CN210889754U

CN210889754U - Shaft sleeve of conveyor

Info

Publication number: CN210889754U
Application number: CN201921983034.1U
Authority: CN
Inventors: 仇继陆
Original assignee: Huai'an Guangjian Nylon Products Co ltd
Current assignee: Huai'an Guangjian Nylon Products Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-06-30
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a relate to conveyer shaft sleeve technical field specifically is a conveyer shaft sleeve, including the axle sleeve body, the axle sleeve body comprises the semi-annular structure of two sets of symmetries, and the position homogeneous body that two sets of semi-annular structures laminated mutually is provided with the closing plate, and the outside of closing plate is provided with the mounting plate of two sets of symmetries, and the integrative tip that sets up at semi-annular structure of mounting plate. In the utility model, the shaft sleeve body is arranged into two semi-annular structures, the clamping block is directly sleeved to realize transmission on the rotating shaft, and the adjustable and compressed limiting nut is arranged between the two semi-annular structures, so that the gap is not easy to appear when the shaft sleeve body is connected with the rotating shaft, the connecting structures of the two semi-annular structures are stable, the shaft sleeve body is not easy to shake during transmission, the abrasion is reduced, and the service life of the equipment is prolonged; the utility model discloses be provided with the seal groove in the inside shaft hole of well axle sleeve body, the sealing washer that the mountable matches with it for its gap department is difficult for advancing ash etc. and causes serious wear when axle sleeve body and pivot are connected.

Description

Shaft sleeve of conveyor

Technical Field

The utility model relates to a conveyer axle sleeve technical field specifically is a conveyer axle sleeve.

Background

The shaft sleeve of the conveyor is a cylindrical mechanical part sleeved on the rotating shaft and is a component of a sliding bearing. Generally, the shaft sleeve and the bearing seat adopt interference fit, and the shaft adopts clearance fit, but the following defects still exist in the actual use process:

among the prior art, often direct cover is established between conveyer axle sleeve and the pivot and is realized the transmission through screw fastening or spline and keyway connection, but this kind of connected mode need leave certain installation clearance for between conveyer axle sleeve and the pivot, nevertheless can lead to the connection structure between conveyer axle sleeve and the pivot unstable, has installation clearance between the two, rocks etc. during the transmission easily, and wearing and tearing are higher, reduce its life.

To this end, we propose a conveyor sleeve to solve the above drawbacks well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveyer axle sleeve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a conveyer axle sleeve, includes the axle sleeve body, the axle sleeve body comprises the semi-annular structure of two sets of symmetries, and the position homogeneous body that two sets of semi-annular structures laminated mutually is provided with the closing plate, the outside of closing plate is provided with the mounting plate of two sets of symmetries, the integrative tip that sets up at the semi-annular structure of mounting plate is fixed through the threaded rod between the mounting plate of two sets of symmetries, the inside formation shaft hole of axle sleeve body is provided with spline groove and seal groove in the inner wall in shaft hole.

Preferably, a rubber strip is fixedly arranged on the sealing plate at the end part of one group of semi-ring structures, a clamping groove is formed in the sealing plate at the end part of the other group of semi-ring structures, and when the two groups of sealing plates are attached to each other, the rubber strip is clamped in the clamping groove in a sealing mode.

Preferably, the fastening plate is of a rectangular plate-shaped structure, the height of the fastening plate is greater than that of the sealing plate, and the threaded rod connected to the fastening plate is located on one side, far away from the shaft sleeve body, of the sealing plate.

Preferably, the threaded rod simultaneously moves and passes two sets of mounting plates and sets up, and the both ends tip of threaded rod all is connected with stop nut through screw-thread fit, stop nut activity laminating is in the mounting plate one side of keeping away from the closing plate.

Preferably, four groups of spline grooves are arranged in a groove body structure with a semicircular section, and the four groups of spline grooves are distributed on the inner wall of the shaft hole in a circular array shape.

Preferably, the seal groove is provided with two sets ofly, and the degree of depth of two sets of seal grooves is five millimeters, and two sets of seal grooves set up the both ends in the shaft hole respectively, the orbit of seal groove sets up along the inner wall in spline groove and shaft hole.

Preferably, an outer heat dissipation hole is formed in the outer ring of the shaft sleeve body, and the depth of the outer heat dissipation hole is half of the wall thickness of the shaft sleeve body.

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

1. in the utility model, the shaft sleeve body is arranged into two semi-annular structures, the clamping block is directly sleeved to realize transmission on the rotating shaft, and the adjustable and compressed limiting nut is arranged between the two semi-annular structures, so that the gap is not easy to appear when the shaft sleeve body is connected with the rotating shaft, the connecting structures of the two semi-annular structures are stable, the shaft sleeve body is not easy to shake during transmission, the abrasion is reduced, and the service life of the equipment is prolonged;

2. the shaft hole in the middle shaft sleeve body is provided with the sealing groove, and the sealing ring matched with the sealing groove can be installed, so that the gap between the shaft sleeve body and the rotating shaft is not easy to be seriously abraded due to dust entering and the like when the shaft sleeve body is connected with the rotating shaft;

3. the utility model discloses be provided with the spline groove that four groups of circular arrays distribute in the shaft hole, holistic stress distribution is even when connecting the spline, and wearing and tearing are less during transmission power.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: the shaft sleeve comprises a shaft sleeve body 1, a fastening plate 2, a sealing plate 3, a threaded rod 4, a limiting nut 5, an outer heat dissipation hole 6, a shaft hole 7, a spline groove 8, a sealing groove 9, a rubber strip 10 and a clamping groove 11.

Detailed Description

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 to 4, the present invention provides a technical solution: a conveyor shaft sleeve comprises a shaft sleeve body 1, wherein an outer heat dissipation hole 6 is formed in the outer ring of the shaft sleeve body 1, the depth of the outer heat dissipation hole 6 is half of the wall thickness of the shaft sleeve body 1, the outer heat dissipation hole 6 has a certain heat dissipation effect, the contact area between the outer surface of the shaft sleeve body 1 and air is increased, and the cooling area is increased;

the shaft sleeve body 1 is composed of two groups of symmetrical semi-annular structures, sealing plates 3 are arranged at the positions where the two groups of semi-annular structures are attached to each other in a whole body mode, rubber strips 10 are fixedly arranged on the sealing plates 3 at the end portions of one group of semi-annular structures, clamping grooves 11 are formed in the sealing plates 3 at the end portions of the other group of semi-annular structures, when the two groups of sealing plates 3 are attached to each other, the rubber strips 10 are clamped in the clamping grooves 11 in a sealing mode, and the sealing performance is;

two groups of symmetrical fastening plates 2 are arranged on the outer side of the sealing plate 3, the fastening plates 2 are in rectangular plate-shaped structures, the height of the fastening plates 2 is greater than that of the sealing plate 3, threaded rods 4 connected to the fastening plates 2 are located on one side, far away from the shaft sleeve body 1, of the sealing plate 3, and the sealing plate 3 has the function of further sealing two groups of semi-ring structures;

the fastening plates 2 are integrally arranged at the end parts of the semi-annular structures, the two symmetrical fastening plates 2 are fixed through threaded rods 4, the threaded rods 4 simultaneously and movably penetrate through the two fastening plates 2, the end parts of the two ends of the threaded rods 4 are respectively connected with limiting nuts 5 through thread matching, the limiting nuts 5 are movably attached to one surfaces, far away from the sealing plate 3, of the fastening plates 2, the limiting nuts 5 fasten the two fastening plates 2 and drive the two sets of semi-annular structures to be compressed, so that gaps are not prone to appear when the shaft sleeve body 1 is connected with the rotating shaft, and the connecting structure is stable;

a shaft hole 7 is formed inside the sleeve body 1, and a spline groove 8 and a seal groove 9 are provided in the inner wall of the shaft hole 7.

The spline grooves 8 are of a groove body structure with the cross section being semicircular, four groups of spline grooves 8 are distributed on the inner wall of the shaft hole 7 in a circular array mode, stress is distributed evenly when spline grooves 8 are connected for transmission, the service life of equipment is prolonged, and stress damage is reduced.

And seal groove 9 is provided with two sets ofly, and the degree of depth of two sets of seal grooves 9 is five millimeters, and two sets of seal grooves 9 set up respectively at the both ends of shaft hole 7, and spline groove 8 and shaft hole 7's inner wall setting are followed to the orbit of seal groove 9, and seal groove 9 structural design is reasonable, and gap department between them is sealed complete when can be good connecting axle sleeve body 1 and pivot.

The working principle is as follows: the shaft sleeve comprises a shaft sleeve body 1, wherein the shaft sleeve body is provided with two groups of semi-annular structures, the two groups of semi-annular structures are directly sleeved and clamped on a rotating shaft to realize transmission, a limiting nut 5 capable of adjusting compression is arranged between the two groups of semi-annular structures, when the limiting nut 5 is screwed down, fastening plates 2 on two sides can be close to each other to drive the two groups of semi-annular structures to compress tightly, so that a gap is not easy to appear when the shaft sleeve body 1 is connected with the rotating shaft, the connecting structure of the two semi-annular structures is stable, the shaft; sealing grooves 9 are arranged in the shaft hole 7 in the shaft sleeve body 1, sealing rings matched with the sealing grooves can be arranged in the two groups of sealing grooves 9, and two ends of the shaft hole 7 are sealed, so that the gap between the shaft sleeve body 1 and the rotating shaft is not easy to be seriously abraded due to dust and the like when the shaft sleeve body is connected with the rotating shaft; four groups of spline grooves 8 distributed in a circular array are arranged in the shaft hole 7, splines matched with the shaft hole are integrally arranged on the rotating shaft, the cross section of each spline groove 8 is semicircular, integral stress is uniformly distributed when the splines are connected, and abrasion is small when power is transmitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a conveyer axle sleeve, includes axle sleeve body (1), its characterized in that: the utility model discloses a sealing structure, including axle sleeve body (1), the position homogeneous body that two sets of semi-ring structures laminated mutually is provided with closing plate (3), the outside of closing plate (3) is provided with mounting plate (2) of two sets of symmetries, mounting plate (2) an organic whole sets up the tip at the semi-ring structure, and is fixed through threaded rod (4) between mounting plate (2) of two sets of symmetries, the inside formation shaft hole (7) of axle sleeve body (1), is provided with spline groove (8) and seal groove (9) in the inner wall of shaft hole (7).

2. A conveyor bushing according to claim 1, wherein: the sealing plate (3) at the end part of one group of semi-ring structures is fixedly provided with a rubber strip (10), the sealing plate (3) at the end part of the other group of semi-ring structures is provided with a clamping groove (11), and when the two groups of sealing plates (3) are attached to each other, the rubber strip (10) is clamped in the clamping groove (11) in a sealing manner.

3. A conveyor bushing according to claim 1, wherein: the fastening plate (2) is of a rectangular plate-shaped structure, the height of the fastening plate (2) is larger than that of the sealing plate (3), and the threaded rod (4) connected to the fastening plate (2) is located on one side, far away from the shaft sleeve body (1), of the sealing plate (3).

4. A conveyor bushing according to claim 3, wherein: threaded rod (4) activity simultaneously passes two sets of mounting plate (2) settings, and the both ends tip of threaded rod (4) all is connected with stop nut (5) through screw-thread fit, stop nut (5) activity laminating is kept away from the one side of closing plate (3) in mounting plate (2).

5. A conveyor bushing according to claim 1, wherein: the spline grooves (8) are of groove body structures with semicircular sections, four groups of spline grooves are arranged, and the four groups of spline grooves (8) are distributed on the inner wall of the shaft hole (7) in a circular array shape.

6. A conveyor bushing according to claim 1, wherein: the sealing groove (9) is provided with two sets, and the degree of depth of two sets of sealing grooves (9) is five millimeters, and two sets of sealing grooves (9) set up respectively at the both ends in shaft hole (7), the inner wall setting in spline groove (8) and shaft hole (7) is followed in the orbit of sealing groove (9).

7. A conveyor bushing according to claim 1, wherein: the outer ring of the shaft sleeve body (1) is provided with an outer heat dissipation hole (6), and the depth of the outer heat dissipation hole (6) is half of the wall thickness of the shaft sleeve body (1).