CN113364189A - Integrated submersible pump motor support - Google Patents
Integrated submersible pump motor support Download PDFInfo
- Publication number
- CN113364189A CN113364189A CN202110676632.XA CN202110676632A CN113364189A CN 113364189 A CN113364189 A CN 113364189A CN 202110676632 A CN202110676632 A CN 202110676632A CN 113364189 A CN113364189 A CN 113364189A
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- China
- Prior art keywords
- casing
- submersible pump
- driving
- rotor
- pump motor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/132—Submersible electric motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of submersible pumps, and discloses an integrated submersible pump motor support which comprises a casing, a first end cover and a second end cover, wherein the first end cover and the second end cover are respectively fixed at two ends of the casing, a rotor is further arranged in the casing, the inner end of the rotor is rotatably connected with the inner side of the first end cover, the outer end of the rotor extends out of the second end cover, an inner cavity for mounting a stator is further formed in the casing, a plurality of mounting shells are circumferentially fixed on the outer side of the casing, a gap is formed in one side, away from the casing, of each mounting shell, a support rod is rotatably mounted in the gap through a rotating shaft, the movable end of each support rod can rotatably extend out of the gap, the rotating shaft is driven by a driving mechanism, and the driving mechanism is a waterproof motor fixed on the mounting shells. The submersible pump is simple in structure, and can be prevented from being used by sinking, so that the submersible pump is stable and reliable in operation and is not easy to damage.
Description
Technical Field
The invention relates to the technical field of submersible pumps, in particular to an integrated submersible pump motor support.
Background
At present, the submersible pump is an important device for pumping water from a deep well. When in use, the whole unit is submerged to work, and the underground water is extracted to the ground surface, so that the unit is used for domestic water, mine emergency rescue, industrial cooling, farmland irrigation, seawater lifting and ship load regulation, is also suitable for extracting the underground water from a deep well, and can also be used for water extraction projects such as rivers, reservoirs, water channels and the like. The water-saving device is mainly used for farmland irrigation and water for people and livestock in high mountain areas, and can also be used for central air-conditioning cooling, heat pump units, cold pump units, cities, factories, railways, mines and construction sites for water drainage.
The submersible pump has no function of preventing the sinking bottom, and once the fixed rope falls off, the submersible pump is very difficult to salvage.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the integrated submersible pump motor support comprises a casing, a first end cover and a second end cover, wherein the first end cover and the second end cover are fixed at two ends of the casing respectively, a rotor is further arranged in the casing, the inner end of the rotor is rotatably connected with the inner side of the first end cover, the outer end of the rotor extends out of the second end cover, and an inner cavity for mounting a stator is further formed in the casing.
The outer side circumference of casing is fixed with a plurality of installation shell, and the installation shell has the breach in one side far away from the casing, through a pivot rotational mounting branch in the breach, the expansion end of branch can rotate and stretch out the breach, and the pivot is driven by actuating mechanism.
As a further improvement of the above solution, the driving mechanism is a waterproof motor fixed on the mounting case.
As a further improvement of the above scheme, the driving mechanism includes a gear fixedly sleeved outside the rotating shaft and a toothed plate in meshing transmission with the gear, a guide insertion hole movably connected with the toothed plate is formed in the mounting shell, and the outer end of the toothed plate extends out of the guide insertion hole and is connected with an external driving unit.
As the further improvement of above-mentioned scheme, one side that the casing is close to end cover one has annular ladder groove, drive unit sets up at the ladder inslot, and drive unit include with rotor parallel arrangement's bracing piece, rotate the column spinner of cup jointing in the bracing piece outside, bracing piece and ladder groove sliding connection, the outside of column spinner has the external screw thread, and the spiral has cup jointed the movable sleeve, movable sleeve and pinion rack are fixed, and the bracing piece is radial along the rotor at the slide direction in ladder inslot, and drive unit still including setting up the driving gear in the casing, driving gear and rotor are fixed to be cup jointed, the tank bottom in ladder groove has been seted up and has been perforated, the perforation department rotates and is provided with the drive gear with driving gear meshing, drive gear's opposite side and column spinner transmission hookup.
As a further improvement of the scheme, the outer side of the rotating column is provided with an engaging section, the outer surface of the engaging section is in a toothed column shape, the engaging section is in engaged transmission with the transmission gear, a bearing seat is movably sleeved on the outer side of one end of the rotating column, and the bottom of the bearing seat is connected with a mandril.
As a further improvement of the scheme, a through hole is formed in the bottom of the stepped groove, one end of the ejector rod penetrates through the through hole in a sliding mode and is connected with the adjusting mechanism, the adjusting mechanism is used for driving the ejector rod to ascend and descend, and the rotating column ascends and descends along with the ejector rod, so that the rotating column is meshed with or separated from the transmission gear.
As a further improvement of the above scheme, the adjusting mechanism comprises a rotary disc and a connecting rod which are rotatably arranged in the shell, one end of the connecting rod is rotatably connected with the eccentric part of the rotary disc, the other end of the connecting rod is rotatably connected with the end part of the ejector rod, a driving shaft is coaxially fixed on one side of the rotary disc, and a driving motor is installed at the other end of the driving shaft to drive the driving shaft to rotate.
As a further improvement of the scheme, a first partition plate and a second partition plate are fixed inside the shell corresponding to the stepped groove, and the driving gear and the transmission gear are located between the first partition plate and the second partition plate.
As a further improvement of the above scheme, an annular rotary groove is formed in the inner wall of one side of the stepped groove, a rotary ring is arranged in the rotary groove in a rotating mode, a plurality of connecting plates are circumferentially fixed to the outer wall of the rotary ring, a lifting ring is mounted at the tail end of each connecting plate, and a traction rope is tied to the lifting ring in a tying mode.
The invention has the beneficial effects that:
the support rod capable of rotatably extending out of the mounting shell can effectively prevent the submersible pump from sinking to the water bottom when the submersible pump with the motor support provided by the scheme is used, so that the submersible pump is stable and reliable in operation, and the submersible pump is prevented from being damaged.
According to the invention, the rotating column in the stepped groove rotates to drive the movable sleeve in threaded connection with the stepped groove to move along the axial direction of the movable sleeve, so that the toothed plate is driven to slide, the toothed plate is meshed with the gear to drive the rotating shaft to rotate, and finally the supporting rod is driven to extend in a rotating manner. And this scheme adopts the rotor as power output source, and indirect drive column rotates, and the kinetic energy of rational utilization rotor avoids all the other power supplies of extra installation for overall structure is simpler.
The adjusting mechanism provided by the invention is used for driving the ejector rod to lift and lower so as to enable the rotating column to be meshed with or separated from the transmission gear, when the supporting rod needs to extend out, the adjusting mechanism drives the rotating column to be meshed with the transmission gear, after the supporting rod rotates to a certain position after working for a period of time, the adjusting mechanism works to drive the transmission gear to be separated from the rotating column, and at the moment, the supporting rod can keep working at the position so as to prevent the submersible pump from sinking to the bottom to cause the working failure of the submersible pump.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a perspective view of a portion of the present invention;
FIG. 2 is a schematic view of the present invention as viewed from one side of the first end cap;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2 in accordance with the present invention;
fig. 4 is a schematic sectional structure view of a motor bracket for a submersible pump according to embodiment 1 of the present invention;
fig. 5 is a schematic sectional structure view of a motor bracket for a submersible pump according to embodiment 2 of the present invention;
FIG. 6 is an enlarged view of the invention at B of FIG. 5
FIG. 7 is a schematic structural view of embodiment 3 of the present invention;
FIG. 8 is a schematic structural view of embodiment 4 of the present invention;
fig. 9 is a partial structural schematic diagram of the present invention.
In the figure: the device comprises a machine shell 1, an inner cavity 101, a first end cover 2, a second end cover 3, a rotor 4, an installation shell 5, a notch 501, a guide jack 502, a support rod 6, a rotating shaft 7, a first partition plate 71, a second partition plate 72, a stepped groove 8, a through hole 801, a toothed plate 9, a sliding block 10, a rotating column 11, a movable sleeve 12, a support rod 13, a transmission gear 14, a driving gear 15, a hanging ring 16, a connecting plate 17, a traction rope 18, a rotary ring 19, a rotary groove 20, a bearing seat 21, a push rod 22, a rotary disc 23, a connecting rod 24, a driving shaft 25 and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-4, the integrated submersible pump motor support comprises a casing 1, and a first end cover 2 and a second end cover 3 fixed at two ends of the casing 1 respectively, wherein a rotor 4 is further arranged in the casing 1, the inner end of the rotor 4 is rotatably connected with the inner side of the first end cover 2, the outer end of the rotor 4 extends out of the second end cover 3, and an inner cavity 101 for mounting a stator is further formed in the casing 1.
The outside circumference of casing 1 is fixed with a plurality of installation shell 5, and one side that casing 1 was kept away from to installation shell 5 has breach 501, rotate through a pivot 7 in the breach 501 and install branch 6, the expansion end of branch 6 can rotate and stretch out breach 501, and pivot 7 is driven by actuating mechanism.
As a further improvement of the above solution, the driving mechanism is a waterproof motor fixed on the mounting case 5.
The rotatable branch 6 of stretching out installation shell 5 that proposes in this scheme can prevent effectively that the immersible pump from sinking into submarine when using the immersible pump of the motor support that this scheme proposed for its job stabilization is reliable, avoids damaging the immersible pump.
Example 2:
referring to fig. 5-9, the integrated submersible pump motor support comprises a casing 1, and a first end cover 2 and a second end cover 3 fixed at two ends of the casing 1 respectively, wherein a rotor 4 is further arranged in the casing 1, the inner end of the rotor 4 is rotatably connected with the inner side of the first end cover 2, the outer end of the rotor 4 extends out of the second end cover 3, and an inner cavity 101 for mounting a stator is further formed in the casing 1.
The outside circumference of casing 1 is fixed with a plurality of installation shell 5, and one side that casing 1 was kept away from to installation shell 5 has breach 501, rotate through a pivot 7 in the breach 501 and install branch 6, the expansion end of branch 6 can rotate and stretch out breach 501, and pivot 7 is driven by actuating mechanism.
In this embodiment, different from embodiment 1, the actuating mechanism includes the fixed gear that cup joints in the pivot 7 outside and with the driven pinion rack 9 of gear engagement, set up on the installation shell 5 with pinion rack 9 swing joint's direction jack 502, the outer end of pinion rack 9 stretches out direction jack 502 and is connected with external drive unit.
As a further improvement of the above solution, one side of the housing 1 close to the end cover one 2 is provided with an annular stepped groove 8, the driving unit is arranged in the stepped groove 8, and the driving unit comprises a supporting rod 13 which is arranged in parallel with the rotor 4 and a rotating column 11 which is rotatably sleeved outside the supporting rod 13, the supporting rod 13 is connected with the stepped groove 8 in a sliding way, the outer side of the rotating column 11 is provided with external threads and is spirally sleeved with a movable sleeve 12, the movable sleeve 12 is fixed with the toothed plate 9, the sliding direction of the support rod 13 in the stepped groove 8 is along the radial direction of the rotor 4, the driving unit further comprises a driving gear 15 arranged in the casing 1, the driving gear 15 is fixedly sleeved with the rotor 4, a through hole 801 is formed in the bottom of the stepped groove 8, a transmission gear 14 meshed with the driving gear 15 is rotatably arranged at the through hole 801, and the other side of the transmission gear 14 is in transmission connection with the rotary column 11.
In this scheme, rotating column 11 through the ladder inslot 8 rotates, drives the movable sleeve 12 rather than threaded connection along its axial displacement to drive pinion rack 9 and slide, pinion rack 9 and gear engagement, rotatory with drive pivot 7, finally drive the branch rotation and stretch out. And this scheme adopts rotor 4 as power output source, and indirect drive column spinner 11 rotates, and the kinetic energy of rational utilization rotor avoids the all the other power supplies of extra installation for overall structure is simpler.
Example 3:
referring to fig. 7, as a further improvement of the above scheme, an engaging section is provided at an outer side of the rotary column 11, an outer surface of the engaging section is in a shape of a toothed column, the engaging section is in engagement transmission with the transmission gear 14, a bearing seat 21 is movably sleeved at an outer side of one end of the rotary column 11, and a top rod 22 is connected to a bottom of the bearing seat 21. With the above structure, the operation of the spin column 11 is more stable.
Example 4:
referring to fig. 8, as a further improvement of the above scheme, a through hole 26 is formed at the bottom of the stepped groove 8, one end of the top rod 22 slides through the through hole 26 and is connected to an adjusting mechanism, the adjusting mechanism is used for driving the top rod 22 to move up and down, and the rotary column 11 moves up and down along with the top rod 22, so that the rotary column 11 is engaged with or separated from the transmission gear 14.
Referring to fig. 8 and 9, the adjusting mechanism includes a rotating disc 23 and a connecting rod 24 rotatably disposed in the housing 1, one end of the connecting rod 24 is rotatably connected to an eccentric portion of the rotating disc 23, the other end of the connecting rod 24 is rotatably connected to an end portion of the push rod 22, a driving shaft 25 is coaxially fixed to one side of the rotating disc 23, and a driving motor is mounted to the other end of the driving shaft 25 to drive the driving shaft 25 to rotate.
In this scheme, adjustment mechanism is used for driving ejector pin 2 for going up and down to make the column spinner 11 and the meshing of drive gear 14 or separation, when needs branch stretches out, adjustment mechanism drive column spinner 11 and the meshing of drive gear 14, after working a period, branch rotates a certain position after, adjustment mechanism work, drive gear and 11 separations of column spinner, branch can keep working in this position this moment, leads to its work inefficacy in order to prevent that the immersible pump from sinking the end.
Example 5:
as a further improvement of the above scheme, a first partition plate 71 and a second partition plate 72 are fixed inside the housing 1 corresponding to the stepped groove 8, and the driving gear 15 and the transmission gear 14 are both located between the first partition plate 71 and the second partition plate 72. The first partition plate 71 and the second partition plate 72 are provided, so that the sealing performance in the casing of the device can be better.
In this scheme, annular gyration groove 20 has been seted up to one side inner wall of ladder groove 8, and the gyration groove 20 internal rotation is provided with gyration ring 19, and the outer wall circumference of gyration ring 19 is fixed with a plurality of connecting plates 17, and rings 16 are all installed to the end of every connecting plate 17, and the tie has tractive rope 18 on rings 16. Through the gyration groove 20 that sets up and the gyration ring 19 of locating in the gyration groove 20 of rotation, cooperation rings 16 and stay cord 18 for this device can protect through stay cord 18 when using, avoids connecting the cable conductor of immersible pump and is broken, and work is more stable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Integration immersible pump motor support, include casing (1), fix respectively end cover (2) and end cover two (3) at casing (1) both ends, still be equipped with rotor (4) in casing (1), the inner and the inboard rotation of end cover (2) of rotor (4) are connected, and the outer end of rotor (4) stretches out end cover two (3), inner chamber (101) that still have the installation stator in casing (1), its characterized in that:
the outside circumference of casing (1) is fixed with a plurality of installation shell (5), and one side that casing (1) was kept away from in installation shell (5) has breach (501), rotate through a pivot (7) in breach (501) and install branch (6), the expansion end of branch (6) can rotate and stretch out breach (501), and pivot (7) are driven by actuating mechanism.
2. The integrated submersible pump motor mount of claim 1, wherein: the driving mechanism is a waterproof motor fixed on the mounting shell (5).
3. The integrated submersible pump motor mount of claim 1, wherein: the driving mechanism comprises a gear fixedly sleeved on the outer side of the rotating shaft (7) and a toothed plate (9) in transmission with the gear in a meshing mode, a guide insertion hole (502) movably connected with the toothed plate (9) is formed in the mounting shell (5), and the outer end of the toothed plate (9) extends out of the guide insertion hole (502) and is connected with an external driving unit.
4. The integrated submersible pump motor mount of claim 3, wherein: one side of the casing (1) close to the end cover I (2) is provided with an annular stepped groove (8), the driving unit is arranged in the stepped groove (8), the driving unit comprises a supporting rod (13) arranged in parallel with the rotor (4), a rotary column (11) sleeved outside the supporting rod (13) is rotated, the supporting rod (13) is in sliding connection with the stepped groove (8), the outer side of the rotary column (11) is provided with an external thread and is spirally sleeved with a movable sleeve (12), the movable sleeve (12) is fixed with a toothed plate (9), the sliding direction of the supporting rod (13) in the stepped groove (8) is radial along the rotor (4), the driving unit further comprises a driving gear (15) arranged in the casing (1), the driving gear (15) is fixedly sleeved with the rotor (4), a perforation (801) is formed in the groove bottom of the stepped groove (8), a transmission gear (14) meshed with the driving gear (15) is rotatably arranged at the perforation (801), the other side of the transmission gear (14) is in transmission connection with the rotary column (11).
5. The integrated submersible pump motor mount of claim 4, wherein: the outside of column spinner (11) has the meshing section, and meshing section surface is the tooth column form, and meshing section and drive gear (14) meshing transmission, bearing frame (21) have been cup jointed in the activity of the one end outside of column spinner (11), and the bottom of bearing frame (21) is connected with ejector pin (22).
6. The integrated submersible pump motor mount of claim 5, wherein: through-hole (26) have been seted up to the tank bottom of ladder groove (8), and the one end of ejector pin (22) slides and passes through-hole (26) and connect adjustment mechanism, and adjustment mechanism is used for driving ejector pin (22) and goes up and down, and revolving column (11) follow ejector pin (22) and go up and down to make revolving column (11) and drive gear (14) meshing or separation.
7. The integrated submersible pump motor mount of claim 6, wherein: the adjusting mechanism comprises a rotary disc (23) and a connecting rod (24) which are rotatably arranged in the machine shell (1), one end of the connecting rod (24) is rotatably connected with the eccentric position of the rotary disc (23), the other end of the connecting rod (24) is rotatably connected with the end part of the ejector rod (22), a driving shaft (25) is coaxially fixed on one side of the rotary disc (23), and a driving motor is installed at the other end of the driving shaft (25) to drive the driving shaft (25) to rotate.
8. The integrated submersible pump motor bracket according to any one of claims 4 to 7, characterized in that: casing (1) inside that ladder groove (8) correspond is fixed with first baffle (71) and second baffle (72), driving gear (15), drive gear (14) all are located between first baffle (71) and second baffle (72).
9. The integrated submersible pump motor mount of claim 8, wherein: annular revolving groove (20) have been seted up to one side inner wall of ladder groove (8), and revolving groove (20) internal rotation is provided with revolving ring (19), and the outer wall circumference of revolving ring (19) is fixed with a plurality of connecting plates (17), and rings (16) are all installed to the end of every connecting plate (17), and tie down has tractive rope (18) on rings (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110676632.XA CN113364189B (en) | 2021-06-18 | 2021-06-18 | Integrated submersible pump motor bracket |
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| CN202110676632.XA CN113364189B (en) | 2021-06-18 | 2021-06-18 | Integrated submersible pump motor bracket |
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| CN113364189A true CN113364189A (en) | 2021-09-07 |
| CN113364189B CN113364189B (en) | 2023-06-30 |
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| CN206977193U (en) * | 2017-05-27 | 2018-02-06 | 中山大洋电机股份有限公司 | A kind of commercial vehicle electric motor end cap with mounting bracket |
| US20200370550A1 (en) * | 2017-12-27 | 2020-11-26 | Kyb Corporation | Electric hydraulic actuator |
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| US20190305650A1 (en) * | 2018-03-30 | 2019-10-03 | Nidec Servo Corporation | Motor |
| CN208608835U (en) * | 2018-05-22 | 2019-03-15 | 广州湘龙金属加工有限公司 | A kind of intermetallic composite coating driving motor |
| CN108808950A (en) * | 2018-07-31 | 2018-11-13 | 浙江浙水工贸有限公司 | Protected type permanent magnetism high speed motor for submerged pump |
| CN208734566U (en) * | 2018-08-21 | 2019-04-12 | 合肥凯泉电机电泵有限公司 | New construction explosion-proof type submersible pump |
| CN109742904A (en) * | 2018-11-28 | 2019-05-10 | 天津中蓝泵业有限责任公司 | A kind of submersible pump for being easy to radiate |
| WO2020168862A1 (en) * | 2019-02-18 | 2020-08-27 | 维沃移动通信有限公司 | Terminal device |
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| CN209704837U (en) * | 2019-03-12 | 2019-11-29 | 劳伦斯泵业机械(北京)有限公司 | The support construction of submersible progressive cavity pump |
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| CN113364189B (en) | 2023-06-30 |
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