CN217029687U

CN217029687U - Anti-drop main shaft bushing

Info

Publication number: CN217029687U
Application number: CN202220998531.4U
Authority: CN
Inventors: 栾金泉
Original assignee: Jiangsu Bofang New Energy Technology Co ltd
Current assignee: Jiangsu Bofang New Energy Technology Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-07-22
Anticipated expiration: 2032-04-26

Abstract

The utility model provides an anti-drop main shaft bushing which is arranged in a bushing seat and comprises two half shaft bushings, wherein the two half shaft bushings have the same structure and are in a semicircular ring shape; the half shaft bushing includes a body; the shoulder baffle ring is fixedly arranged at one end of the body; the shoulder baffle rings of the two half shaft bushings are respectively positioned on two sides of the bushing seat and are abutted against the bushing seat so as to limit the half shaft bushings from axially moving in the bushing seat. The anti-drop main shaft bushing provided by the utility model is a main shaft bushing with double-shoulder retaining rings, which is formed by splicing and assembling two half shaft bushings only with single-shoulder retaining rings, and the design effectively solves the problem that the production cost of the half shaft bushing is increased due to the adoption of the double-shoulder half shaft bushing in the prior art. And through the design to body concatenation end structure, improved the support stability of anticreep main shaft bush to the main shaft.

Description

Anti-drop main shaft bushing

Technical Field

The utility model relates to the technical field of photovoltaics, in particular to an anti-falling main shaft bushing for a photovoltaic support.

Background

In order to realize the rotation of the spindle on the column, a spindle bushing and a bushing seat are usually required to be disposed on the column, so that the spindle passes through the spindle bushing and forms a rotating fit with the bushing seat. Since the photovoltaic system is generally used outdoors, the main shaft and the main shaft bushing need to bear a certain load, and the main shaft bushing on the main shaft is easy to age and wear under the harsh working environment in the field. Therefore, the main shaft bushing is generally made of an engineering plastic material with high structural strength, self-lubricating capability and aging resistance, and is designed into a two-half combination mode so as to be convenient to install.

The existing photovoltaic support main shaft bushing, like Chinese patent 202122993059.3, provides a combination bearing, which comprises two half shaft bushings, wherein the front side and the rear side of a half shaft bushing body are both provided with shoulder retaining rings, so that the problems that the transportation cost is increased, the field installation workload is large, the construction period is prolonged and the like due to the fact that the parts are made of materials because the shoulder retaining rings are arranged on the same side of the common combination type main shaft bushing are solved. And the fracture edge of the half shaft bushing body of the combined bearing adopts a stepped and inclined structure which is mutually matched in a staggered way, so that the problem that the common combined main shaft bushing cannot stably support a main shaft can be solved. However, the two half shaft bushings of the combined bearing adopt the design of the double-side shoulder baffle rings, and compared with the conventional combined main shaft bushing, the combined bearing can avoid the use of baffles, but increases the production materials of the half shaft bushings, and virtually increases the production cost of the half shaft bushings.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides an anti-falling main shaft bushing for a photovoltaic support, which adopts the design that two single-shoulder half shaft bushings are assembled to form a double-shoulder main shaft bushing, so that the main shaft bushing is prevented from sliding out of a bushing seat when in use and stably supports a main shaft while the production cost is not increased.

In order to achieve the above objects and other objects, the present invention is achieved by the following technical solutions: the anti-falling main shaft bushing is arranged in a bushing seat and comprises two half shaft bushings, the two half shaft bushings are identical in structure, and the half shaft bushings are semicircular and annular, and the anti-falling main shaft bushing is characterized by comprising a body; the shoulder baffle ring is fixedly arranged at one end of the body; the shoulder baffle rings of the two half shaft bushings are respectively positioned on two sides of the bushing seat and are abutted against the bushing seat so as to limit the half shaft bushings from axially moving in the bushing seat.

In one embodiment, the shoulder ring has an inner diameter equal to the inner diameter of the body and an outer diameter greater than the outer diameter of the body.

Further, the body and the shoulder ring are integrally formed.

In one embodiment, the splicing end of the body is of an inclined plane structure, and the side surface of the body is in a trapezoidal expanded projection.

Further, the shoulder retaining ring is fixedly arranged at the inferior arc end of the body, so that after the two half shaft bushings are assembled and installed in the bushing seats, the butt inclined surfaces of the two half shaft bushings are mutually abutted to limit the half shaft bushings to move towards the shoulder retaining ring of the other half shaft bushing.

In one embodiment, the splicing end of the body is of a step-shaped structure, and the step-shaped structures of the splicing ends on the two sides of the body are complementary.

In one embodiment, a convex part is arranged at the middle of the splicing end on one side of the body, a concave part is arranged at the middle of the splicing end on the other side of the body, and the convex part and the concave part are complementary in structure.

The anti-drop main shaft bushing provided by the utility model is a main shaft bushing with double-shoulder retaining rings, which is formed by splicing and assembling two half shaft bushings only with single-shoulder retaining rings, and the design effectively solves the problem that the production cost of the half shaft bushing is increased due to the adoption of the double-shoulder half shaft bushing in the prior art. And through the design to body concatenation end structure, improved the support stability of anticreep main shaft bush to the main shaft.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of an anti-drop main shaft bushing according to the utility model.

Fig. 2 is a schematic structural view showing a half shaft bushing according to a first embodiment of the present invention.

Fig. 3A is a schematic structural view of an anti-drop main shaft bushing according to a second embodiment of the present invention.

Fig. 3B is a schematic structural view of a third embodiment of an anti-slip spindle bushing according to the utility model.

Fig. 4 is a schematic view showing a state of the present invention in use.

Detailed Description

Please refer to fig. 1 to 4. The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It should be understood that the terms "front", "back", "upper", "lower", "left", "right" and "a" used herein are for clarity of description only, and are not intended to limit the scope of the present invention, and that changes or modifications in the relative relationship may be made without substantial technical changes and modifications.

As shown in fig. 1, the anti-drop main shaft bushing 100 provided by the present invention includes two semi-circular half shaft bushings 10, the two half shaft bushings 10 have the same structure, and the two half shaft bushings 10 are combined and spliced to form the annular anti-drop main shaft bushing 100. The half-shaft bushing 10 comprises a body 11 and a shoulder ring 12, wherein the shoulder ring 12 is fixedly arranged at one end of the body 11. Further, the inner diameter of the shoulder ring 12 is equal to the inner diameter of the body 11, and the outer diameter of the shoulder ring 12 is larger than the outer diameter of the body 11. The body 11 and the shoulder ring 12 are integrally formed.

Referring to fig. 1 and 2, in a first embodiment, the splicing end of the body 11 is an inclined plane structure, a side-unfolded projection of the body 11 is a trapezoid, and the shoulder ring 12 is fixedly disposed at a minor arc end of the body 11. Two during the equipment of half axle bush 10, one minor arc end or major arc end and another of body 11 major arc end or minor arc end concatenation, then form anticreep main shaft bush 100 is two sides all are provided with shoulder keeps off ring 12, can effectively avoid anticreep main shaft bush 100 follows axial displacement in bushing seat (not shown in the figure). Meanwhile, compared with the mode that the double-shoulder half shaft bushing is directly adopted, the use of raw materials for production can be effectively reduced. And the shoulder ring 12 is fixedly arranged at the inferior arc end of the body 11, so that the use of raw materials can be further reduced.

In other embodiments, as shown in fig. 3, the splicing end of the body 11 may have other structures besides a bevel structure. As shown in fig. 3A, the splicing ends of the bodies 11 are in a step-shaped structure, and the step-shaped structures of the splicing ends on two sides of the bodies 11 are complementary, so that the two bodies 11 are spliced in a matching manner to form the annular anti-falling spindle bushing 100. As shown in fig. 3B, a convex portion 111 is disposed at a middle position of the splicing end on one side of the main body 11, a concave portion 112 is disposed at a middle position of the splicing end on the other side of the main body 11, and the convex portion 111 and the concave portion 112 are complementary in structure, so that the convex portion 111 or the concave portion 112 of one main body 11 and the concave portion 112 or the convex portion 111 of the other main body 11 are matched and spliced to form the annular anti-falling spindle bushing 100. Further, although the arc length of the shoulder ring 12 is shown as being equal to the half circumference of the body 11, this is not required, and the arc length of the shoulder ring 12 may be smaller than the half circumference of the body 11 to further reduce the material yield of the half shaft bushing 10.

As shown in fig. 4, when the anti-drop main shaft bushing 100 provided by the present invention is used, firstly, one half shaft bushing 10 is installed on a bushing seat 200, and the shoulder ring 12 is located at one side of the bushing seat 200 and abuts against the bushing seat 200; then, the other half axle bush 10 is spliced to the installed half axle bush 10, so that the spliced ends of the two half axle bushes 10 are in staggered fit with each other, and the shoulder rings 12 of the two half axle bushes 10 are respectively located at two sides of the bush seat 200 and abut against the bush seat 200, so as to limit the axial movement of the half axle bush 10 in the bush seat 200; the main shaft 300 is then passed through both of the half shaft bushings 10. This splicing manner enables the anti-slip spindle bushing 100 to form a double-shoulder structure as a whole, which can effectively prevent the anti-slip spindle bushing 100 from slipping out of the bushing seat 200 when in use. And this design has solved the problem that adopts the both shoulders half shaft bush to bring the increase of half shaft bush manufacturing cost among the prior art.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value. The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides an anticreep main shaft bush installs in the bush seat, includes two semi-axis bushes, two semi-axis bush's structure is the same, the semi-axis bush is half circular-ring type, its characterized in that, the semi-axis bush includes

A body;

the shoulder retaining ring is fixedly arranged at one end of the body;

the shoulder retaining rings of the two half shaft bushings are respectively positioned on two sides of the bushing seat and abut against the bushing seat to limit the half shaft bushings from axially moving in the bushing seat.

2. The anti-drop spindle bushing of claim 1, wherein said shoulder ring inner diameter is equal to said body inner diameter, and said shoulder ring outer diameter is greater than said body outer diameter.

3. The anti-drop main shaft bushing of claim 2, wherein the body and the shoulder ring are integrally formed.

4. The anti-drop main shaft bushing according to claim 1, wherein the splicing end of the body is of a bevel structure, and the side-unfolded projection of the body is trapezoidal.

5. The anti-drop main shaft bushing according to claim 4, wherein the shoulder retainer is fixed to the inferior arc end of the main body, so that when the two half shaft bushings are assembled and installed in the bushing seats, the abutting inclined surfaces of the two half shaft bushings abut against each other to limit the half shaft bushings from moving toward the shoulder retainer of the other half shaft bushing.

6. The anti-drop main shaft bushing according to claim 1, wherein the splicing end of the body is of a step-shaped structure, and the step-shaped structures of the splicing ends on two sides of the body are complementary.

7. The anti-drop main shaft bushing according to claim 1, wherein a convex portion is arranged at the middle of the splicing end on one side of the body, a concave portion is arranged at the middle of the splicing end on the other side of the body, and the convex portion and the concave portion are complementary in structure.