CN203430981U - Novel lubricating structure for hinge pin of loading machine - Google Patents
Novel lubricating structure for hinge pin of loading machine Download PDFInfo
- Publication number
- CN203430981U CN203430981U CN201320566135.5U CN201320566135U CN203430981U CN 203430981 U CN203430981 U CN 203430981U CN 201320566135 U CN201320566135 U CN 201320566135U CN 203430981 U CN203430981 U CN 203430981U
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- China
- Prior art keywords
- oil
- shaped flange
- oil groove
- hinge pin
- sides
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- Expired - Fee Related
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000004519 grease Substances 0.000 description 7
- 238000012856 packing Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Abstract
The utility model relates to a novel lubricating structure for a hinge pin of a loading machine. The hinge pin penetrates through an assistant connecting part and is connected with a main connecting part, a shaft sleeve is arranged in an inner hole of the main connecting part, oil seals are arranged at two sides of the shaft sleeve, the main connecting part is composed of a main body and an irregularly-shaped flange, a counter bored hole in the irregularly-shaped flange is communicated with the inner hole through an oil duct, the outer side surface of the inner hole is an inclined surface, outer radial oil grooves are formed in two sides of an outer circumference of the shaft sleeve, outer axial oil grooves communicated with the outer radial oil grooves are uniformly formed in the outer circumference in an axial direction, an oil hole is formed in the middle of the outer axial oil groove and is connected with an inner radial oil groove connected with the inner circle of the shaft sleeve, inner oil grooves are formed in two sides of the inner radial oil groove, a sealing ring is arranged on the inclined surface of the outer side of an inner hole of the irregularly-shaped flange, and an oil cup is arranged in the counter bored hole of the irregularly-shaped flange. After the novel lubricating structure adopts the structure, the strength of the hinge pin is improved, so that the hinge pin is difficult to deform and fracture, the service life of the hinge pin is prolonged and the fault rate of the loading machine is reduced.
Description
Technical field
The utility model relates to a kind of pin shaft structure of loader.
Background technique
At present, the lubricated of loader bearing pin is in the axial end drilling of bearing pin, to have the oilhole of counterbore, and charge of oil cup on counterbore, radially bores oilhole at bearing pin, lubricating grease is squeezed into axial oilhole by lubricating cup like this, periphery through radial direction oil hole to bearing pin, lubricating pin shaft, reduces the friction between bearing pin and axle sleeve, this kind of structure, influential to bearing pin intensity, bearing pin is yielding, fracture, and trouble of loader rate is increased.
Summary of the invention
The novel object of the utility model is to provide a kind ofly can strengthen bearing pin intensity, prevent that bearing pin distortion fracture from improving its working life, reducing the loader bearing pin novel lubricating structure of trouble of loader rate.
The utility model is achieved in that bearing pin passes secondary link and main link, axle sleeve is contained in the endoporus of main link, oil sealing is contained in axle sleeve both sides, main link is comprised of main body and Special-shaped flange, counterbore on Special-shaped flange communicates with endoporus by oil duct, endoporus outside is inclined-plane, there is outer radial oil groove the excircle both sides of axle sleeve, at excircle, be axially evenly equipped with the outer axial oil groove being connected with outer radial oil groove, in the middle of outer axial oil groove, there is oilhole, interior radially oil groove in oilhole connecting bushing inner circle, inside radially there is inner oil sump oil groove both sides.
On the inclined-plane in Special-shaped flange endoporus outside, seal ring is housed, in the counterbore of Special-shaped flange, lubricating cup is housed.
Because the utility model has adopted said structure, increased the intensity of bearing pin, make bearing pin not yielding, fracture, in the working life of having improved bearing pin, reduced trouble of loader rate.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural drawing.
Fig. 2 is the structural drawing of main link in Fig. 1.
Fig. 3 is the structural drawing of Special-shaped flange in Fig. 2.
Fig. 4 is the three-dimensional structure diagram of Special-shaped flange in Fig. 2.
Fig. 5 is the structural drawing of Fig. 1 Intermediate shaft sleeve.
Fig. 6 is the three-dimensional structure diagram of Fig. 1 Intermediate shaft sleeve.
1 secondary link in figure, 2 main links, 3 bearing pins, 4 seal rings, 5 lubricating cups, 6 axle sleeves, 7 oil sealings, 8 bolts, 9 play in packing rings, 10 plain washers, 21 main bodys, 22 Special-shaped flanges, 221 counterbores, 222 oil ducts, 223 inclined-planes, 224 endoporus, 61 outer radial oil grooves, 62 outer axial oil grooves, 63 oilholes, 64 inner oil sumps, 65 radially oil groove.
Embodiment
Embodiment: bearing pin 3 is through secondary link 1 and main link 2, the two is linked together, and with bolt 8, play packing ring 9, plain washer 10 is fixed on secondary link 1, axle sleeve 6 is contained in the endoporus of main link 2, oil sealing 7 is contained in axle sleeve 6 both sides, can prevent that lubricating grease from oozing out, main link 2 is comprised of main body 21 and Special-shaped flange 22, Special-shaped flange 22 is Cast Steels, counterbore 221 on Special-shaped flange 22 communicates with endoporus 224 by oil duct 222, endoporus 224 outsides are inclined-plane 223, there is outer radial oil groove 61 the excircle both sides of axle sleeve 6, at excircle, be axially evenly equipped with the outer axial oil groove 62 being connected with outer radial oil groove 61, in the middle of outer axial oil groove 62, there is oilhole 63, interior radially oil groove 65 in oilhole 63 connecting bushing 6 inner circles, inside radially there is inner oil sump 64 oil groove 65 both sides, on the inclined-plane 223 in Special-shaped flange 22 endoporus outsides, be equipped with for dustproof seal ring 4, in the counterbore 221 of Special-shaped flange 222, be equipped with for injecting the lubricating cup 5 of lubricating grease.
As shown in Figure 1, the loader bearing pin novel lubricating structure that the utility model is invented is comprised of main link 2, secondary link 1, bearing pin 3, seal ring 4, lubricating cup 5, axle sleeve 6, oil sealing 7, bolt 8, bullet packing ring 9, plain washer 10.Wherein, main link 2 is comprised of main body 21 and Special-shaped flange 22, as shown in Figure 2, Special-shaped flange 22 is Cast Steels, prism is drilled with counterbore 221, counterbore 221 is oil duct 222 below, directly lead to endoporus 224, the outer side milling of endoporus 224 inclined-plane 223, as Fig. 3, shown in Fig. 4, the excircle both sides of axle sleeve 6 are milled with outer radial oil groove 61, at the axial uniform outer axial oil groove 62 that is milled with of excircle, be connected with outer radial oil groove 61, in the middle of outer axial oil groove 62, there is oilhole 63, interior radially oil groove 65 in oilhole 63 connecting bushing 6 inner circles, inside radially there is inner oil sump 64 oil groove 65 both sides, as Fig. 5, shown in Fig. 6, axle sleeve 6 is contained in the endoporus 224 of main link 2, oil sealing 7 is contained in axle sleeve 6 both sides, can prevent that lubricating grease from oozing out.Seal ring 4 is contained on the inclined-plane 223 of Special-shaped flange 22, for dustproof.Lubricating cup 5 is contained in the counterbore 221 of Special-shaped flange 22, is used for injecting lubricating grease.Bearing pin 3, through secondary link 1 and main link 2, links together the two, and is fixed on secondary link 1 with bolt 8, bullet packing ring 9, plain washer 10.
Greasing of the present utility model is such: with grease gun, aim at lubricating cup 5 and lubricating grease is squeezed in the oil duct 222 of Special-shaped flange 22, through oil duct 222, flow into outer radial oil groove 61, the outer horizontal oil groove 62 of axle sleeve 6, by oilhole 63, oil groove 65 radially in inflow, via inner oil sump 64 lubricating pin shafts 3.
Claims (2)
1. a loader bearing pin novel lubricating structure, bearing pin is through secondary link and main link, axle sleeve is contained in the endoporus of main link, oil sealing is contained in axle sleeve both sides, it is characterized in that: main link is comprised of main body and Special-shaped flange, counterbore on Special-shaped flange communicates with endoporus by oil duct, endoporus outside is inclined-plane, there is outer radial oil groove the excircle both sides of axle sleeve, at excircle, be axially evenly equipped with the outer axial oil groove being connected with outer radial oil groove, in the middle of outer axial oil groove, there is oilhole, interior radially oil groove in oilhole connecting bushing inner circle, inside radially there is inner oil sump oil groove both sides.
2. loader bearing pin novel lubricating structure according to claim 1, is characterized in that: on the inclined-plane in Special-shaped flange endoporus outside, seal ring is housed, in the counterbore of Special-shaped flange, lubricating cup is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566135.5U CN203430981U (en) | 2013-09-13 | 2013-09-13 | Novel lubricating structure for hinge pin of loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566135.5U CN203430981U (en) | 2013-09-13 | 2013-09-13 | Novel lubricating structure for hinge pin of loading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430981U true CN203430981U (en) | 2014-02-12 |
Family
ID=50060021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320566135.5U Expired - Fee Related CN203430981U (en) | 2013-09-13 | 2013-09-13 | Novel lubricating structure for hinge pin of loading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430981U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329553A (en) * | 2014-10-23 | 2015-02-04 | 中航飞机起落架有限责任公司 | Stress-free lubricating passage structure |
| CN106523527A (en) * | 2016-12-15 | 2017-03-22 | 荣成中磊石材有限公司 | Oil-lubricated shaft sleeve device |
| CN107618814A (en) * | 2017-09-20 | 2018-01-23 | 安徽绩溪徽山链传动有限公司 | A kind of high temperature resistant antiwear carrier chain |
| CN109162307A (en) * | 2018-10-10 | 2019-01-08 | 安溪起星晟汇机械科技有限公司 | A kind of low speed high load excavation construction machinery with butter distribution |
-
2013
- 2013-09-13 CN CN201320566135.5U patent/CN203430981U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329553A (en) * | 2014-10-23 | 2015-02-04 | 中航飞机起落架有限责任公司 | Stress-free lubricating passage structure |
| CN104329553B (en) * | 2014-10-23 | 2017-04-05 | 中航飞机起落架有限责任公司 | Unstressed lubrication channel structure |
| CN106523527A (en) * | 2016-12-15 | 2017-03-22 | 荣成中磊石材有限公司 | Oil-lubricated shaft sleeve device |
| CN107618814A (en) * | 2017-09-20 | 2018-01-23 | 安徽绩溪徽山链传动有限公司 | A kind of high temperature resistant antiwear carrier chain |
| CN109162307A (en) * | 2018-10-10 | 2019-01-08 | 安溪起星晟汇机械科技有限公司 | A kind of low speed high load excavation construction machinery with butter distribution |
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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: 20140212 |