CN209948880U - Hydraulic pump directly connected with rotor - Google Patents
Hydraulic pump directly connected with rotor Download PDFInfo
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- CN209948880U CN209948880U CN201921079400.0U CN201921079400U CN209948880U CN 209948880 U CN209948880 U CN 209948880U CN 201921079400 U CN201921079400 U CN 201921079400U CN 209948880 U CN209948880 U CN 209948880U
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- rotor
- rotor magnetic
- stator winding
- hydraulic pump
- fixing seat
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Abstract
The hydraulic pump is directly connected with the rotor, the hydraulic pump body is provided with a shaft, rotor magnetic fins and a stator winding, the rotor magnetic fins are respectively fixed on a rotor magnetic fin fixing seat, the shaft is fixedly connected with a central hole of the rotor magnetic fin fixing seat, and the stator winding generates a magnetic field after being electrified so that the rotor magnetic fins rotate around the stator winding; the rotor magnetic fin drives the rotor magnetic fin fixing seat to rotate, and then drives the shaft to rotate. Has the following advantages: the volume of the whole motor pump set is reduced, and the space application elasticity is larger during installation; the reduction of the connecting piece can reduce the mechanical fit interference during operation, improve the rotational stability and reduce the noise.
Description
Technical Field
The utility model belongs to the technical field of pump machinery and specifically relates to a hydraulic pump with direct connection of rotor.
Background
The connection mode of the motor pump set in the prior art is mostly a squirrel-cage motor, a bell jar is in coaxial butt joint with a pump shell, and a shaft coupling is used for connecting a motor shaft and a pump shaft to serve as power transmission. Due to technical limitation, the motor-pump set is large in size and needs more materials. Meanwhile, the number of matched pieces is large, the required matching precision is high, the energy loss of power in the transmission process is large, and the work-doing efficiency loss is large.
Disclosure of Invention
The utility model discloses a solve current problem, aim at providing the hydraulic pump with rotor direct connection.
In order to achieve the above object, the utility model adopts a technical scheme that the device comprises a hydraulic pump body, wherein the hydraulic pump body is provided with a shaft, rotor magnetic fins and a stator winding, wherein the rotor magnetic fins are respectively fixed on a rotor magnetic fin fixing seat, the shaft is fixedly connected with a central hole of the rotor magnetic fin fixing seat, the stator winding is fixedly installed, and the stator winding generates a magnetic field after being electrified so that the rotor magnetic fins rotate around the stator winding; the rotor magnetic fin drives the rotor magnetic fin fixing seat to rotate, and then drives the shaft to rotate.
The motor stator also comprises a first junction box, wherein one end of the first junction box is connected with the stator winding, and the other end of the first junction box is connected with a power supply and is powered on.
Wherein, a Hall element is arranged on the stator winding; the motor stator also comprises a second junction box, wherein a driver is arranged in the second junction box, and the driver provides the correct current direction for the stator winding; the Hall element is used as a sensor to feed back to the second junction box.
The rotor magnetic fins are fixed on the inner ring of the rotor magnetic fin fixing seat in a surrounding mode, and when the rotor magnetic fins induce the torque generated by the magnetic field generated after the stator winding is electrified, the rotor magnetic fins rotate.
The stator winding fixing seat is provided with a stator winding fixing seat and a pump end cover plate, wherein the stator winding fixing seat is provided with a stator winding and a stator winding; the stator winding is arranged on the fixed shaft of the stator winding fixed seat; the shaft penetrates through the pump end cover plate to extend into the cavity, is fixedly connected with the center hole of the rotor magnetic fin fixing seat and is fixed through a fixing nut.
The shaft is provided with a taper surface, and the taper surface is fixedly connected with the key groove of the rotor magnetic fin fixing seat through a key.
Wherein, the front end of the shaft extends into the fixed groove of the fixed shaft and is rotatably connected with the fixed shaft.
Compared with the prior art, the utility model has the advantages of as follows: 1) after the coupler is removed, the size of the whole motor-pump set is reduced, the material requirement is reduced, and the space application elasticity is larger during installation; 2) the hydraulic pump body and the outer rotor type motor are directly connected by inclined plane positioning, key driving and threads, so that the center positioning precision can be improved, unpowered loss is achieved, and the working efficiency is improved; 3) the connecting piece reduces the mechanical fit interference during operation, improves the rotation stability and reduces the noise; 4) the rotor is in an outer rotor structure, so that starting torque is increased under the same starting current, and an energy-saving effect is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
referring to the attached drawings, the hydraulic pump body 1, a locking screw 2, a pump end cover plate 3, a rotor magnetic fin fixing seat 4, a rotor magnetic fin 5, a spring gasket 6, a fixing nut 7, a stator winding 8, a Hall element 9, a junction box (small) 10, a stator shell 11, a stator winding fixing seat 12 and a junction box (large) 13.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 shows an embodiment of the present invention, which provides a novel hydraulic pump directly connected to a rotor, and the novel hydraulic pump has the related structure in the above disclosure, and is implemented by the following measures: the stator winding 8 is connected to a horizontal cylindrical fixed shaft of the stator housing 11 after being combined and fixed with the annular stator winding fixing seat 12.
The junction box (large) 13 is fixed on the outer side of the stator shell 11 and close to the stator winding fixing seat 12, one end of the junction box (large) 13 is connected with the stator winding 8, and the other end of the junction box (large) 13 is connected with a power supply and is electrified. After the stator winding 8 is electrified, a magnetic field starts to be generated, and the magnetic poles on the rotor magnetic fins 5 can generate torque and rotate due to the magnetic field generated after the stator winding 8 is electrified. Since the stator winding 8 must switch the current direction in the rotor magnetic fins 5 according to the magnetic pole orientation thereof to continuously rotate the rotor magnetic fins 5, a hall element 9 is placed between the stator winding 8 and the rotor magnetic fins 5 as a sensor feedback to a terminal box (small) 10.
The terminal box (small) 10 is fixed on the outer side of the stator shell 11 near the Hall element 9, and a driver is arranged in the terminal box (small) 10 to provide the stator winding 8 with the correct current direction.
Preferably, the stator winding fixing base 12 is fixed to the stator housing 11 by using a locking screw.
The rotor magnetic fins 5 are fixed on the rotor magnetic fin fixing seats 4 in a surrounding mode, and when the rotor magnetic fins 5 induce the magnetic field generated after the stator windings 8 are electrified to generate torque and rotate, the rotor magnetic fin fixing seats 4 are driven to rotate together.
Preferably, the hydraulic pump body 1 and the pump end cover plate 3 are positioned by designing an outer shape groove matched with the hydraulic pump body. Preferably, the middle of the rotor magnetic fin fixing seat 4 is designed and processed to be positioned with the shaft handle thread and the inclined plane extending out of the hydraulic pump body 1, and is provided with a key groove which is matched and connected with a key on a shaft extending out of the hydraulic pump body 1 and is fixed by a fixing nut 7.
A spring washer 6 is also used to prevent loosening. The spring gasket 6 is arranged between the hydraulic pump bodies 1 of the fixing screw cap 7, and the effects of positioning center and synchronous rotation can be achieved.
Preferably, the connected hydraulic pump body 1, the pump end cover plate 3, the rotor magnetic fin fixing seat 4 and the rotor magnetic fin 5 are centered and fixed by the stepped shapes of the pump end cover plate 3 and the stator housing 11, so as to ensure the whole concentricity.
The embodiments of the present invention have been described in conjunction with the accompanying drawings and examples, the structures of which are not intended to limit the present invention, and those skilled in the art can make modifications as required, and all changes and modifications within the scope of the appended claims are within the scope of protection.
Claims (7)
1. A hydraulic pump directly coupled to a rotor, comprising a hydraulic pump body, characterized in that:
the hydraulic pump body is provided with a shaft, rotor magnetic fins and a stator winding, wherein the rotor magnetic fins are respectively fixed on a rotor magnetic fin fixing seat, the shaft is fixedly connected with a central hole of the rotor magnetic fin fixing seat, and the stator winding generates a magnetic field after being electrified so that the rotor magnetic fins rotate around the stator winding; the rotor magnetic fin drives the rotor magnetic fin fixing seat to rotate, and then drives the shaft to rotate.
2. The hydraulic pump directly coupled to the rotor of claim 1, wherein: the motor stator also comprises a first junction box, one end of the first junction box is connected with the stator winding, and the other end of the first junction box is connected with a power supply and is electrified.
3. The hydraulic pump directly coupled with a rotor as claimed in claim 1 or 2, wherein: a Hall element is arranged on the stator winding; the motor stator also comprises a second junction box, wherein a driver is arranged in the second junction box, and the driver provides the correct current direction for the stator winding; the Hall element is used as a sensor to feed back to the second junction box.
4. The hydraulic pump directly coupled to the rotor of claim 1, wherein: the rotor magnetic fins are fixed on the inner ring of the rotor magnetic fin fixing seat in a surrounding mode, and when the rotor magnetic fins induce the torque generated by a magnetic field generated after the stator winding is electrified, the rotor magnetic fins rotate.
5. The hydraulic pump directly coupled to the rotor of claim 1, wherein: the pump end cover plate and the stator winding fixing seat are oppositely closed, and a cavity is formed in the oppositely closed pump end cover plate and the stator winding fixing seat; the stator winding is arranged on the fixed shaft of the stator winding fixed seat; the shaft penetrates through the pump end cover plate to extend into the cavity, is fixedly connected with the center hole of the rotor magnetic fin fixing seat and is fixed through a fixing nut.
6. The hydraulic pump directly coupled with a rotor as claimed in claim 1 or 5, wherein: the shaft is provided with a taper surface, and the taper surface is fixedly connected with a key groove of the rotor magnetic fin fixing seat through a key.
7. The hydraulic pump directly coupled to the rotor of claim 5, wherein: the front end of the shaft extends into the fixed groove of the fixed shaft and is rotatably connected with the fixed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079400.0U CN209948880U (en) | 2019-07-09 | 2019-07-09 | Hydraulic pump directly connected with rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079400.0U CN209948880U (en) | 2019-07-09 | 2019-07-09 | Hydraulic pump directly connected with rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209948880U true CN209948880U (en) | 2020-01-14 |
Family
ID=69136581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921079400.0U Active CN209948880U (en) | 2019-07-09 | 2019-07-09 | Hydraulic pump directly connected with rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209948880U (en) |
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2019
- 2019-07-09 CN CN201921079400.0U patent/CN209948880U/en active Active
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