CN213597961U - Coal cutter traction shaft - Google Patents
Coal cutter traction shaft Download PDFInfo
- Publication number
- CN213597961U CN213597961U CN202022170986.0U CN202022170986U CN213597961U CN 213597961 U CN213597961 U CN 213597961U CN 202022170986 U CN202022170986 U CN 202022170986U CN 213597961 U CN213597961 U CN 213597961U
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- China
- Prior art keywords
- bearing
- self
- shaft
- left end
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- General Details Of Gearings (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
The utility model discloses a coal-winning machine pulls axle, including the shaft gear, 51 gears are installed to the right-hand member of shaft gear, the left end externally mounted of 51 gears has first self-aligning bearing, 51 gears right-hand member externally mounted has first cylindrical roller bearing, first cylindrical roller bearing's externally mounted has the bearing cup, the second self-aligning bearing is installed to the left end of shaft gear, the left end of shaft gear is located the right side of second self-aligning bearing and installs second cylindrical roller bearing, A type is circlip for the axle is installed to the left end of second self-aligning bearing, the axle sleeve before A type is circlip's externally mounted. The utility model discloses in, adopt the structure is pull to the formula of holding in the palm in the three points, reduced the production that load fracture, skew and rock the phenomenon when pulling the axle and bearing the axial moment of torsion, promoted and pull a driven stability to prolong the actual life who pulls the axle, reduced the later maintenance cost.
Description
Technical Field
The utility model relates to a coal-winning machine subassembly technical field especially relates to coal-winning machine pulls axle.
Background
A coal mining machine is one of main devices of fully mechanized mining complete equipment. Shearers have evolved from coal cutters. The coal mining machine is a large complex system integrating machinery, electricity and hydraulic pressure, the working environment is severe, and if a fault occurs, the whole coal mining work is interrupted, so that huge economic loss is caused. The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production. The mechanized coal mining can reduce the physical labor, improve the safety and achieve the purposes of high yield, high efficiency and low consumption. However, the existing traction shaft for the coal mining machine still has the defects that: most adopt single-ended spacing formula to pull the structure, this kind of structure has characteristics such as simple structure, dismouting maintenance convenience, but when traction bearing receives axial moment of torsion, easily produces load fracture, transmission skew and the phenomenon of rocking, and driven stability is relatively poor to reduced the actual life who pulls the axle, increased the later maintenance cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the coal mining machine traction shaft aims to solve the problems that the traditional coal mining machine traction shaft is easy to generate the phenomena of load fracture, transmission deviation and shaking in the transmission process, and the transmission stability is poor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
coal-winning machine pulls axle, including the shaft gear, 51 gears are installed to the right-hand member of shaft gear, the left end externally mounted of 51 gears has first self-aligning bearing, 51 gear right-hand member externally mounted has first cylindrical roller bearing, the externally mounted of first cylindrical roller bearing has the bearing cup, the left end installation second self-aligning bearing of shaft gear, the left end of shaft gear is located the right side of second self-aligning bearing and installs second cylindrical roller bearing, A type is circlip for the axle is installed to the left end of second self-aligning bearing, the externally mounted of A type is axle sleeve before circlip for the axle, install the distance cover between second self-aligning bearing and the preceding axle sleeve, the axle sleeve after fixedly connected with can be dismantled to the left end of preceding axle sleeve.
As a further description of the above technical solution:
an O-shaped sealing ring is sleeved on the outer side of the bearing cup and is made of an oil-resistant rubber material.
As a further description of the above technical solution:
and a second oil seal which is mutually attached to the second cylindrical roller bearing is arranged on the right side of the second cylindrical roller bearing outside the shaft gear.
As a further description of the above technical solution:
the left end of the 51 gear is provided with a first oil seal which is mutually attached to the first self-aligning bearing in a sleeved mode.
As a further description of the above technical solution:
the elastic retainer ring and the gasket for the A-type shaft are both made of 65Mn materials.
As a further description of the above technical solution:
the rear shaft sleeve and the front shaft sleeve are fixedly connected in a screwing mode through an M16 screw, and a gasket mutually attached to the rear shaft sleeve is sleeved on the M16 screw.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
in the utility model, a three-point inner supporting type traction structure is adopted, the left end of a shaft gear is provided with a front shaft sleeve and a rear shaft sleeve, the transmission part at the left end of the shaft gear can be processed by a limit bracket, meanwhile, a bearing cup, a first self-aligning bearing and a first cylindrical roller bearing are arranged on a 51 gear, the 51 gear stabilizing bracket can be arranged between the shaft gear and the bearing cup, the generation of the deviation phenomenon in the 51 gear transmission process is reduced, finally, a second cylindrical roller bearing is arranged on a gear shaft, after the gear shaft is arranged on the equipment, the second cylindrical roller bearing can carry out the third step of limit processing on the transmission part of the shaft gear, thereby reducing the generation of interference and vibration when the transmission part of the shaft gear is transmitted, the structure reduces the generation of load fracture, deviation and shaking phenomena when the traction shaft bears the axial torque, the stability of the traction shaft transmission is improved, thereby prolonging the actual service life of the traction shaft, the later maintenance cost is reduced.
Drawings
Fig. 1 is a schematic diagram of the structure of a traction shaft of a coal mining machine provided by the utility model;
fig. 2 is a left side view of the middle and rear axle sleeves of the present invention.
Illustration of the drawings:
1. a bearing cup; 2. a shaft gear; 3. distance sleeves; 4. 51 a gear; 5. the A-type shaft elastic retainer ring; 6. a first cylindrical roller bearing; 7. a first self-aligning bearing; 8. a second cylindrical roller bearing; 9. a second self-aligning bearing; 10. a first oil seal; 11. a second oil seal; 12. an O-shaped sealing ring; 13. a gasket; 14. m16 screw; 15. a front shaft sleeve; 16. and a rear shaft sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: coal-winning machine pulls axle, including shaft gear 2, 51 gear 4 is installed to shaft gear 2's right-hand member, 51 gear 4's left end externally mounted has first self-aligning bearing 7, 51 gear 4 right-hand member externally mounted has first cylindrical roller bearing 6, first cylindrical roller bearing 6's externally mounted has bearing cup 1, shaft gear 2's left end installation second self-aligning bearing 9, shaft gear 2's left end is located the right side of second self-aligning bearing 9 and installs second cylindrical roller bearing 8, A type is circlip 5 for the axle is installed to the left end of second self-aligning bearing 9, A type is axle sleeve 15 before circlip 5's externally mounted, install apart from cover 3 between second self-aligning bearing 9 and the preceding axle sleeve 15, fixedly connected with back axle sleeve 16 can be dismantled to the left end of preceding axle sleeve 15.
Specifically, as shown in fig. 1, the outside cover of bearing cup 1 is equipped with O-ring 12, O-ring 12 is made by resistant oil rubber material, this kind of material chooses for use, the oil resistance and the sealed effect of O-ring 12 have been promoted, the outside of shaft gear 2 is located the right side of second cylindrical roller bearing 8 and installs the second oil blanket 11 of laminating each other with second cylindrical roller bearing 8, the left end that 51 gear 4 is located the left side cover of first self-aligning bearing 7 is equipped with the first oil blanket 10 of laminating each other with first self-aligning bearing 7, the setting of O-ring 12, the sealed effect after the equipment of bearing cup 1 packing into has been promoted, the setting of first oil blanket 10 and second oil blanket 11, the sealed effect after shaft gear 2 packs into has been promoted.
Specifically, as shown in fig. 1 and 2, the circlip 5 and the washer 13 for the a-type shaft are both made of 65Mn material, and the selection of the material can make the circlip 5 and the washer 13 for the a-type shaft have excellent elastic deformation effect, so that the stability of the circlip 5 and the washer 13 for the a-type shaft after being fastened is improved, the rear shaft sleeve 16 and the front shaft sleeve 15 are fixedly connected in a screwing mode through the M16 screw 14, the washer 13 mutually attached to the rear shaft sleeve 16 is sleeved on the M16 screw 14, and the arrangement of the M16 screw 14 and the washer 13 can realize the detachable fixed connection processing between the front shaft sleeve 15 and the rear shaft sleeve 16.
The working principle is as follows: during the use, can install spacing between front axle sleeve 15 and rear axle sleeve 16 with circlip 5 through distance cover 3 and A type axle with shaft gear 2, alright overlap second cylindrical roller bearing 8 and second oil blanket 11 in proper order in the transmission position right side of shaft gear 2, just accomplished shaft gear 2 left end and the spacing processing at transmission position, install behind 51 gear 4 left end first self-aligning bearing 7 and first oil blanket 10, alright with 51 gear 4 installation fix the right-hand member at shaft gear 2, alright with 51 gear 4's right-hand member pack into bearing cup 1 through first cylindrical roller bearing 6 into, just accomplished shaft gear 2's three-point type inner support installation processing.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Coal-winning machine pulls axle, including shaft gear (2), its characterized in that, 51 gear (4) are installed to the right-hand member of shaft gear (2), the left end externally mounted of 51 gear (4) has first self-aligning bearing (7), 51 gear (4) right-hand member externally mounted has first cylindrical roller bearing (6), the externally mounted of first cylindrical roller bearing (6) has bearing cup (1), the left end installation second self-aligning bearing (9) of shaft gear (2), the left end of shaft gear (2) is located the right side of second self-aligning bearing (9) and installs second cylindrical roller bearing (8), circlip (5) for the A type axle is installed to the left end of second self-aligning bearing (9), the externally mounted of circlip (5) for the A type axle has preceding axle sleeve (15), install distance cover (3) between second self-aligning bearing (9) and preceding axle sleeve (15), the left end of the front shaft sleeve (15) is detachably and fixedly connected with a rear shaft sleeve (16).
2. The shearer loader traction shaft according to claim 1, characterized in that an O-ring (12) is sleeved on the outer side of the bearing cup (1), and the O-ring (12) is made of oil-resistant rubber material.
3. The shearer loader traction shaft according to claim 1, characterized in that a second oil seal (11) attached to the second cylindrical roller bearing (8) is mounted on the outside of the shaft gear (2) on the right side of the second cylindrical roller bearing (8).
4. The shearer loader traction shaft according to claim 1, wherein the left end of the 51-gear (4) on the left side of the first self-aligning bearing (7) is sleeved with a first oil seal (10) attached to the first self-aligning bearing (7).
5. The shearer loader haulage shaft of claim 1, wherein the circlip (5) and the washer (13) for the a-shaft are both made of 65Mn material.
6. The shearer loader traction shaft according to claim 1, wherein the rear bushing (16) and the front bushing (15) are fixedly connected by screwing an M16 screw (14), and a washer (13) attached to the rear bushing (16) is sleeved on the M16 screw (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022170986.0U CN213597961U (en) | 2020-09-28 | 2020-09-28 | Coal cutter traction shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022170986.0U CN213597961U (en) | 2020-09-28 | 2020-09-28 | Coal cutter traction shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213597961U true CN213597961U (en) | 2021-07-02 |
Family
ID=76589107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022170986.0U Expired - Fee Related CN213597961U (en) | 2020-09-28 | 2020-09-28 | Coal cutter traction shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213597961U (en) |
-
2020
- 2020-09-28 CN CN202022170986.0U patent/CN213597961U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |