CN202402460U - Pin shaft for large arm of excavator - Google Patents
Pin shaft for large arm of excavator Download PDFInfo
- Publication number
- CN202402460U CN202402460U CN2011205345522U CN201120534552U CN202402460U CN 202402460 U CN202402460 U CN 202402460U CN 2011205345522 U CN2011205345522 U CN 2011205345522U CN 201120534552 U CN201120534552 U CN 201120534552U CN 202402460 U CN202402460 U CN 202402460U
- Authority
- CN
- China
- Prior art keywords
- pin
- excavator
- pivot pin
- guide
- hiding
- 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 - Lifetime
Links
Images
Landscapes
- Component Parts Of Construction Machinery (AREA)
Abstract
The utility model belongs to the field of mechanical operation, and in particular relates to a pin shaft for a large arm of an excavator. The pin shaft at least comprises a shaft pin and a pin sleeve sleeved on the shaft pin, and is characterized in that a plurality of hidden pits are formed on the contact surfaces of the shaft pin and the pin sleeve; and a lubricant is filled in a gap between the shaft pin and the pin sleeve. The lubricant is filled in the gap between the shaft pin and the pin sleeve, and the hidden pits are formed on the contact surfaces of the shaft pin and the pin sleeve, so that a hidden self-sealing effect is achieved; and meanwhile, the service life of the excavator is prolonged, and normal, stable and high-efficiency operation is ensured.
Description
Technical field
The utility model belongs to the mechanical work field, is the big arm bearing pin of excavator.
Background technique
Under the conventional lubrication condition, in the big arm swing process of excavator, during the friction of bearing pin, fricative oil film reached lubricated purpose after the rubbing surface when relying on non-the friction adhered to lubricant oil.Critical load problem when rubbing surface initially contacted when this lubricating system can only solve mechanical transmission position transmission of power; Variation along with mechanical movement environment terms and conditions; Conventional lubrication method and lubricant medium all can not make rubbing surface at utmost reduce wear; Lubricated effective date can not prolong at double, and the oiling agent storage that friction retains on the interface when taking place can't be guaranteed.
The model utility content
The purpose of the utility model provides the big arm bearing pin of a kind of excavator, has improved the frictional loss of traditional excavator in swing process, has increased the working life of excavator.
The technological scheme of the utility model is the big arm bearing pin of excavator, which comprises at least pivot pin and is sleeved on the guide on the pivot pin, and it is characterized in that: the surface of contact end of pivot pin and guide all is provided with some holes of hiding, and the gap location of pivot pin and guide is filled with oiling agent.
Open lattice structure is adopted in the described hole of hiding, and the size in the hole of hiding is Φ 2.5mm*1mm, and adjacent two distances of hiding between the hole are 5mm.
Described oiling agent adopts solid lubricant, and the dosage of oiling agent uses standard freely to overflow oiling agent as pivot pin and guide gap location.
The characteristics of the utility model are between the gap of pivot pin and guide, to be filled with oiling agent, and adopt the hole structure of hiding at the surface of contact of pivot pin and guide, make it form submarine selfsealings effect; Prolong the working life of excavator simultaneously, guaranteed the normal, steady, efficient of work.
Description of drawings
To combine embodiment that the utility model is further described below.
Fig. 1 is the structural representation of the big arm axle pin of excavator.
Fig. 2 is the assembly structure schematic representation of the big arm bearing pin of excavator.
Among the figure: 1, pivot pin; 2, guide; 3, the hole of hiding.
Embodiment
Like Fig. 1, shown in 2, the internal surface of table and guide 2 is provided with some open dot matrix hole 3 of hiding in the outside of pivot pin 1, and the size in the hole of hiding is Φ 2.5mm*1mm, and adjacent two distances of hiding between cheating are 5mm.
During work, pivot pin rotates in guide, because surface of contact has adopted the dot matrix hole structure of hiding, has guaranteed pivot pin and guide when friction relatively, and the free of discontinuities of oiling agent is additional.Simultaneously, in the engineering that constantly rubs, can between pivot pin and guide, form lubricant film, avoid direct friction, and then guaranteed the working life of excavator.
Claims (3)
1. the big arm bearing pin of excavator which comprises at least pivot pin and is sleeved on the guide on the pivot pin, and it is characterized in that: the surface of contact end of pivot pin and guide all is provided with some holes of hiding, and the gap location of pivot pin and guide is filled with oiling agent.
2. according to the big arm bearing pin of the excavator described in the claim 1, it is characterized in that: open lattice structure is adopted in the described hole of hiding, and the size in the hole of hiding is Φ 2.5mm*1mm, and adjacent two distances of hiding between the hole are 5mm.
3. according to the big arm bearing pin of the excavator described in the claim 1, it is characterized in that: described oiling agent adopts solid lubricant, and the dosage of oiling agent uses standard freely to overflow oiling agent as pivot pin and guide gap location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205345522U CN202402460U (en) | 2011-12-20 | 2011-12-20 | Pin shaft for large arm of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205345522U CN202402460U (en) | 2011-12-20 | 2011-12-20 | Pin shaft for large arm of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202402460U true CN202402460U (en) | 2012-08-29 |
Family
ID=46700110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205345522U Expired - Lifetime CN202402460U (en) | 2011-12-20 | 2011-12-20 | Pin shaft for large arm of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202402460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174735A (en) * | 2011-12-20 | 2013-06-26 | 西安奥奈特固体润滑工程学研究有限公司 | Excavator boom pin roll system |
-
2011
- 2011-12-20 CN CN2011205345522U patent/CN202402460U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174735A (en) * | 2011-12-20 | 2013-06-26 | 西安奥奈特固体润滑工程学研究有限公司 | Excavator boom pin roll system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1904400A (en) | Wind driven generation set main shaft self-aligning slide bearing | |
| CN201934508U (en) | Shaft sleeve | |
| CN203641278U (en) | Solid lubricating bearing with copper-alloy graphite groove | |
| CN202402460U (en) | Pin shaft for large arm of excavator | |
| CN2826059Y (en) | Joint bearing | |
| CN202251450U (en) | Internal gear shaft sleeve of speed reducer | |
| CN201575058U (en) | Special sealed double-row cylindrical roller bearing for railways | |
| CN103174742A (en) | Joint bearing system of automobile damper | |
| CN202701402U (en) | Sliding bearing of high-precision lathe main shaft | |
| CN204739035U (en) | Hydro -cylinder earrings with texturing friction is vice | |
| CN202597445U (en) | Knuckle bearing of automobile shock absorber | |
| CN203130803U (en) | Novel bearing bush | |
| CN202149140U (en) | Self-lubricating oscillating bearing | |
| CN203239763U (en) | Novel bearing pad | |
| CN103174735A (en) | Excavator boom pin roll system | |
| CN208348289U (en) | A kind of high-antiwear self-lubricating axle sleeve | |
| CN102384161A (en) | High-strength abrasion-resistant bearing | |
| CN201827235U (en) | Adsorption rolling bearing | |
| CN202160397U (en) | Lifter of tractor | |
| CN202252089U (en) | Structure of bearing part of plug valve shaft for water treatment | |
| CN202690754U (en) | Shaft bush | |
| CN201645344U (en) | Sliding seat of jaws | |
| CN203783677U (en) | Crankshaft and connecting rod mechanism | |
| CN202500901U (en) | Abrasion-resistant bearing bush | |
| CN203548578U (en) | Novel centrifugal self-lubricating tapered roller bearing retainer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170814 Address after: 719000, Yulin hi tech Zone, Shaanxi Province, Pearl Avenue, Changtai international 8 floor Co-patentee after: Xi'an Aonaite Solid Lubrication Engineering Research Co., Ltd. Patentee after: Yulin Changsheng Group Luqiao Engineering Construction Co., Ltd. Address before: 1402, room 2, unit 25, building 268, South Qujiang Road, Qujiang New District, Xi'an, Shaanxi, 710061 Patentee before: Xi'an Aonaite Solid Lubrication Engineering Research Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201125 Address after: No.01, 30 / F, block B, Yushang building, Mingzhu Avenue, high tech Industrial Park, Yulin City, Shaanxi Province Patentee after: Shaanxi Yuntai Industrial Integration Technology Co., Ltd Patentee after: XI'AN AONAITE SOLID LUBRICATION ENGINEERING RESEARCH Co.,Ltd. Address before: 719000 Shaanxi Yulin high tech Zone Pearl Road Changtai international 8 Building Patentee before: YULIN CITY CHANGSHENG GROUP ROAD AND BRIDGE ENGINEERING CONSTRUCTION Co.,Ltd. Patentee before: XI'AN AONAITE SOLID LUBRICATION ENGINEERING RESEARCH Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |
|
| CX01 | Expiry of patent term |