CN201635890U - Direct-drive-type fuel-oil transfer pump - Google Patents
Direct-drive-type fuel-oil transfer pump Download PDFInfo
- Publication number
- CN201635890U CN201635890U CN2009203118071U CN200920311807U CN201635890U CN 201635890 U CN201635890 U CN 201635890U CN 2009203118071 U CN2009203118071 U CN 2009203118071U CN 200920311807 U CN200920311807 U CN 200920311807U CN 201635890 U CN201635890 U CN 201635890U
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- driving
- shaft assembly
- pump
- main shaft
- oil
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- Expired - Fee Related
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Abstract
The utility model discloses a direct-drive fuel-oil transfer pump, which comprises a diesel engine and a gear pump, wherein the cam shaft of the diesel engine is provided with a driver disk; the driver disk is fixedly provided with a transmission main shaft assembly; the middle of the transmission main shaft assembly is vertically and fixedly sleeved with a drive wheel and a driven wheel which is connected with the drive wheel in a matching way, and the middle section of the transmission main shaft assembly is provided with a sleeve bag, and a transmission mechanism case for closing the drive wheel and the driven wheel; the rotating shaft of the driven wheel passes through the transmission mechanism case and then enters a gear pump, thus serving as a drive shaft of the drive gear of a pair of swiveling gears of the pump. The utility model utilizes the cam shaft of the diesel engine as power source, and drives a speed reducer through a set of connecting devices to drive the fuel-oil transfer pump, so the diesel engine applying the utility model can realize no-power start, the electric motor or the small-sized generating set for driving the fuel-oil transfer pump of the diesel engine can be reduced, the use reliability and compact structure of the diesel engine is improved, and economic benefit is improved.
Description
Technical field
The utility model relates to a kind of fuel delivery equipment, especially a kind of directly driving type fuel transfer pump.
Background technique
The diesel engine whole system is made up of low pressure oil circuit (fuel tank, oil transfer pump, fuel filter and low pressure fuel pipe), high-pressure oil passage (Injection Pump, high-pressure oil pipe, oil sprayer) and regulating system (centrifugal governor, auto-supply advancing device), and wherein oil transfer pump is the constituent element of fuel supply system.The fuel feed process is as follows: oily diesel fuel tanks is equipped with the diesel oil through precipitation and filtering, oil transfer pump sucks the diesel oil in the diesel fuel tanks and pump, through entering Injection Pump behind the filter cleaner elimination impurity, high-pressure diesel from Injection Pump output enters oil sprayer through high-pressure oil pipe, and sprayed into the firing chamber by oil sprayer, form inflammable mixture with air mixing.
Usually use gear pump as fuel oil pump, its working principle is that a pair of swiveling gear is housed in the pump housing, an active, one is passive, relies on being meshing with each other of two gears, divide independently two parts of A, B the whole active chamber in the pump, A is for going into to inhale the chamber, and B is a discharge side.Driving gear drives the driven gear rotation during pump running, just forms parital vacuum at suction side A when toothization is thrown off in meshing, and liquid is inhaled into.The liquid that is inhaled into is full of each tooth paddy of gear and takes to and discharge side B, and liquid was extruded when gear entered engagement, forms highly pressurised liquid and outside the exhaust port excavationg pump of pump.
But diesel engine is wanted proper functioning at present, no matter be the gear pump used always as oil transfer pump, still rotor oil transfer pump etc. all need be provided with special-purpose external motor Come driving fuel oil pump, if open-air, generator set also must use the small power generation unit to provide power supply for it.So not only waste energy, use inconvenience, and reliability is also poor.
The model utility content
The purpose of this utility model is: provide with the diesel engine camshaft to be driving source, to save that external motor is made the power source of gear pump, had compact structure, not only a kind of directly driving type fuel delivery pumping system of energy saving but also functional reliability.
The purpose of this utility model is achieved by the following technical solution:
A kind of directly driving type fuel delivery pumping system, include diesel engine and gear pump, it is characterized in that, on the camshaft of diesel engine, drive plate is installed, on this drive plate, fix a transmission main shaft assembly, the vertical suit of medium position at this main shaft assembly is fixed with the follower that driving wheel reaches and this driving wheel transmission is connected, be provided with the cover bag in the stage casing of this main shaft assembly, seal the driving mechanism housing of described driving wheel and follower, the rotating shaft of this follower is passed described driving mechanism housing and is entered gear pump, becomes the live axle of driving gear in a pair of swiveling gear of this pump.
The driving mechanism housing of described cover bag, sealing driving wheel and follower is to be formed by forward and backward two box body combinations that cover is wrapped on the main shaft assembly, and the forward and backward oil seal cover of the described shell cavity of sealing is set in the external port of two casings respectively.
Described transmission main shaft assembly of fixedlying connected with drive plate is equipped with telescopic shaft at the front end of this main shaft assembly, realizes fixedlying connected of transmission main shaft assembly and drive plate by telescopic shaft.
Described transmission main shaft assembly, include and place in the described driving mechanism housing, be sleeved on transmission main shaft front end rear portion, be close to the oil sealing at Front oil seal lid back, long oil envelope, the suit that be sleeved on the outer transmission main shaft of back piece casing, its front end is compressed by the Rear oil seal lid is fixed on the afterbody flange that transmission main shaft afterbody, its front end compress long oil sealing end, and in described driving mechanism housing, be sleeved on the transmission main shaft cover on the transmission main shaft, between described oil sealing and long oil seal.
Owing to adopted technique scheme, the beneficial effects of the utility model are:
With the diesel engine camshaft is driving source, drive the utility model transmission main shaft assembly, drive follower by the driving wheel that is installed on this transmission main shaft assembly, by the rotation of driving gear in the rotating band gear pump of follower shaft, thus the work of realization gear.Because in the utility model system, save the power source of external motor as gear pump, saved the energy improved diesel engine working efficiency, realized the compactedness of the driving mechanism shell construction of cover bag, sealing driving wheel and follower having reduced system cost.
Description of drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the utility model general assembly schematic representation.
Fig. 2 is drive plate and driving shaft assembly vertical profile structural representation.
Fig. 3 is for being positioned at the cross-sectional structural representation of A-A at driving wheel place on the driving shaft assembly.
Fig. 4 be gear pump with the driving mechanism housing in follower shaft be connected part sectioned view.
Reference character: the 1st, pump shaft assembly, 1-1 are followers, and 1-2 is a driven shaft, and 1-3 is the location lid, 1-4 is a pipe flange, and 1-5 is a gear pump, the 2nd, and preceding casing, the 3, the 4th, porous plug, ventilative cap, the 5th, driving shaft assembly, 5-1 are drive plates, and 5-2 is a telescopic shaft, and 5-3 is a main shaft, 5-4 is an oil seal cover, and 5-5 is an oil sealing, and 5-6 is a cover, 5-7 is that driving wheel, 5-8 are the long oil envelopes, and 5-9 is a flange, and 5-10 is a gland, the 6th, rear box, the 7th, oil ga(u)ge, the 8th, housing.
Embodiment
As depicted in figs. 1 and 2, a kind of directly driving type fuel transfer pump, include diesel engine and gear pump 1-5, drive plate 5-1 is installed on the camshaft of diesel engine, on this drive plate 5-1, fix a transmission main shaft assembly 5, the vertical suit of medium position at this main shaft assembly 5 is fixed with the follower 1-1 that driving wheel 5-7 reaches and this driving wheel transmission is connected, be provided with the cover bag in the stage casing of this main shaft assembly, seal the driving mechanism housing 8 of described driving wheel and follower, the rotating shaft 1-2 of this follower 1-1 passes described driving mechanism housing 8 and enters gear pump 1-5, becomes the live axle of driving gear in a pair of swiveling gear of this pump.Telescopic shaft 5-2 one end of driving shaft assembly 5 connects drive plate 5-1 by elastic cylindrical pin, the other end is connected by the outstanding position of elastic cylindrical pin with main shaft 5-3 end, in the cavity that casing 6 and rear box 2 form before the main shaft 5-3 middle part driving wheel 5-7 that is meshed with the follower 1-1 of pump shaft assembly 1 is installed, wherein, the mounting hole of rear box 2 is equipped with the oil seal cover 5-4 that is connected with rear box 2 by bolt with main shaft 5-3 contact position, be with oil sealing 5-5 in the oil seal cover 5-4, oil sealing 5-5 lower end is cover 5-6, and the both sides of cover 5-6 are equipped with angular contact ball bearing; The mounting hole of preceding casing 6 is equipped with by bolt and the oil seal cover 5-4 that preceding casing 6 is connected with main shaft 5-3 contact position, is with long oil envelope 5-8 in the oil seal cover 5-4, and long oil envelope 5-8 lower end is cover 5-6, and cover 5-6 contacts with the driving wheel 5-7 that is arranged at cavity center.As shown in Figure 3, follower 1-1 is installed on forward and backward casing 6,2 and forms on the interior pump shaft assembly 1 of cavity, it is connected with driven shaft 1-2 one end of pump shaft assembly 1 by Cock screw, the driven shaft 1-2 the other end is connected with gear pump 1-5, is provided with an end by bolted location lid between follower 1-3 and gear pump 1-5.In addition, gear pump on oil pipe, pipe flange 1-4 is installed all, porous plug 3 and porous plug 4 are installed at the oil outlet tube place, be provided with oil ga(u)ge 7 at the fuel tank place.
Working procedure of the present utility model is as follows:
Drive plate 5-1 is with after the camshaft of motor is connected, ato unit, and the camshaft of motor drives drive plate 5-1 and rotates, and the telescopic shaft 5-2 that is connected with drive plate 5-1 drives the driving wheel 5-7 rotation that is installed on the main shaft 5-3.Because driving wheel 5-7 is meshed with follower 1-1, so follower 1-1 also rotates, follower 1-1 drives connected driven shaft 1-2 and rotates together, therefore the gear pump on the driven shaft 1-2 is with regard to entry into service, constantly the diesel oil in the diesel fuel tanks is sucked and pumps, through entering Injection Pump behind the filter cleaner elimination impurity.High-pressure diesel from Injection Pump output enters oil sprayer through high-pressure oil pipe 1, and is sprayed into the firing chamber by oil sprayer, forms inflammable mixture with air mixing.Like this, fuel transfer pump constantly provides fuel oil for motor, thereby keeps the work of motor.
Claims (4)
1. directly driving type fuel transfer pump, include gear pump (1-5), it is characterized in that, drive plate (5-1) is installed on the camshaft of diesel engine, on this drive plate (5-1), fix a driving shaft assembly (5), the vertical suit of medium position at this driving shaft assembly (5) is fixed with the follower (1-1) that driving wheel (5-7) reaches and this driving wheel transmission is connected, be provided with the cover bag in the stage casing of this driving shaft assembly, seal the driving mechanism housing (8) of described driving wheel and follower, the driven shaft (1-2) of this follower (1-1) passes described driving mechanism housing (8) and enters gear pump (1-5), becomes the live axle of driving gear in a pair of swiveling gear of this pump.
2. according to the described directly driving type fuel transfer pump of claim 1, it is characterized in that, the driving mechanism housing (8) of described cover bag, sealing driving wheel (5-7) and follower (1-1), be to combine, and the forward and backward oil seal cover (5-4) of sealing described housing (8) cavity is set in the external port of two casings respectively by forward and backward two casings (2,6) that cover is wrapped on the driving shaft assembly.
3. according to the described directly driving type fuel transfer pump of claim 1, it is characterized in that, described driving shaft assembly (5) of fixedlying connected with drive plate (5-1), front end at this driving shaft assembly (5) is equipped with telescopic shaft (5-2), realizes fixedlying connected of driving shaft assembly (5) and drive plate (5-1) by telescopic shaft (5-2).
4. according to claim 1 or 3 described directly driving type fuel transfer pumps, it is characterized in that, described driving shaft assembly (5), include and be arranged in the described driving mechanism housing (8), be sleeved on main shaft (5-3) front end rear portion, the oil sealing (5-5) of being close to Front oil seal lid (5-4) back, be sleeved on the outer main shaft (5-3) of back piece casing, the long oil envelope (5-8) that its front end is compressed by Rear oil seal lid (5-4), suit is fixed on main shaft (5-3) afterbody, its front end compresses the afterbody flange (5-9) of long oil envelope (5-8) tail end, and is positioned at described driving mechanism housing (8), be sleeved on the main shaft (5-3), be positioned at the collar bush (5-6) between described oil sealing (5-5) and the long oil envelope (5-8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203118071U CN201635890U (en) | 2009-09-29 | 2009-09-29 | Direct-drive-type fuel-oil transfer pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203118071U CN201635890U (en) | 2009-09-29 | 2009-09-29 | Direct-drive-type fuel-oil transfer pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201635890U true CN201635890U (en) | 2010-11-17 |
Family
ID=43080379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203118071U Expired - Fee Related CN201635890U (en) | 2009-09-29 | 2009-09-29 | Direct-drive-type fuel-oil transfer pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201635890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032081B (en) * | 2009-09-29 | 2012-07-04 | 资阳蜀达科技有限公司 | Direct drive type fuel transferring pump system |
| CN108979918A (en) * | 2018-09-04 | 2018-12-11 | 江苏农华智慧农业科技股份有限公司 | A kind of oil transfer pump oil transportation circulation mechanism based on crankshaft |
-
2009
- 2009-09-29 CN CN2009203118071U patent/CN201635890U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032081B (en) * | 2009-09-29 | 2012-07-04 | 资阳蜀达科技有限公司 | Direct drive type fuel transferring pump system |
| CN108979918A (en) * | 2018-09-04 | 2018-12-11 | 江苏农华智慧农业科技股份有限公司 | A kind of oil transfer pump oil transportation circulation mechanism based on crankshaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20150929 |
|
| EXPY | Termination of patent right or utility model |