CN1928365A - Blade pump for hydraulic engine with pore plate centrifugal auxiliary pump - Google Patents
Blade pump for hydraulic engine with pore plate centrifugal auxiliary pump Download PDFInfo
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- CN1928365A CN1928365A CN 200610105036 CN200610105036A CN1928365A CN 1928365 A CN1928365 A CN 1928365A CN 200610105036 CN200610105036 CN 200610105036 CN 200610105036 A CN200610105036 A CN 200610105036A CN 1928365 A CN1928365 A CN 1928365A
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- blade
- end cap
- hydraulic engine
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Abstract
The invention relates to a motor-hydraulic vane pump of centrifugal auxiliary pump with pore plate with the purpose that through machine winding driving vane pump rotor integrated with motor rotor, electric power is transmitted to hydraulic power and imported. Motor stator, in which machine rotor is installed; rotor bar is uniformly set in machine rotor, of which there are two end rings on each side; sleeve of motor rotor is installed in motor rotor. Press head and sleeve of motor rotor are firmly fixed. Solid self lubricated bearing is set in the sleeve of motor rotor and motor rotor is supported on main end cap through solid self lubricated bearing. Motor rotor is connected with basic shaft through the first spline and round nut and the right end of basic shaft is connected with vane pump rotor through the second spline. Left valve plate, vane pump stator and right valve plate are compacted to the inner of main end cap through outlet gland; outlet gland is connected with main end cap, on which inlet is set. Outlet is set on outlet gland and axial groove for oil is set in inner surface of pump shell.
Description
Technical field
The present invention relates to vane pump, relate in particular to blade pump for hydraulic engine.
Background technique
Vane pump is a kind of structural type of oil hydraulic pump, has advantages such as discharge uniformity is good, noise is lower, has therefore obtained to use widely.At present, vane pump is as a Hydraulic power units independently, needing to connect to form motor-hydraulic pump unit by its overhanging pump shaft and independently motor or internal-combustion engine forms hydraulic power unit and carries out work, this connection needs devices such as shaft joint, pump bracket, because independently the motor volume is bigger, add annexes such as shaft joint, whole hydraulic power unit volume weight is just very big.The motor that is connected with vane pump generally all contains cooling fan in addition, and therefore whole hydraulic power unit noise is also very big; Because vane pump has outrigger shaft, therefore there is the external leakage approach simultaneously.All there is the problem of oil suction deficiency to some extent in general oil hydraulic pump, therefore the inlet port at main pump need be provided with service pump in order to improve the oil absorption of main pump, service pump generally also is an oil hydraulic pump independently, need independent motor driving, therefore whole hydraulic power unit more complicated, volume are bigger.
Summary of the invention
The purpose of this invention is to provide a kind of blade pump for hydraulic engine, directly drive the blade pump rotor that combines as a whole with rotor by motor windings, making electric energy be converted into hydraulic pressure can export.
The present invention is the blade pump for hydraulic engine of perforated plate centrifugal auxiliary pump, main shaft 13 is supported on the main end cap 34 by two bearings 22, the right-hand member of main shaft 13 is supported in the right side thrust plate 31 by sliding bearing 28, be evenly equipped with blade 41 on the blade pump rotor 27, motor stator 18 is installed in the pump case 15, motor windings 16 is housed in the motor stator 18, be evenly equipped with rotor bar 40 in the rotor 23, respectively there is an end ring 19 rotor 23 both sides, rotor 23 inside are equipped with rotor cover 11, rotor pressing plate 14 tightens together with rotor cover 11, rotor overlaps 11 inside self-lubricating solid bearing 24 is housed, rotor 23 is supported on the main end cap 34 by self-lubricating solid bearing 24, rotor cover 11 is by the first spline 13a, round nut 12 is connected with main shaft 13, the right-hand member of main shaft 13 is connected with blade pump rotor 27 by the second spline 13b, left side thrust plate 25, blade pump stator 26, right side thrust plate 31 is pressed on main end cap 34 inside by oil outlet gland 32, oil outlet gland 32 is connected with main end cap 34, offer inlet port 34b on the main end cap 34, offer oil outlet 32a on the oil outlet gland 32, pump case 15 internal surfaces offer axially logical oil groove 15a, are provided with on the pump case 15 by wire board 5, screw 6, the embedded terminal box that terminal box backplate 3 constitutes.
The present invention compares with background technique, the useful effect that has is: this blade pump for hydraulic engine three of drive motor, vane pump, centrifugal service pump independently element become one from structure, not only make hydraulic power unit structurally greatly simplify, saved the connection transmission device, made that hydraulic power unit is compact more, volume is little, in light weight; And directly simplified power chain, electric energy is converted into hydraulic pressure through blade pump for hydraulic engine and can exports, and has higher efficient; Blade pump for hydraulic engine does not need outer projecting shaft, sealing reliably simultaneously, does not therefore have external leakage; The present invention has adopted but mode of oil cooling, has removed the fan in the motor, therefore removed the air power noise source, because the integrated centrifugal service pump of orifice plate, so main pump oil suction abundance, eliminated Cavitation Noise, whole thus blade pump for hydraulic engine has excellent quiet performance.That the present invention has is quiet, compact structure, efficient height, cooling are convenient, do not have advantage such as external leakage, can be widely used in the hydraulic system as kinetic pump, also is highly suitable for the medium transport that mustn't leak outside simultaneously.
Description of drawings
Fig. 1 is a structural drawing of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 a is the structural drawing of Fig. 1 rotor cover, and Fig. 3 b is the left view of Fig. 3 a rotor cover;
Fig. 4 is the structural drawing of main end cap among Fig. 1.
Among the figure: 1. screw, 2. spring washer, 3. terminal box backplate, 4. seal ring, 5. wire board, 6. screw, 7. hexagon thin nut, 8. seal ring, 9. sealing trim ring, 10. flat gasket, 11. rotor covers, 11a. inclined hole, 12. little round nut, 13. main shafts, 13a. first spline, 13b. second spline, 14. the axially logical oil groove of rotor pressing plate, 15. pump cases, 15a., 16. motor windings, 17. insulating paper, 18. motor stators, 19. end ring, 20. screws, 21. spring washer, 22. bearings, 23. rotors, 24. self-lubricating solid bearings, 25. left thrust plate, 26. pump stators, 27. pump rotors, 28. sliding bearing, 29. seal rings, 30. seal rings, 31. right thrust plate, 32. oil outlet glands, 33. screws, 34. main end cap, 34a. sidewise hole, 34b. inlet port, 34c. through hole, 35. seal rings, 36. screws, 37. the wire board trim ring, 38. stator compressing tablets, 39. rotor bars, 40. the stator coil press strip, 41. blades, 42. straight pins.
Embodiment
As shown in Figure 1, motor stator 18 is installed in pump case 15, motor windings 16 is housed in the motor stator 18.As shown in Figure 1 and Figure 2, be evenly equipped with rotor bar 40 in the rotor 23.As shown in Figure 1, respectively there is an end ring 19 rotor 23 both sides, rotor 23 inside are equipped with rotor cover 11, rotor pressing plate 14 is by screw 20, resilient pad 21 tightens together with rotor cover 11, rotor overlaps 11 inside self-lubricating solid bearing 24 is housed, rotor 23 is supported on the main end cap 34 by self-lubricating solid bearing 24, rotor cover 11 is by the first spline 13a, round nut 12 is connected with main shaft 13, main shaft 13 is supported on the main end cap 34 by two bearings 22, the right-hand member of main shaft 13 is connected with blade pump rotor 27 by the second spline 13b, the right-hand member of main shaft 13 is supported in the right side thrust plate 31 by sliding bearing 28, be evenly equipped with blade 41 on the blade pump rotor 27, left side thrust plate 25, blade pump stator 26, right side thrust plate 31 is pressed on main end cap 34 inside by oil outlet gland 32, and oil outlet gland 32 is connected with main end cap 34 by screw 33.As shown in Figure 4, offer inlet port 34b on the main end cap 34.As shown in Figure 1, offer oil outlet 32a on the oil outlet gland 32.As shown in Figure 2, offer axially logical oil groove 15a on the pump case 15.As shown in Figure 1, be provided with the embedded terminal box that constitutes by wire board 5, screw 6, terminal box backplate 3 etc. on the pump case 15.
Shown in Fig. 3 a and Fig. 3 b, in the rotor cover 11 a plurality of uniform inclined hole 11a are arranged, inclined hole (11a) is axis tilt 45 degree of main shaft 13 relatively, and hectare 20 degree after the sense of rotation of relative rotor 23.
As shown in Figure 4, uniform a plurality of through hole 34c on the main end cap 34, the right-hand member of uniform through hole 34c has side direction breach 34a on the main end cap 34.
Working procedure of the present invention is as follows:
As shown in Figure 1, rotor 23 links by rotor cover 11, first spline 13a and main shaft, the rotor assembly of compositions such as rotor 23, rotor cover 11 is supported on the main end cap 34 by bearing 22, self-lubricating solid bearing 24, main shaft 13 is connected with blade pump rotor 27 by the second spline 13b, left side thrust plate 25, blade pump stator 26, right side thrust plate 31 are pressed together by oil outlet gland 32, guarantee end face seal.
As shown in Figure 1, when connecting power supply to motor windings, electromagnetic torque drive motor rotor assembly, it is rotor 23, rotor cover 11, end ring 19 grades rotate, rotor cover 11 drives main shaft 13 rotations by the first spline 13a, main shaft 13 drives blade pump rotor 27 rotations by the second spline 13b, as Fig. 1, shown in Figure 4, fluid enters the inner chamber of pump case 15 from inlet port 34a, as Fig. 1, Fig. 2, shown in Fig. 3 a, oil groove 15a in pump case 15 enters the left end of rotor cover 11, when the rotor cover 11 that contains a plurality of inclined hole 11a rotates with rotor 23, rotor cover 11 plays the effect of centrifugal pump, as shown in Figure 4, fluid is transported to the sidewise hole 34a of main end cap 34 by inclined hole 11a, among the through hole 34c, enter again in the oil sucking window of vane pump, under centrifugal action, blade 41 heads that are distributed in the blade pump rotor 27 are close on the inside of blade pump stator 26, the outer round surface of adjacent two blades 41 and blade pump stator 26, the internal surface of left side thrust plate 25 and right side thrust plate, the outer round surface of blade pump rotor 27 is formed the blade working chamber, when the roundlet segmental arc of blade pump rotor 27 steering blade pump stators 25, blade working chamber volume reduces, carry out the high pressure oil extraction, the high pressure oil of discharge is discharged by oil outlet 32a.(each oilhole, gap) mobile fluid is taken away heat in pump case 15, and the outer surface by pump case 15 dispels the heat simultaneously.
Claims (10)
1, the blade pump for hydraulic engine of perforated plate centrifugal auxiliary pump, main shaft (13) is supported on the main end cap (34) by two bearings (22), the right-hand member of main shaft (13) is supported in the right side thrust plate (31) by sliding bearing (28), be evenly equipped with blade (41) on the blade pump rotor (27), it is characterized in that being equipped with in the pump case (15) motor stator (18), motor windings (16) is housed in the motor stator (18), be evenly equipped with rotor bar (40) in the rotor (23), respectively there is an end ring (19) rotor (23) both sides, rotor (23) inside is equipped with rotor cover (11), rotor pressing plate (14) tightens together with rotor cover (11), self-lubricating solid bearing (24) is equipped with in rotor cover (11) inside, rotor (23) is supported on the main end cap (34) by self-lubricating solid bearing (24), rotor cover (11) is by first spline (13a), round nut (12) is connected with main shaft (13), the right-hand member of main shaft (13) is connected with blade pump rotor (27) by second spline (13b), left side thrust plate (25), blade pump stator (26), right side thrust plate (31) is pressed on main end cap (34) inside by oil outlet gland (32), oil outlet gland (32) is connected with main end cap (34), offer inlet port (34b) on the main end cap (34), offer oil outlet (32a) on the oil outlet gland (32), pump case (15) internal surface offers axially logical oil groove (15a), is provided with on the pump case (15) by wire board (5), screw (6), the embedded terminal box that terminal box backplate (3) constitutes.
2, the blade pump for hydraulic engine of perforated plate centrifugal auxiliary pump according to claim 1 is characterized in that rotor (23) inside is equipped with rotor cover (11).
3, the blade pump for hydraulic engine of perforated plate centrifugal auxiliary pump according to claim 1, it is characterized in that a plurality of uniform inclined holes (11a) are arranged in the rotor cover (11), inclined hole (11a) is axis tilt 45 degree of main shaft (13) relatively, and hectare 20 degree after the sense of rotation of relative rotor (23).
4, the blade pump for hydraulic engine of perforated plate centrifugal auxiliary pump according to claim 1 is characterized in that rotor cover (11) inside is equipped with self-lubricating solid bearing (24).
5, the blade pump for hydraulic engine of perforated plate centrifugal auxiliary pump according to claim 1 is characterized in that main end cap (34) gone up uniform a plurality of through holes (34c).
6, the blade pump for hydraulic engine of perforated plate centrifugal auxiliary pump according to claim 1 is characterized in that the right-hand member of through hole (34c) uniform on the main end cap (34) has side direction breach (34a).
7, the blade pump for hydraulic engine of perforated plate centrifugal auxiliary pump according to claim 1 is characterized in that the embedded terminal box that is made of wire board (5), screw (6), terminal box backplate (3) is arranged on the pump case (15).
8, the blade pump for hydraulic engine of perforated plate centrifugal auxiliary pump according to claim 1 is characterized in that pump case (15) internal surface offers a plurality of axially logical oil grooves (15a).
9, the blade pump for hydraulic engine of perforated plate centrifugal auxiliary pump according to claim 1 is characterized in that rotor pressing plate (14) tightens together with rotor cover (11) by screw (20), resilient pad (21).
10, the blade pump for hydraulic engine of perforated plate centrifugal auxiliary pump according to claim 1 is characterized in that oil outlet gland (32) is connected with main end cap (34) by screw (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101050361A CN100491730C (en) | 2006-08-15 | 2006-08-15 | Blade pump for hydraulic engine with pore plate centrifugal auxiliary pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101050361A CN100491730C (en) | 2006-08-15 | 2006-08-15 | Blade pump for hydraulic engine with pore plate centrifugal auxiliary pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1928365A true CN1928365A (en) | 2007-03-14 |
| CN100491730C CN100491730C (en) | 2009-05-27 |
Family
ID=37858452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101050361A Expired - Fee Related CN100491730C (en) | 2006-08-15 | 2006-08-15 | Blade pump for hydraulic engine with pore plate centrifugal auxiliary pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100491730C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628435A (en) * | 2011-11-15 | 2012-08-08 | 兰州理工大学 | Hydraulic power unit including centrifugal pump and vane pump in motor |
| CN109681423A (en) * | 2018-12-17 | 2019-04-26 | 北京科技大学 | A kind of integrated hydraulic power unit based on external rotor electric machine |
| CN112086228A (en) * | 2020-09-23 | 2020-12-15 | 四川天邑康和通信股份有限公司 | Flat non-metallic strength member RF coaxial cable and method of making same |
| CN112436636A (en) * | 2021-01-28 | 2021-03-02 | 瑞昌市森奥达科技有限公司 | Permanent magnet motor and oil pumping device using same |
-
2006
- 2006-08-15 CN CNB2006101050361A patent/CN100491730C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628435A (en) * | 2011-11-15 | 2012-08-08 | 兰州理工大学 | Hydraulic power unit including centrifugal pump and vane pump in motor |
| CN109681423A (en) * | 2018-12-17 | 2019-04-26 | 北京科技大学 | A kind of integrated hydraulic power unit based on external rotor electric machine |
| CN112086228A (en) * | 2020-09-23 | 2020-12-15 | 四川天邑康和通信股份有限公司 | Flat non-metallic strength member RF coaxial cable and method of making same |
| CN112436636A (en) * | 2021-01-28 | 2021-03-02 | 瑞昌市森奥达科技有限公司 | Permanent magnet motor and oil pumping device using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100491730C (en) | 2009-05-27 |
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Granted publication date: 20090527 |