CN104863889A - Bearing self-cooling system used for water pump and installing method thereof - Google Patents
Bearing self-cooling system used for water pump and installing method thereof Download PDFInfo
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- CN104863889A CN104863889A CN201510286945.9A CN201510286945A CN104863889A CN 104863889 A CN104863889 A CN 104863889A CN 201510286945 A CN201510286945 A CN 201510286945A CN 104863889 A CN104863889 A CN 104863889A
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Abstract
The invention relates to a bearing self-cooling system used for a water pump and an installing method thereof. The bearing self-cooling system comprises a pump shell (13) and a bearing device arranged inside the pump shell (13). A heat exchanging shell (6) in seal fit with a bearing is arranged between the pump shell (13) and the bearing device, and a cooling water cavity is formed between the pump shell (13) and the heat exchanging shell (6). Lubricating oil (4) is contained inside the space formed between the heat exchanging shell (6) and a shaft, and cooling water (5) is contained inside the cooling water cavity. The bearing self-cooling system used for the water pump cools the bearing when the water pump operates, utilizes water resources reasonably, and saves energy.
Description
Technical field
The invention belongs to pump technical field, particularly a kind of water bearing in pump is from cooling system and installation method thereof.
Background technique
Water pump is the one machinery carrying out transformation of energy using water as working medium.When as a kind of machinery, it operates continuously, between mechanical component, friction will inevitably produce a large amount of heats, particularly the heat of bearing portion generation is maximum, these heats can cause bearing temperature to raise, make bearing lubrication state deteriorating, cause bearing premature failure, working life reduces, therefore significant to bearing arrangement cooling.
How to solve the bearing problem in working life under high temperature, from waterpower and the originally very difficult solution of structural design aspect of pump.Because the hydraulic characteristic of sacrificing pump reaches, to extend bearing working life be worthless, and pump structure design aspect has also been tending towards perfect, only has and optimize bearing and lubricating and cooling system thereof and improve its existing structure aspect.
Consider the existing bearing lubrication type of cooling of water pump, comprise grease lubrication air cooling, grease lubrication water cooling, oil lubrication air cooling and oil lubrication water cooling.Wherein oil lubrication water cooling is compared other lubrication modes and is had the advantages that heat dispersion is strong, heat transfer efficiency is high, sealing problem easily solves, therefore present stage adopts oil lubrication water cooling mode more.In addition; existing water pump great majority do not consider that bearing cools; just by intermittent shutdown, bearing is cooled; and the mode of the multiplex axle surrounding of the water pump containing bearing cooler around pipe with spiral pipe is cooled; though certain cooling action can be played, because the heat-conducting property difference of oil cannot solve the too high problem of bearing local temperature.The present invention directly changes the structure in bearing housing, adds copper lining and solve this problem well outside bearing.
Existing bearing cooler cooling water comes from the external world more, needs to add delivery equipment in addition and is formed circulation to make cooling water.Pump tube can be caused so more complicated, can not integration be realized.For the pump of conveying clear water, adopting of the present invention from cooling water-cycling mode, not only simplify the formation of whole cooling system, but also have adjusted pump discharge water flow, having saved and used water.In addition, existing water pump also has and exists from the type of cooling the one that motor cools from outlet diversion, with reference to the present invention, can cool motor, this mode of bearing simultaneously.
Summary of the invention
In order to when not affecting water pump operation, solving the problem of bearing cooling, the present invention proposes a kind of water bearing in pump from cooling system, the problem of bearing cooling when not only solving water pump operation, also reasonably make use of water resources, has saved the energy.
In order to achieve the above object, technological scheme of the present invention is as follows: the bearing means comprising pump case (13) and be arranged in pump case (13), be provided with the heat exchange housing (6) coordinated with bearing seal between described pump case (13) and bearing means, and form cooling water chamber between pump case (13) and described outer hot housing (6);
The space content formed between described heat exchange housing (6) and axle puts lubricant oil (4), is equipped with cooling water (5) in cooling water chamber.
Described pump case (13) offers the diversion pipeline (2) and water return pipeline (7) that are communicated with described cooling water chamber, the other end of described diversion pipeline (2) is communicated with pump impeller outlet port, and described water return pipeline (7) is communicated with pump inlet place.
Described housing (6) upper inside wall establishes the spray equipment (3) be communicated with diversion pipeline (2), and arranges flow control valve (1) on diversion pipeline (2).
Described water return pipeline (7) is provided with stop valve one (8), stop valve two (10), and between two stop valves, arranges filtrating equipment (9), described cooling water is arranged in the cooling water chamber that described heat exchange housing (6) bottom and pump case (13) formed.
The part place that described diversion pipeline (2) and water return pipeline (7) are connected with pump case (13) has outside thread, and uses sealing gasket fitted seal nut one (11) to tighten maintenance sealing.
The portion that described heat exchange housing (6) middle part contacts with cooling water chamber is seamless corrugated tubes, and lower part offers the pore being communicated with oil inlet pipe (14), oil outlet tube (15) respectively thereon.
Pipe place, described heat exchange housing (6) two ends is cut into two Ω shape, and offers bolt hole, and adds sealing gasket between bearing and installed by upper press table fastening-type.
Described oil inlet pipe (14), oil outlet tube (15) adopt welding method to be connected with seamless corrugated tubes pore; Open screw thread in the outlet all of oil inlet pipe entrance, oil outlet tube, and use sealing gasket to coordinate screw rod to tighten maintenance sealing.
Water bearing in pump, from an installation method for cooling system, carries out according to following steps:
1) first that water return pipeline (7) is fastening through the sealing of bearing housing lower cover plate, water return pipeline (7) is connected with pump inlet, and pipeline is arranged filtrating equipment (9) and dual stop valve one (8), stop valve two (10);
2) first through heat exchange housing (6), the axle of interference fit and bearing are confirmed that riding position is errorless rear fastening, overall related axle after periphery place is adjacent to one deck seal ring under heat exchange housing (6) is placed on bearing housing lower cover plate, after between heat exchange housing (6) and pump case (13), add certain water gaging;
3) then water spray system (3) and diversion pipeline (2) joint overlaps and have sealing gasket and be adjacent to pump case (13) interior space upper wall, water spray system (3) and pump case (13) upper cover plate are connected as one;
4) enclose seal ring at the upper periphery of heat exchange housing (6) again after, upper pressure is connected with pump case (13) upper cover plate of water spray system (3), with fastening piece by unified fastening to pump case (13), heat exchange housing (6).
The invention has the advantages that:
1. arranging of flow control valve can regulate cooling water inflow, and this setup can be finely tuned pump discharge flow, pressure, can meet user's usage requirement accurately.
2. the heat exchange housing adding corrugated tubes in bearing housing can make heat exchange area increase, and enhances the heat exchange between water and lubricant oil, improves heat transference efficiency.
3. the structural design of whole heat exchange housing, facilitate bearing install, fastening, and be easy to sealing.Circular cross-section can make cooling water stream heat exchange housing outer surface to make heat exchange more abundant.
4. water spray system can make water spray equably at heat exchange surface of shell, makes heat exchange more abundant.
5., from the use of cooling recirculation system, the water conveying equipment that cooling can be made to disobey outer boundary add separately, makes water pump structure simpler and energy saving.
Accompanying drawing explanation
Fig. 1 is the water pump structure schematic diagram of a kind of water bearing in pump of the present invention from the embodiment of cooling system.
Fig. 2 is the axial, cross-sectional view of bearing housing internal heat housing.
Fig. 3 is the plan view of bearing housing internal heat housing.
Fig. 4 is the front elevation of bearing housing internal heat housing.
Fig. 5,6 connects encapsulation scheme schematic diagram from cooling systemic circulation water pipe for pump case.
In figure:
1-flow control valve, 2-diversion pipeline, 3-water spray system, 4-lubricant oil, 5-cooling water, 6-heat exchange housing, 7-water return pipeline, 8-stop valve one, 9-filtrating equipment, 10-stop valve two, 11-sealing nut one, 12-sealing nut two, 13-pump case, 14-oil inlet pipe, 15-oil outlet tube, 16-stove bolt, 17-king-bolt.
Embodiment
A kind of water bearing in pump, from cooling system, comprises pump case 13, for the water spray system 3, the pump bearing box internal heat housing 6 that cool.Described water spray system 3 is affixed on pump case 13 inwall and arranges, and is connected from the diversion pipeline 2 cooled in circulating pipe with described; Described pump bearing box internal heat housing about 6 is connected with oil inlet hole, oil outlet pipeline respectively, is lubricant oil 4 in heat exchange housing 6, and outside and bearing housing is middle is cooling water 5.The described circulating pipe of cooling certainly comprises diversion pipeline 2 and water return pipeline 7, and described diversion pipeline 2 is connected with water pump vane outlet port with described water spray system 4, and described water return pipeline 7 is connected with unit fixed on water pump suction with bearing housing inside; Described pump case 13 adopts upper and lower gland type structure, uses bolton.
The thin space of the inner semicircular in shape of water spray system 3, perforate is evenly distributed on water spray system 3 lower surface, and the water being sprayed onto heat exchange housing 6 flows down around housing exterior walls, makes the heat exchange between lubricant oil 4 and water abundant and even.Because the glassware for drinking water of drawing from water pump has certain pressure, meet the demand of water spray system 3 pairs of hydraulic pressure completely.
Its moulding of described pump bearing box internal heat housing 6 is totally cylinder mode, material is the copper that heat conductivity is higher, be seamless corrugated tubes in the middle part of heat exchange housing 6 thus increase the heat exchange that heat exchange area strengthens housing both sides liquid, heat exchange housing about 6 has two pores, for connecting oil inlet pipe 14, oil outlet tube 15, pipe place, described pump bearing box internal heat housing 6 two ends is cut into two Ω shape, and have bolt hole, on installation method, front and back opening is that upper and lower follower bolt fastening-type is installed, because copper heat exchange housing easily produces deformation, bearing is easy to install, sealing can be kept again with upper and lower two Ω shape platen clamp sealing gasket fitted bolts are fastening, be interference fit with bearing fit mode.Because the impulsive load that the running of the position such as pump shaft, bearing produces is born by pump case 13 completely, internal heat housing 6 bears impulsive load hardly, unsuitable blocked up from the thickness of heat exchange housing 6 angle strengthening heat exchange, but consider outside heat exchange housing 6 and between pump case 13 to be confined space, there is certain pressure, heat exchange housing 6 will bear this pressure, therefore its thickness again should not be excessively thin, and heat exchange housing 6 can ensure its exchange capability of heat to the sealing of oil to select suitable depth so not only can ensure.
To export with pump impeller from diversion pipeline 2 import of cooling circulating pipe and be connected, outlet is connected with described water spray system 3, diversion pipeline 2 is arranged flow control valve 1, this setup can be finely tuned pump discharge flow, pressure, can meet user's usage requirement accurately.Water return pipeline 7 is arranged demountable filter 9 and stop valve 1, stop valve 2 10, because backwater can adulterate the impurity such as scale, this setup allows to dismantle filtrating equipment 9, cleaning and changing.Whole is closed system from cooling circulating water system, and the hydraulic pressure bottom bearing housing, by pressure effect, is got back to pump entrance again by the water that water spray system 3 sprays, and forms circulation.
Water pump is operationally full oil-filled state in heat exchange housing 6, heat exchange housing 6 outside with bearing housing in the middle of be half water-filling state.
The described bearing of this invention, from cooling system, comprise bearing housing internal heat housing 6, and the design key of pump case 13 is the sealing in enclosed space, so adopt following scheme to keep it to seal:
Described pump case 13 and pump bearing box internal heat housing 6 compress in the middle of position and add Ω shape seal ring when mounted, then use bolton with Leakage prevention.
Described oil inlet pipe 14, oil outlet tube 15 adopt welding method to be connected with seamless corrugated tubes pore.Oil inlet pipe 14 entrance, oil outlet tube 15 export all and open screw thread, and use sealing gasket to coordinate screw rod to tighten maintenance sealing.
Described diversion pipeline 2 and water return pipeline 7 have outside thread stretching into pump case 13 place, and use sealing gasket fitted seal nut one (11) to tighten to keep sealing.
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
Fig. 1 is the water pump structure schematic diagram of a kind of water bearing in pump of the present invention from the embodiment of cooling system, comprises the water spray system 3 for cooling, pump bearing box internal heat housing 6, certainly cooling circulating pipe and pump case 13.At the beginning of the processing of this water pump, spiral case place leaves pore, and pore can be opened internal thread and be connected with diversion pipeline 2, diversion pipeline 2 is arranged flow control valve 1.Based on the impact of the water pump structure of this invention, each parts are installed has certain order.
1. first before heat exchange housing 6 is not installed, first by water return pipeline 7(as Fig. 4) tighten Leakage prevention through bearing housing lower cover plate sealing nut two (12) fitted seal pad, water return pipeline 7 is connected with unit fixed on water pump suction, and pipeline is arranged filtrating equipment 9 and stop valve 1, stop valve 2 10.
2. on next heat exchange housing 6 installation method, first through heat exchange housing 6, the axle of interference fit and bearing are confirmed that riding position tightens stove bolt 16(position as shown in Figure 3 after errorless), after heat exchange housing 6 times periphery places are adjacent to one deck Ω shape seal ring, overall related axle is placed on bearing housing lower cover plate, after between heat exchange housing 6 and pump case 13, add certain water gaging.
3. then water spray system 3 and diversion pipeline 2 joint are overlapped and have sealing gasket and be adjacent to space upper wall in pump case, diversion pipeline 2 has outside thread convenience sealing nut one (11) press seal pad and seals, water spray system 3 and pump case 13 upper cover plate connect as one thus, and concrete encapsulation scheme as shown in Figure 5.
4. after, on heat exchange housing 6, periphery encloses Ω shape seal ring again, and upper pressure is connected with the bearing housing upper cover plate of water spray system 3, with king-bolt 17 by unified fastening to bearing housing, heat exchange housing 6.
5. heat exchange housing 6 oil outlet is sealed, oil is filled it up with in inside, cover tightly oil-feed port lid.
6. finally diversion pipeline 2 and water pump spiral casing pipeline section are coupled together, pipeline arranges flow control valve 1.
Above-described embodiment is preferred embodiment of the present invention; but invention is not limited to above-mentioned mode of execution; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (9)
1. a water bearing in pump is from cooling system, it is characterized in that, the bearing means comprising pump case (13) and be arranged in pump case (13), be provided with the heat exchange housing (6) coordinated with bearing seal between described pump case (13) and bearing means, and form cooling water chamber between pump case (13) and described outer hot housing (6);
The space content formed between described heat exchange housing (6) and axle puts lubricant oil (4), is equipped with cooling water (5) in cooling water chamber.
2. a kind of water bearing in pump according to claim 1 is from cooling system, it is characterized in that, described pump case (13) offers the diversion pipeline (2) and water return pipeline (7) that are communicated with described cooling water chamber, the other end of described diversion pipeline (2) is communicated with pump impeller outlet port, and described water return pipeline (7) is communicated with pump inlet place.
3. a kind of water bearing in pump according to claim 2 is from cooling system, it is characterized in that, described housing (6) upper inside wall establishes the spray equipment (3) be communicated with diversion pipeline (2), and arranges flow control valve (1) on diversion pipeline (2).
4. a kind of water bearing in pump according to claim 2 is from cooling system, it is characterized in that, described water return pipeline (7) is provided with stop valve (8), (10), and filtrating equipment (9) is set between two stop valves, described cooling water is arranged in the cooling water chamber that described heat exchange housing (6) bottom and pump case (13) formed.
5. a kind of water bearing in pump according to claim 2 is from cooling system, it is characterized in that, the part place that described diversion pipeline (2) and water return pipeline (7) are connected with pump case (13) has outside thread, and uses sealing gasket fitted seal nut one (11) to tighten maintenance sealing.
6. a kind of water bearing in pump according to claim 1 is from cooling system, it is characterized in that, the position that described heat exchange housing (6) middle part contacts with cooling water chamber is seamless corrugated tubes, and lower part offers the pore being communicated with oil inlet pipe (14), oil outlet tube (15) respectively thereon.
7. a kind of water bearing in pump according to claim 1 is from cooling system, it is characterized in that, pipe place, described heat exchange housing (6) two ends is cut into two Ω shape, and offers bolt hole, and adds sealing gasket between bearing and installed by upper press table fastening-type.
8. a kind of water bearing in pump according to claim 6 is from cooling system, it is characterized in that, described oil inlet pipe (14), oil outlet tube (15) adopt welding method to be connected with seamless corrugated tubes pore; Open screw thread in the outlet all of oil inlet pipe entrance, oil outlet tube, and use sealing gasket to coordinate screw rod to tighten maintenance sealing.
9. water bearing in pump is from an installation method for cooling system, it is characterized in that, carries out according to following steps:
1) first that water return pipeline (7) is fastening through the sealing of bearing housing lower cover plate, water return pipeline (7) is connected with pump inlet, and pipeline is arranged filtrating equipment (9) and dual stop valve (8,10);
2) first through heat exchange housing (6), the axle of interference fit and bearing are confirmed that riding position is errorless rear fastening, overall related axle after periphery place is adjacent to one deck seal ring under heat exchange housing (6) is placed on bearing housing lower cover plate, after between heat exchange housing (6) and pump case (13), add certain water gaging;
3) then water spray system (3) and diversion pipeline (2) joint overlaps and have sealing gasket and be adjacent to pump case (13) interior space upper wall, water spray system (3) and pump case (13) upper cover plate are connected as one;
4) enclose seal ring at the upper periphery of heat exchange housing (6) again after, upper pressure is connected with pump case (13) upper cover plate of water spray system (3), with fastening piece by unified fastening to pump case (13), heat exchange housing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510286945.9A CN104863889A (en) | 2015-05-31 | 2015-05-31 | Bearing self-cooling system used for water pump and installing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510286945.9A CN104863889A (en) | 2015-05-31 | 2015-05-31 | Bearing self-cooling system used for water pump and installing method thereof |
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| CN104863889A true CN104863889A (en) | 2015-08-26 |
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| CN201510286945.9A Pending CN104863889A (en) | 2015-05-31 | 2015-05-31 | Bearing self-cooling system used for water pump and installing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664124A (en) * | 2016-07-31 | 2018-02-06 | 江苏科曼机械制造有限公司 | A kind of single-stage single-suction horizontal petrochemical process pump |
| CN109139487A (en) * | 2017-06-17 | 2019-01-04 | 三禾电器(福建)有限公司 | A kind of general water system of intelligent and high-efficiency |
| CN110513287A (en) * | 2019-08-01 | 2019-11-29 | 南京盛航海运股份有限公司 | A kind of mechanical seal cooling system of Quimby pump peculiar to vessel |
| RU206861U1 (en) * | 2021-05-26 | 2021-09-30 | Общество с ограниченной ответственностью "Виллина" | CONSOLE PUMP CENTRIFUGAL |
| CN114483597A (en) * | 2022-01-29 | 2022-05-13 | 靖江市亚太泵业有限公司 | Sealing mechanism of hot water pump |
| CN116624400A (en) * | 2023-07-21 | 2023-08-22 | 河北兆宏机械泵业有限公司 | Heating medium pump for temperature control machine |
-
2015
- 2015-05-31 CN CN201510286945.9A patent/CN104863889A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664124A (en) * | 2016-07-31 | 2018-02-06 | 江苏科曼机械制造有限公司 | A kind of single-stage single-suction horizontal petrochemical process pump |
| CN109139487A (en) * | 2017-06-17 | 2019-01-04 | 三禾电器(福建)有限公司 | A kind of general water system of intelligent and high-efficiency |
| CN109139487B (en) * | 2017-06-17 | 2024-05-28 | 三禾电器(福建)有限公司 | Intelligent efficient universal water supply system |
| CN110513287A (en) * | 2019-08-01 | 2019-11-29 | 南京盛航海运股份有限公司 | A kind of mechanical seal cooling system of Quimby pump peculiar to vessel |
| RU206861U1 (en) * | 2021-05-26 | 2021-09-30 | Общество с ограниченной ответственностью "Виллина" | CONSOLE PUMP CENTRIFUGAL |
| CN114483597A (en) * | 2022-01-29 | 2022-05-13 | 靖江市亚太泵业有限公司 | Sealing mechanism of hot water pump |
| CN116624400A (en) * | 2023-07-21 | 2023-08-22 | 河北兆宏机械泵业有限公司 | Heating medium pump for temperature control machine |
| CN116624400B (en) * | 2023-07-21 | 2023-10-27 | 河北兆宏机械泵业有限公司 | Heating medium pump for temperature control machine |
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Application publication date: 20150826 |
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