CN211579781U

CN211579781U - High-speed traction motor rotating shaft with stable structure

Info

Publication number: CN211579781U
Application number: CN202020571404.7U
Authority: CN
Inventors: 马志伟; 范明松
Original assignee: Jingjiang Mingyu Shaft Manufacturing Co ltd
Current assignee: Jingjiang Mingyu Shaft Manufacturing Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-09-25
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a high-speed traction motor pivot with stable structure, including interior axle and outer axle, the left end of interior axle is provided with the outer axle, the left side of interior axle is provided with the retaining ring, interior left upper and lower both ends symmetry of axle is provided with first stopper, interior epaxial mount of installing through installation mechanism installs, and the outside of mount has seted up the bolt hole, the upside left end of mount passes through adjustment mechanism and installs the connecting block, and the lower extreme of connecting block is provided with stop gear. The utility model discloses a set up installation mechanism for stable structure and interior axle and outer axle can be installed and dismantle, and the mounting means is simple understandable, convenient equipment like this, and come spacing and support to the outer axle through stop gear, with play the effect of stabilizing outer axle, make the outer axle be difficult to appear the off-axis, thereby play stable effect.

Description

High-speed traction motor rotating shaft with stable structure

Technical Field

The utility model relates to a motor shaft technical field specifically is a high-speed traction motor pivot with stable structure.

Background

Compared with a direct current motor, the traction motor is simple and reliable in structure, small in size and light in weight, and is more suitable for requirements of vehicles on installation space, weight and the like of the motor, more importantly, the alternating current traction motor has the advantages of being large in power, strong in overload capacity, low in noise and the like, but the existing high-speed traction motor is simple in structure of a rotating shaft, and a stabilizing mechanism is not arranged at one end of the rotating shaft extending out of the motor, so that the rotating shaft of the motor is extended out of one side of the motor, and is easy to deform and damage when influenced by vibration, stress and the like, so that the rotating shaft of the high-speed traction motor with the stabilizing structure is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed traction motor pivot with stable structure to the pivot that proposes in solving above-mentioned background does not establish stabilizing mean in stretching out the one end in the motor, therefore leads to the motor pivot to stretch out one side in the motor, when receiving influences such as vibration and stress, takes place the problem of deformation damage easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-speed traction motor pivot with stable structure, includes interior axle and outer axle, the left end of interior axle is provided with outer axle, the left side of interior axle is provided with the retaining ring, interior left upper and lower both ends symmetry of axle is provided with first stopper, interior epaxial mount of installing through installation mechanism installs, and the bolt hole has been seted up in the outside of mount, the upside left end of mount passes through adjustment mechanism and installs the connecting block, and the lower extreme of connecting block is provided with stop gear.

Preferably, the installation mechanism comprises a sleeve, a first shaft hole is transversely formed in the center of the sleeve, the inner diameter of the first shaft hole is equal to the diameter of the sleeve, first limiting grooves are symmetrically formed in the inner walls of the upper side and the lower side of the first shaft hole, the inner diameter of each first limiting groove is equal to the diameter of each first limiting block, the sleeve is installed inside the fixing frame through a bearing, and the sleeve is sleeved on the left side of the inner shaft through the first shaft hole and the first limiting grooves.

Preferably, the adjusting mechanism includes screw rod and loop bar, the fixed welding of right-hand member of screw rod is at the upside left end of mount, the right-hand member of loop bar is seted up the internal diameter and is equaled the slot with the left end diameter of screw rod, the left end of screw rod inserts in the loop bar from the opening part of slot, the opening part fixed mounting of slot has the nut with screw rod looks adaptation, and the nut cup joints on the screw rod, the right-hand member fixed connection of bearing and connecting block is passed through to the left end of loop bar.

Preferably, stop gear is including fixed cover and second stopper, fixed cover fixed welding is at the lower extreme of connecting block, second stopper symmetric welding is at the upper and lower both ends of outer axle, fixed cover sets up to circle ring shape, the spacing ring is installed through the bearing in the inside of fixed cover, and the central point of spacing ring puts the diameter that transversely offers internal diameter and outer axle and equals the second shaft hole, the second spacing groove that the shape equals with the second stopper has been seted up to the inner wall symmetry of both sides about the second shaft hole, the spacing ring cup joints at outer epaxially through second shaft hole and second spacing groove.

Preferably, the inner diameter of the second limiting groove is larger than that of the second limiting block, and a rubber pad is glued on the inner wall of the second limiting groove.

Compared with the prior art, the beneficial effects of the utility model are that: this high-speed traction motor pivot with stable structure, through setting up installation mechanism, make stable structure and interior axle and outer axle install and dismantle, and the mounting means is simple understandable, convenient equipment like this, and come spacing and support to the axle through stop gear, in order to play the effect of stabilizing the outer axle, make the outer axle be difficult to the off-axis appearance, thereby play stable effect, and stop gear's supported position can transversely adjust through adjustment mechanism, the convenience is adjusted according to installation and in service behavior like this, make this device use more nimble.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic sectional view of the right side of the structure of the present invention;

FIG. 3 is a schematic left-side sectional view of the structure of the present invention;

fig. 4 is an enlarged schematic view of a in fig. 3 according to the present invention.

In the figure: 1. an inner shaft; 2. an outer shaft; 3. a retainer ring; 4. a first stopper; 5. a sleeve; 6. a first shaft hole; 7. a first limit groove; 8. a fixed mount; 9. a screw; 10. a loop bar; 11. a nut; 12. connecting blocks; 13. fixing a sleeve; 14. a limiting ring; 15. a second shaft hole; 16. a second limiting block; 17. a second limit groove; 18. a rubber pad.

The specific implementation mode is as follows:

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. 1-4, the present invention provides an embodiment: a high-speed traction motor rotating shaft with a stable structure comprises an inner shaft 1 and an outer shaft 2, wherein the outer shaft 2 is arranged at the left end of the inner shaft 1, a retainer ring 3 is arranged at the left side of the inner shaft 1, first limiting blocks 4 are symmetrically arranged at the upper end and the lower end of the left side of the inner shaft 1, a fixing frame 8 is arranged on the inner shaft 1 through an installing mechanism, a bolt hole is formed in the outer side of the fixing frame 8, a connecting block 12 is arranged at the left end of the upper side of the fixing frame 8 through an adjusting mechanism, and;

referring to fig. 1 and 2, the mounting mechanism includes a sleeve 5, a first shaft hole 6 is transversely formed in the center of the sleeve 5, the inner diameter of the first shaft hole 6 is equal to the diameter of the sleeve 5, first limiting grooves 7 are symmetrically formed in the inner walls of the upper and lower sides of the first shaft hole 6, the inner diameter of each first limiting groove 7 is equal to the diameter of each first limiting block 4, the sleeve 5 is mounted inside a fixing frame 8 through a bearing, the sleeve 5 is sleeved on the left side of the inner shaft 1 through the first shaft hole 6 and the first limiting grooves 7, in use, the first shaft hole 6 and the first limiting groove 7 on the sleeve 5 are respectively aligned with the inner shaft 1 and the first limiting blocks 4, then the sleeve 5 is sleeved on the left end of the inner shaft 1, the right end of the sleeve 5 is attached to the retainer ring 3, and in addition, it is required to ensure that the limiting mechanism is sleeved on the outer shaft 2 and the second limiting blocks 16 through the, then, the inner shaft 1 is installed in the motor, the retainer ring 3 is positioned at the outer side of the motor, and then the fixing frame 8 is fixedly connected with the outer end of the motor through bolts, so that the operation is simple and convenient;

as shown in fig. 1, the adjusting mechanism includes a screw 9 and a loop bar 10, the right end of the screw 9 is fixedly welded at the left end of the upper side of the fixing frame 8, the right end of the loop bar 10 is provided with a slot with an inner diameter equal to the diameter of the left end of the screw 9, the left end of the screw 9 is inserted into the loop bar 10 from the opening of the slot, the opening of the slot is fixedly provided with a nut 11 matched with the screw 9, the nut 11 is sleeved on the screw 9, the left end of the loop bar 10 is fixedly connected with the right end of the connecting block 12 through a bearing, when in use, if the installation position of the limiting mechanism needs to be adjusted, the loop bar 10 is only required to be rotated, the loop bar 10 drives the nut 11 to rotate to perform a thread action with the surface thread of the screw 9, so that the nut 11 can drive the loop bar 10 to perform a transverse movement along the screw 9, and the loop bar 10 can drive the limiting mechanism to perform a transverse movement, the position of the limiting mechanism can be adjusted according to the using and mounting conditions by the mode, so that the device is more flexible and practical;

as shown in fig. 1 and fig. 3, the limiting mechanism includes a fixing sleeve 13 and a second limiting block 16, the fixing sleeve 13 is fixedly welded at the lower end of the connecting block 12, the second limiting block 16 is symmetrically welded at the upper and lower ends of the outer shaft 2, the fixing sleeve 13 is annular, a limiting ring 14 is installed inside the fixing sleeve 13 through a bearing, a second shaft hole 15 with an inner diameter equal to that of the outer shaft 2 is transversely formed at the central position of the limiting ring 14, a second limiting groove 17 with a shape equal to that of the second limiting block 16 is symmetrically formed on the inner walls of the upper and lower sides of the second shaft hole 15, the limiting ring 14 is sleeved on the outer shaft 2 through the second shaft hole 15 and the second limiting groove 17, by the structure, when the limiting ring 14 is sleeved on the outer shaft 2, if the outer shaft 2 is subjected to a longitudinal force, the limiting ring 14 can bear the force, and form a support for the outer, the outer shaft 2 is difficult to deform and deviate, so that the effect of stabilizing the outer shaft 2 is achieved, force can be applied in the second limiting groove 17 through the second limiting block 16 when the outer shaft 2 rotates, the limiting ring 14 rotates in the fixed sleeve 13 through the bearing, and the limiting mechanism can always support and limit the outer shaft 2 under the condition that the working of the outer shaft 2 is not influenced through the mode, so that the stability of the outer shaft 2 is well improved;

if fig. 3 and fig. 4, the internal diameter of second spacing groove 17 is greater than second stopper 16, and it has cushion 18 to glue on the inner wall of second spacing groove 17, and this structure cuts off the direct contact of second stopper 16 with second spacing groove 17 inner wall through cushion 18, rotates at outer axle 2 like this, when the conduction moment of torsion through second stopper 16, can conflict cushion 18 earlier, cushions through cushion 18 to play the effect of shock resistance and absorption vibrations, thereby play the protection to the device, do above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A high-speed traction motor rotating shaft with a stable structure comprises an inner shaft (1) and an outer shaft (2), and is characterized in that: the left end of interior axle (1) is provided with outer axle (2), the left side of interior axle (1) is provided with retaining ring (3), interior left upper and lower both ends symmetry of axle (1) is provided with first stopper (4), install mount (8) on interior axle (1) through installation mechanism, and the bolt hole has been seted up in the outside of mount (8), connecting block (12) are installed through adjustment mechanism to the upside left end of mount (8), and the lower extreme of connecting block (12) is provided with stop gear.

2. The rotating shaft of a high-speed traction motor with a stable structure as claimed in claim 1, wherein: the installation mechanism comprises a sleeve (5), wherein a first shaft hole (6) is transversely formed in the center of the sleeve (5), the inner diameter of the first shaft hole (6) is equal to the diameter of the sleeve (5), first limiting grooves (7) are symmetrically formed in the inner walls of the upper side and the lower side of the first shaft hole (6), the inner diameter of each first limiting groove (7) is equal to the diameter of each first limiting block (4), the sleeve (5) is installed inside a fixing frame (8) through a bearing, and the sleeve (5) is sleeved on the left side of an inner shaft (1) through the first shaft hole (6) and the first limiting grooves (7).

3. The rotating shaft of a high-speed traction motor with a stable structure as claimed in claim 1, wherein: adjustment mechanism includes screw rod (9) and loop bar (10), the fixed welding of right-hand member of screw rod (9) is at the upside left end of mount (8), the right-hand member of loop bar (10) is seted up the internal diameter and is equal slot with the left end diameter of screw rod (9), the left end of screw rod (9) inserts in loop bar (10) from the opening part of slot, the opening part fixed mounting of slot has nut (11) with screw rod (9) looks adaptation, and nut (11) cup joints on screw rod (9), the right-hand member fixed connection of bearing and connecting block (12) is passed through to the left end of loop bar (10).

4. The rotating shaft of a high-speed traction motor with a stable structure as claimed in claim 1, wherein: stop gear is including fixed cover (13) and second stopper (16), fixed cover (13) fixed welding is at the lower extreme of connecting block (12), second stopper (16) symmetric welding is at the upper and lower both ends of outer axle (2), fixed cover (13) sets up to ring shape, spacing ring (14) are installed through the bearing to the inside of fixed cover (13), and the central point of spacing ring (14) puts and transversely offers the internal diameter and equals second shaft hole (15) with the diameter of outer axle (2), second spacing groove (17) that shape and second stopper (16) equal are offered to the inner wall symmetry of both sides about second shaft hole (15), cup joint on outer axle (2) spacing ring (14) through second shaft hole (15) and second spacing groove (17).

5. The rotating shaft of a high-speed traction motor with a stable structure as claimed in claim 4, wherein: the inner diameter of the second limiting groove (17) is larger than that of the second limiting block (16), and a rubber pad (18) is glued on the inner wall of the second limiting groove (17).