CN103470937B - High-pressure pneumatic lubrication station - Google Patents
High-pressure pneumatic lubrication station Download PDFInfo
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- CN103470937B CN103470937B CN201310447166.3A CN201310447166A CN103470937B CN 103470937 B CN103470937 B CN 103470937B CN 201310447166 A CN201310447166 A CN 201310447166A CN 103470937 B CN103470937 B CN 103470937B
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- plunger
- pressure
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- oil
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- Lubrication Of Internal Combustion Engines (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention discloses a kind of high-pressure pneumatic lubrication station, comprises plunger pump, relief valve, gasoline tank, oiling base device, pressure gauge, pneumatic pump, pressure-operated valve, air solenoid valve; Pressurized air is divided into two tunnels through threeway, one tunnel enters pneumatic pump through pneumatic dyad and drives pneumatic pump reciprocating motion of the pistons, and plunger pump is arranged in gasoline tank, and pneumatic pump piston rod drives plunger pump to complete oil suction and force feed action, feed pressure oil in pipeline, another road pressurized air enters relief valve; Relief valve connects gasoline tank by oil return sebific duct; In relief valve, pressure-operated valve is set, sends electrical signal according to the pressure in pipeline road by pressure-operated valve, control air solenoid valve and cut off source of the gas.Advantage of the present invention is: working pressure is high, is applicable to various machinery centralized lubrication or single-point injection allocation oil-gun lubrication, and use safety, reliable, convenience, can reduce labor strength, low-carbon (LC), environmental protection.
Description
Technical field
The present invention relates to lubricating area, particularly a kind of high-pressure pneumatic lubrication station oil supply system.
Background technique
The rig that current mine uses, the seventies power shovel lubrication pneumatic pump come with main frame import, and manufactured through domestic manufacturer's mapping afterwards, supporting power shovel, on the equipment such as rig, the running through the more than ten years finds:
A, the past grease-added very sweat of gasoline tank, obtain needs two people and first pneumatic pump released from gasoline tank, then after store oil bung and attached lid are taken away, refuel with hand in gasoline tank.
B, scene of causing are polluted;
Often there is jam and do not commutate in the automatic reciprocating distribution device of C, pneumatic pump;
The hydraulic of D, oil pump is unstable, and oil pressure does not reach design load 32MPa;
When E, operation of oil pump, do not have pressure to show, do not know whether oil pump works;
The frequent leakage of oil of relief valve of F, system oil return or needle-valve are not opened, and can not get abundant oil return, impact system oiling next time.So it is simple to be badly in need of a kind of structure aborning, high-pressure pneumatic lubrication station easy to use.
Summary of the invention
For solving the problems of the technologies described above, technical solution of the present invention is:
A kind of high-pressure pneumatic lubrication station, comprises plunger pump, relief valve, gasoline tank, oiling base device, pressure gauge, pneumatic pump, pressure-operated valve, air solenoid valve; Pressurized air is divided into two tunnels through threeway, one tunnel enters pneumatic pump through pneumatic dyad and drives pneumatic pump reciprocating motion of the pistons, and plunger pump is arranged in gasoline tank, and pneumatic pump piston rod drives plunger pump to complete oil suction and force feed action, feed pressure oil in pipeline, another road pressurized air enters relief valve; Relief valve connects gasoline tank by oil return sebific duct; In relief valve, pressure-operated valve is set, sends electrical signal according to the pressure in pipeline road by pressure-operated valve, control air solenoid valve and cut off source of the gas.
Described plunger pump comprises housing, plunger one, plunger two, plunger three, check valve, check ball one, check ball two; Plunger one, plunger two, plunger three connect successively, and plunger three is connected with pneumatic pump piston; The diameter of plunger two is greater than the diameter of plunger one; The other end of plunger one connects oil suction plug; Check valve and plunger bushing one are set in the housing of the intermediate portion of plunger one, like this, form oil sucting cavity in the lower end of plunger one; Plunger bushing two is set in the housing of the joint of plunger one and plunger two, like this, forms pumping cavity in the upper end of plunger one; Plunger two is hollow, arranges check ball chamber at the axle center hole place of the upper end of plunger two, and check ball one diameter is less than the radial diameter that described check ball chamber radial diameter is greater than plunger two axle center hole simultaneously; Check ball two diameter is greater than check ball chamber radial diameter; The upper end of housing arranges Che Shi sealing; Oil-discharging cavity is formed between plunger bushing two and Che Shi seal.
Described relief valve comprises valve body, small piston, piston, cylinder body, seal ring etc., and described seal ring is arranged on piston, and described piston is arranged in cylinder body; Described piston arranges piston hole, and small piston is arranged in piston hole, and the bar portion of small piston is arranged on valve body bar portion through hole, arranges drainback passage between valve body and small piston, and the oil transportation channel of valve body is by small piston rod portion expanding channels drainback passage.
Described gasoline tank top arranges semicircle lid.
Described oil transportation pipeline road Bonding pressure table.
Advantage of the present invention is: working pressure is high, is applicable to various machinery centralized lubrication or single-point injection allocation oil-gun lubrication, and use safety, reliable, convenience, can reduce labor strength, low-carbon (LC), environmental protection.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
The plan view of Fig. 2 Fig. 1;
Fig. 3 is plunger pump structure schematic diagram;
Fig. 4 is structure of relief valve schematic diagram;
In figure, 1 relief valve, 2 pressure gauges, 3 pneumatic dyads, 4 pneumatic pumps, 5 pneumatic pump seats, 6 sebific ducts, 7 gasoline tanks, 8 oil-filling devices, 10 plunger pumps, 11 half domes, 12 handles, 13 bafflers, 14 pump seats, 15 gasoline tank seats, 16 threeways, 17 airducts, 18 fittings bodies, 19 air solenoid valve, 20 pressure-operated valves, 201 oil suction plugs, 202 plungers one, 203 check valves, 204 plunger bushings one, 205 plunger bushings two, 206 check balls one, 207 check balls two, 208 plungers three, 209 Che Shi sealings, 210 oil sucting cavities, 211 pumping cavities, 212 housings, 213 plungers two, 214 oil-discharging cavities, 215 joints, 216 check ball chambeies, 301 seal rings, 302 small pistons, 303 valve bodies, 304 cylinder bodies, 305 pistons, 306 oil transport pipelines, 307 small piston rod portions, 308 oil returning tubes.
Embodiment
Illustrate the present invention below in conjunction with accompanying drawing, as Figure 1-Figure 2, the present invention includes plunger pump 10, relief valve 1, gasoline tank 7, oiling base device 8, pressure gauge 2, pneumatic pump 4, pressure-operated valve 20, air solenoid valve 19; Pressurized air is divided into two tunnels through threeway 16, one tunnel enters pneumatic pump 4 through pneumatic dyad 3 and drives pneumatic pump reciprocating motion of the pistons, plunger pump 10 to arrange on pump seat 14 and inserts in gasoline tank 7, pneumatic pump 4 piston rod drives plunger pump 10 to complete oil suction and force feed action, feed pressure oil in pipeline road, another road pressurized air enters relief valve 1; Relief valve 1 connects gasoline tank 7 by oil return sebific duct; Pressure-operated valve 20 is set in relief valve 1, sends electrical signal to PLC according to the pressure in pipeline road by pressure-operated valve 20, control air solenoid valve 19 by PLC and cut off source of the gas.
Described plunger pump comprises housing 212, plunger 1, plunger 2 213, plunger 3 208, check valve 203, check ball 1, check ball 2 207; Plunger 1, plunger 2 213, plunger 3 208 connect successively, and plunger 3 208 is connected with pneumatic pump 4 piston; The diameter of plunger 2 213 is greater than the diameter of plunger 1; The other end of plunger 1 connects oil suction plug 201; Check valve 203 and plunger bushing 1 are set in the housing of the intermediate portion of plunger 1, like this, form oil sucting cavity 210 in the lower end (left direction of Fig. 3) of plunger one; Plunger bushing 2 205 is set in the housing of the joint of plunger 1 and plunger 2 213, like this, forms pumping cavity 211 in the upper end (left direction of Fig. 3) of plunger 1; Plunger 2 213 is hollow, arranges check ball chamber 216 at the axle center hole place of the upper end of plunger 2 213, and check ball 1 diameter is less than the radial diameter that described check ball chamber 216 radial diameter is greater than plunger 2 213 axle center hole simultaneously; Check ball 2 207 diameter is greater than check ball chamber 216 radial diameter; The upper end of housing arranges Che Shi sealing 209; Between plunger bushing 2 205 and Che Shi seal, 209 form oil-discharging cavity 214.
Described relief valve comprises valve body 303, small piston 302, piston 305, cylinder body 304, seal ring 301 etc., and described seal ring 301 is arranged on piston 305, and described piston 305 is arranged in cylinder body 304; Described piston 305 lower end arranges piston hole, small piston 302 is arranged in piston hole, the bar portion 307 of small piston is arranged on valve body bar portion through hole, arrange drainback passage 308 between valve body 303 and small piston rod 307, the oil transportation channel 306 of valve body 303 is by small piston rod portion expanding channels drainback passage 308.
Described gasoline tank 7 top arranges semicircle lid 11, and described semicircle lid 11 arranges handle 12.
Described oil transportation pipeline road Bonding pressure table 2.
In the present invention, pneumatic pump can adopt the model of the hamming field complete Co., Ltd of hydropneumatic: GZ-34:1.
Pressure-operated valve can adopt the model of Shanxi Fangsheng Hydraulic and Electrical Equipment Co., Ltd.: HBD7-40-L-000.
Air solenoid valve can adopt the model of the pneumatic complete Co., Ltd of Shanghai, Shanghai gas: 8020850G1/2.
PLC can adopt commercially available product, as Mitsubishi product, also can adopt the product of other companies.
Plunger pump working principle is: when cylinder piston up mobile time, plunger three is pulled by piston rod, plunger two, plunger one oil suction plug is up together, diameter like this due to plunger two is larger than the diameter of plunger one, so form negative pressure in pumping cavity, under differential pressure action, two check balls are closed, check valve opens oil suction plug, lubricating grease is brought in pumping cavity, when down stroke, form malleation check valve in pumping cavity to close, two check balls are opened, pressure oil enters oil-discharging cavity through the hollow of plunger two, drain in relief valve again and go, meanwhile form negative pressure in oil sucting cavity, lubricating grease in oil drum enters oil pocket through the microscler duct of the pump housing, prepare for next time up.The height of delivery pressure, observes oil pressure gauge, regulates bleed pressure to reach.
Relief valve working principle is: when source of the gas is connected, pressurized air clamping piston makes small piston close drainback passage, supervisor carried by the pressure oil come by pump, after source of the gas cuts off, main oil pipe pressure oil backs down small piston and opens passage, pressure oil is made to return gasoline tank through sebific duct, removal main line pressure, to make the oilier in system reset, prepares action next time.
Gasoline tank is to provide plunger pump lubricating grease container.Lubricating grease turbidity test for pneumatic lubrication station require very strict, and the gasoline tank in the present invention is for oiling base device and can filter grease, improve turbidity test.For scene is easy to lubricate, plunger pump can be released oiling, open eccentric half dome, fall lubricating grease inward, reduce ambient contamination, convenient power is less reliable, environmental protection.
Technical parameter of the present invention is as follows:
High-pressure pneumatic lubrication station important technological parameters:
Nominal pressure: 50MPa
Oil supply ability: 20ML/CY
Reservoir stroke: 100mm
Bleed pressure: 0.2-0.6MPa
Pressure ratio (theory) 85:1
Fuel tank volume: 68L
Weight of equipment: 68Kg
Claims (4)
1. a high-pressure pneumatic lubrication station, is characterized in that, comprises plunger pump, relief valve, gasoline tank, oiling base device, pressure gauge, pneumatic pump, pressure-operated valve, air solenoid valve; Pressurized air is divided into two tunnels through threeway, one tunnel enters pneumatic pump through pneumatic dyad and drives pneumatic pump reciprocating motion of the pistons, and plunger pump is arranged in gasoline tank, and pneumatic pump piston rod drives plunger pump to complete oil suction and force feed action, feed pressure oil in pipeline, another road pressurized air enters relief valve; Relief valve connects gasoline tank by oil return sebific duct; In relief valve, pressure-operated valve is set, sends electrical signal according to the pressure in pipeline road by pressure-operated valve, control air solenoid valve and cut off source of the gas; Described plunger pump comprises housing, plunger one, plunger two, plunger three, check valve, check ball one, check ball two; Plunger one, plunger two, plunger three connect successively, and plunger three is connected with pneumatic pump piston; The diameter of plunger two is greater than the diameter of plunger one; The other end of plunger one connects oil suction plug; Check valve and plunger bushing one are set in the housing of the intermediate portion of plunger one, like this, form oil sucting cavity in the lower end of plunger one; Plunger bushing two is set in the housing of the joint of plunger one and plunger two, like this, forms pumping cavity in the upper end of plunger one; Plunger two is hollow, arranges check ball chamber at the axle center hole place of the upper end of plunger two, and check ball one diameter is less than the radial diameter that described check ball chamber radial diameter is greater than plunger two axle center hole simultaneously; Check ball two diameter is greater than check ball chamber radial diameter; The upper end of housing arranges Che Shi sealing; Oil-discharging cavity is formed between plunger bushing two and Che Shi seal.
2. high-pressure pneumatic lubrication station according to claim 1, is characterized in that, described relief valve comprises valve body, small piston, piston, cylinder body, seal ring etc., and described seal ring is arranged on piston, and described piston is arranged in cylinder body; Described piston arranges piston hole, and small piston is arranged in piston hole, and the bar portion of small piston is arranged on valve body bar portion through hole, arranges drainback passage between valve body and small piston, and the oil transportation channel of valve body is by small piston rod portion expanding channels drainback passage.
3. high-pressure pneumatic lubrication station according to claim 1, is characterized in that, described gasoline tank top arranges semicircle lid.
4. high-pressure pneumatic lubrication station according to claim 1, is characterized in that, described pipeline road Bonding pressure table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310447166.3A CN103470937B (en) | 2013-09-26 | 2013-09-26 | High-pressure pneumatic lubrication station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310447166.3A CN103470937B (en) | 2013-09-26 | 2013-09-26 | High-pressure pneumatic lubrication station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103470937A CN103470937A (en) | 2013-12-25 |
| CN103470937B true CN103470937B (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310447166.3A Expired - Fee Related CN103470937B (en) | 2013-09-26 | 2013-09-26 | High-pressure pneumatic lubrication station |
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| Country | Link |
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| CN (1) | CN103470937B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386699B (en) * | 2018-05-15 | 2024-05-28 | 许昌学院 | Full-automatic lubricating grease filling device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6311557B2 (en) * | 1984-11-15 | 1988-03-15 | Daikin Kogyo Kk | |
| CN2236598Y (en) * | 1995-12-22 | 1996-10-02 | 煤炭科学研究总院太原分院 | Pneumatic pressure large-flow-rate grease pump |
| CN2426063Y (en) * | 2000-02-28 | 2001-04-04 | 沈阳科微液压研究所 | Air power oil feeder |
| CN2519100Y (en) * | 2001-12-08 | 2002-10-30 | 黄振康 | Pneumatic fuel feed pump |
| CN2769662Y (en) * | 2005-03-04 | 2006-04-05 | 永嘉流遍机械润滑有限公司 | Micro-electric fat lubricating pump |
| CN201810508U (en) * | 2010-09-10 | 2011-04-27 | 富伟精机股份有限公司 | Multifunctional pneumatic pump |
| CN102997021A (en) * | 2012-10-29 | 2013-03-27 | 江苏鼎邦生物质能源机械有限公司 | Automatic grease injection device for pressing roller |
| CN203176467U (en) * | 2013-04-09 | 2013-09-04 | 大连兴龙液压有限公司 | Direct-acting type overflow valve |
| CN203463916U (en) * | 2013-09-26 | 2014-03-05 | 左政� | High-pressure pneumatic lubrication station |
-
2013
- 2013-09-26 CN CN201310447166.3A patent/CN103470937B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6311557B2 (en) * | 1984-11-15 | 1988-03-15 | Daikin Kogyo Kk | |
| CN2236598Y (en) * | 1995-12-22 | 1996-10-02 | 煤炭科学研究总院太原分院 | Pneumatic pressure large-flow-rate grease pump |
| CN2426063Y (en) * | 2000-02-28 | 2001-04-04 | 沈阳科微液压研究所 | Air power oil feeder |
| CN2519100Y (en) * | 2001-12-08 | 2002-10-30 | 黄振康 | Pneumatic fuel feed pump |
| CN2769662Y (en) * | 2005-03-04 | 2006-04-05 | 永嘉流遍机械润滑有限公司 | Micro-electric fat lubricating pump |
| CN201810508U (en) * | 2010-09-10 | 2011-04-27 | 富伟精机股份有限公司 | Multifunctional pneumatic pump |
| CN102997021A (en) * | 2012-10-29 | 2013-03-27 | 江苏鼎邦生物质能源机械有限公司 | Automatic grease injection device for pressing roller |
| CN203176467U (en) * | 2013-04-09 | 2013-09-04 | 大连兴龙液压有限公司 | Direct-acting type overflow valve |
| CN203463916U (en) * | 2013-09-26 | 2014-03-05 | 左政� | High-pressure pneumatic lubrication station |
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| CN103470937A (en) | 2013-12-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180808 Address after: 114018 No. 5, Shuang Gong Road, Tiexi District, Anshan, Liaoning. Patentee after: The new grand base fluid pressure lubricating Machinery Co., Ltd. in Liaoning Address before: 110011 2-6-1, 54 Nantong Tian Jie, Shenhe District, Shenyang, Liaoning. Patentee before: Zuo Zheng |
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| 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: 20160224 Termination date: 20180926 |