CN104864252A - Draught fan motor lubricating device - Google Patents
Draught fan motor lubricating device Download PDFInfo
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- CN104864252A CN104864252A CN201510178532.9A CN201510178532A CN104864252A CN 104864252 A CN104864252 A CN 104864252A CN 201510178532 A CN201510178532 A CN 201510178532A CN 104864252 A CN104864252 A CN 104864252A
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- oil
- motor lubricating
- concave base
- oil pump
- aperture
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Abstract
The invention discloses a draught fan motor lubricating device, and belongs to the field of mechanical equipment. The draught fan motor lubricating device comprises two oil pumps which are arranged above the liquid level of an oil tank, and are connected in parallel; an automatic exhaust pipe is arranged at the oil outlet of each oil pump; the end part of each automatic exhaust pipe is arranged below the liquid level of the oil tank; a small hole is formed in each automatic exhaust pipe; exhaust pipes communicated with the automatic exhaust pipes are arranged on the small holes; an oil outflow prevention device is arranged at each small hole; a communicating door is arranged at the oil inlet of each oil pump, and is in the opened state. Through the adoption of the draught fan motor lubricating device, rising pressure can be normal during switching of the oil pumps.
Description
Technical field
The present invention relates to technical field of mechanical equipment, particularly a kind of id-motor lubricating fitting.
Background technique
Every Fans oil system is equipped with two vane pumps to be installed in parallel on fuel tank, an operation, and one for subsequent use, controls oil and lubricant oil for system provides.During normal operation, pump discharge oil pressure is 6.86MPa; When Systematical control oil pressure is lower than 4.9MPa, hair oil pressure " low " alarm signal linkage emergency bearing oil pump; When Systematical control oil pressure is lower than 2.45MPa, hair oil pressure " low " alarm signal, time delay 3s blower fan trips.System oil positive pressure is often 0.125MPa; When system lubrication low fuel pressure is in 0.098MPa, emergency bearing oil pump is from opening; Alarm signal that lubrication pressure is sent out lower than during 0.049MPa " low ", time delay 20s blower fan trips.When main pump dead electricity, stand by pump electric interlock starts automatically, and therefore, the normal operation of oil pump is the important guarantee that fan safe is run.
In use, the phenomenon of PAU+FCU system low oil pressure then often occurs oil pump machinery.Cause analysis is as follows: owing to switching an oil pump every 15 days (or two weeks), pump discharge exhaust-pipe-free accesses, under the effect of atmospheric pressure, the time of ten days almost can drain the oil amassed on stand by pump outlet (drops down oil sump tank) only, therefore when stand by pump switches starting, pump can send larger sound, sometimes fail to start, oil pressure is set up slower sometimes.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of id-motor lubricating fitting, when switching oil pump, plays positive pressure normal, to solve the above-mentioned multinomial defect caused in prior art.
For achieving the above object, the invention provides following technological scheme: a kind of id-motor lubricating fitting, comprise two oil pumps be arranged on above fuel tank liquid level, be arranged in parallel between described oil pump, the oil outlet place of oil pump is provided with automatic vent pipe, the end of this outlet pipe is arranged on the below of fuel tank liquid level, this automatic vent pipe is provided with aperture, aperture is provided with the outlet pipe be communicated with automatic vent pipe, aperture place is provided with anti-oil discharging device, the filler opening place of oil pump and oil pump is provided with communicating door, and communicating door is in unlimited state.
Adopting the beneficial effect of above technological scheme to be: in the present invention, fuel pump outlet automatic-discharging tracheae by originally changing to below liquid level on fuel tank liquid level, and when oil pump is stopped transport, air cannot enter oil pipe line, ensureing that stand by pump is imported and exported pipeline and is full of oil; Automatic vent pipe is provided with aperture, uses for playing pump moment air-discharging; Two communicating doors (caliber is less) are added at the filler opening of two oil pumps, communicating door is hold-open door, when two oil pumps are normal (operation, one for subsequent use), two communicating doors are all opened, the further guarantee pump housing for subsequent use and bend part are full of oil for a long time, and the oil pump being is able to quick startup.
Preferably, described anti-oil discharging device comprises concave base, and be provided with protruding plastic sheet bottom concave base, plastic sheet is dispersed to surrounding and is provided with slight crack centered by top, and the length of slight crack is 1-3mm.
The beneficial effect of above technological scheme is adopted to be: be provided with protruding plastic sheet bottom drop centre type seat of the present invention, plastic sheet is dispersed to surrounding and is provided with slight crack centered by top, and when booster air pump, plastic sheet backs down by air, and air can be discharged by concave base.
Preferably, the groove port of described concave base is coated with air-filtering membrane.
Adopt the beneficial effect of above technological scheme to be: air-filtering membrane of the present invention can FA, and liquid all conductively-closed get off, make concave base only with air-discharging, prevent fluid from discharging from concave base.
Preferably, the outer side wall of described concave base is provided with outside thread, and the madial wall of described aperture is provided with internal thread, and both are threaded.
The beneficial effect of above technological scheme is adopted to be: concave base of the present invention is threaded with aperture, handling both convenient.
Preferably, the top of described concave base is provided with annular recess, and described outlet pipe is arranged in annular recess.
The beneficial effect of above technological scheme is adopted to be: outlet pipe of the present invention is set directly in the annular recess on concave base, handling both convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of id-motor lubricating fitting of the present invention;
Fig. 2 is the structural representation of anti-oil discharging device shown in Fig. 1.
Wherein, 1--oil pump, 2--automatic vent pipe, 3--fuel tank, 4--liquid level, 5--aperture, 6--outlet pipe, the anti-oil discharging device of 7--, 8--communicating door, 9--concave base, 10--plastic sheet, 11--slight crack, 12--outside thread, 13--annular recess, 14--air-filtering membrane.
Embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 shows the specific embodiment of the present invention: a kind of id-motor lubricating fitting, comprise two oil pumps 1 be arranged on above fuel tank 3 liquid level 4, be arranged in parallel between described oil pump 1, the oil outlet place of oil pump 1 is provided with automatic vent pipe 62, the end of this outlet pipe 6 is arranged on the below of fuel tank 3 liquid level 4, this automatic vent pipe 62 is provided with aperture 5, aperture 5 is provided with the outlet pipe 6 be communicated with automatic vent pipe 62, aperture 5 place is provided with anti-oil discharging device 7, the filler opening place of oil pump 1 and oil pump 1 is provided with communicating door 8, communicating door 8 is in unlimited state, in the present invention, oil pump 1 exports automatic-discharging tracheae by originally changing to below liquid level 4 on fuel tank 3 liquid level 4, when oil pump 1 is stopped transport, air cannot enter oil pipe line, ensure that stand by pump is imported and exported pipeline and is full of oil, automatic vent pipe 62 is provided with aperture 5, uses for playing pump moment air-discharging, two communicating doors 8 (caliber is less) are added at the filler opening of two oil pumps 1, communicating door 8 is hold-open door, when two oil pumps 1 are normal (operation, one for subsequent use), two communicating doors 8 are all opened, the further guarantee pump housing for subsequent use and bend part are full of oil for a long time, and the oil pump 1 being is able to quick startup.
Composition graphs 1 and Fig. 2, anti-oil discharging device 7 comprises concave base 9, protruding plastic sheet 10 is provided with bottom concave base 9, plastic sheet 10 is dispersed to surrounding and is provided with slight crack 11 centered by top, and the length of slight crack 11 is 1-3mm, is provided with protruding plastic sheet 10 bottom concave base 9, plastic sheet 10 is dispersed to surrounding and is provided with slight crack 11 centered by top, when booster air pump, plastic sheet 10 backs down by air, and air can be discharged by concave base 9; The groove port of concave base 9 is coated with air-filtering membrane 14, and air-filtering membrane 14 can FA, and liquid all conductively-closed get off, make concave base 9 only with air-discharging, prevent fluid from discharging from concave base 9; The outer side wall of concave base 9 is provided with outside thread 12, and the madial wall of described aperture 5 is provided with internal thread, and both are threaded, and concave base 9 is threaded with aperture 5, handling both convenient; Outlet pipe 6 is arranged in annular recess 13, and outlet pipe 6 is set directly in the annular recess 13 on concave base 9, handling both convenient.
What air-filtering membrane adopted is PTFE air-filtering membrane, it has the node fibril of polytetrafluoroethylene film uniqueness, smooth surface, chemical species, permeable watertight, large, fire-retardant, high temperature resistant, the anti-strong acid-base of Air permenbility, the characteristic such as nontoxic, made product filter efficiency is high, can 99.99% be reached, be bordering on zero-emission; Running resistance is low, and the rate of filtration is fast; Long service life, thus reduce operating cost.
After id-motor lubricating fitting improved, tested the pressure time in 5 s, oil pump 1 starts and steadily has no abnormal sound, outlet pressure is stablized, putting equipment in service comes half a year more, and during 8 Fans oil system switching tests, oil pump oil pressure is set up all very normal, and situation without exception occurs.This time transformation is changed few to system, little investment is produced effects obviously, guaranteed the marginal capacity of emergency bearing oil pump, substantially increase the security and stability of fan operation.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. an id-motor lubricating fitting, comprise two oil pumps be arranged on above fuel tank liquid level, it is characterized in that: be arranged in parallel between described oil pump, the oil outlet place of oil pump is provided with automatic vent pipe, and the end of this outlet pipe is arranged on the below of fuel tank liquid level, and this automatic vent pipe is provided with aperture, aperture is provided with the outlet pipe be communicated with automatic vent pipe, aperture place is provided with anti-oil discharging device, and the filler opening place of oil pump and oil pump is provided with communicating door, and communicating door is in unlimited state.
2. id-motor lubricating fitting according to claim 1, it is characterized in that: described anti-oil discharging device comprises concave base, be provided with protruding plastic sheet bottom concave base, plastic sheet is dispersed to surrounding and is provided with slight crack centered by top, and the length of slight crack is 1-3mm.
3. id-motor lubricating fitting according to claim 2, is characterized in that: the groove port of described concave base is coated with air-filtering membrane.
4. id-motor lubricating fitting according to claim 2, it is characterized in that: the outer side wall of described concave base is provided with outside thread, the madial wall of described aperture is provided with internal thread, and both are threaded.
5. id-motor lubricating fitting according to claim 1, it is characterized in that: the top of described concave base is provided with annular recess, described outlet pipe is arranged in annular recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178532.9A CN104864252A (en) | 2015-04-15 | 2015-04-15 | Draught fan motor lubricating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178532.9A CN104864252A (en) | 2015-04-15 | 2015-04-15 | Draught fan motor lubricating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104864252A true CN104864252A (en) | 2015-08-26 |
Family
ID=53910282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510178532.9A Pending CN104864252A (en) | 2015-04-15 | 2015-04-15 | Draught fan motor lubricating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104864252A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6145625A (en) * | 1997-02-10 | 2000-11-14 | Krupp Bautechnik Gmbh | Grease lubricator, particularly for construction machine |
| DE19843695B4 (en) * | 1998-09-24 | 2004-08-05 | Unilube Ag | metering |
| CN201851311U (en) * | 2010-09-16 | 2011-06-01 | 鞍钢股份有限公司 | Exhauster for main oil pump of nitrogen compressor |
| CN201944524U (en) * | 2010-06-24 | 2011-08-24 | 中国神华能源股份有限公司 | Lubricating system for hydraulic coupler |
| CN102840132A (en) * | 2012-08-28 | 2012-12-26 | 无锡市华润环保设备有限公司 | Automatic exhaust system of oil pump |
| CN104265617A (en) * | 2014-09-18 | 2015-01-07 | 中国神华能源股份有限公司 | System for conveying liquid and lubrication system |
-
2015
- 2015-04-15 CN CN201510178532.9A patent/CN104864252A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6145625A (en) * | 1997-02-10 | 2000-11-14 | Krupp Bautechnik Gmbh | Grease lubricator, particularly for construction machine |
| DE19843695B4 (en) * | 1998-09-24 | 2004-08-05 | Unilube Ag | metering |
| CN201944524U (en) * | 2010-06-24 | 2011-08-24 | 中国神华能源股份有限公司 | Lubricating system for hydraulic coupler |
| CN201851311U (en) * | 2010-09-16 | 2011-06-01 | 鞍钢股份有限公司 | Exhauster for main oil pump of nitrogen compressor |
| CN102840132A (en) * | 2012-08-28 | 2012-12-26 | 无锡市华润环保设备有限公司 | Automatic exhaust system of oil pump |
| CN104265617A (en) * | 2014-09-18 | 2015-01-07 | 中国神华能源股份有限公司 | System for conveying liquid and lubrication system |
Non-Patent Citations (1)
| Title |
|---|
| 金瑶兰: "油液真空除气装置的设计与研究", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150826 |