CN104153987A - Self-sufficient type power end lubricating oil circulating cooling system - Google Patents
Self-sufficient type power end lubricating oil circulating cooling system Download PDFInfo
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- CN104153987A CN104153987A CN201410415705.XA CN201410415705A CN104153987A CN 104153987 A CN104153987 A CN 104153987A CN 201410415705 A CN201410415705 A CN 201410415705A CN 104153987 A CN104153987 A CN 104153987A
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Abstract
The invention discloses a self-sufficient type power end lubricating oil circulating cooling system which comprises a connecting shaft, a connecting support, a gear oil pump, an oil suction pipe, an oil discharging pipe, a filter, a cooler, a cooling oil pipe and an overflow pipe. The connecting shaft is arranged at one end of a crankshaft, the connecting support is arranged on the outer side of a box bearing cover and the outer side of the connecting shaft located on the outer side of one end of the crankshaft in a sleeved mode. A gear oil pump shell is arranged at the outer end of the connecting support, and a drive shaft is connected with the outer end of the connecting shaft. The two ends of the oil suction pipe are connected to the side face of a crankcase and an oil inlet of the gear oil pump respectively. The two ends of the oil discharging pipe are connected to an oil outlet of the gear oil pump and an inlet of the cooler respectively. The filter is installed on the oil discharging pipe, the two ends of the cooling oil pipe are connected to an outlet of the cooler and the outer end of an oil inlet hole of the connecting shaft respectively, and two ends of the overflow pipe are connected to the outer end of an overflow hole of the connecting shaft and the end face of the crankcase. The self-sufficient type power end lubricating oil circulating cooling system is suitable for lubricating of the power end of a plunger pump without a high-speed shaft. Due to the fact that the connecting shaft and the crankshaft on the self-sufficient type power end lubricating oil circulating cooling system are of a split structure, mounting and demounting are convenient, and the self-sufficient type power end lubricating oil circulating cooling system has the advantages of being reasonable in structural design, simple, low in cost, easy to maintain and the like.
Description
Technical field
The invention belongs to hydraulic machinery technical field, particularly relate to a kind of self contained power end lubrication oil circulation cooling system.
Background technique
Plunger pump claims again reciprocating pump, an important device for hydraulic system, it relies on plunger to-and-fro motion in cylinder body, make the volume of pressurization working lumen change to realize suction medium, compressed media, have that rated pressure is high, compact structure, the advantage such as efficiency is high and Flow-rate adjustment is convenient, be widely used in the occasion that high pressure, large flow and flow need to regulate, in hydraulic press, engineering machinery, oil field and boats and ships.Conventional plunger pump is mainly comprised of power end, fluid end and lubrication oil circulation cooling system at present, power end, for the energy of prime mover is passed to fluid end, mainly comprises crankcase and the high speed shaft, bent axle, a plurality of gear ring, many connecting rods and the many crossheads that are arranged on crankcase inside; Fluid end is converted to fluid pressure energy for the mechanical energy that power end is provided.Lubrication oil circulation cooling system is for the lubricant oil of power end, fluid end inside is carried out to circulating cooling, with each parts of preventing its inside, breaks down because of excess Temperature.Fig. 1 is a kind of power end lubrication oil circulation cooling system structure schematic diagram with high speed shaft of commonly using at present.As shown in Figure 1, this power end lubrication oil circulation cooling system comprises fuel sucking pipe 1, gear oil pump 2, oil exit pipe 3, cooler 4, oil cooling service pipe 5, filter 6 and fuel feeding valve piece 7; Wherein the housing of gear oil pump 2 is arranged on crankcase 8 exterior edge faces, and the driving shaft on it is connected with high speed shaft one end; The two ends of fuel sucking pipe 1 are connected on the filler opening of crankcase 8 bottoms, exterior edge face and gear oil pump 2; The two ends of oil exit pipe 3 are connected in the oil outlet of gear oil pump 2 and the import of cooler 4; Fuel feeding valve piece 7 is arranged on the casing exterior edge face that is positioned at bent axle one end, is formed with pouring orifice and filler opening on it, and pouring orifice is connected with the center hole of bent axle; The two ends of oil cooling service pipe 5 are connected on the outlet of cooler 4 and the filler opening of fuel feeding valve piece 7; 6 of filters are arranged on oil cooling service pipe 5.
In plunger pump running, rotation along with high speed shaft, the gear oil pump 2 being arranged on high speed shaft constantly sucks its inside by the high temperature grease of crankcase 8 inside by fuel sucking pipe 1, then through the import of oil exit pipe 3 and cooler 4, inject cooler 4 inside, this lubricant oil is undertaken cooling by cooler 4 afterwards, then after oil cooling service pipe 5 and filter 6 filter out impurities, by pouring orifice, enter the inside of fuel feeding valve piece 7, finally by pouring orifice, injected the center hole of bent axle.
But, there is following point in the power end lubrication oil circulation cooling system of this prior art: for high speed shaft is not set, but the power end rotating with the direct driving crank of motor, the power end lubrication oil circulation cooling system of this structure cannot meet the cooling requirement of each parts in crankcase.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of self contained power end lubrication oil circulation cooling system.
In order to achieve the above object, self contained power end lubrication oil circulation cooling system provided by the invention comprises coupling shaft, connection bracket, gear oil pump, fuel sucking pipe, oil exit pipe, filter, cooler, oil cooling service pipe and spill pipe; Described coupling shaft is arranged on one end of bent axle, inside is formed with and is interconnected and oil inlet hole, overflow hole and the oil hole of setting in T shape, wherein the rear end of oil hole and the center hole of bent axle are connected, oil inlet hole and overflow hole lay respectively at the both sides of coupling shaft, and the inner of oil inlet hole and overflow hole is connected with the outer end of oil hole simultaneously; Connection bracket is enclosed within casing bearing cap and the coupling shaft outside that is positioned at outside, bent axle one end, and rear end is fixed on crankcase exterior edge face, and on it, is formed with corresponding with oil inlet hole on coupling shaft and overflow hole outer end respectively perforate; The housing of gear oil pump is arranged on connection bracket outer end, and the driving shaft on it is connected with coupling shaft outer end; The two ends of fuel sucking pipe are connected on the filler opening of bottom, crankcase side and gear oil pump; The two ends of oil exit pipe are connected in the oil outlet of gear oil pump and the import of cooler; Filter is arranged on oil exit pipe; The two ends of oil cooling service pipe are connected to the outlet of cooler and the oil inlet hole outer end of coupling shaft; The two ends of spill pipe are connected to overflow hole outer end and the crankcase end face bottom of coupling shaft.
Described coupling shaft and the contact position between connection bracket are provided with pressure rotating sealing device.
Contact position between described connection bracket and casing bearing cap is provided with outside framework oil seal and pressure rotating sealing device.
It is lubricated that self contained power end lubrication oil circulation cooling system provided by the invention is applicable to not arrange the power end of plunger pump of high speed shaft, by coupling shaft and bent axle adopt split-type structural thereon, therefore be convenient to installation and removal, there is reasonable in design, simple, cost is low and be easy to the advantages such as maintenance.
Accompanying drawing explanation
Fig. 1 is a kind of power end lubrication oil circulation cooling system structure schematic diagram with high speed shaft of commonly using at present.
Fig. 2 is self contained power end lubrication oil circulation cooling system structure front view provided by the invention.
Fig. 3 is part-structure transverse sectional view in self contained power end lubrication oil circulation cooling system provided by the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, self contained power end lubrication oil circulation cooling system provided by the invention is elaborated.The parts identical with prior art adopt identical drawing reference numeral.
As shown in Fig. 2-Fig. 3, self contained power end lubrication oil circulation cooling system provided by the invention comprises coupling shaft 10, connection bracket 11, gear oil pump 12, fuel sucking pipe 13, oil exit pipe 14, filter 15, cooler 16, oil cooling service pipe 17 and spill pipe 18; Described coupling shaft 10 is arranged on one end of bent axle 22, inside is formed with and is interconnected and oil inlet hole 19, overflow hole 20 and the oil hole 21 of setting in T shape, wherein the rear end of oil hole 21 is connected with the center hole 23 of bent axle 22, oil inlet hole 19 and overflow hole 20 lay respectively at the both sides of coupling shaft 10, and the inner of oil inlet hole 19 and overflow hole 20 is connected with the outer end of oil hole 21 simultaneously; Connection bracket 11 is enclosed within casing bearing cap 24 and coupling shaft 10 outsides that are positioned at bent axle 22 outsides, one end, and rear end is fixed on crankcase 8 exterior edge faces, and on it, is formed with corresponding with oil inlet hole 19 on coupling shaft 10 and overflow hole 20 outer ends respectively perforate; The housing of gear oil pump 12 is arranged on connection bracket 11 outer ends, and the driving shaft on it is connected with coupling shaft 10 outer ends; The two ends of fuel sucking pipe 13 are connected on the filler opening of crankcase 8 side bottom and gear oil pump 12; The two ends of oil exit pipe 14 are connected in the oil outlet of gear oil pump 12 and the import of cooler 16; Filter 15 is arranged on oil exit pipe 14; The two ends of oil cooling service pipe 17 are connected to the outlet of cooler 16 and oil inlet hole 19 outer ends of coupling shaft 10; The two ends of spill pipe 18 are connected to overflow hole 20 outer ends and the crankcase 8 end face bottoms of coupling shaft 10.
Described coupling shaft 10 and the contact position between connection bracket 11 are provided with pressure rotating sealing device 25.
Described connection bracket 11 and the contact position between casing bearing cap 24 are provided with outside framework oil seal and pressure rotating sealing device 26.
Now self contained power end lubrication oil circulation cooling system working principle provided by the invention is described below: in plunger pump running, rotation along with bent axle 22, the coupling shaft 10 being connected with bent axle 22 and the driving shaft on gear oil pump 12 be together rotation also, thus the high temperature grease of crankcase 8 inside is sucked to the inside of gear oil pump 12 by fuel sucking pipe 13, then after oil exit pipe 14 and filter 15 filter out impurities, cooler 16 inside are injected in the import by cooler 16, this lubricant oil is undertaken cooling by cooler 16 afterwards, then through oil cooling service pipe 17, by the perforate in connection bracket 11, enter the inside of connection bracket 11, last oil inlet hole 19 from coupling shaft 10 flows in the center hole 23 of bent axle 22 through oil hole 21, unnecessary lubricant oil flows into crankcase 8 bottoms by overflow hole 20 through spill pipe 18.
Claims (3)
1. a self contained power end lubrication oil circulation cooling system, is characterized in that: it comprises coupling shaft (10), connection bracket (11), gear oil pump (12), fuel sucking pipe (13), oil exit pipe (14), filter (15), cooler (16), oil cooling service pipe (17) and spill pipe (18); Described coupling shaft (10) is arranged on one end of bent axle (22), inside is formed with and is interconnected and oil inlet hole (19), overflow hole (20) and the oil hole (21) of setting in T shape, wherein the rear end of oil hole (21) is connected with the center hole (23) of bent axle (22), oil inlet hole (19) and overflow hole (20) lay respectively at the both sides of coupling shaft (10), and the inner of oil inlet hole (19) and overflow hole (20) is connected with the outer end of oil hole (21) simultaneously; Connection bracket (11) is enclosed within casing bearing cap (24) and coupling shaft (10) outside that is positioned at outside, bent axle (22) one end, rear end is fixed on crankcase (8) exterior edge face, and on it, is formed with corresponding with the upper oil inlet hole (19) of coupling shaft (10) and overflow hole (20) outer end respectively perforate; The housing of gear oil pump (12) is arranged on connection bracket (11) outer end, and the driving shaft on it is connected with coupling shaft (10) outer end; The two ends of fuel sucking pipe (13) are connected on the filler opening of crankcase (8) side bottom and gear oil pump (12); The two ends of oil exit pipe (14) are connected in the oil outlet of gear oil pump (12) and the import of cooler (16); Filter (15) is arranged on oil exit pipe (14); The two ends of oil cooling service pipe (17) are connected to the outlet of cooler (16) and oil inlet hole (19) outer end of coupling shaft (10); The two ends of spill pipe (18) are connected to overflow hole (20) outer end and crankcase (8) the end face bottom of coupling shaft (10).
2. self contained power end lubrication oil circulation cooling system according to claim 1, is characterized in that: the contact position between described coupling shaft (10) and connection bracket (11) is provided with pressure rotating sealing device (25).
3. self contained power end lubrication oil circulation cooling system according to claim 1, is characterized in that: the contact position between described connection bracket (11) and casing bearing cap (24) is provided with outside framework oil seal and pressure rotating sealing device (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415705.XA CN104153987B (en) | 2014-08-21 | 2014-08-21 | A kind of self contained power end lubrication oil circulation cooling system |
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| CN201410415705.XA CN104153987B (en) | 2014-08-21 | 2014-08-21 | A kind of self contained power end lubrication oil circulation cooling system |
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| CN104153987A true CN104153987A (en) | 2014-11-19 |
| CN104153987B CN104153987B (en) | 2016-04-27 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626511A (en) * | 2016-03-21 | 2016-06-01 | 浙江中煤机械科技有限公司 | Plunger pump |
| CN105697359A (en) * | 2016-04-01 | 2016-06-22 | 陈潜 | Heat radiation device of hose pump |
| CN112302893A (en) * | 2020-10-23 | 2021-02-02 | 宁波钱湖石油设备有限公司 | Reciprocating pump |
| CN113153712A (en) * | 2021-04-27 | 2021-07-23 | 烟台东德氢能技术有限公司 | Diaphragm compressor |
| CN113982877A (en) * | 2021-11-19 | 2022-01-28 | 天津市通洁高压泵制造有限公司 | High-pressure plunger pump for fatigue test of gas cylinder |
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| DE19635411A1 (en) * | 1996-08-31 | 1998-03-05 | Mannesmann Vdo Ag | Arrangement for an electrohydraulic pressure supply for an auxiliary power device in a motor vehicle |
| JP2000303949A (en) * | 1999-04-22 | 2000-10-31 | Yuken Kogyo Co Ltd | Hydraulic pump with built-in electric motor |
| CN102242705A (en) * | 2011-06-30 | 2011-11-16 | 西安交通大学 | Electromagnetic pump cooling system and control method thereof |
| CN202483859U (en) * | 2012-01-11 | 2012-10-10 | 武汉迈威机械有限责任公司 | Self-circulating water cooling device |
| CN202597072U (en) * | 2012-03-30 | 2012-12-12 | 四川宏华石油设备有限公司 | Cooling device for drilling pump |
| CN204003429U (en) * | 2014-08-21 | 2014-12-10 | 天津市通洁高压泵制造有限公司 | A kind of self contained power end lubrication oil circulation cooling system |
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2014
- 2014-08-21 CN CN201410415705.XA patent/CN104153987B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19635411A1 (en) * | 1996-08-31 | 1998-03-05 | Mannesmann Vdo Ag | Arrangement for an electrohydraulic pressure supply for an auxiliary power device in a motor vehicle |
| JP2000303949A (en) * | 1999-04-22 | 2000-10-31 | Yuken Kogyo Co Ltd | Hydraulic pump with built-in electric motor |
| CN102242705A (en) * | 2011-06-30 | 2011-11-16 | 西安交通大学 | Electromagnetic pump cooling system and control method thereof |
| CN202483859U (en) * | 2012-01-11 | 2012-10-10 | 武汉迈威机械有限责任公司 | Self-circulating water cooling device |
| CN202597072U (en) * | 2012-03-30 | 2012-12-12 | 四川宏华石油设备有限公司 | Cooling device for drilling pump |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626511A (en) * | 2016-03-21 | 2016-06-01 | 浙江中煤机械科技有限公司 | Plunger pump |
| CN105697359A (en) * | 2016-04-01 | 2016-06-22 | 陈潜 | Heat radiation device of hose pump |
| CN112302893A (en) * | 2020-10-23 | 2021-02-02 | 宁波钱湖石油设备有限公司 | Reciprocating pump |
| CN112302893B (en) * | 2020-10-23 | 2022-07-01 | 宁波钱湖石油设备有限公司 | Reciprocating pump |
| CN113153712A (en) * | 2021-04-27 | 2021-07-23 | 烟台东德氢能技术有限公司 | Diaphragm compressor |
| CN113982877A (en) * | 2021-11-19 | 2022-01-28 | 天津市通洁高压泵制造有限公司 | High-pressure plunger pump for fatigue test of gas cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104153987B (en) | 2016-04-27 |
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Inventor after: Qi Yongjian Inventor before: Zhu Jinniu Inventor before: Luo Yuchuan |
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Free format text: CORRECT: INVENTOR; FROM: ZHU JINNIU LUO YUCHUAN TO: QI YONGJIAN |
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Address after: No.15, Xinghua second branch road, economic and Technological Development Zone, Xiqing District, Tianjin Patentee after: TIANJIN TONGJIE HIGH PRESSURE PUMP Co.,Ltd. Address before: No.15, Xinghua third branch road, development zone, Xiqing District, Tianjin 300385 Patentee before: TIANJIN TONGJIE HIGH PRESSURE PUMP Co.,Ltd. |