CN219795885U

CN219795885U - Feeder transmission elastic sleeve protection device

Info

Publication number: CN219795885U
Application number: CN202223571825.8U
Authority: CN
Inventors: 许银川; 杨晓锦; 孙博; 周广超; 钱正阳; 郭鹏涛; 宋思禹; 王凯雯; 张亚萍
Original assignee: Zhengzhou Yunda Paper Equipment Co Ltd
Current assignee: Zhengzhou Yunda Paper Equipment Co Ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-10-03
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a feeder transmission elastic sleeve protection device which comprises a spring sleeve and a supporting ring, wherein the supporting ring is arranged at the outer side of one end of the spring sleeve, a transmission shaft is arranged in the spring sleeve, a locking nut is arranged on the transmission shaft far away from one end of the supporting ring, a thrust bearing seat is arranged at the outer side of the spring sleeve, a thrust aligning roller bearing is arranged between the thrust bearing seat and the supporting ring, a spherical roller bearing is arranged on the transmission shaft at one end of the supporting ring, a bearing sleeve is arranged at the outer side of the spherical roller bearing, a bearing seat is arranged at the outer side of the bearing sleeve, and one side of the bearing seat is connected with the thrust bearing seat. According to the utility model, a series of structures are arranged, the elastic sleeve has larger tensile strength, and is restrained from elastic deformation when being subjected to axial impact force, so that the axial bearing performance is improved, the support ring is restrained from axial displacement, the transmission assembly can stably run when bearing continuous impact load, the service cycle of the transmission assembly is prolonged, and the lubrication efficiency of the bearing is increased.

Description

Feeder transmission elastic sleeve protection device

Technical Field

The utility model relates to the technical field of feeder transmission, in particular to a protection device for an elastic sleeve of feeder transmission.

Background

In a general transmission structure, a spherical roller bearing is adopted to bear radial load bearing capacity, so that the radial rigidity of the main shaft and the main shaft rotation precision are improved. The thrust self-aligning roller bearing is adopted to reduce the movement of the main shaft and bear the axial load of the main shaft. The general thrust self-aligning roller bearing is in direct contact with the shaft, and the main shaft and the shell adopt a stepped shaft form to restrain the bearing.

Because the feeder can produce great axial impact load in the transmission process, if the thrust aligning roller bearing is installed with the traditional contact form of axle, under the continuous axial impact, the inertia force wearing generated between ball and retainer in the bearing produces harmful effects to the bearing rolling for a long time, cause the sliding to produce between ball and the raceway and lead to the fact the bearing to damage, there are a lubrication groove and three lubrication holes on the excircle of spherical roller bearing outer lane, traditional form cooperation spherical roller bearing and bearing frame are direct to cooperate, produce some wearing and tearing or produce iron fillings in the drive chamber when the bearing, fluid is in the lubrication Kong Chendian to lubrication groove through the bearing with impurity, can cause the bearing bad operation in long-time operation.

Disclosure of Invention

The present utility model is directed to a protection device for a driving elastic sleeve of a feeder, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a feeder transmission elastic sleeve protection device, includes spring housing and holding ring, the outside of spring housing one end is equipped with the holding ring, the inside of spring housing is equipped with the transmission shaft, the spring housing is kept away from and is equipped with lock nut on the transmission shaft of holding ring one end, the outside of spring housing is equipped with thrust bearing, be equipped with thrust aligning roller bearing between thrust bearing and the holding ring, be equipped with spherical roller bearing on the transmission shaft of holding ring one end, spherical roller bearing's outside is equipped with the bearing housing, the outside of bearing housing is equipped with the bearing frame, one side and the thrust bearing of bearing frame are connected.

Preferably, the spring housing is cylindrical structure setting, the inside that the support ring one end was kept away from to the spring housing is equipped with the ladder portion, the surface of the inside spring housing one end of support ring is equipped with the arch, there is not a long hole in the middle of the spring housing of cooperation position to be equipped with round, the spring housing adopts high carbon low alloy material.

Preferably, the circumference surface of the bearing sleeve is provided with a long groove, a second long hole penetrating through the bearing sleeve is arranged in the middle of the long groove, one side of the bearing sleeve is provided with four convex keys, the four convex keys are uniformly distributed at equal intervals, and the second long hole on the bearing sleeve is correspondingly arranged with the spherical roller bearing outer ring lubrication groove.

Preferably, the outer side of the thrust bearing seat is fixed on the bearing seat in a circle, a key groove is arranged on the inner side of the thrust bearing seat, the key groove on the inner side of the thrust bearing seat is matched and clamped with a convex key on the bearing sleeve, and four through holes distributed at equal intervals are formed in the circumference of the thrust bearing seat.

Preferably, the bearing seat is fixed on the transmission shell, and a third long hole is arranged below the bearing seat.

Preferably, the inner ring of the supporting ring is matched with the spring sleeve in a stepped mode, and the outer side of the supporting ring is matched with the inner ring of the bearing.

Preferably, a gap exists between the spring housing and the drive shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. this feeder transmission elastic sleeve protection device, through spring housing and the supporting ring that set up, elastic sleeve has great tensile strength, receives axial impact force, retrains elastic deformation, has improved axial bearing performance, retrains the supporting ring and takes place axial displacement, makes the transmission assembly can be when bearing constantly impact load steady operation, increases transmission assembly life cycle.

2. This feeder transmission elastic sleeve protection device has increased the inside fluid filtration circulation of bearing through the bearing housing oilhole oil groove that sets up, makes the inside impurity discharge of bearing, has increased bearing lubrication efficiency, and No. three slot holes below the bearing frame increase drive chamber fluid circulation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a transmission shaft according to the present utility model;

FIG. 3 is a schematic view of the spring case of the present utility model;

FIG. 4 is a schematic view of a support ring according to the present utility model;

FIG. 5 is a schematic view of a bearing housing according to the present utility model;

FIG. 6 is a schematic view of the structure of the boss key of the present utility model;

fig. 7 is a schematic structural view of a thrust bearing seat according to the present utility model.

In the figure: 1. a spring sleeve; 1-1, a step part; 1-2, bulges; 1-3, a first long hole; 2. a support ring; 3. a transmission shaft; 4. a lock nut; 5. a thrust bearing seat; 5-1, key slot; 5-2, through holes; 6. a thrust self-aligning roller bearing; 7. spherical roller bearings; 8. a bearing sleeve; 8-1, long grooves; 8-2, a second long hole; 8-3, a convex key; 9. a bearing seat; 9-1, slot number three.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1 to 7, the feeder transmission elastic sleeve protection device of the embodiment comprises a spring sleeve 1 and a supporting ring 2, wherein the supporting ring 2 is arranged on the outer side of one end of the spring sleeve 1, a transmission shaft 3 is arranged in the spring sleeve 1, a lock nut 4 is arranged on the transmission shaft 3 of one end of the spring sleeve 1, which is far away from the supporting ring 2, a thrust bearing seat 5 is arranged on the outer side of the spring sleeve 1, a thrust aligning roller bearing 6 is arranged between the thrust bearing seat 5 and the supporting ring 2, a spherical roller bearing 7 is arranged on the transmission shaft 3 of one end of the supporting ring 2, a bearing sleeve 8 is arranged on the outer side of the spherical roller bearing 7, a bearing seat 9 is arranged on the outer side of the bearing sleeve 8, one side of the bearing seat 9 is connected with the thrust bearing seat 5, and the problems of bearing damage and bearing lubrication bad abrasion caused by axial large impact load are solved.

Specifically, the spring housing 1 is in a cylindrical structure, the inside of one end of the spring housing 1, which is far away from the supporting ring 2, is provided with the step part 1-1, the outer surface of one end of the spring housing 1 inside the supporting ring 2 is provided with the bulge 1-2, the middle of the spring housing 1 is provided with a circle of long holes 1-3 without matching, the spring housing 1 is made of high-carbon low-alloy materials, the toughness and the wear resistance are higher, and the service life of the spring housing is prolonged.

Further, the circumference outer surface of the bearing sleeve 8 is provided with a long groove 8-1, a second long hole 8-2 penetrating through the bearing sleeve 8 is arranged in the middle of the long groove 8-1, four convex keys 8-3 are arranged on one side of the bearing sleeve 8 and are uniformly distributed at equal intervals, the convex keys 8-3 are matched with the thrust bearing seat to prevent the thrust bearing seat from rotating, the second long hole 8-2 on the bearing sleeve 8 is correspondingly arranged with an outer ring lubrication groove of the spherical roller bearing 7, and impurities in lubricating oil are guaranteed to be discharged and circulated from the lubrication groove through the second long hole 8-2 of the bearing sleeve 8.

Further, the outer side of the thrust bearing seat 5 is fixed on the bearing seat 9 in a circle, the inner side of the thrust bearing seat 5 is provided with a key groove 5-1, the key groove 5-1 on the inner side of the thrust bearing seat 5 is matched and clamped with a convex key 8-3 on the bearing sleeve 8, four through holes 5-2 distributed at equal intervals are formed in the circumference of the thrust bearing seat 5, and oil entering the thrust bearing seat 5 is guaranteed to circulate through holes below the through holes.

Further, the bearing seat 9 is fixed on the transmission housing, and a third long hole 9-1 is arranged below the bearing seat 9 to ensure that lubricating oil on the left side and lubricating oil on the right side of the bearing seat 9 circulate.

Furthermore, the inner ring of the supporting ring 2 is matched with the spring sleeve 1 in a step shape, the outer side of the supporting ring 2 is matched with the inner ring of the bearing, the inner ring of the supporting ring 2 is clamped and compact with the spring sleeve 1, and the outer ring of the supporting ring 2 limits the bearing to generate axial displacement.

Furthermore, a gap exists between the spring housing 1 and the transmission shaft 3, so that the spring housing 1 is allowed to elastically deform, thereby reducing the fatigue period of the spring housing 1 in the coaxial rotation process and increasing the service period.

The application method of the embodiment is as follows: the support ring 2 is arranged on the spring sleeve 1, the lock nut 4 is locked to enable the elastic sleeve to axially displace, the thrust aligning roller bearing 6 is arranged on the support ring 2, the thrust bearing 5 limits the displacement of the thrust aligning roller bearing, the spring sleeve 1 has better ductility and tensile strength when being subjected to the axial load of the transmission shaft 3, the support of the support ring 2 enables the spring sleeve 1 to reach or exceed the axial load, a gap exists between the spring sleeve 1 and the transmission shaft 3, the spring sleeve 1 is allowed to elastically deform, so that the fatigue period of the spring sleeve 1 in the coaxial rotation process is reduced, the service period is prolonged, and even if the axial impact load of the transmission shaft 3 is larger than the tensile strength of the spring sleeve 1, the spring sleeve 1 is subjected to the axial force and the rotation force to cause the middle to break, and the support ring 2 is subjected to the axial load at the moment, so that the larger loss is reduced. In the installation process of the bearing sleeve 8 and the bearing seat 9, oil holes and oil grooves are required to be installed at the lowest part, and the second long holes 8-2 on the bearing sleeve 8 are correspondingly installed with the lubrication grooves on the spherical roller bearing 7.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a feeder transmission elastic tube protection device, includes spring housing (1) and support ring (2), its characterized in that: the outside of spring housing (1) one end is equipped with supporting ring (2), the inside of spring housing (1) is equipped with transmission shaft (3), be equipped with lock nut (4) on transmission shaft (3) of supporting ring (2) one end is kept away from to spring housing (1), the outside of spring housing (1) is equipped with thrust bearing seat (5), be equipped with thrust aligning roller bearing (6) between thrust bearing seat (5) and supporting ring (2), be equipped with spherical roller bearing (7) on transmission shaft (3) of supporting ring (2) one end, the outside of spherical roller bearing (7) is equipped with bearing housing (8), the outside of bearing housing (8) is equipped with bearing frame (9), one side of bearing frame (9) is connected with thrust bearing seat (5).

2. A feeder drive elastomeric sleeve protection apparatus as defined in claim 1, wherein: the spring sleeve (1) is in a cylindrical structure, a step part (1-1) is arranged in the spring sleeve (1) far away from one end of the supporting ring (2), a bulge (1-2) is arranged on the outer surface of one end of the spring sleeve (1) in the supporting ring (2), a circle of long holes (1-3) are formed in the middle of the spring sleeve (1) in a non-matching mode, and the spring sleeve (1) is made of high-carbon low-alloy materials.

3. A feeder drive elastomeric sleeve protection apparatus as defined in claim 1, wherein: the novel ball bearing is characterized in that a long groove (8-1) is formed in the circumferential outer surface of the bearing sleeve (8), a second long hole (8-2) penetrating through the bearing sleeve (8) is formed in the middle of the long groove (8-1), four convex keys (8-3) are arranged on one side of the bearing sleeve (8), the four convex keys (8-3) are uniformly distributed at equal intervals, and the second long hole (8-2) on the bearing sleeve (8) is correspondingly arranged with an outer ring lubrication groove of the spherical roller bearing (7).

4. A feeder drive elastomeric sleeve protection device as defined in claim 3, wherein: the outer side of the thrust bearing seat (5) is fixed on the bearing seat (9) in a circle, a key groove (5-1) is formed in the inner side of the thrust bearing seat (5), the key groove (5-1) in the inner side of the thrust bearing seat (5) is matched and clamped with a convex key (8-3) on the bearing sleeve (8), and four through holes (5-2) distributed at equal intervals are formed in the circumference of the thrust bearing seat (5).

5. A feeder drive elastomeric sleeve protection apparatus as defined in claim 1, wherein: the bearing seat (9) is fixed on the transmission shell, and a third long hole (9-1) is arranged below the bearing seat (9).

6. A feeder drive elastomeric sleeve protection apparatus as defined in claim 1, wherein: the inner ring of the supporting ring (2) is matched with the spring sleeve (1) in a stepped mode, and the outer side of the supporting ring (2) is matched with the inner ring of the bearing.

7. A feeder drive elastomeric sleeve protection apparatus as defined in claim 1, wherein: a gap exists between the spring sleeve (1) and the transmission shaft (3).