CN203362025U - Power head improving bearing abrasion caused by oil starvation - Google Patents
Power head improving bearing abrasion caused by oil starvation Download PDFInfo
- Publication number
- CN203362025U CN203362025U CN 201320296069 CN201320296069U CN203362025U CN 203362025 U CN203362025 U CN 203362025U CN 201320296069 CN201320296069 CN 201320296069 CN 201320296069 U CN201320296069 U CN 201320296069U CN 203362025 U CN203362025 U CN 203362025U
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- China
- Prior art keywords
- bearing
- driven gear
- power head
- wheel hub
- power box
- 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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Abstract
The utility model relates to the field of machines, in particular to the technical field of rotary drilling rig power head manufacturing, and discloses a power head improving bearing abrasion caused by oil starvation. The power head comprises a wheel hub, a power box body, a driving gear, a driven gear, a rotary support, a bearing and an output shaft lower cover. The driving gear, the driven gear, the rotary support and the bearing are arranged in the power box body, the driven gear is connected to the wheel hub through a transmission pin, the driven gear is meshed with the driving gear, the driven gear and the rotary support are integrally arranged, and the bearing is arranged between the power box body and the wheel hub and is closely attached to the output shaft lower cover. The inversion structure enables the rotary support and the bearing of the power head to be fully lubricated, the service life of the bearing is guaranteed, the service life of the power head is prolonged, maintenance cost is lowered, and working efficiency is improved.
Description
Technical field
The utility model relates to mechanical field, particularly the manufacturing technology field of rotary digging drill power head.
Background technology
Existing unit head comprises that wheel hub, power box, driven wheel, driven gear, revolution are supported, large bearing; Described driven wheel, driven gear, revolution are supported, large bearing is arranged in described power box, described driven gear is connected on described wheel hub by trundle, described driven gear and the engagement of described driven wheel, Integral design is supported in described driven gear and described revolution; Between described power box and described wheel hub, large bearing is set, described large bearing is close to the top of described power box; The unit head of said structure, when the revolution in it is supported on work, in below, revolution is supported all can obtain the sufficient lubrication of oil plant, and the large bearing in top often can not get the lubricated of oil plant, its high-frequency use makes rapid wearing own, make the unit head failure-frequency accelerate, use cost increases, and operating efficiency reduces.
The utility model content
The utility model provides a kind of unit head that improves the wearing and tearing of bearing oil starvation, purpose is to solve bearing between power box and wheel hub and can not get the sufficient lubrication of oil plant and rapid wearing, cause the unit head failure-frequency to be accelerated, use cost increases, the problem that operating efficiency reduces.
The utility model comprises wheel hub, power box, driven wheel, driven gear, bearing, output shaft lower cover; Described driven wheel, driven gear, bearing are arranged in described power box, described driven gear is connected on described wheel hub by bolt, trundle, described driven gear and the engagement of described driven wheel, Integral design is supported in described driven gear and described revolution, described bearing is arranged on described power box bottom, is close to described output shaft lower cover.
Structure of the present utility model and original product are relatively, it will turn round and support and large bearing upside-down mounting, when work, revolution is supported on, greatly bearing under inverted structure, this inverted structure can guarantee the application life of large bearing so that the revolution of unit head is supported and large bearing all can access sufficient lubricating, and the application life of unit head is also elongated, reduced maintenance cost, operating efficiency improves.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, this unit head comprises wheel hub 1, power box 2, driven wheel 3, driven gear, 4, bearing 5, output shaft lower cover 6; Wheel hub 1, driven wheel 3, driven gear 4, bearing 5 are arranged in power box 2, driven gear 4 is connected on wheel hub 1 by bolt, trundle, driven gear 4 and driven wheel 3 engagements, driven gear 4 supports Integral design with revolution, be connected to the top of power box 2 by bolt, trundle, between power box 2 and wheel hub 1, bearing 5 is set, bearing 6 is close to output shaft lower cover 6.
Claims (1)
1. improve the unit head of bearing oil starvation wearing and tearing, comprise wheel hub, power box, driven wheel, driven gear, bearing, output shaft lower cover; Described driven wheel, driven gear, bearing are arranged in described power box, described driven gear is connected on described wheel hub by bolt, trundle, described driven gear and the engagement of described driven wheel, Integral design is supported in described driven gear and described revolution, it is characterized in that described bearing is arranged on described power box bottom, is close to described output shaft lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320296069 CN203362025U (en) | 2013-05-28 | 2013-05-28 | Power head improving bearing abrasion caused by oil starvation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320296069 CN203362025U (en) | 2013-05-28 | 2013-05-28 | Power head improving bearing abrasion caused by oil starvation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203362025U true CN203362025U (en) | 2013-12-25 |
Family
ID=49809811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320296069 Expired - Fee Related CN203362025U (en) | 2013-05-28 | 2013-05-28 | Power head improving bearing abrasion caused by oil starvation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203362025U (en) |
-
2013
- 2013-05-28 CN CN 201320296069 patent/CN203362025U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20210528 |