CN202418567U - Oil anti-leakage structure for rocker arm shaft of coal mining machine - Google Patents
Oil anti-leakage structure for rocker arm shaft of coal mining machine Download PDFInfo
- Publication number
- CN202418567U CN202418567U CN2011205515862U CN201120551586U CN202418567U CN 202418567 U CN202418567 U CN 202418567U CN 2011205515862 U CN2011205515862 U CN 2011205515862U CN 201120551586 U CN201120551586 U CN 201120551586U CN 202418567 U CN202418567 U CN 202418567U
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- China
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- wear
- rocker arm
- oil sealing
- gear shaft
- rocking arm
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- Expired - Fee Related
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Abstract
The utility model relates to an oil anti-leakage structure for a rocker arm shaft of a coal mining machine. The oil anti-leakage structure comprises the rocker arm shaft and a gear cavity, wherein the gear cavity penetrates through the rocker arm shaft; the gear cavity of the rocker arm shaft is provided with a gear shaft; one end in the gear shaft is provided with a plugging head; the other end of the gear shaft, which corresponds to the end provided with the plugging head, is provided with a wear-resistant sleeve in a sheathing manner; the gear shaft is provided with a high-temperature-resistant oil seal and a wear-resistant oil seal in a manner of corresponding to the end part sheathed with the wear-resistant sleeve, and the high-temperature-resistant oil seal and a wear-resistant oil seal are sheathed on the gear shaft; the gear shaft is in contact with the inner wall of the gear cavity by the high-temperature-resistant oil seal and the wear-resistant oil seal; and the side wall of the rocker arm shaft is provided with oil leaking holes which are communicated with the gear cavity, and are positioned between the high-temperature-resistant oil seal and the wear-resistant oil seal. The oil anti-leakage structure has the advantages that when the high-temperature-resistant oil seal is damaged, liquid oil can flow out of the rocker arm shaft by the oil leaking holes, so that the damage of the high-temperature-resistant oil seal can be found in time; simultaneously, the wear-resistant oil seal can prevent the liquid oil from entering a motor cavity, and a motor is prevented from being burnt; the oil anti-leakage structure is simple and compact, can be used for effectively preventing oil leakage to ensure the safety of the motor, and is safe and reliable.
Description
Technical field
The utility model relates to a kind of leak-proof arrangement, and the leak-proof arrangement that especially a kind of rocker arm of coal mining machine is belongs to the technical field of coal winning machine.
Background technique
Present one of the rocker arm of coal mining machine of domestic each producer phenomenon of ubiquity leakage of oil all, and the main cause of leakage of oil is that one on rocking arm is motor shaft, is the motor shaft input end; Rotating speed is high, and heating is fast, and oil sealing is very easily aging in working for a long time; The gear oil of rocking arm inner chamber damages, in case after oil sealing damaged, will penetrate in the motor cavity; If do not find when having the utmost point, be easy to motor is caused damage, also can influence the lubricated of rocker gear, bearing simultaneously.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the existing technology, and the leak-proof arrangement of one of a kind of rocker arm of coal mining machine is provided, and it is simple and compact for structure, can effectively prevent leakage of oil, guarantees motor safety, and is safe and reliable.
According to the technological scheme that the utility model provides, the leak-proof arrangement that said rocker arm of coal mining machine is comprises one on rocking arm and connects the gear cavity of one on said rocking arm; The Bearing Installation sprocket drive spindle of the gear cavity that said rocking arm is through being symmetrically distributed, the end in the said gear shaft is provided with plug; Gear shaft is with wear-resistant sleeve corresponding to the other end that plug is set; Gear shaft is provided with high temperature resistant oil sealing and wear-resisting oil sealing corresponding to the end that is with wear-resistant sleeve; High temperature resistant oil sealing and wear-resisting oil-sealing sleeve are on gear shaft; Gear shaft contacts with the gear cavity inwall through high temperature resistant oil sealing and wear-resisting oil sealing, and high temperature resistant oil sealing adjacent teeth wheel shaft is corresponding to the end that plug is set; The sidewall that rocking arm is one is provided with oil leaking hole, and said oil leaking hole is connected with gear cavity, and is positioned between high temperature resistant oil sealing and wear-resisting oil sealing.
Said high temperature resistant oil sealing adopts fluorine rubber to process.Said wear-resistant sleeve adopts alloyed steel to process, and handle through the polishing hard chromium plating on the wear-resistant sleeve surface.
One on said rocking arm is provided with end cap, and said end cap is positioned at an end of a corresponding contiguous plug of rocking arm, and end cap is through the fastening end that is installed on one on rocking arm of end cap fastening screw trip bolt.
Said plug is installed in the gear shaft through pressing plate and pressing plate fastening screw trip bolt.Be provided with the plug seal ring between said plug and gear shaft.
Be provided with the end bracket enclosed circle between the inwall that said end cap and rocking arm are.The axis that the axis of said gear shaft and rocking arm are one is located along the same line.
The advantage of the utility model: in one on the rocking arm gear shaft is set, an end of gear shaft is with wear-resistant sleeve, is with high temperature resistant oil sealing and wear-resisting oil sealing on the wear-resistant sleeve, on the sidewall that rocking arm is an oil leaking hole is set, and oil leaking hole is positioned between high temperature resistant oil sealing and wear-resisting oil sealing; When high temperature resistant oil sealing damaged, liquid oil can flow to outside one on the rocking arm through oil leaking hole, can in time find the infringement of high temperature resistant oil sealing; Wear-resisting oil sealing can avoid liquid oil to get in the motor cavity simultaneously; Avoid motor to be burnt out, simple and compact for structure, can effectively prevent leakage of oil; Guarantee motor safety, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in Figure 1: the utility model comprises end cap 1, gear shaft 2, plug 3, bearing 4, high temperature resistant oil sealing 5, wear-resisting oil sealing 6, wear-resistant sleeve 7, one 8 on rocking arm, oil leaking hole 9, gear cavity 10, end cap fastening screw trip bolt 11, plug seal ring 12, pressing plate fastening screw trip bolt 13, pressing plate 14 and end bracket enclosed circle 15.
As shown in Figure 1: in order to improve the anti-leakage of oil ability of one 8 on rocking arm, the centre area in one 8 on the said rocking arm is provided with gear cavity 10, and the axis that the axis of said gear cavity 10 and rocking arm are one 8 is located along the same line, and one 8 on gear cavity 10 perforation rocking arms.Through the bearing 4 that is symmetrically distributed gear shaft 2 is installed in the said gear cavity 10, the axis that the axis of said gear shaft 2 and rocking arm are one 8 is located along the same line.End in the gear shaft 2 is provided with plug 3; Said plug 3 is through pressing plate 14 and pressing plate fastening screw trip bolt 13 fastening being installed in the gear shaft 2; And be provided with plug seal ring 12 between the inwall of plug 3 and gear shaft 2, can place liquid oil through plug seal ring 12 and ooze out through the gap of 2 of plug 3 and gear shafts.Gear shaft 2 is corresponding to being with wear-resistant sleeve 7 on the other end outer wall that plug 3 is set, and said wear-resistant sleeve 7 adopts alloyed steel to process, and handle through the polishing hard chromium plating on the surface of wear-resistant sleeve 7.In order to improve anti-leakage of oil effect, gear shaft 2 is with high temperature resistant oil sealing 5 and wear-resisting oil sealing 6 corresponding to the end that wear-resistant sleeve 7 is set, and said wear-resisting oil sealing 6 is positioned at the end of gear shaft 2, and high temperature resistant oil sealing 5 adjacent teeth wheel shafts 2 are corresponding to the end that plug 3 is set.High temperature resistant oil sealing 5 adopts fluorine rubber to process.Gear shaft 2 contacts with the inwall of gear cavity 10 through high temperature resistant oil sealing 5 and wear-resisting oil sealing 6.The sidewall that rocking arm is one 8 is provided with oil leaking hole 9, the sidewall that said oil leaking hole 9 perforation rocking arms are one 8, and one 8 interior gear cavity 10 of oil leaking hole 9 and rocking arm is connected, and oil leaking hole 9 is between high temperature resistant oil sealing 5 and wear-resisting oil sealing 6.When high temperature resistant oil sealing 5 damaged, liquid oil can flow to outside one 8 on the rocking arm through oil leaking hole 9, is convenient in time find the damage of high temperature resistant oil sealing 5, can improve whole anti-leakage of oil effect through changing high temperature resistant oil sealing 5.
The end end that rocking arm is one 8 is provided with end cap 1; Said end cap 1 adjacent teeth wheel shaft 2 is corresponding to the end that plug 3 is set; End cap 1 is installed on one 8 on the rocking arm through end cap fastening screw trip bolt 11 is fastening, and the end that end cap 1 correspondence stretches in one 8 on the rocking arm links to each other with one 8 on rocking arm through end bracket enclosed circle 15.
As shown in Figure 1: during use, one 8 on rocking arm is installed on the output shaft of motor through the end that gear shaft 2 correspondences are provided with high temperature resistant oil sealing 5 and wear-resisting oil sealing 6.During work, the liquid oil in the gear cavity 10 that rocking arm is one 8 seals through high temperature resistant oil sealing 5 and wear-resisting oil sealing 6.When high temperature resistant oil sealing 5 damaged, wear-resisting oil sealing 6 can play seal action, avoids liquid oil to penetrate in the motor cavity.Simultaneously, when high temperature resistant oil sealing 5 damaged, liquid oil can flow to the outside of one 8 on rocking arm through oil leaking hole 9, can in time change the high temperature resistant oil sealing 5 of damage, and is easy to maintenance, improves the anti-leakage of oil reliability of one 8 on rocking arm.
Claims (8)
1. the leak-proof arrangement of one of a rocker arm of coal mining machine comprises rocking arm one (8) and connects the gear cavity (10) of said rocking arm one (8); It is characterized in that: the gear cavity (10) of said rocking arm one (8) is equipped with gear shaft (2) through the bearing (4) that is symmetrically distributed, and the end in the said gear shaft (2) is provided with plug (3); Gear shaft (2) is with wear-resistant sleeve (7) corresponding to the other end that plug (3) is set; Gear shaft (2) is provided with high temperature resistant oil sealing (5) and wear-resisting oil sealing (6) corresponding to the end that is with wear-resistant sleeve (7); High temperature resistant oil sealing (5) and wear-resisting oil sealing (6) are enclosed within on the gear shaft (2); Gear shaft (2) contacts with gear cavity (10) inwall through high temperature resistant oil sealing (5) and wear-resisting oil sealing (6), and high temperature resistant oil sealing (5) adjacent teeth wheel shaft (2) is corresponding to the end that plug (3) is set; The sidewall of rocking arm one (8) is provided with oil leaking hole (9), and said oil leaking hole (9) is connected with gear cavity (10), and is positioned between high temperature resistant oil sealing (5) and wear-resisting oil sealing (6).
2. the leak-proof arrangement that rocker arm of coal mining machine according to claim 1 is is characterized in that: said high temperature resistant oil sealing (5) adopts fluorine rubber to process.
3. the leak-proof arrangement that rocker arm of coal mining machine according to claim 1 is is characterized in that: said wear-resistant sleeve (7) adopts alloyed steel to process, and handle through the polishing hard chromium plating on wear-resistant sleeve (7) surface.
4. the leak-proof arrangement that rocker arm of coal mining machine according to claim 1 is; It is characterized in that: said rocking arm one (8) is provided with end cap (1); Said end cap (1) is positioned at an end of (8) corresponding contiguous plugs of rocking arm (3), and end cap (1) is through the fastening end that is installed on rocking arm one (8) of end cap fastening screw trip bolt (11).
5. the leak-proof arrangement that rocker arm of coal mining machine according to claim 1 is is characterized in that: said plug (3) is installed in the gear shaft (2) through pressing plate (14) and pressing plate fastening screw trip bolt (13).
6. the leak-proof arrangement that rocker arm of coal mining machine according to claim 1 is is characterized in that: be provided with plug seal ring (12) between said plug (3) and gear shaft (2).
7. the leak-proof arrangement that rocker arm of coal mining machine according to claim 4 is is characterized in that: be provided with end bracket enclosed circle (15) between the inwall of said end cap (1) and rocking arm one (8).
8. the leak-proof arrangement that rocker arm of coal mining machine according to claim 1 is is characterized in that: the axis of the axis of said gear shaft (2) and rocking arm one (8) is located along the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205515862U CN202418567U (en) | 2011-12-26 | 2011-12-26 | Oil anti-leakage structure for rocker arm shaft of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205515862U CN202418567U (en) | 2011-12-26 | 2011-12-26 | Oil anti-leakage structure for rocker arm shaft of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202418567U true CN202418567U (en) | 2012-09-05 |
Family
ID=46743337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205515862U Expired - Fee Related CN202418567U (en) | 2011-12-26 | 2011-12-26 | Oil anti-leakage structure for rocker arm shaft of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202418567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196529A (en) * | 2014-07-30 | 2014-12-10 | 徐州徐工基础工程机械有限公司 | Cutting arm structure favorable for keeping lubrication of bearing |
| CN105927729A (en) * | 2016-07-15 | 2016-09-07 | 哈尔滨博业科技开发有限责任公司 | Uniaxial structure of coal cutter cutting part |
-
2011
- 2011-12-26 CN CN2011205515862U patent/CN202418567U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196529A (en) * | 2014-07-30 | 2014-12-10 | 徐州徐工基础工程机械有限公司 | Cutting arm structure favorable for keeping lubrication of bearing |
| CN105927729A (en) * | 2016-07-15 | 2016-09-07 | 哈尔滨博业科技开发有限责任公司 | Uniaxial structure of coal cutter cutting part |
| CN105927729B (en) * | 2016-07-15 | 2019-01-01 | 哈尔滨博业科技开发有限责任公司 | One axis of winning machine cutting part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUXI JUTONG MINING MACHINERY CO., LTD. Free format text: FORMER OWNER: WUXI HUIHONG MACHINERY MANUFACTURING CO., LTD. Effective date: 20131220 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 214175 WUXI, JIANGSU PROVINCE TO: 214181 WUXI, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131220 Address after: 214181, No. 9, Luoyang Road, Huishan Economic Development Zone, Huishan District, Jiangsu, Wuxi Patentee after: Wuxi Jutong Mining Machinery Co., Ltd. Address before: 214175, 18 new East Road, A District, science and Technology Industrial Park, Huishan Economic Development Zone, Jiangsu, Wuxi Patentee before: Wuxi Huihong Machinery Manufacturing Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20161226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |