CN1719091A - Oil filling machine driving air pump adapting electric controlle automatic reversing system and method - Google Patents
Oil filling machine driving air pump adapting electric controlle automatic reversing system and method Download PDFInfo
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- CN1719091A CN1719091A CN 200510027486 CN200510027486A CN1719091A CN 1719091 A CN1719091 A CN 1719091A CN 200510027486 CN200510027486 CN 200510027486 CN 200510027486 A CN200510027486 A CN 200510027486A CN 1719091 A CN1719091 A CN 1719091A
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Abstract
The present invention relates to a drive gas pump of oil injection machine adopting etectrocontrolled automatic reverse system and its method. Said invention provides the working principle of said drive gas pump and the concrete operation steps of said method, and can attain the goal of sucking and pressing the drying oil into the working face.
Description
Technical field
The present invention relates to the Lubricators actuation techniques, particularly relate to a kind of automatic reverse technology of driving air pump of the pneumatic Lubricators that is applicable to long-range, the multiple spot of machinery such as tunnelling works machinery, mining machinery, petroleum production machinery, building machinery, automobile, tractor, big flow dry oil lubrication.
Background technique
That the driving mechanism of existing Lubricators has is motor-driven, hydraulic power, form such as pneumatic, manual, electronic, mostly there is shortcoming such as complex structure, processing cost height, noise are big, operation effort and because of there is mechanical friction in changement, so also lack (life-span length also depends on processing technology, material, applying working condition etc.) working life.In pneumatic Lubricators, adopt motor-driven commutation, steel ball location, the mechanical impact mode is adopted in commutation, thereby drive the distributing valve controlling rod by piston rod and make the guiding valve commutation, control stroke by regulating the bump spacing, its complex structure, cost height, automaticity is low, the operation noise is big, and part hardness is required high, processed complex, maintenance difficult.
Summary of the invention
At the defective that exists in the above-mentioned prior art, technical problem to be solved by this invention provides a kind of oiling machine drive air pump and electric control automatic reversing method of simple in structure, cost is low, noise is low, motion is steady, commutation is reliable, automaticity is high, the life-span is long employing electric control automatic reversing system.
In order to solve the problems of the technologies described above, a kind of pneumatic oiling machine drive air pump that adopts the electric control automatic reversing system provided by the present invention comprises:
One pump body device is provided with a housing assembly and a piston assembly; Described housing assembly comprises cylinder barrel, connects the upper cylinder cover and the following cylinder cap of described cylinder barrel upper and lower end, is used for fixing described pull bar, nut, various packing ring and the seal ring etc. of cylinder cap up and down, and described upper cylinder cover and following cylinder cap are respectively equipped with gas port and following gas port; It is characterized in that, described cylinder barrel is with the effective metallic material manufacturing of saturating magnetic, described piston assembly comprises upper piston and the lower piston be located in the described cylinder barrel, be located at and describedly go up magnet ring between the lower piston, connect the described piston rod of going up lower piston, and described magnet ring is with the suitable permanent-magnet material manufacturing of magnetic intensity;
One control device for reversing, be provided with the automatic electromagnetic selector valve, connect the one-way throttle valve of described automatic electromagnetic selector valve gas port, be arranged at last dry-reed tube switch and following dry-reed tube switch, various tracheae and the pipe joint etc. of described cylinder barrel outer wall upper and lower end respectively, the gas port of respectively controlling of described automatic electromagnetic selector valve connects the last gas port of suction port, air outlet, described upper cylinder cover and the following gas port of described following cylinder cap respectively, and power supply is electrically connected first coil and second coil of described automatic electromagnetic selector valve respectively through described upward dry-reed tube switch and following dry-reed tube switch; When first coil electricity of described automatic electromagnetic selector valve, described suction port is connected the described gas port of going up, and described gas port is down connected in described air outlet; When second coil electricity of described automatic electromagnetic selector valve, described suction port is connected described gas port down, and the described gas port of going up is connected in described air outlet; Described one-way throttle valve is used for the travelling speed of control piston assembly; Described dry-reed tube switch is taked electromagnetic shielding measure, disturbs to prevent the external magnetic field.
When driving air pump work, when the described piston assembly that is provided with described magnet ring moves to the upper end of described cylinder barrel, described magnet ring makes the described dry-reed tube switch closure that goes up of described cylinder barrel outer wall upper end, with described first coil electricity of going up the described automatic electromagnetic selector valve that dry-reed tube switch is electrically connected, the pressurized gas of described driving air pump is gone up the rodless cavity that gas port enters described cylinder barrel top by described suction port through described, and described piston assembly commutation is moved down; When described piston assembly moves to the lower end of described cylinder barrel, described magnet ring makes the described dry-reed tube switch closure down of described cylinder barrel outer wall lower end, second coil electricity of the described automatic electromagnetic selector valve that is electrically connected with described down dry-reed tube switch, the pressurized gas of described driving air pump is advanced the rod chamber of described cylinder barrel bottom through described gas port down by described suction port, make in the described piston assembly commutation and move, so repeat to make described piston assembly in described cylinder barrel, to commutate up and down and move back and forth; With connecting rod the oiling cylinder of the piston rod of described driving air pump and Lubricators is linked, drive it and move back and forth together, press dry the purpose of oil to work surface to reach to inhale.
Preferably, described control device for reversing is provided with the oil sprayer that connects suction port, and described oil sprayer is used for the lubricated of air pump inner carrier assembly.
Preferably, described control device for reversing is provided with the silencing apparatus that connects the air outlet, and described silencing apparatus is used for the noise elimination of exhaust.
Preferably, described one-way throttle valve connects the air outlet of automatic electromagnetic selector valve.
Preferably, the suction port front end of described driving air pump is provided with filtering pressure reducer.
Preferably, the suction port front end of described driving air pump is provided with the solenoid directional control valve by the position limit switch control of oil mass detection system.
Preferably, described cylinder barrel is with the effective pure stainless steel material manufacturing of saturating magnetic.
Preferably, described magnet ring is made with the suitable terbium oxide ferrite permanent-magnet materials of magnetic intensity.
The electric control automatic reversing method of oiling machine drive air pump of the present invention, its step is as follows:
One, initialization:
Press hand-operated direction valve, start the oil mass detection system, detect the oil mass of drier oil bucket, have under the oil condition at the drier oil bucket and work to guarantee to drive air pump;
Press manually operated valve, pressurized gas enters into the driving air pump through the automatic electromagnetic selector valve;
Two, electric control automatic reversing process:
1) rod chamber air inlet: pressurized gas enters into the rod chamber that drives air pump by suction port, automatic electromagnetic selector valve, following gas port, and the return-air of rodless cavity is discharged by the air outlet through last gas port, automatic electromagnetic selector valve, one-way throttle valve, and piston assembly moves up;
2) piston moves up commutation for to move down: when piston assembly moves to the upper end of cylinder barrel, magnet ring in the piston assembly makes the last dry-reed tube switch closure of cylinder barrel outer wall upper end, power supply makes automatic electromagnetic selector valve first coil electricity by last dry-reed tube switch, suction port is connected gone up gas port, gas port down, piston assembly commutation are connected in the air outlet;
3) rodless cavity air inlet: pressurized gas by suction port, automatic electromagnetic selector valve, go up gas port and enter into and drive the air pump rodless cavity, the return-air of rod chamber is discharged by the air outlet through gas port, automatic electromagnetic selector valve, one-way throttle valve down, piston assembly moves down;
4) piston moves down commutation for to move up: when piston assembly moves to the lower end of cylinder barrel, magnet ring in the piston assembly makes the following dry-reed tube switch closure of cylinder barrel outer wall lower end, power supply makes automatic electromagnetic selector valve second coil electricity by following dry-reed tube switch, make suction port connect gas port down, the air outlet is connected and is gone up gas port, the piston assembly commutation; Repeat the step 1) of rod chamber air inlet;
Moved in circles by step 1) to step 4), commutation is mobile up and down repeatedly to make piston assembly; Drive piston rod, connecting rod are finished the oiling operation.
Utilize the oiling machine drive air pump of employing electric control automatic reversing provided by the invention system, because reversing mechanism adopts the ecp automatic reverse form of non-rubbing contact, has the advantage that noise is low, motion is steady, commutation is reliable, automaticity is high, the life-span is long so drive air pump; And reversing mechanism of the present invention, technological scheme is implemented quite simple, and part process is good, and all available corresponding bar of each parts and tubing processing can be finished whole machinings with machine tool; Dry-reed tube switch, air valve and solenoid valve etc. all have the standard piece supply, have advantage simple in structure, that cost is low so drive air pump.
Description of drawings
Fig. 1 is the cross-sectional view of embodiment of the invention oiling machine drive air pump;
Fig. 2 is that Fig. 1 embodiment's of the present invention B is to view;
Fig. 3 is the plan view after Fig. 1 embodiment oiling machine drive air pump of the present invention removes cover;
Fig. 4 is Fig. 3 embodiment's of the present invention part structure for amplifying schematic representation along the A-A line;
Fig. 5 is the fundamental diagram of the reversing mechanism of embodiment of the invention oiling machine drive air pump.
Embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
Referring to Fig. 1～shown in Figure 4, a kind of oiling machine drive air pump that adopts the electric control automatic reversing system that the embodiment of the invention provided comprises:
One pump body device is provided with a housing assembly and a piston assembly; Housing assembly comprise the pure stainless steel manufacturing that magnetic is effective cylinder barrel 6, the upper cylinder cover 4,36 and the following cylinder cap 10 that connect cylinder barrel 6 upper and lower end, is connected cylinder cap 10 down dry reed-pipe protecting sheet 37, be used for fixing pull bar 1, nut 2, various packing ring 5 and the seal ring 11,14,20 etc. of cylinder cap 4,10 up and down, upper cylinder cover 4 is respectively equipped with gas port 44 and following gas port 42 with following cylinder cap 10; The piston rod 9 that piston assembly comprises upper piston 22 and the lower piston 8 be located in the cylinder barrel 6, be located at magnet ring 7 between the lower piston 22,8, can move up and down in cylinder cap 10 down, last lower piston 22,8 is fixed on piston rod 9 upper ends by roundlet nut 19, lock washer 18, seal ring 17, and the permanent-magnet material terbium oxide ferrite that magnet ring 7 usefulness magnetic intensities are suitable is made; Pump housing cylinder bore is 230mm;
One control device for reversing, be provided with the automatic electromagnetic selector valve 28 of the control that is used to commutate, the one-way throttle valve 34 that connects automatic electromagnetic selector valve 28 air outlets, place the last dry-reed tube switch 23 and the following dry-reed tube switch 45 of cylinder barrel 6 outer wall upper and lower end respectively, the oil sprayer 30 that connects suction port, the silencing apparatus 35 that connects the air outlet, ply-yarn drill 24, various tracheaes 21 and pipe joint 25,26,31,32 etc., the gas port of respectively controlling of automatic electromagnetic selector valve 28 connects suction port 43 respectively, the air outlet, the last gas port 44 of upper cylinder cover 4 and the following gas port 42 of following cylinder cap 10, power supply are electrically connected first coil and second coil of automatic electromagnetic selector valve 28 respectively through last dry-reed tube switch 23 and following dry-reed tube switch 45; When first coil electricity of automatic electromagnetic selector valve 28, suction port 43 is connected and is gone up gas port 44, and gas port 42 is down connected in the air outlet; When second coil electricity of automatic electromagnetic selector valve 28, suction port 43 is connected gas port 42 down, and the air outlet is connected and gone up gas port 44; One-way throttle valve 34 is used for the travelling speed of control piston assembly; Oil sprayer 30 is used for the lubricated of air pump inner carrier assembly; Silencing apparatus 35 is used for the noise elimination of exhaust; The dry- reed tube switch 23,45 of the embodiment of the invention need be taked electromagnetic shielding measure, prevents the external magnetic field interference.
When driving air pump work, when the piston assembly that comprises upper piston 22, magnet ring 7 and lower piston 8 moves to the upper end of cylinder barrel 6, magnet ring 7 makes last dry-reed tube switch 23 closures of cylinder barrel 6 outer walls upper end, solenoid directional control valve 28 first coil electricities that are electrically connected with last dry-reed tube switch 23, the pressurized gas that drives air pump advances the rodless cavity on cylinder barrel 6 tops by suction port 43 through last gas port 44, and the piston assembly commutation is moved down; When piston assembly moves to the lower end of cylinder barrel 6, magnet ring 7 makes following dry-reed tube switch 45 closures of cylinder barrel 6 outer wall lower ends, solenoid directional control valve 28 second coil electricities that are electrically connected with following dry-reed tube switch 45, the pressurized gas that drives air pump is advanced the rod chamber of cylinder barrel 6 bottoms by gas port 42 under suction port 43 warps, make in the piston assembly commutation and move, so repeat just can make piston assembly in cylinder barrel, to commutate up and down and move back and forth; With connecting rod the oiling cylinder of the piston rod of driving air pump and Lubricators is linked, drive it and move back and forth together, press dry the purpose of oil to work surface to reach to inhale.
Referring to shown in Figure 5, a kind of control section of the oiling machine drive air pump of electric control automatic reversing system that adopts that the embodiment of the invention provided comprises reversing mechanism and oil mass detection system:
The gas circuit of oil mass detection system: decompressor 51, reduction valve 68, pressure gauge 67, hand-operated direction valve 64, throttle valve 63 after filtration are connected to lifting jar 62 (lifting jar 62 control position limit switches 69); Open hand-operated direction valve 64, gas is through reduction valve 68, enters into the oil mass that lifting jar 62 begins to move until detecting the drier oil bucket by throttle valve 63 and puts in place.Another road is to be connected to hand-operated direction valve 64 through safety check 65, push buttonvalve 66, and push buttonvalve 66 is given the tonifying Qi of drier oil bucket for conveniently getting bucket, and safety check 65 is provided with in order to prevent drier oil from entering gas circuit.
The gas circuit of reversing mechanism: decompressor 51 after filtration, control solenoid directional control valve 52, commutation reduction valve 53, pressure gauge 54, manually operated valve 55, oil sprayer 57, a control gas port that connects automatic electromagnetic selector valve 60 as suction port, the rodless cavity on cylinder barrel top connects another control gas port of automatic electromagnetic selector valve 60 through the last gas port of upper cylinder cover, the rod chamber warp of cylinder barrel bottom is an other control gas port of the following gas port connection automatic electromagnetic selector valve 60 of cylinder cap down, the air outlet of automatic electromagnetic selector valve 60 connects silencing apparatus 58 through one-way throttle valve 59, and piston is through piston rod, the oiling cylinder of connecting rod and Lubricators links;
The circuit of reversing mechanism: power supply connects last dry-reed tube switch 70 and the following dry-reed tube switch 71 that places cylinder barrel outer wall upper and lower end respectively through electric main switch 74, and the other end of last dry-reed tube switch 70 and following dry-reed tube switch 71 is connected first coil and second coil of automatic electromagnetic selector valve 60 respectively; Power supply connects control solenoid directional control valve 52 through position limit switch 69 in addition, and when oil was used up in the oil mass detection system detects the drier oil bucket, position limit switch 69 made control solenoid directional control valve 52 cut off the gas circuit that drives air pump automatically, and main gas circuit off-load is through silencing apparatus 56 exhausts.
The electric control automatic reversing method of the oiling machine drive air pump of the employing electric control automatic reversing system of the embodiment of the invention, its step is as follows:
One, initialization:
Electric main switch 74 closes;
Press hand-operated direction valve 64, start the oil mass detection system, detect the oil mass of drier oil bucket, have under the oil condition at the drier oil bucket and work to guarantee to drive air pump;
Press manually operated valve 55, gas enters into and drives air pump 61 through commutation reduction valve 53, oil sprayer 57, automatic electromagnetic selector valve 60 (having belonged to automatic mode);
Two, electric control automatic reversing process:
1) rod chamber air inlet: gas enters into by suction port, automatic electromagnetic selector valve 60, following gas port and drives air pump 61 rod chambers, the return-air of rodless cavity is through last gas port, automatic electromagnetic selector valve 60, one-way throttle valve 59, silencing apparatus 58, discharged by the air outlet, piston assembly 75 moves up;
2) piston moves up commutation for to move down: when piston assembly 75 moves to the upper end of cylinder barrel, magnet ring in the piston assembly 75 makes last dry-reed tube switch 70 closures that drive air pump 61 upper ends, power supply makes first coil electricity of automatic electromagnetic selector valve 60 by last dry-reed tube switch 70, suction port is connected gone up gas port, gas port is down connected in the air outlet, piston assembly 75 commutations;
3) rodless cavity air inlet: gas enters into by suction port, automatic electromagnetic selector valve 60, last gas port and drives air pump 61 rodless cavities, the return-air warp of rod chamber is gas port, automatic electromagnetic selector valve 60, one-way throttle valve 59, silencing apparatus 58 down, discharged by the air outlet, piston assembly 75 moves down;
4) piston moves down commutation for to move up: when piston assembly 75 moves to the lower end of cylinder barrel, magnet ring in the piston assembly 75 makes following dry-reed tube switch 71 closures that drive air pump 61 lower ends, power supply makes second coil electricity of automatic electromagnetic selector valve 60 by following dry-reed tube switch 71, make suction port connect gas port down, the air outlet is connected and is gone up gas port, piston assembly 75 commutations; Repeat the step 1 of rod chamber air inlet);
Moved in circles by step 1) to step 4), commutation is mobile up and down repeatedly to make piston assembly; Drive piston rod, connecting rod are finished the oiling operation.
In the above embodiment of the present invention, the aluminium manufacturing that the also available magnetic of described cylinder barrel is effective.
In the above embodiment of the present invention, described one-way throttle valve also can be arranged between suction port and the automatic electromagnetic selector valve (control gas port), is used for the travelling speed of control piston assembly.
In the above embodiment of the present invention, ferrite manufacturings such as the permanent-magnet material aluminium nickel cobalt that the also available magnetic intensity of described magnet ring is suitable, neodymium iron boron, strontium
In the above embodiment of the present invention, the cylinder diameter that drives air pump is Φ 230mm, and main other parts of use are as follows:
Dry-reed tube switch: the D series tongue type magnetic switch (D-A54) of Shanghai Li Dao;
Automatic electromagnetic selector valve: 2 five-way solenoid directional control valves (VF8220-4DZ204) of Shanghai Li Dao;
One-way throttle valve: the AS series one-way throttle valve (AS4000-04) of Shanghai Li Dao;
Silencing apparatus: the AN series silencing apparatus (AN400-04) of Shanghai Li Dao;
Oil sprayer: the oil sprayer of Shanghai Li Dao (AL4000-06);
The magnet ring parameter that is used for the driving air pump control of cylinder diameter Φ 230:
Magnet ring external diameter Φ
1=220-230mm
Magnet ring internal diameter Φ
2=176-186mm
Magnet ring thickness B=5-7mm
Magnet ring external diameter Φ
1But value: 230,225,222mm,
Magnet ring internal diameter Φ
2But value: 186,183,176mm
5,6,7mm but magnet ring thickness B value:
Magnet ring material oxidation terbium ferrite, the magnetic flux of magnet ring is 600 Gausses.
Major parameter (inlet gas flow less than 800L/Min time)
| Model | Suction pressure | Charge flow rate | The drier oil outlet pressure | The drier oil oil pump capacity | The oil-air pressure ratio |
| MPa | L/Min | MPa | L/Min | ||
| TY230 | 0.4∽0.7 | 600∽700 | 20∽40 | 2∽4 | 40∽60∶1 |
Claims (9)
1, a kind of oiling machine drive air pump that adopts the electric control automatic reversing system comprises: a pump body device is provided with a housing assembly and a piston assembly; Described housing assembly comprises cylinder barrel, connects the upper cylinder cover and the following cylinder cap of described cylinder barrel upper and lower end, is used for fixing described pull bar, nut, various packing ring and the seal ring of cylinder cap up and down, and described upper cylinder cover and following cylinder cap are respectively equipped with gas port and following gas port; It is characterized in that, described cylinder barrel is with the effective metallic material manufacturing of saturating magnetic, described piston assembly comprises upper piston and the lower piston be located in the described cylinder barrel, be located at and describedly go up magnet ring between the lower piston, connect the described piston rod of going up lower piston, and described magnet ring is with the suitable permanent-magnet material manufacturing of magnetic intensity;
One control device for reversing, be provided with the automatic electromagnetic selector valve, connect the one-way throttle valve of described automatic electromagnetic selector valve gas port, be arranged at the last dry-reed tube switch and the following dry-reed tube switch of described cylinder barrel outer wall upper and lower end respectively, the gas port of respectively controlling of described automatic electromagnetic selector valve connects the last gas port of suction port, air outlet, described upper cylinder cover and the following gas port of described following cylinder cap respectively, and power supply is electrically connected first coil and second coil of described automatic electromagnetic selector valve respectively through described upward dry-reed tube switch and following dry-reed tube switch; When first coil electricity of described automatic electromagnetic selector valve, described suction port is connected the described gas port of going up, and described gas port is down connected in described air outlet; When second coil electricity of described automatic electromagnetic selector valve, described suction port is connected described gas port down, and the described gas port of going up is connected in described air outlet; Described one-way throttle valve is used for the travelling speed of control piston assembly; Described dry-reed tube switch is taked electromagnetic shielding measure;
When driving air pump work, when the described piston assembly that is provided with described magnet ring moves to the upper end of described cylinder barrel, described magnet ring makes the described dry-reed tube switch closure that goes up of described cylinder barrel outer wall upper end, with described first coil electricity of going up the described automatic electromagnetic selector valve that dry-reed tube switch is electrically connected, the pressurized gas of described driving air pump is gone up the rodless cavity that gas port enters described cylinder barrel top by described suction port through described, and described piston assembly commutation is moved down; When described piston assembly moves to the lower end of described cylinder barrel, described magnet ring makes the described dry-reed tube switch closure down of described cylinder barrel outer wall lower end, second coil electricity of the described automatic electromagnetic selector valve that is electrically connected with described down dry-reed tube switch, the pressurized gas of described driving air pump is advanced the rod chamber of described cylinder barrel bottom through described gas port down by described suction port, make in the described piston assembly commutation and move, so repeat to make described piston assembly in described cylinder barrel, to commutate up and down and move back and forth.
2, the oiling machine drive air pump of employing electric control automatic reversing according to claim 1 system is characterized in that, described control device for reversing is provided with the oil sprayer that connects suction port.
3, the oiling machine drive air pump of employing electric control automatic reversing according to claim 1 system is characterized in that, described control device for reversing is provided with the silencing apparatus that connects the air outlet.
4, the oiling machine drive air pump of employing electric control automatic reversing according to claim 1 system is characterized in that, described one-way throttle valve connects the air outlet of automatic electromagnetic selector valve.
5, the oiling machine drive air pump of employing electric control automatic reversing according to claim 1 system is characterized in that the suction port front end of described driving air pump is provided with filtering pressure reducer.
6, the oiling machine drive air pump of employing electric control automatic reversing according to claim 1 system is characterized in that, the suction port front end of described driving air pump is provided with the solenoid directional control valve by the position limit switch control of oil mass detection system.
7, the oiling machine drive air pump of employing electric control automatic reversing according to claim 1 system is characterized in that, described cylinder barrel is with the effective pure stainless steel material manufacturing of saturating magnetic.
8, the oiling machine drive air pump of employing electric control automatic reversing according to claim 1 system is characterized in that, described magnet ring is with the suitable ferrite permanent-magnet materials manufacturing of magnetic intensity.
9, a kind of electric control automatic reversing method of oiling machine drive air pump is characterized in that step is as follows:
1) rod chamber air inlet: pressurized gas enters into the rod chamber that drives air pump by suction port, automatic electromagnetic selector valve, following gas port, and the return-air of rodless cavity is discharged by the air outlet through last gas port, automatic electromagnetic selector valve, one-way throttle valve, and piston assembly moves up;
2) piston moves up commutation for to move down: when piston assembly moves to the upper end of cylinder barrel, magnet ring in the piston assembly makes the last dry-reed tube switch closure of cylinder barrel outer wall upper end, power supply makes automatic electromagnetic selector valve first coil electricity by last dry-reed tube switch, suction port is connected gone up gas port, gas port down, piston assembly commutation are connected in the air outlet;
3) rodless cavity air inlet: pressurized gas by suction port, automatic electromagnetic selector valve, go up gas port and enter into and drive the air pump rodless cavity, the return-air of rod chamber is discharged by the air outlet through gas port, automatic electromagnetic selector valve, one-way throttle valve down, piston assembly moves down;
4) piston moves down commutation for to move up: when piston assembly moves to the lower end of cylinder barrel, magnet ring in the piston assembly makes the following dry-reed tube switch closure of cylinder barrel outer wall lower end, power supply makes automatic electromagnetic selector valve second coil electricity by following dry-reed tube switch, make suction port connect gas port down, the air outlet is connected and is gone up gas port, the piston assembly commutation; Repeat the step 1) of rod chamber air inlet;
Moved in circles by step 1) to step 4), commutation is mobile up and down repeatedly to make piston assembly; Drive piston rod, connecting rod are finished the oiling operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100274869A CN100360849C (en) | 2005-07-04 | 2005-07-04 | Oil filling machine driving air pump adapting electric controlle automatic reversing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100274869A CN100360849C (en) | 2005-07-04 | 2005-07-04 | Oil filling machine driving air pump adapting electric controlle automatic reversing system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1719091A true CN1719091A (en) | 2006-01-11 |
| CN100360849C CN100360849C (en) | 2008-01-09 |
Family
ID=35930995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100274869A Expired - Fee Related CN100360849C (en) | 2005-07-04 | 2005-07-04 | Oil filling machine driving air pump adapting electric controlle automatic reversing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100360849C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423573A (en) * | 2013-09-09 | 2013-12-04 | 郑州奥特科技有限公司 | Fuel tank and lubricating device |
| CN110474219A (en) * | 2018-06-29 | 2019-11-19 | 中航光电科技股份有限公司 | The oil-filled tooling of oil seal electric connector |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA873002B (en) * | 1986-05-01 | 1987-11-25 | Castrol Ltd | Lubrication devices |
| CN2138742Y (en) * | 1992-09-18 | 1993-07-21 | 栾仲武 | Pneumatic bearing oil filler |
| GB2358441A (en) * | 2000-01-18 | 2001-07-25 | Jo Bee Liu | Axle bearing lubricating device |
-
2005
- 2005-07-04 CN CNB2005100274869A patent/CN100360849C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423573A (en) * | 2013-09-09 | 2013-12-04 | 郑州奥特科技有限公司 | Fuel tank and lubricating device |
| CN110474219A (en) * | 2018-06-29 | 2019-11-19 | 中航光电科技股份有限公司 | The oil-filled tooling of oil seal electric connector |
| CN110474219B (en) * | 2018-06-29 | 2021-01-29 | 中航光电科技股份有限公司 | Oil filling tool for oil-sealed electric connector |
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| Publication number | Publication date |
|---|---|
| CN100360849C (en) | 2008-01-09 |
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Granted publication date: 20080109 |