CN222458145U

CN222458145U - Overrunning thruster

Info

Publication number: CN222458145U
Application number: CN202421465000.4U
Authority: CN
Inventors: 刘正富; 倪元喜; 孙秀丽; 李殿华
Original assignee: Lingyuan Iron and Steel Co Ltd
Current assignee: Lingyuan Iron and Steel Co Ltd
Priority date: 2024-06-25
Filing date: 2024-06-25
Publication date: 2025-02-11
Anticipated expiration: 2034-06-25

Abstract

The utility model discloses an overrunning thruster, which comprises a ring body, wherein a plurality of inclined grooves are distributed on the inner periphery of the ring body, rollers coaxial with the ring body are arranged in the inclined grooves, the side walls of the rollers are exposed out of the inclined grooves, the inclined grooves extrude the rollers to hold a shaft column when the ring body rotates, one end of a driving sleeve is sleeved on the ring body, the driving sleeve is axially and slidably connected with the ring body, an annular groove is arranged at one end of the driving sleeve, which is close to the ring body, the driving ring is rotatably connected in the annular groove, an inclined table is arranged at one end of the driving ring, which is close to the ring body, a protruding part matched with the inclined table is arranged at the end of the ring body, the inclined table and the protruding part form a cam or ratchet structure, the overrunning thruster forms a locking shaft column (when the ring body rotates, the rollers are driven to move to extrude the shaft column), and meanwhile, the driving ring and the protruding part form a cam or ratchet structure, so that the driving sleeve axially moves to extrude and install a bearing.

Description

Overrunning thruster

Technical Field

The utility model belongs to the technical field of bearing installers, and particularly relates to an overrunning thruster.

Background

When the bearing is installed, especially when the inner ring and the outer ring are installed simultaneously, a double-layer sleeve is commonly used for pressing the inner ring and the outer ring of the bearing respectively, and then the bearing is installed by a knocking method.

The manual knocking installation mode generally has the problems of low installation accuracy and bearing damage. When the bearing is knocked, only one point is knocked, so that uneven stress of the bearing can be caused, and even if two workers knock the bearing at the same time, the problem of uneven stress can be caused, so that the bearing is damaged.

Therefore, there is a need for an apparatus assisting a worker capable of uniformly applying force to install a bearing.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art, and provides an overrunning thruster which solves the problems that the existing bearing is uneven in mounting stress, laborious to mount and easy to damage.

In order to achieve the above object, the present utility model provides an overrunning thruster, comprising:

The ring body is provided with a plurality of inclined grooves on the inner periphery, rollers coaxial with the ring body are arranged in the inclined grooves, the side walls of the rollers are exposed out of the inclined grooves, and when the ring body rotates, the inclined grooves squeeze the rollers to hold the shaft column tightly;

The driving sleeve is sleeved on the ring body at one end, and is axially and slidably connected with the ring body;

The driving ring, the driving sleeve is close to the one end of the circle body is provided with the annular, the driving ring rotates to be connected in the annular, the driving ring is close to the one end of the circle body is provided with the sloping platform, the tip of the circle body be provided with sloping platform matched with bellying, the sloping platform with the bellying constitutes cam or ratchet structure.

Optionally, both ends of the roller are respectively exposed to the ring body, and the ring body comprises:

The inner periphery of the ring body is provided with a plurality of inclined edges with triangular sections, and two adjacent inclined edges form the chute with a right trapezoid section;

The outer pressing plate is arranged at one end of the ring body and is provided with an outer guide groove matched with the exposed end of the roller;

the inner pressure plate is arranged at the other end of the ring body and is provided with an inner guide groove matched with the exposed end of the roller.

Optionally, the protruding portion includes a plurality of hemispherical protruding points, and the protruding points are disposed on the inner pressing plate.

Optionally, a handle is provided on the outer periphery of the ring body.

Optionally, the device further comprises a driving rod, a through groove is formed in the side wall of the annular groove, a driving hole is formed in the periphery of the driving ring, and one end of the driving rod penetrates through the through groove and is detachably connected with the driving hole.

Optionally, a resilient member is included for providing a force to urge the drive ring closer to the boss.

Optionally, a rotating bearing is further arranged in the ring groove, and two ends of the rotating bearing are respectively connected with the driving ring and the elastic component.

Optionally, the elastic component is disposed in the ring groove, and two ends of the elastic component are respectively connected with the rotating bearing and the bottom of the ring groove.

Optionally, the resilient member includes a first spring coil coaxial with the coil body.

Optionally, the resilient member includes a plurality of circumferentially distributed secondary coils.

The utility model provides an overrunning thruster, which has the beneficial effects that:

The overrunning thruster is characterized in that the overrunning structure locking shaft column is formed by the inclined groove matching and the rollers arranged in the ring body (the inclined groove drives the rollers to move to squeeze the holding shaft column when the ring body rotates), and meanwhile, the driving ring and the protruding part form a cam or ratchet wheel structure, so that the driving sleeve axially moves to squeeze the mounting bearing.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.

Fig. 1 shows a schematic structural view of an overrunning thruster according to an embodiment of the present utility model.

Fig. 2 shows a schematic view of the structure of the chute of the overrunning thruster according to an embodiment of the present utility model.

Fig. 3 shows a schematic structural view of the drive ring of the overrunning thruster according to one embodiment of the present utility model.

Reference numerals illustrate:

1. The device comprises a ring body, 2, a chute, 3, a roller, 4, a driving sleeve, 5, a driving ring, 6, a protruding part, 7, a through groove, 8, a driving hole, 9, an elastic component and 10, and a rotating bearing.

Detailed Description

Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

As shown in fig. 1-3, an overrunning thruster, comprising:

the ring body 1, the inner circumference of the ring body 1 is distributed with a plurality of chute 2, the chute 2 is internally provided with a roller 3 coaxial with the ring body 1, the side wall of the roller 3 is exposed out of the chute 2, and when the ring body 1 rotates, the chute 2 extrudes the roller 3 to hug the shaft column;

The driving sleeve 4 is sleeved on the ring body 1 at one end of the driving sleeve 4, and the driving sleeve 4 is axially and slidably connected with the ring body 1;

The driving ring 5, the one end that the driving cover 4 is close to the circle body 1 is provided with the annular, and driving ring 5 rotates to be connected in the annular, and the one end that driving ring 5 is close to the circle body 1 is provided with the sloping platform, and the tip of circle body 1 is provided with the bellying 6 with sloping platform matched with, and sloping platform and bellying 6 constitute cam or ratchet structure.

Specifically, through setting up chute 2 cooperation and roller 3 in the circle body 1 and constituting the locking shaft post of surpassing formula structure (chute 2 drive roller 3 motion extrusion holding shaft post when the circle body 1 rotates), drive ring 5 and bellying 6 constitute cam or ratchet structure simultaneously, and then make the axial motion extrusion installation bearing of drive sleeve 4.

In this embodiment, the two ends of the roller 3 are exposed to the ring body 1, and the ring body 1 includes:

The inner periphery of the ring body is provided with a plurality of inclined ribs with triangular sections, and two adjacent inclined ribs form a chute 2 with a right trapezoid section;

The outer pressing plate is arranged at one end of the ring body and is provided with an outer guide groove matched with the exposed end of the roller 3;

The inner pressure plate is arranged at the other end of the ring body and is provided with an inner guide groove matched with the exposed end of the roller 3.

Specifically, the movement locus of the roller 3 is guided and restricted by the inner guide groove and the outer guide groove.

In this embodiment, the boss 6 includes a plurality of hemispherical bumps, which are provided on the inner platen.

Specifically, the driving sleeve 4 is axially moved by the cooperation of the protruding points and the inclined table.

In the present embodiment, the outer periphery of the ring body 1 is provided with a handle.

Specifically, the ring body 1 is conveniently carried and driven to rotate by the handle.

In this embodiment, the device further comprises a driving rod, the side wall of the ring groove is provided with a through groove 7, the periphery of the driving ring 5 is provided with a driving hole 8, and one end of the driving rod penetrates through the through groove 7 to be detachably connected with the driving hole 8.

Specifically, the driving ring 5 is driven to rotate by connecting the driving rod to the driving hole 8.

Further, one of the driving levers is provided with a triangular force application portion.

In this embodiment, a resilient member 9 is also included for providing a force to urge the drive ring 5 toward the boss 6.

In particular, contact between the ramp and the boss 6 is ensured by the resilient member 9.

In this embodiment, a rotary bearing 10 is further disposed in the ring groove, and two ends of the rotary bearing 10 are respectively connected with the driving ring 5 and the elastic component 9.

Specifically, the rotational force is counteracted by the rotational bearing 10, so that the drive sleeve 4 is moved only axially.

In this embodiment, the elastic component 9 is disposed in the annular groove, and two ends of the elastic component are respectively connected with the rotating bearing 10 and the bottom of the annular groove.

In particular, the resilient member 9 simultaneously prevents the rotation bearing 10 from being scattered and also prevents the resilient member 9 from being subjected to a rotational force.

In this embodiment, the resilient member 9 comprises a first spring coil coaxial with the coil body 1.

Specifically, a spring ring with a large diameter is used as the elastic component 9, so that the elasticity is uniform.

In this embodiment, the resilient member 9 comprises a plurality of circumferentially distributed secondary coils.

In particular, the plurality of small-diameter spring rings are used as the elastic component 9 together, so that the maintenance is convenient.

When the overrunning thruster is used, the equipment needs to be replaced on line due to the damage of the bearing, and when other parts of the equipment cannot be disassembled due to the structural or operation limitation, only one part of shaft ends of shaft posts for installing the bearing are exposed, and the outer ring of the bearing also needs to be synchronously installed in a frame of the equipment for use;

The thruster is sleeved on the shaft post, the ring body 1 is rotated, and the chute 2 drives the roller 3 to move to press and hold the shaft post when the ring body 1 rotates;

The drive ring 5 is then rotated and the ramp and boss 6 contact the drive sleeve 4 for axial movement, thereby compressing the bearing mount.

The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.

Claims

1. An overrunning type thruster is provided, which comprises a main body, characterized by comprising the following steps:

2. The overrunning thruster of claim 1, wherein the two ends of the roller are respectively exposed to the ring body, the ring body comprises:

3. The overrunning thruster of claim 2, wherein the boss comprises a plurality of hemispherical bumps disposed on the inner platen.

4. The overrunning thruster of claim 1, wherein the outer circumference of the collar is provided with a handle.

5. The overrunning thruster of claim 1, further comprising a drive rod, wherein a through groove is provided on the side wall of the ring groove, a drive hole is provided on the periphery of the drive ring, and one end of the drive rod passes through the through groove and is detachably connected with the drive hole.

6. The overrunning thruster of claim 1, further comprising a resilient member for providing a force that urges the drive ring closer to the boss.

7. The overrunning thruster of claim 6, wherein a swivel bearing is further disposed in the circumferential groove, and two ends of the swivel bearing are respectively connected to the drive ring and the elastic member.

8. The overrunning thruster of claim 7, wherein the resilient member is disposed in the circumferential groove and has two ends connected to the rotary bearing and the groove bottom of the circumferential groove, respectively.

9. The overrunning thruster of claim 8, wherein the resilient member comprises a first spring coil coaxial with the coil body.

10. The overrunning thruster of claim 8, wherein the resilient member comprises a plurality of circumferentially distributed secondary coils.