CN203463916U - High-pressure pneumatic lubrication station - Google Patents
High-pressure pneumatic lubrication station Download PDFInfo
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- CN203463916U CN203463916U CN201320598072.1U CN201320598072U CN203463916U CN 203463916 U CN203463916 U CN 203463916U CN 201320598072 U CN201320598072 U CN 201320598072U CN 203463916 U CN203463916 U CN 203463916U
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- plunger
- pressure
- oil
- pneumatic
- valve
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- Reciprocating Pumps (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a high-pressure pneumatic lubrication station which comprises a plunger pump, an overflow valve, an oil storage barrel, an oil filling base device, a pressure gauge, a pneumatic pump, a pressure-operated valve and an air solenoid valve. Compressed air is divided into two branches through a tee joint, one branch of the compressed air enters the pneumatic pump through a pneumatic two-connection body to drive a pneumatic pump piston to perform reciprocating motion, the plunger pump is arranged in the oil storage barrel, a pneumatic pump piston rod drives the plunger pump to complete movements of oil suction and oil pressing so as to supply pressure oil to a pipe, and the other branch of the compressed air enters the overflow valve. The overflow valve is connected with the oil storage barrel through an oil return rubber hose. The pressure-operated valve is arranged in the overflow valve, and the pressure-operated valve sends out electric signals according to the pressure in an oil conveying pipe to control the air solenoid valve to cut off an air source. The high-pressure pneumatic lubrication station has the advantages of being high in operation pressure, suitable for centralization lubrication of various mechanical devices or lubrication of a single-point injection allocation oil gun, safe, reliable and convenient to use, capable of reducing labor intensity of workers, low in carbon and environmentally friendly.
Description
Technical field
The utility model relates to lubricated field, particularly a kind of high-pressure pneumatic lubrication station oil supply system.
Background technique
The rig that current mine is used, the lubricated pneumatic pump of power shovel is with main frame import, to come the seventies, through domestic manufacturer's mapping, manufactured afterwards, supporting power shovel, on the equipment such as rig, through the running of more than ten years, find:
A, toward the grease-added very sweat of gasoline tank, must need two people elder generations that pneumatic pump is released from gasoline tank, then after store oil bung and attached lid are taken away, with hand, in gasoline tank, refuel.
Pollute at B, the scene of causing;
Often there is jam and do not commutate in C, the automatic reciprocating distribution device of 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 or the needle-valve of F, system oil return are not opened, and can not get abundant oil return, impact system oiling next time.So be badly in need of aborning high-pressure pneumatic lubrication station a kind of simple in structure, easy to use.
Model utility content
For solving the problems of the technologies described above, technical solutions of the utility model are:
A 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, plunger pump is arranged in gasoline tank, pneumatic pump piston rod drives plunger pump to complete oil suction and force feed action, to feed pressure oil in pipeline, another road pressurized air enters relief valve; Relief valve connects gasoline tank by oil return sebific duct; Pressure-operated valve is set in relief valve, according to the pressure in pipeline road, by pressure-operated valve, sends electrical signal, control air solenoid valve shuts 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; In the housing of the intermediate portion of plunger one, check valve and plunger bushing one are set, like this, in the lower end of plunger one, form oil sucting cavity; In the housing of the joint of plunger one and plunger two, plunger bushing two is set, like this, in the upper end of plunger one, forms pumping cavity; Plunger two is hollow, at the axle center hole place of the upper end of plunger two, check ball chamber is set, 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 holes simultaneously; Check ball two diameters are greater than check ball chamber radial diameter; The upper end of housing arranges Che Shi sealing; Between plunger bushing two and Che Shi sealing, form oil-discharging cavity.
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 lower end 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, between valve body and small piston, drainback passage is set, and the oil transportation channel of valve body can connect drainback passage by small piston rod portion passage.
Described gasoline tank top arranges semicircle lid.
Described oil transportation pipeline road Bonding pressure table.
The utility model has the advantages that: working pressure is high, be applicable to various machinery centralized lubrications or single-point injection allocation oil-gun lubrication, use safety, reliable, convenient, can reduce labor strength, low-carbon (LC), environmental protection.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
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 valves, 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
Below in conjunction with accompanying drawing, illustrate the utility model, as Figure 1-Figure 2, the utility model comprises 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 arranges on pump seat 14 and inserts in gasoline tank 7, pneumatic pump 4 piston rods drive plunger pump 10 to complete oil suction and force feed action, to 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, according to the pressure in pipeline road, by pressure-operated valve 20, sends electrical signal to PLC, by PLC, control air solenoid valve 19 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 pistons; 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; In the housing of the intermediate portion of plunger 1, check valve 203 and plunger bushing 1 are set, like this, in the lower end of plunger one (left direction of Fig. 3), form oil sucting cavity 210; In the housing of the joint of plunger 1 and plunger 2 213, plunger bushing 2 205 is set, like this, in the upper end of plunger 1 (left direction of Fig. 3), forms pumping cavity 211; Plunger 2 213 is hollow, at the axle center hole place of the upper end of plunger 2 213, check ball chamber 216 is set, and check ball one 206 diameters are less than the radial diameter that described check ball chamber 216 radial diameter are greater than plunger 2 213 axle center holes simultaneously; Check ball 2 207 diameters are 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 sealing, 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 ends arrange 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, 307 of valve body 303 and small piston rods arrange drainback passage 308, and the oil transportation channel 306 of valve body 303 can connect drainback passage 308 by small piston rod portion passage.
Described gasoline tank 7 tops arrange semicircle lid 11, on described semicircle lid 11, handle 12 are set.
Described oil transportation pipeline road Bonding pressure table 2.
In the utility model, 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 Fang Sheng hydraulic pressure mechanical & electronic equipment corporation, Ltd: HBD7-40-L-000.
Air solenoid valve can adopt the model of Shanghai, the Shanghai pneumatic complete Co., Ltd of 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 when mobile, by piston rod, pull plunger three, plunger two, plunger one oil suction plug is up together, like this because the diameter of 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 is opened oil suction plug, lubricating grease is brought in pumping cavity, when down stroke, in pumping cavity, forming malleation check valve closes, two check balls are opened, pressure oil is through the hollow oil-discharging cavity that enters of plunger two, drain in relief valve and go again, meanwhile in oil sucting cavity, form negative pressure, lubricating grease in oil drum enters oil pocket through the microscler duct of the pump housing, for up preparing next time.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 sealing drainback passage, the pressure oil being come by pump is carried supervisor, after source of the gas cuts off, main oil pipe pressure oil backs down small piston and opens passage, make pressure oil return to gasoline tank through sebific duct, removal main line pressure, so that the oilier in system resets, prepares action next time.
Gasoline tank is to provide plunger pump lubricating grease container.Lubricating grease turbidity test requirement for pneumatic lubrication station is very strict, and the gasoline tank in the utility model is for oiling base device and can filter grease, improves turbidity test.Easy to lubricate for scene, the plunger pump oiling of releasing can be opened to eccentric half dome, fall inward lubricating grease, reduce surrounding environment and pollute, convenient power is reliable less, environmental protection.
Technical parameter of the present utility model 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 (5)
1.Yi Zhong 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, to feed pressure oil in pipeline, another road pressurized air enters relief valve; Relief valve connects gasoline tank by oil return sebific duct; Pressure-operated valve is set in relief valve, according to the pressure in pipeline road, by pressure-operated valve, sends electrical signal, control air solenoid valve shuts source of the gas.
2. high-pressure pneumatic according to claim 1 lubrication station, is characterized in that, 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; In the housing of the intermediate portion of plunger one, check valve and plunger bushing one are set, like this, in the lower end of plunger one, form oil sucting cavity; In the housing of the joint of plunger one and plunger two, plunger bushing two is set, like this, in the upper end of plunger one, forms pumping cavity; Plunger two is hollow, at the axle center hole place of the upper end of plunger two, check ball chamber is set, 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 holes simultaneously; Check ball two diameters are greater than check ball chamber radial diameter; The upper end of housing arranges Che Shi sealing; Between plunger bushing two and Che Shi sealing, form oil-discharging cavity.
3. high-pressure pneumatic according to claim 1 lubrication station, 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 lower end 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, between valve body and small piston, drainback passage is set, and the oil transportation channel of valve body can connect drainback passage by small piston rod portion passage.
4. high-pressure pneumatic according to claim 1 lubrication station, is characterized in that, described gasoline tank top arranges semicircle lid.
5. high-pressure pneumatic according to claim 1 lubrication station, is characterized in that described oil transportation pipeline road Bonding pressure table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598072.1U CN203463916U (en) | 2013-09-26 | 2013-09-26 | High-pressure pneumatic lubrication station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598072.1U CN203463916U (en) | 2013-09-26 | 2013-09-26 | High-pressure pneumatic lubrication station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463916U true CN203463916U (en) | 2014-03-05 |
Family
ID=50176283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320598072.1U Withdrawn - After Issue CN203463916U (en) | 2013-09-26 | 2013-09-26 | High-pressure pneumatic lubrication station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470937A (en) * | 2013-09-26 | 2013-12-25 | 左政� | High-pressure pneumatic lubrication station |
-
2013
- 2013-09-26 CN CN201320598072.1U patent/CN203463916U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470937A (en) * | 2013-09-26 | 2013-12-25 | 左政� | High-pressure pneumatic lubrication station |
| CN103470937B (en) * | 2013-09-26 | 2016-02-24 | 左政� | High-pressure pneumatic lubrication station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160224 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |