CN203783916U - Oil-immersed type motor pump set - Google Patents
Oil-immersed type motor pump set Download PDFInfo
- Publication number
- CN203783916U CN203783916U CN201420173410.1U CN201420173410U CN203783916U CN 203783916 U CN203783916 U CN 203783916U CN 201420173410 U CN201420173410 U CN 201420173410U CN 203783916 U CN203783916 U CN 203783916U
- Authority
- CN
- China
- Prior art keywords
- oil
- motor
- pump
- axle sleeve
- oil pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007654 immersion Methods 0.000 claims description 21
- 238000013016 damping Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 10
- 239000000806 elastomer Substances 0.000 claims description 7
- 239000002828 fuel tank Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 48
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an oil-immersed type motor pump set which comprises a supporting frame, an oil-immersed motor and an oil pump. The supporting frame is arranged at the bottom of an inner cavity of an oil tank, the oil-immersed motor and the oil pump are arranged on the supporting frame, the oil-immersed motor and the oil pump are distributed to be of a horizontal structure, and a motor rotating shaft of the oil-immersed motor is connected with an impeller rotating shaft in a pump cavity of the oil pump through a coupler. The oil-immersed motor and the oil pump are horizontally distributed to be of an integrated structure, so that the motor pump set is more compact in structure, the axial movement of the motor rotating shaft is avoided, and the motor is small in work noise and long in service life. By means of the coupler, the oil-immersed motor and the oil pump needn't share the same shaft. Thus, the transmission stability of the motor pump set is further guaranteed, and the shaft is not prone to being damaged.
Description
Technical field
The utility model relates to electric-motor pump group field, particularly a kind of oil immersed type electric-motor pump group.
Background technique
The working principle of current hydraulic workstation is as follows: driven by motor oil pump rotates, pump is oil suction fuel feeding from fuel tank, mechanical energy is converted into the pressure energy of hydraulic station, hydraulic oil has been realized after direction, pressure, Flow-rate adjustment through external pipeline and to the oil cylinder or oil motor of hydraulic machinery by integrated package (or valve combination), thereby control conversion, the size of strength and the speed of speed of hydraulic motor direction, promote various hydraulic machinery actings.But current motor and oil pump be split and motor be arranged on outside fuel tank, motor is radiating fin and the fan cooled that adopts motor casing, motor and oil pump structure are not compact, require very high to the coaxality of motor and oil pump, and volume is large, take up room large, and there is the inflammable and explosive occasion that waits Special use requirement, existence potential safety hazard to a certain degree.
In order to address the above problem, although there has been at present Chinese patent notice of authorization CN202348649U to disclose a kind of electric oil pump, it is characterized in that motor main body to be installed in fuel tank, remove existing fan and the radiating fin arranging because of air cooling way, at the cooperation place of motor casing and electric motor end cap design one deck explosion suppresion surface.This electric oil pump makes oil pump and the synthetic entirety of group of motors, has reduced coupling, has met the requirement of high-axiality between motor and oil pump, has improved working life and the ride quality of electric-motor pump group.Motor has removed fan, and motor casing has removed radiating fin, and motor and oil pump integral installation, in fuel tank, adopt the immersion oil type of cooling, more safe and reliable.
But between the motor of above-mentioned patent and oil pump, adopt upper and lower layout, motor is fixed on top of oil-tank, and oil pump is fixed on the output terminal of motor lower portion, so the weight of fuel pump impeller is all carried on motor output shaft, in working procedure, easily cause output shaft axial float, cause motor to produce larger noise, and affect motor internal sealing, shorten motor working life.And between the motor of above-mentioned patent and oil pump, share the same axis, increased the length of axle, make axle easily distortion in long-term work process.Moreover the motor of above-mentioned patent is directly connected with oil pump, its damping effect is poor.
Model utility content
Technical problem to be solved in the utility model is for shortcomings and deficiencies of the prior art, provides the oil immersed type electric-motor pump group of a kind of compact structure, working stability, to address the above problem.
The technical problem that the utility model solves can realize by the following technical solutions:
Oil immersed type electric-motor pump group, comprising:
One is arranged on the supporting frame on fuel tank intracavity bottom;
Be arranged on oil immersion motor and oil pump on support frame as described above, described oil immersion motor and oil pump are horizontal structure to be arranged, the machine shaft of described oil immersion motor is connected by coupling with the impeller shaft in described oil pump pump chamber
In a preferred embodiment of the present utility model, between described oil immersion motor and described oil pump, be also provided with a damping bell jar, the front end of described machine shaft, the tail end of described impeller shaft and described coupling are all contained in described damping bell jar.
In a preferred embodiment of the present utility model, described damping bell jar comprises conical shell and is fixed on the end cap of described conical shell front end, the rear end of described conical shell is provided with the flange for being connected with described oil immersion motor, the middle part of described end cap offers an axis hole for described impeller shaft output, between the front end of described conical shell and described end cap, is provided with yielding rubber.
In a preferred embodiment of the present utility model, described coupling comprises the first axle sleeve being connected with machine shaft, the second axle sleeve being connected with impeller shaft and for being connected the elastomer of described the first axle sleeve and the second axle sleeve, described elastomer has a ring body, the outer ring surface of this ring body is formed with multiple spaced double wedges, and the two ends of corresponding the first axle sleeve of described double wedge, the second axle sleeve are formed with respectively at least one protruding grain.
Owing to having adopted technological scheme as above, the integral structure that oil immersion motor and oil pump are arranged horizontally, not only makes the structure of electric-motor pump group compacter, has also avoided the axial float of machine shaft, makes machine operation noise little, long service life; Coupling makes oil immersion motor and oil pump without a shared axle, further ensure the stability of electric-motor pump group transmission, and axle is not fragile.In addition, oil pump is connected by damping bell jar with oil immersion motor, further improves the stability of equipment.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of embodiment's of the utility model structural representation.
Fig. 2 is the structural representation of a kind of embodiment's of the utility model damping bell jar.
Fig. 3 is the elastomer structure schematic diagram of a kind of embodiment's of the utility model coupling.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Oil immersed type electric-motor pump group shown in Figure 1, comprise the supporting frame 300 being arranged on fuel tank 1000 intracavity bottoms, be arranged on supporting frame 300 at oil immersion motor 100 and oil pump 200, and oil immersion motor 100 and oil pump 200 are horizontal structure and arrange, make the structure of electric-motor pump group compacter, avoid the axial float of machine shaft 110, made oil immersion motor 100 operating noises little, long service life.
The machine shaft 110 of oil immersion motor 100 is connected by coupling 500 with the impeller shaft 210 in oil pump 200 pump chambers, makes oil immersion motor 100 and oil pump 200 without a shared axle, ensure the stability of electric-motor pump group transmission, and axle is not fragile.
Shown in Fig. 3, coupling 500 comprises the first axle sleeve 510 being connected with machine shaft 110, the second axle sleeve 520 being connected with impeller shaft 210 and for being connected the elastomer 530 of the first axle sleeve 110 and the second axle sleeve 520.Elastomer 530 has a ring body 531, the outer ring surface of this ring body 531 is formed with multiple spaced double wedges 532, the two ends of corresponding the first axle sleeve 510 of double wedge 532, the second axle sleeve 520 are formed with respectively at least one protruding grain 533, and protruding grain 533 mutual dislocation of two adjacent double wedges 532 are distributed, make the first axle sleeve 510,520, the second axle sleeve can be subject to protruding grain 533 restrictions and there is stable spacing, thereby ensure the adjustment capability of machine shaft 110 and the omnibearing angle deviation of impeller shaft 210.
Between oil immersion motor 100 and oil pump 200, be also provided with a damping bell jar 400, further improve the stability of equipment.Shown in Fig. 2, damping bell jar 400 in the present embodiment comprises conical shell 410 and is fixed on the end cap 420 of conical shell 410 front ends, the rear end of conical shell 410 is provided with the flange 411 for being connected with oil immersion motor 100, the middle part of end cap 420 offers an axis hole 421 of exporting for impeller shaft 210, between the front end of conical shell 410 and end cap 420, be provided with yielding rubber 430, further improve the cushioning ability of damping bell jar 400.The front end of machine shaft 110, the tail end of impeller shaft 210 and coupling 500 are all contained in damping bell jar 430.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. oil immersed type electric-motor pump group, is characterized in that, comprising:
One is arranged on the supporting frame on fuel tank intracavity bottom;
Be arranged on oil immersion motor and oil pump on support frame as described above, described oil immersion motor and oil pump are horizontal structure to be arranged, the machine shaft of described oil immersion motor is connected by coupling with the impeller shaft in described oil pump pump chamber.
2. oil immersed type electric-motor pump group as claimed in claim 1, it is characterized in that, between described oil immersion motor and described oil pump, be also provided with a damping bell jar, the front end of described machine shaft, the tail end of described impeller shaft and described coupling are all contained in described damping bell jar.
3. oil immersed type electric-motor pump group as claimed in claim 2, it is characterized in that, described damping bell jar comprises conical shell and is fixed on the end cap of described conical shell front end, the rear end of described conical shell is provided with the flange for being connected with described oil immersion motor, the middle part of described end cap offers an axis hole for described impeller shaft output, between the front end of described conical shell and described end cap, is provided with yielding rubber.
4. the oil immersed type electric-motor pump group as described in claim as arbitrary in claims 1 to 3, it is characterized in that, described coupling comprises the first axle sleeve being connected with machine shaft, the second axle sleeve being connected with impeller shaft and for being connected the elastomer of described the first axle sleeve and the second axle sleeve, described elastomer has a ring body, the outer ring surface of this ring body is formed with multiple spaced double wedges, and the two ends of corresponding the first axle sleeve of described double wedge, the second axle sleeve are formed with respectively at least one protruding grain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173410.1U CN203783916U (en) | 2014-04-11 | 2014-04-11 | Oil-immersed type motor pump set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173410.1U CN203783916U (en) | 2014-04-11 | 2014-04-11 | Oil-immersed type motor pump set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203783916U true CN203783916U (en) | 2014-08-20 |
Family
ID=51320109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420173410.1U Expired - Lifetime CN203783916U (en) | 2014-04-11 | 2014-04-11 | Oil-immersed type motor pump set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203783916U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370637A (en) * | 2015-11-29 | 2016-03-02 | 无锡市海航电液伺服系统股份有限公司 | Hydraulic oil source |
| CN105370666A (en) * | 2015-11-29 | 2016-03-02 | 无锡市海航电液伺服系统股份有限公司 | Integrated hydraulic oil source system |
| CN112324654A (en) * | 2020-09-22 | 2021-02-05 | 宁波韵升电机技术有限公司 | Motor oil pump integral type device |
| CN113898631A (en) * | 2021-10-18 | 2022-01-07 | 武汉科技大学 | Modularization silence hydraulic power unit |
-
2014
- 2014-04-11 CN CN201420173410.1U patent/CN203783916U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370637A (en) * | 2015-11-29 | 2016-03-02 | 无锡市海航电液伺服系统股份有限公司 | Hydraulic oil source |
| CN105370666A (en) * | 2015-11-29 | 2016-03-02 | 无锡市海航电液伺服系统股份有限公司 | Integrated hydraulic oil source system |
| CN112324654A (en) * | 2020-09-22 | 2021-02-05 | 宁波韵升电机技术有限公司 | Motor oil pump integral type device |
| CN113898631A (en) * | 2021-10-18 | 2022-01-07 | 武汉科技大学 | Modularization silence hydraulic power unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |