CN211009601U - Bearing axial locking device convenient to assemble - Google Patents
Bearing axial locking device convenient to assemble Download PDFInfo
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- CN211009601U CN211009601U CN201921753303.5U CN201921753303U CN211009601U CN 211009601 U CN211009601 U CN 211009601U CN 201921753303 U CN201921753303 U CN 201921753303U CN 211009601 U CN211009601 U CN 211009601U
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- 238000003825 pressing Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a bearing axial locking device convenient to assembly, establish the bearing in the pivot including pivot and cover, set gradually shaft shoulder, optical axis section and screw thread section in the pivot, the bearing is fixed on the optical axis section and one end supports the shaft shoulder that leans on the pivot, the other end passes through locking mechanism and screw thread section spiro union locking fixed along axial positioning, locking mechanism includes position sleeve, compresses tightly the cover; the positioning sleeve is a threaded sleeve provided with an axial central threaded hole, and the outer surface of the positioning sleeve is a stepped surface and is provided with a cylindrical section and a conical section in sequence along the axial direction; the positioning sleeve is in threaded sleeve connection with the threaded section of the rotating shaft and abuts against the inner ring of the bearing through the outer end face of the cylindrical section, a pressing sleeve is sleeved outside the conical section of the positioning sleeve, and a plurality of axial extrusion grooves are uniformly distributed in the central threaded hole of the conical section in the circumferential direction; the compressing sleeve is a sleeve with a conical through hole arranged along the axial direction, and the compressing sleeve is nested on the outer conical surface of the conical section and is connected in a wedge-shaped matching manner. The utility model discloses the violent construction has been avoided in the assembly of being convenient for, dismantles and maintains the convenience.
Description
Technical Field
The utility model belongs to large-scale rotating equipment field especially relates to a bearing axial locking device convenient to assembly.
Background
At present, the manufacturing industry of large-scale rotating equipment is developed increasingly, so that the technology applied to the production of the large-scale rotating equipment is more and more precise to work, and the requirements are more and more strict. In the process of installation and disassembly, a convenient and efficient method is sought to improve the efficiency and quality of products.
When a large-scale rotating equipment bearing part is installed with a rotating shaft, in order to avoid the axial movement of the bearing along the rotating shaft, an original device and a gasket are stacked together, and the gasket and the device can be tightly clamped on the bearing through repeated beating of an iron hammer by an installer.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bearing axial locking device convenient to assembly, it damages seriously, dismantles the inconvenient problem of maintenance to the bearing in its aim at solution current large-scale rotating equipment's the bearing part and the pivot installation.
The utility model adopts the following technical scheme:
a bearing axial locking device convenient to assemble comprises a rotating shaft and a bearing sleeved on the rotating shaft, wherein a shaft shoulder, an optical shaft section and a threaded section are sequentially arranged on the rotating shaft, the bearing is fixed on the optical shaft section, one end of the bearing abuts against the shaft shoulder of the rotating shaft, the other end of the bearing is fixedly locked and fixed along the axial direction through a locking mechanism and the threaded section in a screwing mode, and the locking mechanism comprises a positioning sleeve and a pressing sleeve;
the positioning sleeve is a threaded sleeve provided with an axial central threaded hole, and the outer surface of the positioning sleeve is a stepped surface and is provided with a cylindrical section and a conical section in sequence along the axial direction;
the positioning sleeve is sleeved on the threaded section of the rotating shaft in a threaded manner and abuts against the bearing inner ring through the outer end face of the cylindrical section, the pressing sleeve is sleeved outside the conical section of the positioning sleeve, and a plurality of axial extrusion grooves are uniformly distributed in the central threaded hole of the conical section along the circumferential direction; the pressing sleeve is a sleeve with a conical through hole arranged along the axial direction, and the pressing sleeve is nested on the outer conical surface of the conical section and is connected in a wedge-shaped matching manner; the compression sleeve is fixedly connected with the end face of the cylindrical section of the positioning sleeve in a butt joint mode through a bolt, and the compression sleeve radially extrudes the axial extrusion groove to enable the conical section of the positioning sleeve to tightly hold the rotating shaft.
A plurality of axial threaded holes are uniformly distributed in the outer edge of the end face of the cylindrical section of the positioning sleeve along the circumferential direction; the outer edge of the end face of the pressing sleeve is provided with a countersunk through hole corresponding to the axial threaded hole along the circumferential direction, and a screw is inserted into the countersunk through hole and is fixedly connected with the axial threaded hole in a threaded manner so as to butt-joint and fix the pressing sleeve and the cylindrical section of the positioning sleeve together.
Two axial thread ejection through holes are symmetrically formed in the outer edge of the end face of the pressing sleeve.
And a plurality of communicated groove-shaped power assisting parts are axially arranged on the outer circumferential surface of the cylindrical section of the positioning sleeve and the outer circumferential surface of the pressing sleeve.
The outer diameter of the cylindrical section is larger than that of the conical section.
The conical surface of the conical section of the positioning sleeve gradually shrinks inwards in the direction away from the bearing.
The utility model has the advantages as follows:
the utility model discloses earlier set up the position sleeve in the pivot, fix a position the bearing through the position sleeve, reuse and compress tightly the tight fit position of cover on to the position sleeve and compress tightly the location, use helping hand portion at this in-process, violence construction in the past has been avoided, thereby only need to equip the position sleeve and compress tightly the cover through helping hand portion and reach bearing axial locking, the purpose of the assembly of being convenient for has not only been realized, the fixed mode of violence construction in the past has been avoided simultaneously and also very convenient on the maintenance is dismantled to the later stage.
Description of the drawings:
fig. 1 is the structure assembly completion diagram of the present invention.
Fig. 2 is a schematic side view of the positioning sleeve of the present invention.
Fig. 3 is a schematic top view of the positioning sleeve of the present invention.
Fig. 4 is the utility model discloses compress tightly the cover and look sideways at the sketch map.
Fig. 5 is a schematic top view of the pressing sleeve of the present invention.
Fig. 6 is a schematic bottom view of the pressing sleeve of the present invention.
Reference numerals:
10-positioning sleeve, 12-cylindrical section, 15-conical section, 16-extrusion groove, 20-pressing sleeve, 22-conical through hole, 31-axial threaded hole, 32-countersunk through hole, 40-rotating shaft, 41-bearing, 42-shaft shoulder, 50-thread ejecting through hole and 51-groove-shaped power assisting part
The specific implementation mode is as follows:
the following describes the embodiments of the present invention with reference to the accompanying drawings.
The operation of the device is described in detail below with reference to the drawings in the examples.
As shown in fig. 1, 2, 3, 4, 5, and 6, an axial locking device for a bearing convenient to assemble includes a rotating shaft 40 and a bearing 41 sleeved on the rotating shaft 40, wherein a shaft shoulder, an optical axis section, and a thread section are sequentially disposed on the rotating shaft 40, the bearing 41 is fixed on the optical axis section, one end of the bearing abuts against the shaft shoulder 42 of the rotating shaft 40, the other end of the bearing is screwed and locked with the thread section by a locking mechanism and is fixed along an axial direction, and the locking mechanism includes a positioning sleeve 10 and a pressing sleeve 20;
the positioning sleeve 10 is a threaded sleeve provided with an axial central threaded hole, and the outer surface of the positioning sleeve 10 is a stepped surface and is provided with a cylindrical section 12 and a conical section 15 in sequence along the axial direction, which is shown in the attached figures 1 and 2;
the positioning sleeve 10 is sleeved on the threaded section of the rotating shaft 40 in a threaded manner and abuts against the inner ring of the bearing 41 through the outer end face of the cylindrical section 12, the pressing sleeve 20 is sleeved outside the conical section 15 of the positioning sleeve 10, and a plurality of axial extrusion grooves 16 are uniformly distributed in the central threaded hole of the conical section 15 along the circumferential direction; the pressing sleeve 20 is a sleeve provided with a conical through hole 22 along the axial direction, and the pressing sleeve 20 is nested on the outer conical surface of the conical section 15 and is connected in a wedge-shaped matching manner; the end faces of the compression sleeve 20 and the cylindrical section 12 of the positioning sleeve 10 are butted and fixed through bolts, and the compression sleeve 20 radially presses the axial pressing groove 16 to enable the conical section 15 of the positioning sleeve 10 to tightly hold the rotating shaft 40, as shown in fig. 1, 2 and 6.
A plurality of axial threaded holes 31 are uniformly distributed in the outer edge of the end face of the cylindrical section 12 of the positioning sleeve 10 along the circumferential direction; the outer edge of the end face of the pressing sleeve 20 is provided with a countersunk through hole 32 corresponding to the axial threaded hole 31 along the circumferential direction, and a screw is inserted into the countersunk through hole 32 and the axial threaded hole 31 to butt and fix the pressing sleeve 20 and the cylindrical section 12 of the positioning sleeve 10 together in a threaded connection and fixation manner, see fig. 3, 4 and 5.
Two axial thread ejection through holes 50 are symmetrically arranged on the outer edge of the end face of the pressing sleeve 20, see fig. 5.
A plurality of groove-shaped power assisting parts 51 which are communicated with each other are axially arranged on the outer circumferential surface of the cylindrical section 12 of the positioning sleeve 10 and the outer circumferential surface of the pressing sleeve 20, and refer to fig. 1, 2 and 3.
The outer diameter of the cylindrical section 12 is larger than the outer diameter of the conical section 15, see fig. 1 and 2.
The conical surface of the conical section 15 of the positioning sleeve 10 tapers inwardly in the direction away from the bearing 41, see fig. 1 and 2.
When the worker needs to position the already assembled bearing 41 on the shaft 40 on the side facing axially away from the shoulder 42:
the first step is as follows: the direction that the cylinder section 12 of the position sleeve 10 firstly penetrates and the rotating shaft 40 are screwed in until one side of the bearing 41, which is far away from the shaft shoulder 42, is attached to the end face of the cylinder section 12, and in the screwing-in process, because the structure volume is large, the power assisting part 51 of the position sleeve 10 can be clamped by using a right-angle wrench and screwed in and screwed.
The second step is that: the pressing sleeve 20 penetrates through one end of the rotating shaft 40 in a direction matched with the conical section 15, after the conical surface of the conical hole of the pressing sleeve 20 contacts the pressing fit part, the right-angle wrench can be used again to clamp the power assisting part 51 on the pressing sleeve 20, the pressing sleeve 20 is tightly attached to the positioning sleeve 10, and the pressing sleeve 20 is nested on the conical section 15 and is fixedly connected with the positioning sleeve 10 through a screw due to the fact that the pressing fit part is in a closing-up shape.
Through the steps, the assembly of the device on the rotating shaft 40 is smoothly completed, violent construction is avoided, and the bearing 41 is prevented from moving along the axial direction of the rotating shaft 40 in the rotating process of large-scale rotating equipment.
When the worker needs to separate the compression sleeve 20 from the positioning sleeve 10 in the device, the worker can use a tool to separate the compression sleeve 20 and the positioning sleeve 10 by removing the screw and using the ejection hole 50 with the threaded surface.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a bearing axial locking device convenient to assembly, includes pivot (40) and cover and establishes bearing (41) on pivot (40), its characterized in that: a shaft shoulder, an optical axis section and a threaded section are sequentially arranged on the rotating shaft (40), the bearing (41) is fixed on the optical axis section, one end of the bearing abuts against the shaft shoulder (42) of the rotating shaft (40), the other end of the bearing is in threaded connection with the threaded section through a locking mechanism, the locking mechanism is locked and fixed and is axially positioned, and the locking mechanism comprises a positioning sleeve (10) and a pressing sleeve (20);
the positioning sleeve (10) is a threaded sleeve provided with an axial central threaded hole, and the outer surface of the positioning sleeve (10) is a stepped surface and is sequentially provided with a cylindrical section (12) and a conical section (15) along the axial direction;
the positioning sleeve (10) is sleeved on the threaded section of the rotating shaft (40) in a threaded manner and abuts against the inner ring of the bearing (41) through the outer end face of the cylindrical section (12), the pressing sleeve (20) is sleeved outside the conical section (15) of the positioning sleeve (10), and a plurality of axial extrusion grooves (16) are uniformly distributed in the central threaded hole of the conical section (15) along the circumferential direction; the compression sleeve (20) is a sleeve provided with a conical through hole (22) along the axial direction, and the compression sleeve (20) is nested on the outer conical surface of the conical section (15) and is in wedge-shaped matching connection; the compression sleeve (20) is fixedly connected with the end face of the cylindrical section (12) of the positioning sleeve (10) in a butt joint mode through bolts, and the compression sleeve (20) radially extrudes the axial extrusion groove (16) to enable the conical section (15) of the positioning sleeve (10) to tightly hold the rotating shaft (40).
2. An axial locking device of a bearing convenient for assembly as claimed in claim 1, characterized in that a plurality of axial threaded holes (31) are uniformly distributed on the outer edge of the end face of the cylindrical section (12) of the locating sleeve (10) along the circumferential direction; the outer edge of the end face of the pressing sleeve (20) is provided with a countersunk through hole (32) corresponding to the axial threaded hole (31) along the circumferential direction, and a screw is inserted into the countersunk through hole (32) and the axial threaded hole (31) to fixedly butt the pressing sleeve (20) and the cylindrical section (12) of the positioning sleeve (10) together in a threaded connection mode.
3. An axial locking device of a bearing for facilitating assembly according to claim 1, characterized in that the outer edge of the end face of the pressing sleeve (20) is symmetrically provided with two axial thread ejecting through holes (50).
4. An axial locking device for a bearing, which is easy to assemble, as claimed in claim 1, characterized in that the outer circumferential surface of the cylindrical section (12) of the positioning sleeve (10) and the outer circumferential surface of the pressing sleeve (20) are provided with a plurality of through groove-shaped force-assisting portions (51) in the axial direction.
5. An axial locking device of a bearing for facilitating assembly according to claim 1, characterized in that the outer diameter of the cylindrical section (12) is larger than the outer diameter of the conical section (15).
6. An axial locking device of a bearing for facilitating assembly according to claim 1, characterized in that the conical surface of the conical section (15) of the locating sleeve (10) tapers inwardly in a direction away from the bearing (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921753303.5U CN211009601U (en) | 2019-10-18 | 2019-10-18 | Bearing axial locking device convenient to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921753303.5U CN211009601U (en) | 2019-10-18 | 2019-10-18 | Bearing axial locking device convenient to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211009601U true CN211009601U (en) | 2020-07-14 |
Family
ID=71507308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921753303.5U Active CN211009601U (en) | 2019-10-18 | 2019-10-18 | Bearing axial locking device convenient to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211009601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819147A (en) * | 2021-09-14 | 2021-12-21 | 西安交通大学 | A bearing axial locking device and assembling method thereof |
| CN115507728A (en) * | 2022-09-20 | 2022-12-23 | 中国人民解放军第五七二一工厂 | Positioning sleeve glue pouring positioning mechanism of axial clearance measuring device |
-
2019
- 2019-10-18 CN CN201921753303.5U patent/CN211009601U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819147A (en) * | 2021-09-14 | 2021-12-21 | 西安交通大学 | A bearing axial locking device and assembling method thereof |
| CN115507728A (en) * | 2022-09-20 | 2022-12-23 | 中国人民解放军第五七二一工厂 | Positioning sleeve glue pouring positioning mechanism of axial clearance measuring device |
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