CN214850816U

CN214850816U - Novel rotor shaft

Info

Publication number: CN214850816U
Application number: CN202120688144.6U
Authority: CN
Inventors: 叶耿标; 林敏�; 刘凌云; 单宝楠
Original assignee: Wenzhou Shenyi Shaft Industries Co ltd
Current assignee: Wenzhou Shenyi Shaft Industries Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-23
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a novel rotor shaft, which comprises a rotor shaft body, wherein a transmission part connecting shaft is integrally arranged at the right end of the rotor shaft body, the diameter of the transmission part connecting shaft is smaller than that of the rotor shaft body, a hard alloy reinforced layer is welded on the outer circular surface of the transmission part connecting shaft, and a rubber damping layer is fixedly bonded on the outer surface of the hard alloy reinforced layer; a screw rod connecting screw hole and a screw connecting screw hole are formed in the right end face of the transmission member connecting shaft, a positioning screw rod is connected with the screw rod connecting screw hole in an internal thread mode, and a plurality of stainless steel positioning elastic sheets are welded at the left end of the positioning screw rod; the right end of the positioning screw rod is integrally provided with a limiting disc, the diameter of the limiting disc is larger than that of the rotor shaft body, and a rubber elastic positioning pad is fixedly bonded on the left end face of the limiting disc. Above-mentioned technical scheme, structural design is reasonable, convenient assembling, fixed reliable, difficult noise, non-deformable and the practicality is good.

Description

Novel rotor shaft

Technical Field

The utility model relates to the technical field of electric machines, concretely relates to novel rotor shaft.

Background

Need be at output shaft installation drive disk assembly like gear, band pulley, shaft coupling etc. when the motor uses, current motor, before using for the first time when taking off drive disk assembly to motor output shaft suit drive disk assembly and maintenance change motor, generally need strike and beat, cause the injury to parts such as electric motor rotor axle, bearing easily, make the rotor axle take place to warp, the noise is big when the follow-up operation of motor, it is serious to generate heat, influences motor life, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a novel rotor shaft that structural design is reasonable, convenient assembling, fixed reliable, difficult noise, non-deformable and the practicality is good.

In order to achieve the above purpose, the utility model provides a following technical scheme: a novel rotor shaft comprises a rotor shaft body, wherein a transmission part connecting shaft is integrally arranged at the right end of the rotor shaft body, the diameter of the transmission part connecting shaft is smaller than that of the rotor shaft body, a hard alloy reinforcing layer is welded on the outer circular surface of the transmission part connecting shaft, and a rubber damping layer is fixedly bonded on the outer surface of the hard alloy reinforcing layer; a screw rod connecting screw hole and a screw connecting screw hole are formed in the right end face of the transmission member connecting shaft, a positioning screw rod is connected with the screw rod connecting screw hole in an internal thread mode, and a plurality of stainless steel positioning elastic sheets are welded at the left end of the positioning screw rod; the right end of the positioning screw rod is integrally provided with a limiting disc, the diameter of the limiting disc is larger than that of the rotor shaft body, and a rubber elastic positioning pad is fixedly bonded on the left end face of the limiting disc.

The utility model discloses further set up to: the limiting disc and the positioning screw rod are made of stainless steel materials, and the middle of the right end face of the limiting disc is provided with a tool slot.

The utility model discloses still further set up to: the rotor shaft body and the connecting part of the transmission part connecting shaft form a step surface, an elastic gasket is sleeved on the rubber shock absorption layer, and the left end face of the elastic gasket is fixedly bonded with the step surface.

The utility model discloses still further set up to: the limiting disc is provided with a screw positioning through hole aligned with the screw connecting screw hole, a positioning screw penetrates through the screw positioning through hole, and the head of the positioning screw penetrates through the screw positioning through hole and then is in threaded connection with the screw connecting screw hole.

The utility model discloses still further set up to: the rubber elastic positioning pad is provided with a circular through hole at the position aligned with the positioning through hole of the screw, and the positioning screw penetrates through the circular through hole.

The utility model discloses still further set up to: the rotor shaft comprises a rotor shaft body and is characterized in that an iron sheet mounting groove is formed in the local position of the right end face of the rotor shaft body, a positioning iron sheet is bonded in the iron sheet mounting groove in a fixed mode, a magnet mounting groove matched with the position of the positioning iron sheet is formed in the local position of the left end face of a limiting disc, positioning magnets are arranged in the magnet mounting groove in a fixed mode, and the positioning magnets are aligned to the positioning iron sheet after the limiting disc is fixed.

The utility model has the advantages that: compared with the prior art, the structure of the utility model is more reasonable, the limiting disc is locked at the right end of the driving medium connecting shaft of the rotor shaft body through the positioning screw rod and is positioned through the positioning screw, the assembly and disassembly are easy, and the connection is reliable; the hard alloy reinforcing layer plays a role in reinforcing the transmission connecting shaft, a transmission piece mounting groove is formed among the elastic gasket, the rubber damping layer and the rubber elastic positioning pad, and the elastic gasket, the rubber damping layer and the rubber elastic positioning pad have elasticity, so that the vibration and noise reduction effect is good; the structure design is reasonable, the assembly is convenient, the fixation is reliable, the noise is not easy to generate, the deformation is not easy to occur, and the practicability is good.

The invention is further described with reference to the drawings and the specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of section I of FIG. 1;

fig. 3 is a schematic structural diagram of a limiting disc according to an embodiment of the present invention.

Detailed Description

In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2 and 3, the utility model discloses a novel rotor shaft, which comprises a rotor shaft body 1, wherein a transmission part connecting shaft 11 is integrally arranged at the right end of the rotor shaft body 1, the diameter of the transmission part connecting shaft 11 is smaller than that of the rotor shaft body 1, a hard alloy reinforcing layer 12 is welded on the outer circumferential surface of the transmission part connecting shaft 11, and a rubber damping layer 13 is fixedly bonded on the outer surface of the hard alloy reinforcing layer 12; a screw rod connecting screw hole 111 and a screw connecting screw hole 112 are formed in the right end face of the transmission member connecting shaft 11, a positioning screw rod 2 is connected to the screw rod connecting screw hole 111 in an internal thread mode, and a plurality of stainless steel positioning elastic sheets 3 are welded at the left end of the positioning screw rod 2; the right end of the positioning screw rod 2 is integrally provided with a limiting disc 4, the diameter of the limiting disc 4 is larger than that of the rotor shaft body 1, and a rubber elastic positioning pad 5 is fixedly bonded on the left end face of the limiting disc 4.

Preferably, the stainless steel positioning elastic pieces 3 are welded on the left end face of the positioning screw rod 2, and the number of the stainless steel positioning elastic pieces 3 is 2-4.

For making the utility model discloses the structure sets up more rationally, as preferred, this embodiment spacing disc 4 and positioning screw 2 are made by stainless steel material, and the right-hand member face middle part of spacing disc 4 is provided with a tool slot 41.

Rotor shaft body 1 constitutes a step face with driving medium connecting axle 11 junction, the cover is equipped with an elastic gasket 6 on the rubber shock absorber layer 13, elastic gasket 6's left end face and step face bonding are fixed. Preferably, a transmission part mounting groove is formed among the elastic gasket, the rubber damping layer and the rubber elastic positioning pad, and the elastic gasket, the rubber damping layer and the rubber elastic positioning pad have elasticity, so that the damping and noise reducing effects are good, the existing transmission part is reliably positioned after being mounted, and noise is not easy to generate during work.

The position of the limiting disc 4, which is aligned with the screw connecting screw hole, is provided with a screw positioning through hole 42, a positioning screw 7 penetrates through the screw positioning through hole 42, and the head of the positioning screw 7 penetrates through the screw positioning through hole 42 and then is in threaded connection with the screw connecting screw hole 112.

The rubber elastic positioning pad 5 is provided with a circular through hole 51 aligned with the screw positioning through hole, and the positioning screw 7 penetrates through the circular through hole 51.

Rotor shaft body 1's right-hand member face local position is provided with an iron sheet mounting groove, iron sheet mounting groove internal fixation bonds and has

location iron sheet

8, 4 left end face local positions of spacing disc be provided with location iron sheet 8 position assorted magnet mounting groove, magnet mounting groove internal fixation is provided with location magnet 9, and after spacing disc 4 is fixed, location magnet 9 is aimed at location iron sheet 8. Preferably, the rubber elastic positioning pad 5 completely covers the positioning magnet 9, and the rubber elastic positioning pad 5 is pressed when the positioning magnet 9 adsorbs the positioning iron sheet 8.

In practical application, the limiting disc is locked at the right end of the transmission part connecting shaft of the rotor shaft body through the positioning screw rod and is positioned through the positioning screw, so that the mounting and dismounting are easy and the connection is reliable; the hard alloy reinforcing layer plays a role in reinforcing the transmission connecting shaft, a transmission piece mounting groove is formed among the elastic gasket, the rubber damping layer and the rubber elastic positioning pad, and the elastic gasket, the rubber damping layer and the rubber elastic positioning pad have elasticity, so that the vibration and noise reduction effect is good; the structure design is reasonable, the assembly is convenient, the fixation is reliable, the noise is not easy to generate, the deformation is not easy to occur, and the practicability is good.

The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.

Claims

1. A novel rotor shaft, includes rotor shaft body (1), its characterized in that: a transmission part connecting shaft (11) is integrally arranged at the right end of the rotor shaft body (1), the diameter of the transmission part connecting shaft (11) is smaller than that of the rotor shaft body (1), a hard alloy reinforcing layer (12) is welded on the outer circular surface of the transmission part connecting shaft (11), and a rubber damping layer (13) is fixedly bonded on the outer surface of the hard alloy reinforcing layer (12); a screw rod connecting screw hole (111) and a screw connecting screw hole (112) are formed in the right end face of the transmission member connecting shaft (11), a positioning screw rod (2) is connected to the screw rod connecting screw hole (111) in an internal thread mode, and a plurality of stainless steel positioning elastic sheets (3) are welded at the left end of the positioning screw rod (2); the rotor shaft positioning device is characterized in that a limiting disc (4) is integrally arranged at the right end of the positioning screw rod (2), the diameter of the limiting disc (4) is larger than that of the rotor shaft body (1), and a rubber elastic positioning pad (5) is fixedly bonded on the left end face of the limiting disc (4).

2. The new rotor shaft of claim 1, wherein: the limiting disc (4) and the positioning screw rod (2) are made of stainless steel materials, and the middle of the right end face of the limiting disc (4) is provided with a tool slot (41).

3. The new rotor shaft of claim 2, wherein: rotor shaft body (1) and driving medium connecting axle (11) junction constitute a step face, the cover is equipped with one resilient means (6) on rubber shock absorber layer (13), the left end face and the step face bonding of resilient means (6) are fixed.

4. The new rotor shaft of claim 1, wherein: the limiting disc (4) is provided with a screw positioning through hole (42) aligned with the screw connecting screw hole, a positioning screw (7) penetrates through the screw positioning through hole (42), and the head of the positioning screw (7) penetrates through the screw positioning through hole (42) and then is in threaded connection with the screw connecting screw hole (112).

5. The new rotor shaft of claim 4, wherein: the rubber elastic positioning pad (5) is provided with a circular through hole (51) aligned with the screw positioning through hole, and the positioning screw (7) penetrates through the circular through hole (51).

6. The new rotor shaft of claim 1, wherein: the rotor shaft is characterized in that an iron sheet mounting groove is formed in the local position of the right end face of the rotor shaft body (1), a positioning iron sheet (8) is bonded in the iron sheet mounting groove in a fixed mode, the local position of the left end face of the limiting disc (4) is provided with a magnet mounting groove matched with the position of the positioning iron sheet (8), a positioning magnet (9) is arranged in the magnet mounting groove in a fixed mode, and the positioning magnet (9) is aligned to the positioning iron sheet (8) after the limiting disc (4) is fixed.