CN202510261U - Fuel transfer pump system with cooling function - Google Patents
Fuel transfer pump system with cooling function Download PDFInfo
- Publication number
- CN202510261U CN202510261U CN2012200435315U CN201220043531U CN202510261U CN 202510261 U CN202510261 U CN 202510261U CN 2012200435315 U CN2012200435315 U CN 2012200435315U CN 201220043531 U CN201220043531 U CN 201220043531U CN 202510261 U CN202510261 U CN 202510261U
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- circular groove
- motor
- pump
- driving gear
- communicated
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- Rotary Pumps (AREA)
Abstract
The utility model belongs to the technical field of engine fuel transfer systems and in particular relates to a fuel transfer pump system with a cooling function. The system can be used for realizing the purposes of reducing the temperature of a fuel transfer pump, improving the operating reliability of an engine and prolonging the service life of the engine. A hydraulic pump, a motor, a control system and an oil way are integrated, wherein the upper end of a hydraulic pump body is connected with a motor control board; the upper end and lower end of the pump body are respectively provided with annular groove; the annular grooves at the upper and lower ends are communicated; the annular groove at the lower end is provided with an oil inlet and an oil outlet; a driving gear and a driven gear which are mutually engaged are arranged in a space which is formed by the back of the motor control board and the central part of the upper end of the pump body and is communicated with the annular groove at the upper end; a rotating shaft of the driving gear is connected with a motor shaft; the rotating shafts of the driving gear and the driven gear are respectively connected with the motor control board; and the lower end of the pump body is provided with an end cover. The fuel transfer pump system provided by the utility model has the beneficial effects that the motor and the cooling system are cooled, and the operating performance of the engine is improved.
Description
Technical field
The utility model belongs to the technical field of engine fuel transporting system, is specifically related to a kind of fuel delivery pumping system that has refrigerating function, is specially adapted to the fuel delivery pumping system of internal combustion locomotive.
Background technique
Along with the fast development of China railways traffic, the power of locomotive engine is increasing, and each item indexs such as the efficient of motor, life-span have been had higher requirement.The fuel delivery pumping system is the important component part of locomotive engine, is bearing the task of carrying fuel oil.So the performance of fuel delivery pumping system is most important to the reliability that ensures locomotive engine and even whole locomotive.
The fuel delivery pumping system generally is made up of oil hydraulic pump, motor, electric machine control system three sub-systems, is the critical component of motor, directly affects power performance, fuel combustion efficient, toxic emission level and other multinomial important indicator of locomotive.
Oil hydraulic pump, motor and the electric machine control system of existing fuel transfer pump are relatively independent; So the fuel delivery pump volume is big, motor and automatically controlled components and parts can not well be cooled off, and cause the flow of fuel transfer pump little; Outlet pressure is low; Motor and the heating of automatically controlled components and parts, working life is short, inefficiency.
Generally, the temperature of motor will be higher than the temperature at other position in the locomotive, influenced by it, and fuel transfer pump also can have higher temperature, and this can have a strong impact on the use of pump, shortens the life-span of pump.See that from the reality use and the situation of maintenance the probability that fuel transfer pump breaks down is higher than other component, and engine power is big more, the probability that fuel transfer pump breaks down is high more.
Therefore, press for the novel fuel drug delivery pump system and substitute the prior fuel oil drug delivery pump system, thereby realization reduces the temperature of fuel transfer pump, particularly reduces motor temperature, improve the engine operation reliability, prolong the motor purpose in working life.
Summary of the invention
The goal of the invention of the utility model: the temperature that realizes reducing fuel transfer pump; Particularly reduce motor temperature, improve the engine operation reliability, prolong motor working life; Be specifically under the prerequisite that does not increase any extra cooling unit; Motor and control system to fuel transfer pump are cooled off, and the whole volume and weight that reduces the fuel delivery pumping system, improve the service behaviour of fuel delivery pumping system.
The utility model adopts following technological scheme to realize:
A kind of fuel delivery pumping system that has refrigerating function; Comprise oil hydraulic pump, motor, control system and oil circuit, motor comprises motor shaft, motor coil, motor stator, and control system comprises the Electric Machine Control plate; It is characterized in that oil hydraulic pump, motor, control system and oil circuit become one; Oil hydraulic pump comprises the pump housing that is placed in the spill outside the motor stator, and pump housing upper end connects the Electric Machine Control plate, and the top and bottom of the pump housing are processed with circular groove respectively; Upper end circular groove and lower end circular groove are communicated with; The lower end circular groove is provided with filler opening and oil outlet, the center portion surrounded in Electric Machine Control backboard portion and pump housing upper end and with space that the upper end circular groove is communicated with in intermeshing driving gear and driven gear are set, the rotating shaft connection motor shaft of driving gear; The rotating shaft of driving gear and driven gear is connected the Electric Machine Control plate respectively, and the lower end of the pump housing is provided with end cap.
Another preferred version of the utility model: upper end circular groove and lower end circular groove all comprise left side circular groove and right side circular groove; Be communicated with through some honeycomb ducts between the left side circular groove of top and bottom; Also be communicated with between the right side circular groove of top and bottom through some honeycomb ducts; The right side circular groove of lower end connects filler opening, the left side circular groove connects oil outlet; The left and right circular groove of upper end links to each other through the driving gear and the driven gear of gear pump, and the left and right circular groove of lower end does not directly link to each other.
The beneficial effect of the utility model: oil hydraulic pump, motor, control system, oil circuit etc. are carried out organic integration; And designed deflector; Promptly on the pump housing, process circular groove, honeycomb duct; Make fuel oil the flow through outside of motor stator and the back of control system, the low temperature fuel oil can be taken away the heat that motor produces, thereby realizes the cooling to motor and control system.Simultaneously, the low temperature fuel oil flows to motor again after preheating, can improve the combustion performance of fuel oil, thereby improves the service behaviour of motor.
Description of drawings
Fig. 1 is the structural representation of the utility model,
Fig. 2 is the A-A sectional drawing of Fig. 1,
Among the figure: 1-motor stator, 2-motor coil, 3-motor shaft, 4-end cap, the 5-pump housing, 6-Electric Machine Control plate, 7-driving gear, 8-driven gear, 9-cover plate, 10-right side circular groove, 11-filler opening, 12-oil outlet, 13-honeycomb duct, 14-left side circular groove.
Embodiment
Be described further in conjunction with the embodiment of accompanying drawing the utility model.
Like Fig. 1, shown in Figure 2, have the fuel delivery pumping system of refrigerating function, comprise coolant pump, motor, control system and oil circuit; Motor comprises motor shaft 3, motor coil 2, motor stator 1; Control system comprises Electric Machine Control plate 6, and oil hydraulic pump, motor, control system and oil circuit become one, and oil hydraulic pump comprises the pump housing 5 that is placed in the spill outside the motor stator 1; The pump housing 5 upper ends connect Electric Machine Control plate 6; Electric Machine Control plate one side installation and control system, another side contacts with the gear of gear pump, and so the Electric Machine Control plate is also as the pump cover use.
The top and bottom of the pump housing 5 are processed with circular groove respectively; Upper end circular groove and lower end circular groove all comprise left side circular groove 14 and right side circular groove 10; The left and right circular groove of upper end links to each other through the gear 7,8 of gear pump, and the left and right circular groove of lower end does not directly link to each other in the lower end.Left side, upper end circular groove is communicated with through the some honeycomb ducts 13 that are positioned at the left side with left side, lower end circular groove; In like manner; Right side, upper end circular groove is communicated with through some water conservancy diversion 13 pipes that are positioned at the right side with right side, lower end circular groove, and the left side circular groove 14 that the right side circular groove 10 of lower end connects filler opening 11, lower end connects oil outlet 12.Circular groove and honeycomb duct form deflector.
That Electric Machine Control plate 6 backs are surrounded with center portion, the pump housing 5 upper end and with space that the upper end circular groove is communicated with in intermeshing driving gear 7 and driven gear 8 are set; The rotating shaft of driving gear 7 connects motor shaft 3; The rotating shaft of driving gear and driven gear is connected Electric Machine Control plate 6 respectively, and the lower end of the pump housing 5 is provided with end cap 4.The working procedure of the utility model: through the rotation of control system control motor, motor shaft 3 drives driving gear 7 rotations, and driving gear 7 drives driven gear 8 rotations; Driving gear 7 is formed a gear pump with driven gear 8, the pump housing 5, Electric Machine Control plate 6 and cover plate 9; Filler opening 11 oil suctions from the right side through honeycomb duct 13, right side circular groove, get into left side circular groove, honeycomb duct after gear pump pumps; To oil outlet, flow to motor.Honeycomb duct is distributed in around the motor; Pump housing upper end circular groove is positioned at the back of Electric Machine Control plate 6; So the low temperature fuel oil of the honeycomb duct of flowing through can be taken away the heat that motor produces, cool off motor and Electric Machine Control plate at fuel oil the flow through outside of motor stator and the back of control system.Simultaneously, the low temperature fuel oil flows to motor again after preheating, can improve the combustion performance of fuel oil, thereby improves the service behaviour of motor.
Claims (2)
1. fuel delivery pumping system that has refrigerating function; Comprise oil hydraulic pump, motor, control system and oil circuit; Motor comprises motor shaft (3), motor coil (2), motor stator (1); Control system comprises Electric Machine Control plate (6), it is characterized in that oil hydraulic pump, motor, control system and oil circuit become one, and oil hydraulic pump comprises the pump housing (5) that is placed in the spill outside the motor stator (1); The pump housing (5) upper end connects Electric Machine Control plate (6); The top and bottom of the pump housing (5) are processed with circular groove respectively, and upper end circular groove and lower end circular groove are communicated with, and the lower end circular groove is provided with filler opening (11) and oil outlet (12); The center portion surrounded in Electric Machine Control plate (6) back and the pump housing (5) upper end and with space that the upper end circular groove is communicated with in intermeshing driving gear (7) and driven gear (8) are set; The rotating shaft of driving gear (7) connects motor shaft (3), and the rotating shaft of driving gear and driven gear is connected Electric Machine Control plate (6) respectively, and the lower end of the pump housing (5) is provided with end cap (4).
2. the fuel delivery pumping system that has refrigerating function according to claim 1; It is characterized in that upper end circular groove and lower end circular groove all comprise left side circular groove (14) and right side circular groove (10); Be communicated with through some honeycomb ducts (13) between the left side circular groove of top and bottom; Also be communicated with between the right side circular groove of top and bottom through some honeycomb ducts (13); The right side circular groove (10) of lower end connects filler opening (11), left side circular groove (14) connects oil outlet (12), and the left and right circular groove of upper end links to each other through the driving gear (7) and the driven gear (8) of gear pump, and the left and right circular groove of lower end does not directly link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200435315U CN202510261U (en) | 2012-02-11 | 2012-02-11 | Fuel transfer pump system with cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200435315U CN202510261U (en) | 2012-02-11 | 2012-02-11 | Fuel transfer pump system with cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202510261U true CN202510261U (en) | 2012-10-31 |
Family
ID=47062753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200435315U Withdrawn - After Issue CN202510261U (en) | 2012-02-11 | 2012-02-11 | Fuel transfer pump system with cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202510261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588169A (en) * | 2012-02-11 | 2012-07-18 | 中北大学 | Fuel supply pump system with cooling function |
-
2012
- 2012-02-11 CN CN2012200435315U patent/CN202510261U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588169A (en) * | 2012-02-11 | 2012-07-18 | 中北大学 | Fuel supply pump system with cooling function |
| CN102588169B (en) * | 2012-02-11 | 2013-07-31 | 中北大学 | Fuel supply pump system with cooling function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121031 Effective date of abandoning: 20130731 |
|
| RGAV | Abandon patent right to avoid regrant |