CN219734968U - Small-sized high-voltage DC motor oil pump - Google Patents
Small-sized high-voltage DC motor oil pump Download PDFInfo
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- CN219734968U CN219734968U CN202321013785.7U CN202321013785U CN219734968U CN 219734968 U CN219734968 U CN 219734968U CN 202321013785 U CN202321013785 U CN 202321013785U CN 219734968 U CN219734968 U CN 219734968U
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- 239000010705 motor oil Substances 0.000 title claims abstract description 25
- 239000003921 oil Substances 0.000 claims abstract description 216
- 239000000463 material Substances 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims 7
- 239000010687 lubricating oil Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model discloses a small-sized high-voltage direct current motor oil pump, which comprises a high-voltage direct current motor, wherein oil sucking pumps and oil pressing pumps are symmetrically arranged at the left end and the right end of the high-voltage direct current motor; the oil suction pump comprises an oil suction pump body, an oil suction pump cover is arranged on one side, close to the high-voltage direct-current motor, of the oil suction pump body, the oil suction pump comprises an oil suction pump body, and an oil suction pump cover is arranged on one side, close to the high-voltage direct-current motor, of the oil suction pump body; the oil pump body and the oil pump body are internally and respectively penetrated with an oil pump shaft in rotary connection with the oil pump body and the oil pump body, the oil pump shafts respectively penetrate through the oil pump cover and the oil pump cover, and opposite inner ends of the two oil pump shafts are connected with a main shaft of the high-voltage direct current motor. The small-sized high-voltage direct current motor oil pump provided by the utility model can provide lubricating oil with certain pressure under the supply of a high-power direct current power supply, and can save installation space and reduce weight on the basis of ensuring the safety of a unit.
Description
Technical Field
The utility model relates to a small-sized high-voltage direct current motor oil pump, and belongs to the technical field of oil pumps.
Background
With the wide application of the high and new technology on weaponry, the unmanned aerial vehicle is increasingly widely applied to military. With the development of computer technology, autopilot technology and remote control telemetry technology and application in unmanned aerial vehicles, and the deep research on unmanned aerial vehicle tactics, the development of military unmanned aerial vehicles has made breakthrough progress. In order to realize high speed, high mobility and high stealth of the military unmanned aerial vehicle, the performance requirement on the engine is higher, and the engine oil pump which is comparable with the engine heart is more important in a lubricating system of the military unmanned aerial vehicle.
In order to ensure that lubrication can be provided for an engine anytime and anywhere, a direct current motor oil pump is usually arranged in the engine, and the engine is supplemented with lubrication by using an engine power supply before the engine is started or when the engine stops running due to faults.
The large-scale military unmanned aerial vehicle needs to be configured with a high-power supply system to meet the performance requirement, the rated voltage of an ordinary direct-current motor oil pump is only tens of volts, and if the large-scale military unmanned aerial vehicle is connected with the high-power supply system of the military unmanned aerial vehicle, a large current can be generated, so that the motor of the motor oil pump is instantaneously burnt. The high-power direct-current motor oil pump is large in size, occupies a very limited space in an engine, and limits the operational flexibility of the military unmanned aerial vehicle.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides the small-sized high-voltage direct current motor oil pump which can provide lubricating oil with certain pressure under the supply of a high-power direct current power supply, saves the installation space and reduces the weight on the basis of ensuring the safety of a unit.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the small-sized high-voltage direct current motor oil pump comprises a high-voltage direct current motor, wherein oil sucking pumps and oil pressing pumps are symmetrically arranged at the left end and the right end of the high-voltage direct current motor;
the oil suction pump comprises an oil suction pump body, and an oil suction pump cover is arranged on one side of the oil suction pump body, which is close to the high-voltage direct current motor; the pressure oil pump comprises a pressure oil pump body, and a pressure oil pump cover is arranged on one side of the pressure oil pump body, which is close to the high-voltage direct-current motor;
the oil pump body and the oil pump body are internally and respectively penetrated with an oil pump shaft in rotary connection with the oil pump body and the oil pump body, the oil pump shafts respectively penetrate through the oil pump cover and the oil pump cover, and opposite inner ends of the two oil pump shafts are connected with a main shaft of the high-voltage direct current motor.
Further, the high-voltage direct current motor adopts a rated voltage of 550V, and a main shaft of the high-voltage direct current motor is provided with two output shaft heads.
Further, the oil suction pump cover is connected with a motor end cover at the left side of the high-voltage direct-current motor; the oil pump cover is connected with a motor end cover on the right side of the high-voltage direct-current motor.
Further, locating pins are respectively arranged between the oil suction pump cover and the oil suction pump body and between the oil pump cover and the oil pump body.
Further, the connecting parts of the oil pump shaft, the oil suction pump cover and the oil pump cover are respectively provided with a bushing.
Further, the lining is made of PTFE material, and a spiral oil groove structure is arranged in the lining.
Further, the inner rotor and the outer rotor are respectively arranged in the rotor chambers of the oil suction pump body and the oil pump body, the outer rotor is sleeved outside the inner rotor, and the inner rotor is sleeved on the oil pump shaft.
Further, the oil suction pump body is provided with an oil suction pump inlet and an oil suction pump outlet, and the oil suction pump inlet and the oil suction pump outlet are both communicated with the rotor chamber of the oil suction pump body.
Further, an oil inlet and an oil outlet of the oil pump are arranged on the oil pump body, and the oil inlet and the oil outlet of the oil pump are communicated with a rotor chamber of the oil pump body.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
the 550V high-voltage direct current motor is connected with the high-power direct current power supply of the unmanned aerial vehicle, so that the current is reduced on the premise of meeting the power demand, and the problem that the motor heats and burns out due to overlarge current is solved;
by adopting the high-voltage direct current motor with smaller volume, the left side and the right side of the motor are symmetrically connected with the oil suction pump and the oil pressing pump body, the oil suction pump and the oil pressing pump body are made of aluminum materials with lighter mass, and the pair of rotors are respectively arranged in the oil suction pump body and the oil pressing pump body, so that the structure of the rotors is more compact, the flow is large, and the uniformity of oil supply is good;
the lubricating device meets the lubricating requirement, reduces the overall dimension, greatly saves the installation space, reduces the weight of the whole machine and is beneficial to the high flexibility combat of the unmanned aerial vehicle. Compared with gear transmission, the rotor transmission can reduce noise and better ensure high concealment of the unmanned aerial vehicle;
the oil pump is integrated with the oil suction and pressure, and the oil suction and pressure oil process is realized at the same time, which is equivalent to the completion of the work of two pumps, thereby being beneficial to energy saving and consumption reduction.
The utility model will now be described in detail with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a partial enlarged view of fig. 1.
In the figure, a 1-engine oil pump shaft, a 2-oil suction pump body, a 3-inner rotor, a 4-outer rotor, a 5-bushing, a 6-locating pin, a 7-oil suction pump cover, an 8-high voltage direct current motor, a 9-motor end cover, a 10-oil suction pump cover, a 11-oil suction pump body, a 12-oil suction pump oil inlet, a 13-oil suction pump oil outlet, a 14-oil suction pump oil inlet and a 15-oil suction pump oil outlet are arranged.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2 together, the utility model provides a small-sized high-voltage direct current motor oil pump, which comprises a high-voltage direct current motor 8, an oil suction pump and an oil pressing pump, wherein the oil suction pump and the oil pressing pump are symmetrically arranged at the left end and the right end of the high-voltage direct current motor 8.
The high-voltage direct current motor 8 adopts a rated voltage of 550V, and a main shaft of the high-voltage direct current motor 8 is provided with two output shaft heads.
The oil suction pump comprises an oil suction pump body 2, an oil suction pump cover 7 is arranged on one side, close to the high-voltage direct-current motor 8, of the oil suction pump body 2, and the oil suction pump cover 7 is connected with a motor end cover 9 on the left side of the high-voltage direct-current motor 8.
The oil pump comprises an oil pump body 11, an oil pump cover 10 is arranged on one side of the oil pump body 11, which is close to the high-voltage direct-current motor 8, and the oil pump cover 10 is connected with a motor end cover 9 on the right side of the high-voltage direct-current motor 8.
Locating pins 6 are respectively arranged between the oil suction pump cover 7 and the oil suction pump body 2, and between the oil pump cover 10 and the oil pump body 11, and the locating pins 6 are used for locating connection.
The oil pump body 2 and the oil pump body 11 are internally and respectively penetrated with an oil pump shaft 1 which is rotationally connected with the oil pump body, the oil pump shafts 1 respectively penetrate through the oil pump cover 7 and the oil pump cover 10, and opposite inner ends of the two oil pump shafts 1 are connected with a main shaft of the high-voltage direct current motor 8. The power of the high-voltage direct current motor 8 is transmitted to the oil pump shafts 1 on two sides through the main shaft.
The connection part of the engine oil pump shaft 1, the oil suction pump cover 7 and the oil pump cover 10 is provided with a lining 5, the lining 5 is made of PTFE material, and a spiral oil groove structure is arranged in the lining 5.
Because the high-voltage direct current motor 8 has higher rotating speed, the high rotating speed can prevent the faults such as shaft locking and the like caused by friction and heat generation of the oil pump shaft 1 by arranging the bushing 5 with the self-lubricating and wear-resisting functions.
The inner rotor 3 and the outer rotor 4 are respectively arranged in the rotor chambers of the oil suction pump body 2 and the oil pump body 11, the outer rotor 4 is sleeved outside the inner rotor 3, and the inner rotor is sleeved on the oil pump shaft 1.
The oil suction pump body 2 is provided with an oil suction pump oil inlet 14 and an oil suction pump oil outlet 15, and the oil suction pump oil inlet 14 and the oil suction pump oil outlet 15 are communicated with a rotor chamber of the oil suction pump body 2.
The oil pump body 11 is provided with an oil pump oil inlet 12 and an oil pump oil outlet 13, and the oil pump oil inlet 12 and the oil pump oil outlet 13 are both communicated with a rotor chamber of the oil pump body 11.
The oil suction pump body 2 and the oil pressure pump body 11 are made of lighter aluminum materials.
The specific working principle of the utility model is as follows:
when the high-power direct current motor 8 is started after being connected with a high-power direct current power supply of the unmanned aerial vehicle, a main shaft of the high-power direct current motor 8 drives oil pump shafts 1 on two sides to rotate, an inner rotor and an outer rotor arranged on the oil pump shafts 1 are meshed and rotated along with the high-power direct current power supply, and the volumes of closed spaces formed between the inner rotor and the outer rotor and a rotor chamber of a pump body are changed in the meshing and rotating process, so that the working cycle of oil inlet and oil outlet of the oil pump is completed.
When the oil pump works, lubricating oil is sucked from an oil tank through an oil inlet 12 of the oil pump, and along with the operation of the oil pump, the lubricating oil is conveyed to all parts of the engine, which need to be lubricated, through an oil outlet 13 of the oil pump. After the procedures of purification, filtration and the like, the lubricating oil which completes the lubricating task is sucked by the oil suction pump through the oil suction pump oil inlet 14, and the filtered lubricating oil is sent to the oil tank through the oil suction pump oil outlet 15 along with the operation of the oil suction pump, so that one working cycle is completed. On the basis of recycling lubricating oil, lubricating oil is provided for all parts of the engine.
According to the utility model, the unmanned aerial vehicle is driven by a high-power direct-current power supply, and the 550V high-voltage direct-current motor is connected with the power supply, so that the current is reduced on the premise of meeting the power demand, and the problem of heating and burning of the motor caused by overlarge current is solved. Meanwhile, the motor center height is only 120, and the motor belongs to a small motor series, and is small in size, and the left side and the right side are symmetrically connected with the suction pump and the pressure oil pump. The oil suction pump body and the oil pressing pump body are made of aluminum materials with lighter mass, a pair of rotors are respectively arranged in the oil suction pump body and the oil pressing pump body, the rotor type structure is more compact, the flow is large, the oil supply uniformity is good, the design meets the lubrication requirement, the overall dimension is reduced, the installation space is greatly saved, the weight of the whole machine is reduced, and the unmanned aerial vehicle high flexibility combat is facilitated. Compared with gear transmission, the rotor transmission can reduce noise and can better ensure high concealment of the unmanned aerial vehicle.
One oil pump can realize the process of sucking and pressing oil simultaneously, which is equivalent to the completion of the work of two pumps, and is beneficial to energy saving and consumption reduction.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (9)
1. The small-sized high-voltage direct current motor oil pump is characterized in that: the motor comprises a high-voltage direct current motor (8), wherein oil suction pumps and oil pressing pumps are symmetrically arranged at the left end and the right end of the high-voltage direct current motor (8);
the oil suction pump comprises an oil suction pump body (2), and an oil suction pump cover (7) is arranged on one side of the oil suction pump body (2) close to the high-voltage direct current motor (8); the pressure oil pump comprises a pressure oil pump body (11), and a pressure oil pump cover (10) is arranged on one side of the pressure oil pump body (11) close to the high-voltage direct current motor (8);
the oil pump body (2) and the oil pump body (11) are internally and respectively penetrated with an oil pump shaft (1) which is rotationally connected with the oil pump body, the oil pump shafts (1) respectively penetrate through the oil pump cover (7) and the oil pump cover (10), and the opposite inner ends of the two oil pump shafts (1) are respectively connected with a main shaft of a high-voltage direct current motor (8).
2. The small-sized high-voltage direct current motor oil pump according to claim 1, wherein: the high-voltage direct current motor (8) adopts a rated voltage of 550V, and a main shaft of the high-voltage direct current motor (8) is provided with two output shaft heads.
3. The small-sized high-voltage direct current motor oil pump according to claim 1, wherein: the oil suction pump cover (7) is connected with a motor end cover (9) on the left side of the high-voltage direct-current motor (8), and the oil pump cover (10) is connected with the motor end cover (9) on the right side of the high-voltage direct-current motor (8).
4. The small-sized high-voltage direct current motor oil pump according to claim 1, wherein: positioning pins (6) are respectively arranged between the oil suction pump cover (7) and the oil suction pump body (2), and between the oil pressure pump cover (10) and the oil pressure pump body (11).
5. The small-sized high-voltage direct current motor oil pump according to claim 1, wherein: the connecting parts of the engine oil pump shaft (1), the oil suction pump cover (7) and the oil pump cover (10) are respectively provided with a lining (5).
6. The small-sized high-voltage direct current motor oil pump according to claim 5, wherein: the lining (5) is made of PTFE material, and a spiral oil groove structure is arranged in the lining (5).
7. The small-sized high-voltage direct current motor oil pump according to claim 1, wherein: an inner rotor (3) and an outer rotor (4) are arranged in rotor chambers of the oil suction pump body (2) and the oil pump body (11), the outer rotor (4) is sleeved outside the inner rotor (3), and the inner rotor is sleeved on the oil pump shaft (1).
8. The small-sized high-voltage direct current motor oil pump according to claim 1, wherein: the oil suction pump body (2) is provided with an oil suction pump oil inlet (14) and an oil suction pump oil outlet (15), and the oil suction pump oil inlet (14) and the oil suction pump oil outlet (15) are communicated with a rotor chamber of the oil suction pump body (2).
9. The small-sized high-voltage direct current motor oil pump according to claim 1, wherein: the hydraulic oil pump is characterized in that an oil inlet (12) of the hydraulic oil pump and an oil outlet (13) of the hydraulic oil pump are arranged on the hydraulic oil pump body (11), and the oil inlet (12) of the hydraulic oil pump and the oil outlet (13) of the hydraulic oil pump are communicated with a rotor chamber of the hydraulic oil pump body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321013785.7U CN219734968U (en) | 2023-04-28 | 2023-04-28 | Small-sized high-voltage DC motor oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321013785.7U CN219734968U (en) | 2023-04-28 | 2023-04-28 | Small-sized high-voltage DC motor oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219734968U true CN219734968U (en) | 2023-09-22 |
Family
ID=88032939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321013785.7U Active CN219734968U (en) | 2023-04-28 | 2023-04-28 | Small-sized high-voltage DC motor oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219734968U (en) |
-
2023
- 2023-04-28 CN CN202321013785.7U patent/CN219734968U/en active Active
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