CN101782066A - Lubrication device of plunger pump transmission mechanism - Google Patents
Lubrication device of plunger pump transmission mechanism Download PDFInfo
- Publication number
- CN101782066A CN101782066A CN200910095520A CN200910095520A CN101782066A CN 101782066 A CN101782066 A CN 101782066A CN 200910095520 A CN200910095520 A CN 200910095520A CN 200910095520 A CN200910095520 A CN 200910095520A CN 101782066 A CN101782066 A CN 101782066A
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- Prior art keywords
- plunger
- crankcase
- bearing
- connecting rod
- oil
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Abstract
The invention relates to a lubrication device of a plunger pump transmission mechanism. In the technical scheme, the lubrication device comprises a crankcase, a crankshaft is arranged in the crankcase and is driven by power, a crankshaft bearing is arranged in the matching position of the crankshaft and the crankcase, the crankshaft drives a connecting rod, the connecting rod drives a plunger through a plunger pin, and the plunger is matched with a plunger hole in the crankcase. The lubrication device is characterized in that the crankshaft bearing is a bearing completely sealed by high-temperature lubricating grease, a needle bearing is arranged in the large head of the connecting rod, the inner hole of the needle bearing is matched with the crankshaft, high-temperature lubricating grease is coated in the needle bearing, an oil-containing slide bearing is embedded in the small head of the connecting rod, the inner wall of the oil-containing slide bearing is matched with the plunger pin, a wear-resistant and high-temperature-resistant plunger sleeve is arranged in the plunger hole of the crankcase, and the inner wall of the plunger sleeve is matched with the plunger.
Description
Technical field
The present invention relates to plunger pump, particularly relate to a kind of lubricating fitting of plunger pump transmission mechanism.
Background technique
Plunger pump has in farm machinery and equipment for plant protection comparatively widely to be used, as water conservancy irrigation, agricultural spray medicine, weeding, desinsection; The orchard plumbing, the prevention and control of plant diseases, pest control; A plurality of fields such as warmhouse booth, plant's cooling, humidification and industry cleaning.But the driving mechanism of existing plunger pump is all by the oil lubrication in the crankcase; And before use,, will burn out crankshaft-and-connecting-rod and plunger, add interior each Sealing of crankcase and all be easy to leakage of oil, also can burn out bent axle, connecting rod and plunger in case leakage of oil is reduced to a certain degree the interior oil level of crankcase if forgotten oiling.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming of prior art, provide each bearing etc. of a kind of driving mechanism lubricated voluntarily, unlubricated oil in the crankcase, easy to operate, the lubricating fitting of the plunger pump transmission mechanism that using scope is wide.
The technological scheme of the lubricating fitting of plunger pump transmission mechanism of the present invention is: comprise crankcase, bent axle is installed in the crankcase, bent axle is driven by power, the cooperation place of bent axle and crankcase is equipped with crankshaft bearing, the bent axle drivening rod, connecting rod drives plunger through plunger pin, plunger hole in plunger and the crankcase matches, it is characterized in that described crankshaft bearing is the hermetically sealed bearing of high temperature grease, in the major part of described connecting rod needle bearing is installed, the needle bearing endoporus matches with bent axle, be coated with high temperature grease in the needle bearing, edge cover oil-containing sliding bearing among the microcephaly of connecting rod, the inwall of oil-containing sliding bearing matches with plunger pin, the plunger bushing of Wear-resistant, high-temperature resistant is installed in the plunger hole of described crankcase, and the inwall of plunger bushing matches with plunger.
The lubricating fitting of plunger pump transmission mechanism of the present invention, compared with the prior art, have following characteristics: the one, what the crankshaft bearing of prior art bent axle and crankcase cooperation place used for a long time is plain ball bearing, must lubricate by the lubricant oil in the crankcase, and the technical program adopts the hermetic ball bearing of high temperature resistant lubricating grease (promptly sealing the oil-containing ball bearing), self-lubrication during work, do not need the lubricant oil in the crankcase, the hermetically sealed ball bearing of high temperature resistant lubricating grease (sealing oil-containing ball bearing) though concrete structure belong to prior art, do not use at this place but there are forefathers, this programme has been obtained satisfied effect after using; The 2nd, the structure of connecting rod has been carried out improving design, the major part of prior art connecting rod is that two slit bamboo or chopped woods are connected by bolt, trouble (joint is regulated by pad) not only is installed, wearing and tearing easily, maintenance is inconvenient, and it is necessary with the oil lubrication in the crankcase, a lot of shortcomings are arranged, and the technical program makes the major part of connecting rod into integrated type, and in the major part tie rod holes needle bearing is installed, coat high temperature resistant lubricating grease in the needle bearing, the friction pair that cooperatively interacts of connecting rod and bent axle can lubricate voluntarily like this; And edge cover oil-containing sliding bearing (being powder metallurgy oil-impregnated bearing) in the small end con rod hole, connecting rod is lubricated voluntarily with the cooperation place that is connected of plunger pin, all need not the lubricant oil in the crankcase, reduce the wearing and tearing of plunger pin and tie rod holes simultaneously, overcome the shortcoming of prior art, though the concrete structure of needle bearing and oil-containing sliding bearing is a prior art, but do not use in plunger pump for a long time, the technical program has obtained beyond thought effect to two being used of bearing of cover in the improvement of connecting rod structure and the connecting rod; The 3rd, the plunger bushing of installation Wear-resistant, high-temperature resistant in the plunger hole of crankcase, inwall by plunger bushing matches with plunger, making can be without the oil lubrication in the crankcase between plunger and the crankcase plunger hole, make the connection cooperation places such as each bearing of plunger pump transmission mechanism lubricated voluntarily, reach unlubricated oil in the crankcase, overcome pump and refueled trouble before use, and prevented that leakage of oil etc. from burning out consequences such as bent axle, connecting rod and plunger.
The lubricating fitting of plunger pump transmission mechanism of the present invention, its described plunger bushing is that polyformaldehyde material is made, the polyformaldehyde material heat resistant and wear resistant is corrosion-resistant.Its described plunger bushing is that polytetrafluoroethylmaterial material is made, polytetrafluoroethylmaterial material intensity and hardness height, and the Wear-resistant, high-temperature resistant performance is good, long service life.
Description of drawings
Fig. 1 is the lubricating fitting structural representation of plunger pump transmission mechanism of the present invention;
Fig. 2 is that the A of Fig. 1 is to schematic representation;
Fig. 3 is an erection column plug sleeve schematic representation in the plunger hole of crankcase of the present invention;
Fig. 4 installs in the big end hole of connecting rod of the present invention the oil-containing sliding bearing schematic representation is installed in needle bearing and the microcephaly hole.
Embodiment
The present invention relates to the lubricating fitting of plunger pump transmission mechanism, as Fig. 1-shown in Figure 4, comprise crankcase 5, bent axle 6 is installed in the crankcase, bent axle is driven by power, bent axle 6 is equipped with crankshaft bearing with the cooperation place of crankcase 5, bent axle 6 drivening rods 7, connecting rod 7 drives plunger 9 through plunger pin 8, plunger hole 10 in plunger 9 and the crankcase matches, and it is characterized in that described crankshaft bearing is the hermetically sealed bearing 1 of high temperature grease, and needle bearing 2 is installed in the major part of described connecting rod 7, needle bearing 2 endoporus match with bent axle 6, be coated with high temperature grease in the needle bearing 2, edge cover oil-containing sliding bearing 3 among the microcephaly of connecting rod 7, the inwall of oil-containing sliding bearing 3 matches with plunger pin 8, the plunger bushing 4 of Wear-resistant, high-temperature resistant is installed in the plunger hole 10 of described crankcase 5, and the inwall of plunger bushing 4 matches with plunger 9.This programme compared with the prior art, have following characteristics: the one, what the crankshaft bearing of prior art bent axle 6 and crankcase 5 cooperation places used for a long time is plain ball bearing, must lubricate by the lubricant oil in the crankcase, and the technical program adopts the hermetic ball bearing 1 of high temperature resistant lubricating grease (promptly sealing the oil-containing ball bearing), self-lubrication during work, do not need the lubricant oil in the crankcase, the hermetically sealed ball bearing 1 of high temperature resistant lubricating grease (sealing oil-containing ball bearing) though concrete structure belong to prior art, do not use at this place but there are forefathers, this programme has been obtained satisfied effect after using; The 2nd, the structure of connecting rod 7 has been carried out improving design, the major part of prior art connecting rod is that two slit bamboo or chopped woods are connected by bolt, trouble (joint is regulated by pad) not only is installed, wearing and tearing easily, maintenance is inconvenient, and it is necessary with the oil lubrication in the crankcase, a lot of shortcomings are arranged, and the technical program makes the major part of connecting rod 7 into integrated type, and in the major part tie rod holes needle bearing 2 is installed, coat high temperature resistant lubricating grease in the needle bearing 2, connecting rod 7 can lubricate voluntarily with the friction pair that bent axle 6 cooperatively interacts like this; And edge cover oil-containing sliding bearing 3 (being powder metallurgy oil-impregnated bearing) in the small end con rod hole, connecting rod 7 is lubricated voluntarily with the cooperation place that is connected of plunger pin 8, all need not the lubricant oil in the crankcase, reduce the wearing and tearing of plunger pin and tie rod holes simultaneously, overcome the shortcoming of prior art, though the concrete structure of needle bearing 2 and oil-containing sliding bearing 3 is a prior art, but do not use in plunger pump for a long time, the technical program has obtained beyond thought effect to two being used of bearing of cover in the improvement of connecting rod structure and the connecting rod; The 3rd, the plunger bushing 4 of installation Wear-resistant, high-temperature resistant in the plunger hole 10 of crankcase 5, inwall by plunger bushing 4 matches with plunger 9, making can be without the oil lubrication in the crankcase between plunger 9 and crankcase 5 plunger holes 10, make the connection cooperation places such as each bearing of plunger pump transmission mechanism lubricated voluntarily, reach unlubricated oil in the crankcase, overcome pump and refueled trouble before use, and prevented that leakage of oil etc. from burning out consequences such as bent axle, connecting rod and plunger.Its described plunger bushing 4 can be made for polyformaldehyde material, and the polyformaldehyde material heat resistant and wear resistant is corrosion-resistant.Its described plunger bushing 4 can be made for polytetrafluoroethylmaterial material, polytetrafluoroethylmaterial material intensity and hardness height, and the Wear-resistant, high-temperature resistant performance is good, long service life.
Claims (3)
1. the lubricating fitting of plunger pump transmission mechanism, comprise crankcase (5), bent axle (6) is installed in the crankcase, bent axle is driven by power, bent axle (6) is equipped with crankshaft bearing with the cooperation place of crankcase (5), bent axle (6) drivening rod (7), connecting rod (7) drives plunger (9) through plunger pin (8), plunger hole (10) in plunger (9) and the crankcase matches, it is characterized in that described crankshaft bearing is the hermetically sealed bearing of high temperature grease (1), needle bearing (2) is installed in the major part of described connecting rod (7), needle bearing (2) endoporus matches with bent axle (6), needle bearing is coated with high temperature grease in (2), edge cover oil-containing sliding bearing (3) among the microcephaly of connecting rod (7), the inwall of oil-containing sliding bearing (3) matches with plunger pin (8), and the plunger bushing (4) of Wear-resistant, high-temperature resistant is installed in the plunger hole (10) of described crankcase (5), and the inwall of plunger bushing (4) matches with plunger (9).
2. the lubricating fitting of plunger pump transmission mechanism as claimed in claim 1 is characterized in that described plunger bushing (4) is made for polyformaldehyde material.
3. the lubricating fitting of plunger pump transmission mechanism as claimed in claim 1 is characterized in that described plunger bushing (4) is made for polytetrafluoroethylmaterial material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100955204A CN101782066B (en) | 2009-01-15 | 2009-01-15 | Lubrication device of plunger pump transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100955204A CN101782066B (en) | 2009-01-15 | 2009-01-15 | Lubrication device of plunger pump transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101782066A true CN101782066A (en) | 2010-07-21 |
| CN101782066B CN101782066B (en) | 2011-08-17 |
Family
ID=42522198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100955204A Expired - Fee Related CN101782066B (en) | 2009-01-15 | 2009-01-15 | Lubrication device of plunger pump transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101782066B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511242A (en) * | 2012-06-14 | 2014-01-15 | 罗伯特·博世有限公司 | Hydrostatic piston machine |
| CN105626511A (en) * | 2016-03-21 | 2016-06-01 | 浙江中煤机械科技有限公司 | Plunger pump |
| CN108105059A (en) * | 2018-01-03 | 2018-06-01 | 台州市华力机械有限公司 | A kind of plunger connection pump |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4808093A (en) * | 1987-03-20 | 1989-02-28 | Dresser Industries, Inc. | Vertical plunger pump with active plunger heat exchange |
| CN101059127A (en) * | 2007-05-31 | 2007-10-24 | 梁小恩 | Superhigh pressure three-cylinder plunger pump |
| CN101285465A (en) * | 2008-05-29 | 2008-10-15 | 梁国富 | High voltage oil-free small-sized plunger pump |
| CN201358914Y (en) * | 2009-01-15 | 2009-12-09 | 潘建民 | Lubrication device of plunger pump transmission mechanism |
-
2009
- 2009-01-15 CN CN2009100955204A patent/CN101782066B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511242A (en) * | 2012-06-14 | 2014-01-15 | 罗伯特·博世有限公司 | Hydrostatic piston machine |
| CN103511242B (en) * | 2012-06-14 | 2019-03-19 | 罗伯特·博世有限公司 | The piston machine of hydrostatic |
| CN105626511A (en) * | 2016-03-21 | 2016-06-01 | 浙江中煤机械科技有限公司 | Plunger pump |
| CN108105059A (en) * | 2018-01-03 | 2018-06-01 | 台州市华力机械有限公司 | A kind of plunger connection pump |
| CN108105059B (en) * | 2018-01-03 | 2023-10-24 | 台州市华力机械有限公司 | Plunger connecting pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101782066B (en) | 2011-08-17 |
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Granted publication date: 20110817 Termination date: 20120115 |