CN218325767U - Cross roller bearing - Google Patents
Cross roller bearing Download PDFInfo
- Publication number
- CN218325767U CN218325767U CN202222223845.XU CN202222223845U CN218325767U CN 218325767 U CN218325767 U CN 218325767U CN 202222223845 U CN202222223845 U CN 202222223845U CN 218325767 U CN218325767 U CN 218325767U
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- outer ring
- bearing
- ring
- wedge block
- roller
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Abstract
The utility model relates to a cross roller bearing belongs to bearing technical field. The bearing comprises a bearing outer ring, a bearing inner ring and rollers, wherein the bearing inner ring is arranged inside the bearing outer ring, the rollers are arranged in a roller path between the bearing outer ring and the bearing inner ring, outer ring ball mounting holes are formed in the bearing outer ring along the radial direction, and outer ring wedge blocks are arranged in the outer ring ball mounting holes; a conical pin is vertically arranged in a cavity of the outer ring ball mounting hole; the outer ring wedge block is fixed on the bearing outer ring through a taper pin; an O-shaped ring is assembled on the outer ring wedge block; the inner diameter of the outer ring ball mounting hole is d, the outer diameter of the roller is Dw, and d =1.5 × Dw-1.6 × Dw; the outer ring wedge block is in clearance fit with the outer ring ball installing hole, and the clearance is 0.015-0.040mm. Through the utility model provides an among the prior art when the inner circle structure is unsuitable to be opened and is used for adorning the wedge groove of roller, pack into the technical problem of roller through the outer lane opening.
Description
Technical Field
The utility model relates to a cross roller bearing belongs to bearing technical field.
Background
The crossed roller bearing can bear radial and axial loads and overturning moment due to high rigidity and high precision, and can still ensure the precision in use, so that the crossed roller bearing can be widely applied to various industries. Most of the existing crossed roller bearings are of an integral type, an inner ring and an outer ring are of a wedge groove, a roller is installed through the wedge groove of the inner ring, but some product structures are not suitable for the wedge groove of the inner ring, and an outer ring opening needs to be considered for installing the roller, so that the technical problems that when the wedge groove is not suitable for being opened through the inner ring structure, the roller is installed through the outer ring opening and the structure form of the opening is concrete need to be solved urgently in the technical field.
Disclosure of Invention
The utility model aims at solving the technical problem of how to pack into roller and concrete open structure form through the outer lane opening when the inner circle structure is unsuitable to open the wedge groove.
In order to achieve the purpose of solving the above problems, the technical solution adopted by the present invention is to provide a crossed roller bearing, which includes a bearing outer ring, a bearing inner ring and rollers, wherein the bearing inner ring is arranged inside the bearing outer ring, the rollers are arranged in a raceway between the bearing outer ring and the bearing inner ring, an outer ring ball mounting hole is arranged along the radial direction of the bearing outer ring, and an outer ring wedge block is arranged in the outer ring ball mounting hole; a conical pin is vertically arranged in a cavity of the outer ring ball mounting hole; the outer ring wedge block is fixed on the bearing outer ring through a taper pin; the outer ring wedge block is provided with an O-shaped ring; the inner diameter of the outer ring ball-mounting hole is d, the outer diameter of the roller is Dw, and d = 1.5-1.6 Dw; the outer ring wedge block is in clearance fit with the outer ring ball mounting hole, and the clearance is 0.015-0.040mm.
Preferably, the taper pin is A-shaped, the taper is 1.
Preferably, the periphery of the outer ring wedge block is provided with an annular groove for mounting an O-shaped ring, the diameter of the groove bottom is D1, and the groove width is b; the inner diameter of the O-shaped ring is D2, the wire diameter is D3, and the diameter of the outer ring wedge block is D; wherein (D-D1)/2 = D3-0.1, and the groove width b =2.0 × D3 to 2.1 × D3.
Preferably, the outer side end face of the outer ring wedge block is provided with a threaded hole, the diameter of the threaded hole is D4, and D4 is D/2-D/3.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a cross roller bearing with a wedge block on the outer ring; through the utility model provides an among the prior art when the inner circle structure is unsuitable to be opened and is used for adorning the wedge groove of roller, pack into the technical problem of roller through the outer lane opening.
Drawings
Fig. 1 is a schematic cross-sectional structural view of the cross roller bearing of the present invention;
FIG. 2 is a part diagram of an outer ring of the crossed roller bearing of the present invention;
FIG. 3 is a part diagram of an outer ring wedge block of the crossed roller bearing of the present invention;
fig. 4 is a part diagram of an O-ring of the crossed roller bearing of the present invention;
FIG. 5 is a part view of a cross roller bearing according to the present invention;
fig. 6 is a cylindrical roller part diagram of the crossed roller bearing of the present invention.
Reference numerals: 1. an outer race of the bearing; 2. a bearing inner race; 3. an outer ring wedge block; 4. a roller; 5, O-shaped rings; 6. a taper pin; 11. the outer ring is provided with a ball hole; 12. an outer ring conical hole; 31; an outer ring wedge block threaded hole; 32. an outer ring wedge block conical hole;
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings:
as shown in fig. 1-6, the utility model provides a crossed roller bearing, which comprises a bearing outer ring 1, a bearing inner ring 2 and rollers 4, wherein the bearing inner ring 2 is arranged inside the bearing outer ring 1, the rollers 4 are arranged in a raceway between the bearing outer ring 1 and the bearing inner ring 2, an outer ring ball-mounting hole 11 is arranged along the radial direction of the bearing outer ring 1, and an outer ring wedge block 3 is arranged in the outer ring ball-mounting hole 11; a taper pin 6 is vertically arranged with the cavity of the outer ring ball mounting hole 11; the outer ring wedge block 3 is fixed on the bearing outer ring 1 through a taper pin 6; an outer ring conical hole 12 for passing through the conical pin 6 is formed in the bearing outer ring 1; an outer ring wedge block conical hole 32 for passing through the conical pin 6 is formed in the outer ring wedge block 3; an O-shaped ring 5 is assembled on the outer ring wedge block 3; the inner diameter of the outer ring ball mounting hole 11 is d, the outer diameter of the roller 4 is Dw, and d =1.5 × Dw-1.6 × Dw; the outer ring wedge block 3 is in clearance fit with the outer ring ball installing hole 11, and the clearance is 0.015-0.040mm. The taper pin 6 is A-shaped, the taper is 1. The periphery of the outer ring wedge block 3 is provided with an annular groove for mounting the O-shaped ring 5, the diameter of the groove bottom is D1, and the groove width is b; the inner diameter of the O-shaped ring 5 is D2, the wire diameter is D3, and the diameter of the outer ring wedge block 3 is D; wherein (D-D1)/2 = D3-0.1, and the groove width b =2.0 × D3 to 2.1 × D3. And an outer ring wedge block threaded hole 31 is formed in the outer side end face of the outer ring wedge block 3, the diameter of the threaded hole is D4, and D4 is D/2-D/3.
Examples
The utility model provides a cross roller bearing of voussoir is taken to outer lane, bearing inner race 1 has outer lane dress ball hole 11, the internal diameter of outer lane dress ball hole 11 is D, the external diameter of roller 4 is Dw, D =1.5 Dw ~ 1.6 Dw, bearing inner race voussoir 3 and outer lane dress ball hole 11 clearance fit, 0.015 ~ 0.040mm is selected in the clearance, the diameter D of outer lane voussoir 3, after bearing inner race voussoir 3 packs into outer lane dress ball hole 11, need fasten with taper pin 6, the diameter of taper pin 6 used is D1, the product is selected according to standard GB/T117, the type is A type, tapering 1, length is L, wherein 1.5D is less than or equal to L and less than or equal to 3D, bearing inner race voussoir 3 is furnished with O type circle 5, the internal diameter of O type circle 5 is D2, the line footpath is D3, the groove bottom footpath of dress O type 5 is D1, (D-D1)/2 =d3-0.1, b = 2.1 d3D 3, the bearing inner race diameter is 31 ~ 3D terminal surface, the screw hole.
The foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the present invention in any way and in any way, and it should be understood that modifications and additions may be made by those skilled in the art without departing from the scope of the present invention. Those skilled in the art can make various changes, modifications and evolutions equivalent to those made by the above-disclosed technical content without departing from the spirit and scope of the present invention, and all such changes, modifications and evolutions are equivalent embodiments of the present invention; meanwhile, any changes, modifications and evolutions of equivalent changes made to the above embodiments according to the essential technology of the present invention still belong to the scope of the technical solution of the present invention.
Claims (4)
1. A crossed roller bearing comprises a bearing outer ring, a bearing inner ring and rollers, wherein the bearing inner ring is arranged inside the bearing outer ring, and the rollers are arranged in a roller path between the bearing outer ring and the bearing inner ring; a conical pin is vertically arranged in a cavity of the outer ring ball mounting hole; the outer ring wedge block is fixed on the bearing outer ring through a taper pin; the outer ring wedge block is provided with an O-shaped ring; the inner diameter of the outer ring ball-mounting hole is d, the outer diameter of the roller is Dw, and d = 1.5-1.6 Dw; the outer ring wedge block is in clearance fit with the outer ring ball mounting hole, and the clearance is 0.015-0.040mm.
2. A cross roller bearing according to claim 1, wherein the taper pin is of type a, has a taper of 1.
3. The crossed roller bearing according to claim 1, wherein the outer ring wedge block is provided with an annular groove for mounting an O-ring at the outer periphery, the groove bottom has a diameter D1, and the groove width is b; the inner diameter of the O-shaped ring is D2, the wire diameter is D3, and the diameter of the outer ring wedge block is D; wherein (D-D1)/2 = D3-0.1, and the groove width b =2.0 × D3 to 2.1 × D3.
4. The crossed roller bearing according to claim 3, wherein the outer side end face of the outer ring wedge block is provided with a threaded hole, the diameter of the threaded hole is D4, and D4 is D/2-D/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222223845.XU CN218325767U (en) | 2022-08-23 | 2022-08-23 | Cross roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222223845.XU CN218325767U (en) | 2022-08-23 | 2022-08-23 | Cross roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218325767U true CN218325767U (en) | 2023-01-17 |
Family
ID=84885157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222223845.XU Active CN218325767U (en) | 2022-08-23 | 2022-08-23 | Cross roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218325767U (en) |
-
2022
- 2022-08-23 CN CN202222223845.XU patent/CN218325767U/en active Active
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