CN210087838U - Angle bearing - Google Patents
Angle bearing Download PDFInfo
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- CN210087838U CN210087838U CN201920882931.7U CN201920882931U CN210087838U CN 210087838 U CN210087838 U CN 210087838U CN 201920882931 U CN201920882931 U CN 201920882931U CN 210087838 U CN210087838 U CN 210087838U
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Abstract
The application discloses angle bearing, including the bearing frame with can with the bearing frame relative pivoted bearing body, bearing body including support on the bearing frame first connecting portion with be used for with treat connecting piece fixed connection's second connecting portion, the lower extreme of first connecting portion have can support the edge that leans on the bearing frame, guarantee to be line contact between the lower extreme of first connecting portion and the bearing frame, the rotation axis coincidence of edge and bearing body makes the edge be the rotation axis of first connecting portion. A limiting structure for limiting the relative movement of the edge and the bearing seat is arranged on the bearing seat, and the first connecting part is ensured to rotate in a fixed shaft mode. So set up, in the relative rotation in-process of bearing body and bearing frame, with the bearing frame have the contact only be the edge of first connecting portion and can not relative movement between the two, no frictional force between first connecting portion and the bearing frame need not to use lubricating oil, and bearing body and bearing frame also can be relative rotation smoothly, have avoided the influence of high temperature high dust environment diagonal bearing.
Description
Technical Field
The utility model relates to a bearing technical field especially relates to an angle bearing.
Background
The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body. The bearings in the prior art mainly comprise rolling bearings and sliding bearings, lubricating oil needs to be added in the using process of the two bearings, the lubricating oil has certain loss in the running process of the bearings, the lubricating oil needs to be added periodically, and the running cost of the bearings is increased. And the maximum tolerance temperature of the lubricating oil is difficult to exceed 120 ℃, so that the condition also determines that the lubricating bearing cannot work in a high-temperature environment exceeding 120 ℃, otherwise, the lubricating oil can be failed, and the bearing can be damaged. In addition, the bearing in the prior art cannot work in a high-dust environment, and once dust enters the lubricating oil, the lubricating oil can be failed, and finally the bearing is damaged.
Therefore, how to solve the problem that the existing bearing cannot work in a high-temperature and high-dust environment due to the need of using lubricating oil is an important technical problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
To overcome the problems in the related art at least to some extent, the present application provides an angular bearing that can solve the problem that the conventional bearing cannot operate in a high-temperature, high-dust environment due to the need to use lubricating oil.
The utility model discloses a realize like this: an angle bearing comprises a bearing seat and a bearing main body which can rotate relative to the bearing seat; the bearing main body comprises a first connecting part supported on the bearing seat and a second connecting part fixedly connected with a to-be-connected piece, the first connecting part and the second connecting part are of an integrated structure, the lower end of the first connecting part is provided with an edge capable of being abutted against the bearing seat, and the edge is overlapped with the rotation axis of the bearing main body; and the bearing seat is provided with a limiting structure for limiting the relative movement between the edge and the bearing seat.
Preferably, the bearing frame is including dismantling base and the upper cover that links together, be provided with on the base with base fixed connection's supporting station, limit structure is including setting up the column groove of upper cover lower surface is in with setting up two inclined planes of supporting station upper end, the axis of column groove with the edge is parallel, two the inclined plane is crossing and two the intersection line on inclined plane with the edge coincidence, contained angle between two inclined planes is inferior angle, the upper end of first connecting portion with the clearance has between the lateral wall in column groove.
Preferably, the limiting structure further comprises a positioning block arranged at the lower end of the first connecting portion and a positioning groove arranged at the upper end of the supporting table, the positioning block can extend into the positioning groove, and the height of the positioning block in the positioning groove is greater than the distance between the upper end of the first connecting portion and the side wall of the cylindrical groove.
Preferably, first connecting portion are columnar structure, the cross section of first connecting portion is fan-shaped, fan-shaped centre of a circle is located the axis of rotation of bearing main part is last, fan-shaped central angle is less than two contained angle between the inclined plane.
Preferably, the base is provided with a limiting groove for limiting the supporting table to move relative to the base.
Preferably, the positioning block is a sector, an axis of the sector coincides with a rotation axis of the bearing main body, and a sum of a central angle corresponding to the sector and a central angle of the sector of the first connecting portion is 360 degrees.
Preferably, the bisector of the angle between the two inclined surfaces is in the vertical direction.
Preferably, the second connecting portion is provided with a connecting hole, an axis of the connecting hole is parallel to a rotation axis of the bearing main body, and a key groove is formed in a side wall of the connecting hole.
Preferably, both ends of the upper cover and the base are provided with first threaded holes, and the base is connected with the upper cover through first bolts; and the two ends of the base are provided with second threaded holes for being connected with the connecting pieces through bolts.
Preferably, the bearing main body, the base, the upper cover and the supporting table are all made of heat-resistant steel.
The technical scheme provided by the application comprises the following beneficial effects:
in the angular bearing that this application provided, including the bearing frame with can with bearing frame relative rotation's bearing main part, connect two parts that need relative rotation respectively. The bearing main body comprises a first connecting part and a second connecting part, wherein the first connecting part is supported on the bearing seat, the second connecting part is used for being fixedly connected with a to-be-connected piece, the first connecting part and the second connecting part are of an integrated structure, the bearing seat is fixedly connected with one part, the second connecting part and the other part of the bearing main body are fixedly connected, the first connecting part of the bearing main body rotates relative to the bearing seat, and the two parts connected with the bearing seat and the second connecting part can rotate relative to each other. The lower end of the first connecting portion is provided with an edge, the edge is abutted against the bearing seat, and the lower end of the first connecting portion is in line contact with the bearing seat. This edge and the axis of rotation coincidence of bearing body, bearing body for the bearing frame rotation in-process, first connecting portion use this edge to rotate as the axis. A limiting structure used for limiting relative movement between the edge and the bearing seat is arranged on the bearing seat, so that the relative position between the edge and the bearing seat is fixed, and the rotation process of the first connecting part is ensured to be fixed-axis rotation. According to the arrangement, in the relative rotation process of the bearing main body and the bearing seat, the edge which is only in contact with the bearing seat and is arranged at the lower end of the first connecting part does not move relative to the bearing seat, no friction force exists between the first connecting part and the bearing seat, lubricating oil does not need to be filled between the bearing main body and the bearing seat, and the bearing main body and the bearing seat can also smoothly rotate relative to each other. The angle bearing has the advantages that the structure of the angle bearing avoids the use of lubricating oil, so that the work of the angle bearing is not influenced by a high-temperature environment and a high-dust environment, and the adaptability of the angle bearing is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an angular bearing according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of an angular bearing according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a bearing main body according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a supporting table according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a base according to an embodiment of the present invention.
Reference numerals:
a bearing seat-1; a bearing body-2; a first connection-3; a second connecting portion-4; edge-5; a base-6; an upper cover-7; a support table-8; inclined plane-9; a positioning block-10; a positioning groove-11; a limiting groove-12; a connecting hole-13; a keyway-14; a first threaded hole-15; a first bolt-16; a second threaded hole-17.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An object of this embodiment is to provide an angular bearing, through making the contact position between bearing main part and the bearing frame do not change at both relative rotation in-process, avoid the frictional force between bearing main part and the bearing frame to avoid the use to lubricating oil, avoid the influence of high temperature high dust environment to this angular bearing's work.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to FIGS. 1-5, schematic structural views of a corner bearing in some exemplary embodiments are shown. The angle bearing provided by the embodiment comprises a bearing seat 1 and a bearing main body 2 which can rotate relative to the bearing seat 1, and the two parts which need to rotate relative to each other are respectively connected. The bearing body 2 comprises a first connecting part 3 supported on the bearing seat 1 and a second connecting part 4 used for being fixedly connected with a to-be-connected piece, the first connecting part 3 and the second connecting part 4 are of an integrated structure, the bearing seat 1 is fixedly connected with one of the parts, the second connecting part 4 of the bearing body 2 is fixedly connected with the other part, the first connecting part 3 of the bearing body 2 rotates relative to the bearing seat 1, and the two parts connected with the bearing seat 1 and the second connecting part 4 can rotate relatively. The lower end of the first connecting part 3 is provided with an edge 5, and the edge 5 is abutted against the bearing seat 1, so that the lower end of the first connecting part 3 is in line contact with the bearing seat 1. This edge 5 and the axis of rotation coincidence of bearing body 2, bearing body 2 for the bearing frame 1 rotation in-process, first connecting portion 3 uses this edge 5 to rotate as the axis. A limiting structure used for limiting relative movement between the edge 5 and the bearing seat 1 is arranged on the bearing seat 1, so that the relative position between the edge 5 and the bearing seat 1 is fixed, and the rotation process of the first connecting part 3 is ensured to be fixed-axis rotation. So set up, in the relative rotation process of bearing body 2 and bearing frame 1, it is only edge 5 for first connecting portion 3 lower extreme to have the contact with bearing frame 1, and does not take place relative movement between edge 5 and the bearing frame 1, does not have frictional force between first connecting portion 3 and the bearing frame 1, need not to annotate lubricating oil between bearing body 2 and bearing frame 1, also can smoothly relative rotation between bearing body 2 and the bearing frame 1. The angle bearing has the advantages that the structure of the angle bearing avoids the use of lubricating oil, so that the work of the angle bearing is not influenced by a high-temperature environment and a high-dust environment, and the adaptability of the angle bearing is improved.
In this embodiment, the bearing housing 1 includes a base 6 and an upper cover 7 detachably connected together, a supporting base 8 fixedly connected to the base 6 is provided on the base 6, and the first connecting portion 3 of the bearing main body 2 is supported on the supporting base 8. The limiting structure comprises a cylindrical groove arranged on the lower surface of the upper cover 7 and two inclined planes 9 arranged on the upper end of the supporting platform 8, the axis of the cylindrical groove is parallel to the edge 5, and a certain accommodating space is formed between the upper cover 7 with the cylindrical groove on the lower surface and the base 6 and is used for accommodating the first connecting part 3 of the bearing main body 2. The first connecting part 3 of the bearing main body 2 is supported at the upper end of a supporting platform 8, two inclined planes 9 at the upper end of the supporting platform 8 are intersected, the intersection line of the two inclined planes 9 is arranged along the horizontal direction and is coincided with an edge 5, the edge 5 at the lower end of the first connecting part 3 is positioned on the intersection line of the two inclined planes 9, the included angle between the two inclined planes 9 is a poor angle, namely, a groove is formed at the upper end of the supporting platform 8, the edge 5 at the lower end of the first connecting part 3 is limited between the two inclined planes 9, when the bearing main body 2 rotates relative to a bearing seat 1, the relative position between the edge 5 at the lower end of the first connecting part 3 and the supporting platform 8 is fixed, the upper end of the first connecting part 3 swings around the edge 5 between the two inclined planes 9 in a fixed axis mode, at the moment, in order to avoid the generation of friction force between the upper end of the first connecting part 3 and the lower, i.e. a certain gap is provided between the upper end of the first connection portion 3 and the side wall of the cylindrical groove, which gap is about 0.5 mm.
In the implementation, above-mentioned limit structure is still including setting up locating piece 10 and the constant head tank 11 of setting in the bearing table 8 upper end at first connecting portion 3 lower extreme, when the lower extreme of first connecting portion 3 supported on bearing table 8, locating piece 10 can stretch into in the constant head tank 11, the height that locating piece 10 stretched into in the constant head tank 11 is greater than the distance between the upper end of first connecting portion 3 and the lateral wall of column channel, so, after upper cover 7 and 6 fixed connection of base, first connecting portion 3 is restricted between upper cover 9 and base 6, the existence of locating piece 10 and constant head tank 11 can effectively avoid first connecting portion 3 to remove along the axial of first connecting portion 3 for bearing frame 1, the stability of rotating between bearing main part 2 and the bearing frame 1 has been guaranteed. At this time, in order to avoid friction between the surface of the positioning block 10 and the sidewall of the positioning slot 11, the positioning block 10 and the positioning slot 11 are in clearance fit, that is, a clearance is provided between the surface of the positioning block 11 and the sidewall of the positioning slot 11, and the clearance is about 0.5 mm.
In a preferred embodiment, the first connection portion 3 is a cylindrical structure, the cross section of the first connection portion is a sector, the center of the sector is located on the rotation axis of the bearing main body 2, that is, the first connection portion 3 is a sector column, and the rotation axis corresponding to the generatrix of the sector column is the edge 5 located at the lower end of the first connection portion 3. The central angle of the fan shape is smaller than the included angle between the two inclined surfaces 9, and space is provided for the rotation of the first connecting part 3. The rotation angle of the bearing body 2 relative to the bearing seat 1 is defined by the included angle between the two inclined surfaces 9 and the central angle of the sector, and the larger the difference between the included angle between the two inclined surfaces 9 and the central angle of the sector, the larger the angle at which the bearing body 2 can rotate relative to the bearing seat 1, that is, the larger the swing angle of the bearing body 2. The included angle between the two inclined planes 9 is increased, the fan-shaped central angle is reduced, and the swing angle of the bearing main body 2 is increased.
In a preferred embodiment of the present invention, the positioning block 10 may be a sector, an axis of the sector coincides with a rotation axis of the bearing main body 2, a sum of a central angle corresponding to the sector and a central angle of the sector of the first connecting portion 3 is 360 degrees, two end faces of the positioning block 10 along the circumferential direction are fixedly connected to two end faces of the first connecting portion 3 along the circumferential direction, the first connecting portion 3 rotates to any angle in a rotation process of the positioning block 10 along with the first connecting portion 3, and the positioning block 10 can position a relative position between the bearing main body 2 and the bearing seat 1.
In this embodiment, still be provided with spacing groove 12 on base 6, place supporting platform 8 in the spacing groove 12 of base 6, carry on spacingly through spacing groove 12 to supporting platform 8, prevent the relative movement between supporting platform 8 and the base 6, guarantee the stability of rotating between bearing main part 2 and the bearing frame 1 and be connected.
In a preferred embodiment, an angle bisector of an included angle between the two inclined surfaces 9 of the supporting platform 8 is distributed along a vertical direction, that is, the two inclined surfaces 9 are symmetrically distributed on two sides of a vertical plane where the edge 5 is located, so that a rotation angle of the first connecting portion 3 on one side of the vertical plane is the same as a rotation angle of the first connecting portion 3 on the other side of the vertical plane, and the stress balance between the bearing body 2 and the bearing seat 1 in the relative rotation process is facilitated.
In the implementation, when treating the connecting piece for the axle, can set up connecting hole 13 on second connecting portion 4 for the axle to wear into, be provided with keyway 14 on the lateral wall of connecting hole 13, the axle passes through the key-type connection with second connecting portion 4, prevents the circumferential direction between axle and the second connecting portion 4. The axis of the connecting hole 13 is parallel to the rotation axis of the bearing main body 2, wherein the axis of the connecting hole 13 can be coincided with the rotation axis of the bearing main body 2, and at the moment, the rotation axis of the to-be-connected piece is coincided with the rotation axis of the bearing main body 2; the axis of the connecting hole 13 may not coincide with the rotation axis of the bearing body 2 with a certain distance therebetween, and in this case, the angular bearing may be used as an eccentric bearing.
In the implementation, the two ends of the upper cover 7 and the base 6 are both provided with first threaded holes 15, the base 6 and the upper cover 7 are connected through first bolts 16, in the assembly process of the angle bearing, the supporting table 8 is firstly embedded in the limiting groove 12 on the upper surface of the base 6, the positioning block 10 at the lower end of the first connecting part 3 extends into the positioning groove 11 on the base 6, the first connecting part 3 is supported on the supporting table 8, then the upper cover 7 is placed on the base 6, and the upper cover 7 and the base 6 are fixed through the first bolts 16. In order to fix the bearing seat 1, second threaded holes 17 are further formed in two ends of the base 6, and the base 6 and one of the to-be-connected components can be fixed through bolts.
In this embodiment, the bearing body 2, the base 6, the upper cover 7, and the supporting platform 8 are all made of heat-resistant steel, and the heat-resistant steel has high strength and good chemical stability at high temperature, so that the angular bearing can be normally used in a high-temperature environment.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An angle bearing, characterized by comprising a bearing seat (1) and a bearing main body (2) which can rotate relative to the bearing seat (1);
the bearing main body (2) comprises a first connecting part (3) supported on the bearing seat (1) and a second connecting part (4) fixedly connected with a to-be-connected part, the first connecting part (3) and the second connecting part (4) are of an integrated structure, the lower end of the first connecting part (3) is provided with an edge (5) capable of being abutted against the bearing seat (1), and the edge (5) is overlapped with the rotating axis of the bearing main body (2);
the limiting structure is arranged on the bearing seat (1) and used for limiting the relative movement between the edge (5) and the bearing seat (1).
2. The angle bearing of claim 1, characterized in that the bearing seat (1) comprises a base (6) and an upper cover (7) which are detachably connected together, a supporting platform (8) fixedly connected with the base (6) is arranged on the base (6), the limiting structure comprises a cylindrical groove arranged on the lower surface of the upper cover (7) and two inclined surfaces (9) arranged on the upper end of the supporting platform (8), the axis of the cylindrical groove is parallel to the edge (5), the two inclined surfaces (9) are crossed, the intersection line of the two inclined surfaces (9) is superposed with the edge (5), the included angle between the two inclined surfaces (9) is a minor angle, and a gap is formed between the upper end of the first connecting part (3) and the side wall of the cylindrical groove.
3. The angular bearing according to claim 2, wherein the limiting structure further comprises a positioning block (10) disposed at a lower end of the first connecting portion (3) and a positioning groove (11) disposed at an upper end of the supporting platform (8), the positioning block (10) can extend into the positioning groove (11), and a height of the positioning block (10) in the positioning groove (11) is greater than a distance between an upper end of the first connecting portion (3) and a side wall of the cylindrical groove.
4. The angular bearing according to claim 3, characterized in that the first connecting portion (3) is a cylindrical structure, the cross section of the first connecting portion (3) is fan-shaped, the center of the fan-shaped circle is located on the rotation axis of the bearing body (2), and the center angle of the fan-shaped circle is smaller than the included angle between the two inclined surfaces (9).
5. The angular bearing according to claim 2, characterized in that the base (6) is provided with a limiting groove (12) for limiting the movement of the bearing table (8) relative to the base (6).
6. The angular bearing according to claim 4, characterized in that the positioning block (10) is a sector, the axis of which coincides with the axis of rotation of the bearing body (2), the sum of the central angle corresponding to the sector and the central angle of the sector of the first connection portion (3) being 360 degrees.
7. Angular bearing according to claim 2, wherein the bisector of the angle between the two inclined surfaces (9) is in the vertical direction.
8. The angular bearing according to claim 1, characterized in that the second connecting portion (4) is provided with a connecting hole (13), the axis of the connecting hole (13) is parallel to the rotation axis of the bearing body (2), and a key groove (14) is provided on the side wall of the connecting hole (13).
9. The angular bearing according to claim 2, characterized in that both ends of the upper cover (7) and the base (6) are provided with first threaded holes (15), and the base (6) and the upper cover (7) are connected by first bolts (16); and second threaded holes (17) used for being in bolted connection with the to-be-connected pieces are formed in the two ends of the base (6).
10. The angular bearing according to claim 2, wherein the bearing body (2), the base (6), the upper cover (7) and the support table (8) are all made of heat resistant steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920882931.7U CN210087838U (en) | 2019-06-12 | 2019-06-12 | Angle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920882931.7U CN210087838U (en) | 2019-06-12 | 2019-06-12 | Angle bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087838U true CN210087838U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920882931.7U Active CN210087838U (en) | 2019-06-12 | 2019-06-12 | Angle bearing |
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| CN (1) | CN210087838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107598A (en) * | 2019-06-12 | 2019-08-09 | 广州泰科节能环保科技有限公司 | A kind of angle bearing |
-
2019
- 2019-06-12 CN CN201920882931.7U patent/CN210087838U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107598A (en) * | 2019-06-12 | 2019-08-09 | 广州泰科节能环保科技有限公司 | A kind of angle bearing |
| CN110107598B (en) * | 2019-06-12 | 2024-08-16 | 广州泰科节能环保科技有限公司 | Angle bearing |
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