CN112901664B

CN112901664B - Bearing and bearing seat assembly and mounting structure thereof

Info

Publication number: CN112901664B
Application number: CN202110071277.3A
Authority: CN
Inventors: 李旭明; 王士涛; 吴坤; 汪显文
Original assignee: Arctech Solar Holding Co Ltd
Current assignee: Arctech Solar Holding Co Ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2023-01-03
Anticipated expiration: 2041-01-19
Also published as: CN112901664A

Abstract

The invention relates to the technical field of bearing structure design and discloses a bearing and bearing seat assembly and a mounting structure thereof. This assembly includes: the bearing is provided with a bearing hole for the main shaft to pass through; the bearing seat comprises a first support and a second support, wherein bearing seat holes are formed in the first support and the second support respectively and are coaxial, a first annular wall protruding in the axial direction is arranged at the edge of each bearing seat hole, a second annular wall protruding in the axial direction is arranged at the edge of each bearing seat hole, the first support and the second support are arranged back to back, the protruding direction of the first annular wall is opposite to that of the second annular wall, and therefore the first annular wall and the second annular wall are combined to form a cavity for accommodating the bearing. The bearing seat is designed to be an axial locking structure, so that the installed bearing is tightly connected with the main shaft and the bearing seat, and the vibration of the tracker is reduced.

Description

Bearing and bearing seat assembly and mounting structure thereof

Technical Field

The invention relates to the technical field of bearing structure design, in particular to a bearing and bearing seat assembly and a mounting structure thereof.

Background

At present, in the field of photovoltaic trackers, a bearing ring seat is usually arranged at the top of an upright column, a plastic bearing is arranged in the bearing ring seat, and a main shaft is arranged in the plastic bearing. In order to facilitate installation, a larger gap is reserved between the plastic bearing and the bearing seat as well as between the plastic bearing and the main shaft, so that the position accuracy of the main shaft is reduced, and the vibration of the whole tracker is increased under the action of wind load.

Disclosure of Invention

In order to solve the technical problems, the invention provides a bearing and bearing seat assembly and an installation structure thereof.

The technical scheme provided by the invention is as follows:

a bearing and bearing housing assembly comprising:

the bearing is provided with a bearing hole for the main shaft to pass through;

the bearing seat comprises a first support and a second support, wherein bearing seat holes are respectively formed in the first support and the second support, the two bearing seat holes are coaxial, a first annular wall protruding in the axial direction is arranged at the edge of each bearing seat hole of the first support, a second annular wall protruding in the axial direction is arranged at the edge of each bearing seat hole of the second support, the first support and the second support are arranged back to back, and the protruding directions of the first annular wall and the second annular wall are opposite, so that the first annular wall and the second annular wall are combined to form a cavity for accommodating the bearing;

the first support and the second support are connected by a fastener along an axial direction of a bearing support hole to position the bearing within the cavity.

In the technical scheme, the bearing seats are arranged to be of a left-right split type structure, the inner surfaces of the bearing seats are attached to the outer surfaces of the bearings, and the two bearing seats clamp the bearings and the main shaft through the fasteners, so that the installed bearings are tightly connected with the main shaft and the bearings and the bearing seats, the vibration of the tracker is reduced, the rigidity of the whole tracker is increased, and the anti-vibration capability of the whole tracker under the action of wind is further improved.

Further preferably, the outer circumferential surface of the bearing is a spherical surface.

In the technical scheme, when the outer circumferential surface of the bearing is a spherical surface, the axis of the main shaft and the axis of the bearing hole form a certain angle, so that the bearing is suitable for terrains with different gradients.

Further preferably, the bearing includes a first bearing and a second bearing, and the first bearing and the second bearing are arranged opposite to each other to form a bearing hole for the main shaft to pass through.

Preferably, the two sides of the first support are respectively provided with a first wind shielding part bent towards one side far away from the second support, and the lower side of the first support is provided with a first mounting part bent towards one side far away from the second support;

and two sides of the second support are respectively provided with a second wind blocking part bent to one side far away from the first support, and the lower side of the second support is provided with a second installation part bent to one side far away from the first support.

In the technical scheme, the side edges of the two bearing seats are bent to form the wind shielding parts, and when the bearing seats are subjected to transverse wind (in the horizontal direction perpendicular to the main shaft), the wind shielding parts can guide the wind to the two axial sides, so that the rigidity of the whole tracker is increased, and the vibration resistance of the whole tracker under the action of the wind is further improved.

Further preferably, a first positioning groove is formed in a bent part at the lower side of the first support, and a plurality of first mounting holes are formed in the first mounting part;

and/or a second positioning groove is formed in the bent part of the lower side of the second support, and a plurality of second mounting holes are formed in the second mounting part.

In the technical scheme, the positioning grooves are formed after the two bearing seats are spliced, and during installation, the positioning grooves of the bearing seats are only required to be placed on the convex parts of the installation seat, hole aligning operation is not required, the operation steps are simplified, and the installation efficiency is improved; and the cooperation of constant head tank and bellying can also improve the joint strength of bearing frame and mount pad, further increases the rigidity of whole tracker, and then improves whole tracker anti vibration ability under the wind effect.

Further preferably, the first support is integrally formed by punching;

and/or the second support is integrally formed by punching;

the first support and the second support are identical in structure.

In the technical scheme, the bearing seat is integrally formed by punching, so that the material can be saved and the cost can be reduced; the first support and the second support are arranged in the same structure, so that the batch industrial manufacturing is facilitated, and the production cost is reduced.

The other technical scheme provided by the invention is as follows:

a bearing and bearing housing assembly mounting structure, comprising any one of the above bearing and bearing housing assembly, further comprising:

the main shaft sequentially penetrates through the bearing seat hole and the bearing hole to be fixedly connected with the bearing;

the mounting seat, the bearing frame passes through the mounting, install on the mounting seat.

Further preferably, the mounting base comprises a mounting plate and support plates arranged at two ends of the mounting plate, blocking parts bent towards one side close to the bearing seat are respectively arranged at two sides of the mounting plate, and the two blocking parts clamp the bearing seat between the two blocking parts.

Further preferably, the middle part of the upper side of the mounting plate is provided with a protruding part, a first positioning groove at the lower side bending part of the first support and a second positioning groove at the lower side bending part of the second support form a positioning groove for accommodating the protruding part, the first support and the second support are arranged back to back on the mounting seat, so that the protruding part is positioned in the positioning groove, and the bearing seat is fixed on the mounting seat through a fixing part.

Further preferably, an included angle formed between the axis of the main shaft and the horizontal plane is 0-10 degrees;

and/or, two supporting plates of the mounting seat are respectively provided with a round hole and an arc-shaped hole, and the mounting seat is fixed through the round hole and the arc-shaped hole.

Compared with the prior art, the bearing and bearing seat assembly and the mounting structure thereof have the beneficial effects that:

according to the invention, the bearing seats are arranged into a left-right split type structure, the inner surfaces of the bearing seats are attached to the outer surfaces of the bearings, and the bearings and the main shaft are clamped by the two bearing seats through the fasteners, so that the mounted bearings are tightly connected with the main shaft and the bearings and the bearing seats, the vibration of the tracker is reduced, the rigidity of the whole tracker is increased, and the vibration resistance of the whole tracker under the action of wind is further improved.

Drawings

The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.

FIG. 1 is a schematic view of a bearing and bearing block assembly according to an embodiment of the present invention;

FIG. 2 is a schematic view of a bearing according to another embodiment of the present invention;

FIG. 3 is a schematic view of another bearing according to another embodiment of the present invention;

FIG. 4 is a schematic view of a bearing housing according to another embodiment of the present invention;

FIG. 5 is a schematic view of a bearing and bearing block assembly mounting structure according to another embodiment of the present invention;

FIG. 6 is a schematic view of another perspective of a bearing and bearing block assembly mounting arrangement in accordance with another embodiment of the present invention;

fig. 7 is a schematic structural diagram of a mounting base according to another embodiment of the present invention.

The reference numbers illustrate:

10. the bearing comprises a bearing body, 11, a first bearing, 111, a first section, 112, a second section, 113, a third section, 12, a second bearing, 121, a fourth section, 122, a fifth section, 123, a sixth section, 20, a bearing seat, 21, a first support, 211, a first annular wall, 212, a first wind shielding part, 213, a first mounting part, 2131, a first mounting hole, 214, a first positioning groove, 22, a second support, 23, a fastener, 30, a main shaft, 40, a mounting seat, 41, a mounting plate, 411, a blocking part, 412, a protrusion, 413, a waist hole, 42, a support plate, 421, a round hole, 422, an arc hole and 43.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. Moreover, in the interest of brevity and understanding, only one of the components having the same structure or function is illustrated schematically or designated in some of the drawings. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In the embodiments shown in the drawings, the directions such as up, down, left, right, front, and rear are used to explain the structure and movement of various components of the present invention not absolutely but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, without inventive effort, other drawings and embodiments can be derived from them.

As an embodiment, as shown in fig. 1 to 4, the embodiment provides a bearing and bearing seat assembly, including: bearing 10 and bearing seat 20. Wherein, the bearing 10 is provided with a bearing hole for the main shaft to pass through. The bearing seat 20 comprises a first support 21 and a second support 22, the first support 21 and the second support 22 are respectively provided with a bearing seat hole, the two bearing seat holes are coaxial, the first support 21 is provided with a first annular wall 211 protruding axially at the edge of the bearing seat hole, the second support 22 is provided with a second annular wall protruding axially at the edge of the bearing seat hole, the first support 21 and the second support 22 are arranged back to back, and the protruding directions of the first annular wall 211 and the second annular wall are opposite, so that the first annular wall 211 and the second annular wall are combined to form a cavity for accommodating the bearing 10; the first and

second holders

21 and 22 are connected by fasteners 23 in the axial direction of the bearing holder bore to position the bearing 10 within the cavity.

In this embodiment, the bearing seat 20 is configured as a left-right split structure, the inner surface of the bearing seat 20 is attached to the outer surface of the bearing 10, and the two split bearing seats clamp the bearing 10 and the main shaft through the fastening member 23, so that the installed bearing 10 and the main shaft, and the bearing 10 and the bearing seat 20 are tightly connected, thereby reducing the vibration of the tracker, increasing the rigidity of the whole tracker, and further improving the anti-vibration capability of the whole tracker under the action of wind.

Specifically, the bearing hole of the bearing 10 may be a circular, oval, polygonal or irregular structure, and the structure of the main shaft is adapted to the structure of the bearing hole of the bearing 10, so that the main shaft and the bearing 10 are relatively fixed. For example, the main shaft may be a circular tube, a D-shaped tube, a square tube, a special tube, or the like. The fasteners 23 may be bolts, rivets or other fastening structures.

In another embodiment, as shown in fig. 2 and 3, on the basis of the above embodiment, the bearing 10 includes a first bearing 11 and a second bearing 12, and the first bearing 11 and the second bearing 12 are disposed opposite to each other to form a bearing hole for the main shaft to pass through. The outer circumferential surface of the first bearing 11 is a spherical surface, and the outer circumferential surface of the second bearing 12 is a spherical surface. When the outer circumferential surface of the bearing 10 is a spherical surface, the axis of the main shaft and the axis of the bearing hole form a certain angle, so that the bearing is suitable for terrains with different gradients.

In order to facilitate the installation and reduce the cost, the first bearing 11 and the second bearing 12 may be plastic bearings, and a predetermined distance is provided between the lower end surface of the first bearing 11 and the upper end surface of the second bearing 12. In order to enhance the fastening of the bearing 10 and the main shaft, a rough portion may be disposed on the inner ring of the bearing 10, so that when the bearing 10 is mounted on the main shaft, the rough portion is supported against the main shaft, and the bearing 10 is prevented from rotating relative to the main shaft.

Preferably, the first bearing 11 is arranged symmetrically to the second bearing 12. Of course, the first bearing 11 and the second bearing 12 may not be symmetrically disposed, or the bearing 10 is formed by combining three or more split bearings, as long as a plurality of split bearings can be mounted on the main shaft through the bearing seat 20, so that the structure of rotationally connecting the bearing seat 20 and the main shaft is within the protection scope of the present invention.

Further, as shown in fig. 2, the axial cross section of the outer side wall of the first bearing 11 may also be an arc surface, an elliptical arc surface, or a special-shaped surface, and the axial cross section of the outer side wall of the second bearing 12 may also be an arc surface, an elliptical arc surface, or a special-shaped surface. Through setting up to multiple different structures, realized the differentiation design, improve the adaptability of bearing.

When the axial cross section of the outer side wall of the first bearing 11 is a special-shaped surface, the first bearing comprises a first section 111, a second section 112 and a third section 113 which are sequentially connected end to end, and the first section 111 and the third section 113 are symmetrical along the center of the second section 112. Wherein, the first section 111 and the third section 113 are arc surfaces, and the second section 112 is a plane; alternatively, the first section 111, the second section 112, and the third section 113 are all planar.

When the axial cross section of the outer side wall of the second bearing 12 is a special-shaped surface, it includes a fourth section 121, a fifth section 122, and a sixth section 123 connected end to end in sequence, and the fourth section 121 and the sixth section 123 are symmetrical along the center of the fifth section 122. The fourth section 121 and the sixth section 123 are arc-shaped surfaces, and the fifth section 122 is a plane; alternatively, the fourth segment 121, the fifth segment 122 and the sixth segment 123 are all planar.

In another embodiment, as shown in fig. 1 and 4, in addition to the above-described embodiment, the first wind blocking portions 212 bent to the side away from the second mount 22 are respectively provided on both sides of the first mount 21, and the first mounting portions 213 bent to the side away from the second mount 22 are provided on the lower side of the first mount 21. Both ends of the first mounting portion 213 are bent upward and are integrally connected to the first windshield portion 212, thereby improving the strength of the first bracket 21. The two sides of the second support 22 are respectively provided with a second wind blocking part bent to one side far away from the first support 21, and the lower side of the second support 22 is provided with a second mounting part bent to one side far away from the first support 21. The two ends of the second mounting part are bent upwards and are connected with the second wind blocking part into a whole, so that the strength of the first support 21 is improved. The side edges of the two bearing seats are bent to form the wind shielding parts, when the bearing seats are subjected to transverse wind (in the horizontal direction perpendicular to the main shaft), the wind shielding parts can guide the wind to two axial sides, the rigidity of the whole tracker is increased, and the vibration resistance of the whole tracker under the action of the wind is improved.

Further, a first positioning groove 214 is formed at a bent position at the lower side of the first support 21, and a plurality of first mounting holes are formed on the first mounting portion 213; the lower side bending part of the second support 22 is provided with a second positioning groove, and the second mounting part is provided with a plurality of second mounting holes. The positioning grooves are formed after the two split bearing seats are spliced, and when the mounting seat is mounted, the positioning grooves of the bearing seats are only required to be placed on the protruding parts of the mounting seat, hole aligning operation is not required, operation steps are simplified, and mounting efficiency is improved; and the cooperation of constant head tank and bellying can also improve the joint strength of bearing frame and mount pad, further increases the rigidity of whole tracker, and then improves whole tracker anti vibration ability under the wind effect.

Preferably, the first support 21 and the second support 22 have the same structure, and the first support 21 and the second support 22 are integrally formed by stamping. The bearing seat 20 is integrally formed by punching, so that the material can be saved and the cost can be reduced; the first support 21 and the second support 22 are identical in structure, so that the mass industrial manufacturing is facilitated, and the production cost is reduced.

In another embodiment, as shown in fig. 5 to 7, on the basis of the above embodiments, the present embodiment provides a mounting structure for a bearing and bearing seat assembly, including: bearing 10, bearing frame 20, main shaft 30 and mount 40. The bearing 10 includes a first bearing 11 and a second bearing 12, and the first bearing 11 and the second bearing 12 are disposed opposite to each other to form a bearing hole for the main shaft 30 to pass through. The bearing seat 20 is provided with a bearing seat hole for the main shaft 30 to pass through, the bearing seat 20 comprises a first support 21 and a second support 22, the first support 21 is provided with a first annular wall 211 protruding axially at the edge of the bearing seat hole, the second support 22 is provided with a second annular wall protruding axially at the edge of the bearing seat hole, the first support 21 and the second support 22 are arranged back to back, so that the first annular wall 211 and the second annular wall are combined to form a cavity for accommodating the bearing 10. The main shaft 30 sequentially passes through the bearing seat hole and the bearing hole, the first support 21 and the second support 22 are connected along the axial direction of the bearing seat hole through the fastening piece 23 to limit the axial position of the bearing 10, and the bearing 10 is rotatably connected with the bearing seat 20. The bearing housing 20 is mounted to the mounting housing 40 by fasteners 43.

Further, the mounting seat 40 includes a mounting plate 41 and support plates 42 disposed at both ends of the mounting plate 41, and the mounting plate 41 is disposed perpendicular to the support plates 42. Two sides of the mounting plate 41 are respectively provided with a blocking portion 411 which is bent towards one side close to the bearing seat 20, the bearing seat 20 is clamped between the two blocking portions 411 so as to axially position the bottom of the bearing seat 20, and the blocking portions 411 also play a role in improving the shearing resistance of the bolt.

The middle of the upper side of the mounting plate 41 is provided with a boss 412, a first positioning groove 214 at the lower side bending part of the first support 21 and a second positioning groove at the lower side bending part of the second support form a positioning groove for accommodating the boss 412, the first support 21 and the second support 22 are arranged on the mounting plate 40 in a backrest manner, the boss 412 is located in the positioning groove, the mounting plate 41 is provided with a plurality of waist holes 413, and the bearing seat 20 is fixed on the mounting plate 40 through the fixing piece 43.

The protruding portion 412 includes two obliquely arranged cylinders, the lower ends of the two cylinders are fixed on the mounting plate 41, and the upper ends of the two cylinders are fixedly connected to form a triangular protrusion. The first positioning groove 214 and the second positioning groove are respectively inclined grooves, so that each split bearing seat can be independently positioned with the triangular protrusion through the inclined grooves.

Further, as shown in fig. 6, the axis of the main shaft 30 forms an included angle of 0 to 10 degrees with the horizontal plane, so that the axis of the main shaft 30 forms an angle with the axis of the bearing hole, thereby adapting to terrains with different slopes.

Further, as shown in fig. 7, two supporting plates 42 of the mounting seat 40 are respectively provided with a round hole 421 and an arc hole 422, the round hole 421 and the arc hole 422 are arranged side by side, and the round hole 421 and the arc hole 422 are fixed to the mounting seat 40 through a fastener, so that the mounting mode of the mounting seat 40 is diversified, and the firmness is high.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A bearing and bearing housing assembly, comprising:

the bearing is provided with a bearing hole for the main shaft to pass through;

the first support and the second support are connected along the axial direction of a bearing support hole through a fastener so as to position the bearing in the cavity;

the outer circumferential surface of the bearing is a spherical surface, the first support and the second support clamp the bearing and the main shaft through the fastening piece, and the bearing seat is designed into an axial locking structure, so that the mounted bearing is tightly connected with the main shaft and the bearing is tightly connected with the bearing seat;

the bearing comprises a first bearing and a second bearing, and the first bearing and the second bearing are oppositely arranged to form a bearing hole for the main shaft to pass through;

two sides of the first support are respectively provided with a first wind shielding part bent towards one side far away from the second support, and the lower side of the first support is provided with a first mounting part bent towards one side far away from the second support; a first positioning groove is formed in a bent part at the lower side of the first support, and a plurality of first mounting holes are formed in the first mounting part;

two sides of the second support are respectively provided with a second wind blocking part bent to one side far away from the first support, and the lower side of the second support is provided with a second mounting part bent to one side far away from the first support; a second positioning groove is formed in the bent part at the lower side of the second support, and a plurality of second mounting holes are formed in the second mounting part;

the first support is integrally formed in a punching mode; and/or the second support is integrally formed by punching;

the first support and the second support are identical in structure.

2. A bearing and bearing housing assembly mounting structure comprising the bearing and bearing housing assembly of claim 1, further comprising:

and the bearing seat is arranged on the mounting seat through a fixing piece.

3. The mounting structure of a bearing and bearing housing assembly according to claim 2, wherein:

the mounting base comprises a mounting plate and supporting plates arranged at two ends of the mounting plate, blocking parts bent towards one side close to the bearing seat are arranged on two sides of the mounting plate respectively, and the blocking parts clamp the bearing seat between the two blocking parts.

4. A mounting structure of a bearing and bearing housing assembly according to claim 3, wherein:

the upside middle part of mounting panel is equipped with the bellying, the downside of first support bend the department the first constant head tank with the second constant head tank formation of the downside of second support department of bending holds the constant head tank of bellying, first support with the second support sets up back to back on the mount pad, make the bellying is located in the constant head tank to will through the mounting the bearing frame is fixed on the mount pad.

5. The mounting structure of a bearing and bearing housing assembly according to claim 2, wherein:

an included angle formed between the axis of the main shaft and the horizontal plane is 0-10 degrees;

and/or, two supporting plates of the mounting seat are respectively provided with a round hole and an arc hole, and the mounting seat is fixed through the round hole and the arc hole.