring 1 deviating from the ring center), one conductive fiber 2 is inserted into each conductive fiber jack 3, the conductive fiber 2 can be made of any one of the existing wear-resistant conductive materials, specifically in the embodiment, the motor comprises a carbon fiber bundle with the surface plated with nickel and copper, the number of fiber strands of each conductive fiber 2 is unlimited, each conductive fiber 2 is exposed out of a corresponding conductive fiber jack 3 towards one side of the annular center of a fixing ring 1, when the fixing ring 1 is sleeved on the periphery of a motor shaft, each conductive fiber 2 is in continuous contact electrical connection with the motor shaft in the working process of the motor, the conductive fibers 2 are grounded or the fixing ring 1 made of a conductive material is grounded, so that the grounding connection of the motor shaft can be realized, in addition, because the conductive fibers 2 have enough elasticity, the radial acting force acting on the motor shaft is small, the friction force generated between the conductive fibers 2 and the motor shaft is small, the normal rotation of the motor shaft cannot be influenced, an annular riveting groove 4 arranged around the annular center of the fixing ring is formed on one axial side of the fixing ring 1, and the other axial side of the fixing ring 1 is a plane.

During assembly, the conductive fibers 2 are respectively inserted into the conductive fiber insertion holes 3, the conductive fibers 2 are exposed to a preset length, then, an annular riveting pressure head 7 matched with the annular riveting groove 4 is inserted into the annular riveting groove 4 to be pressed down, the fixing ring 1 is uniformly and plastically deformed, the annular inner diameter and the annular outer diameter of the fixing ring 1 are uniformly changed, meanwhile, the conductive fiber insertion holes 3 are simultaneously flattened and radially deformed, and the conductive fibers 2 are clamped and fixed in the conductive fiber insertion holes 3.

In order to fix the fixing ring 1 on the motor, motor bolt mounting holes 5 axially penetrate through the fixing ring 1, specifically, the number of the motor bolt mounting holes 5 is two, the motor bolt mounting holes 5 are circumferentially spaced on the fixing ring 1, each motor bolt mounting hole 5 is used for a bolt to penetrate, the bolt is screwed on the motor, and the fixing ring 1 is fixed on the motor.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present invention, and all equivalent changes made according to the design key of the present invention fall within the protection scope of the present invention.

Claims

1. The utility model provides an integral type motor shaft earthing device which characterized in that: including solid fixed ring (1) and conductive fiber (2), gu fixed ring (1) has seted up a plurality of conductive fiber jacks (3) in one side towards its annular center, a plurality of conductive fiber jacks (3) are around solid fixed ring's annular center equipartition, and respectively along solid fixed ring (1) radial extension, every conductive fiber jack (3) interpolation has one conductive fiber (2), conductive fiber (2) expose conductive fiber jack (3), the axial one side of solid fixed ring (1) is formed with annular riveting groove (4) around solid fixed ring's annular center setting.

2. The integrated motor shaft grounding device of claim 1, wherein: the other axial side of the fixing ring (1) is a plane.

3. The integrated motor shaft grounding device of claim 1, wherein: each conductive fiber jack (3) penetrates through the fixing ring (1).

4. The integrated motor shaft grounding device of claim 1, wherein: the conductive fiber jacks (3) are arranged in a circumferential array around the center of the fixing ring (1).

5. The integrated motor shaft grounding device of claim 1, wherein: the conductive fiber insertion holes (3) are round holes.

6. The integrated motor shaft grounding device of claim 1, wherein: and a motor bolt mounting hole (5) axially penetrates through the fixing ring (1).

7. The integrated motor shaft grounding device of claim 1, wherein: the notch of the annular riveting groove (4) is in smooth transition.