CN202991527U - Inner-cooling downdraft two-level submersible electric pump - Google Patents
Inner-cooling downdraft two-level submersible electric pump Download PDFInfo
- Publication number
- CN202991527U CN202991527U CN 201220610177 CN201220610177U CN202991527U CN 202991527 U CN202991527 U CN 202991527U CN 201220610177 CN201220610177 CN 201220610177 CN 201220610177 U CN201220610177 U CN 201220610177U CN 202991527 U CN202991527 U CN 202991527U
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- CN
- China
- Prior art keywords
- fixed
- inlet casing
- blower inlet
- thrust bearing
- water
- 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
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Abstract
An inner-cooling downdraft two-level submersible electric pump comprises a water-filling-type motor, wherein an outer shell is arranged on the periphery of the water-filling-type motor, a water outlet connector is fixed at the upper end of the outer shell, a thrust bearing chamber is fixed at the lower end of the outer shell, a first-stage flow guide shell, a bearing body, a second-stage flow guide shell and a base seat are fixedly connected at the lower end of the thrust bearing chamber in sequence, the lower end of a main shaft of the water-filling-type motor is respectively installed in the center of the first-stage flow guide shell and the center of the bearing body, and a first-stage impeller and a second-stage impeller are both fixed on the main shaft and are respectively located in the positions of water-absorption ports of the first-stage flow guide shell and the second-stage flow guide shell. According to the inner-cooling downdraft two-level submersible electric pump, the two stages of impellers are connected in series, multi-stage accumulation of a lift under the same flow is achieved, and furthermore various lift ranges of products under the same flow is achieved.
Description
Technical field
The utility model belongs to the Submerged Motor Pumps technical field, is specifically related to a kind of interior cold lower suction type two-stage Submerged Motor Pumps.
Background technique
In existing, cold lower suction type Submerged Motor Pumps is single-stage (namely only having 1 impeller) structure, under rated flow, lift is certain, when needs increase lift under rated flow, need redesign hydraulic model part (being impeller, blower inlet casing), manufacture cycle is long, cost is high, and component universality is poor; Secondly the motor lower end is fixed on the thrust bearing chamber, and the upper end is fixing, in the Product Level handling process, is prone to owing to point of attachment being installed rupturing in motor and thrust bearing chamber; Also have the motor outgoing cable not protected, during the Product Level carrying, product rolling easily causes outgoing cable to break from the outlet port; In addition, in using process, in current and water, foreign matter to the washing away of outgoing cable outlet port, also easily causes cable bad, if cable from drawing-off mouth place's fracture, can't continued access, again draw after needing complete machine to take apart and connect, be not easy to the product working service.
Summary of the invention
The technical problem that the utility model solves: a kind of interior cold lower suction type two-stage Submerged Motor Pumps is provided, the one, adopt the both stage impellers series connection, can realize under same flow, the multistage of lift added up; The 2nd, set up fixing device in the motor upper end, can guarantee the structural safety of motor in the Product transport process; The 3rd, set up the outgoing cable sealing protective device, prevent the generation of outgoing cable disrepair phenomenon in carrying and installing and using process.
The technical solution adopted in the utility model: a kind of interior cold lower suction type two-stage Submerged Motor Pumps, comprise wet motor, the periphery of wet motor is provided with shell, form the annular pass both, the upper end of shell is fixed with water output connector, the lower end is fixed with the thrust bearing chamber, and the thrust bearing group is arranged on the central authorities of thrust bearing chamber.The lower end of described thrust bearing chamber is fixed with first order blower inlet casing, first order blower inlet casing lower end is fixed with bearing support, the lower end of bearing support is fixed with second level blower inlet casing, and the lower end of second level blower inlet casing is fixed with base, and the ring runner on blower inlet casing docks successively with ring runner on bearing support; Dock the water sucking mouth of the ring runner on the water outlet that the lower end of described base is provided with water intake and its upper end and second level blower inlet casing, and the ring runner on first order blower inlet casing docks with the annular pass; The lower end of wet motor main shaft is arranged on respectively the central authorities of first order blower inlet casing and bearing support by thrust bearing group and axle sleeve, first order impeller and second level impeller all are fixed on main shaft and both locates by axle sleeve, and first order impeller is positioned at the water sucking mouth of the ring runner lower end on first order blower inlet casing, second level impeller is positioned at the water sucking mouth of the ring runner lower end on the blower inlet casing of the second level, be fixed with blade in described ring runner, and blade is positioned at the top of impeller.
Described thrust bearing is fixed with the outgoing cable lower sealing device on the chamber, is fixed with the outgoing cable upper sealing device on water output connector, and is connected with cable protection pipe between upper sealing device and lower sealing device.
The inwall upper end of described shell is fixed with uniform anchor plate, and the inner of anchor plate withstands on the outer wall of wet motor.
The utility model advantage compared with prior art:
1, the utility model is connected both stage impellers, has realized the different range of lift of same flow volume production product.
2, the utility model has been set up motor fixing device, has guaranteed product fixing safety and reliability of motor in the carrying and installation process.
3, the utility model has been set up the outgoing cable seal protecting device, can prevent the generation of product cable failure phenomenon in carrying, installation and using process.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing 1, a kind of embodiment of the present utility model is described.
a kind of interior cold lower suction type two-stage Submerged Motor Pumps, comprise wet motor 1, the periphery of wet motor 1 is provided with shell 2, form annular pass 3 both, the upper end of shell 2 is fixed with water output connector 4, the lower end is fixed with thrust bearing chamber 11, and thrust bearing group 8 is arranged on the central authorities of thrust bearing chamber 11, the lower end of described thrust bearing chamber 11 is fixed with first order blower inlet casing 5, first order blower inlet casing 5 lower ends are fixed with bearing support 12, the lower end of bearing support 12 is fixed with second level blower inlet casing 5, the lower end of second level blower inlet casing 5 is fixed with base 6, dock the water sucking mouth of the ring runner 7 on the water outlet that the lower end of described base 6 is provided with water intake and its upper end and second level blower inlet casing 5, dock the lower end of the ring runner 14 on the upper end of the ring runner 7 on second level blower inlet casing 5 and bearing support 12, dock the lower end of the ring runner 7 on the upper end of the ring runner 14 on bearing support 12 and first order blower inlet casing 5, dock with the lower end of annular pass 3 upper end of the ring runner 7 on first order blower inlet casing 5, the lower end of wet motor 1 main shaft 9 is arranged on respectively the central authorities of first order blower inlet casing 5 and bearing support 12 by thrust bearing group 8 and axle sleeve 13, first order impeller 10 and second level impeller 10 all are fixed on main shaft 9 and locate by axle sleeve 19 both, and first order impeller 10 is positioned at the water sucking mouth of ring runner 7 lower ends on first order blower inlet casing 5, second level impeller 10 is positioned at the water sucking mouth of ring runner 7 lower ends on second level blower inlet casing 5, be fixed with blade 15 in described ring runner 7, and blade 15 is positioned at the top of impeller 10.
Be fixed with outgoing cable lower sealing device 16 on described thrust bearing chamber 11; be fixed with outgoing cable upper sealing device 17 on water output connector 4; and be connected with cable protection pipe 20 between upper sealing device 17 and lower sealing device 16; outgoing cable passes lower sealing device 16, cable protection pipe 20 and upper sealing device 17 successively, prevents the generation of product cable failure phenomenon in carrying, installation and using process.The inwall upper end of described shell 2 is fixed with four uniform anchor plates 18, and the inner of anchor plate 18 withstands on the outer wall of wet motor 1, has guaranteed product fixing safety and reliability of motor in the carrying and installation process.
During work, the main shaft 9 of motor 1 drives both stage impellers 10 and rotates simultaneously, current are entered from base 6 water sucking mouths, after entering the cooling wet motor 1 in annular pass 3 by the ring runner 7 on second level blower inlet casing 5, ring runner 14 on bearing support 12 and the ring runner 7 on first order blower inlet casing 5 successively, discharge from the outlet port of water output connector 4.
Above-described embodiment is preferred embodiment of the present utility model, is not to limit the utility model practical range, thus all equivalent variations of being done with the described content of the utility model claim, within all should being included in the utility model claim scope.
Claims (3)
1. cold lower suction type two-stage Submerged Motor Pumps in a kind, comprise wet motor (1), the periphery of wet motor (1) is provided with shell (2), form annular pass (3) both, the upper end of shell (2) is fixed with water output connector (4), the lower end is fixed with thrust bearing chamber (11), thrust bearing group (8) is arranged on the central authorities of thrust bearing chamber (11), it is characterized in that: the lower end of described thrust bearing chamber (11) is fixed with first order blower inlet casing (5), first order blower inlet casing (5) lower end is fixed with bearing support (12), the lower end of bearing support (12) is fixed with second level blower inlet casing (5), the lower end of second level blower inlet casing (5) is fixed with base (6), and the ring runner (7) on blower inlet casing (5) docks successively with ring runner (14) on bearing support (12), dock the water sucking mouth of the ring runner (7) on the water outlet that the lower end of described base (6) is provided with water intake and its upper end and second level blower inlet casing (5), and the ring runner (7) on first order blower inlet casing (5) docks with annular pass (3), the lower end of wet motor (1) main shaft (9) is arranged on respectively the central authorities of first order blower inlet casing (5) and bearing support (12) by thrust bearing group (8) and axle sleeve (13), first order impeller (10) and second level impeller (10) all are fixed on main shaft (9) and upward and both locate by axle sleeve (19), and first order impeller (10) is positioned at the water sucking mouth of ring runner (7) lower end on first order blower inlet casing (5), second level impeller (10) is positioned at the water sucking mouth of ring runner (7) lower end on second level blower inlet casing (5), be fixed with blade (15) in described ring runner (7), and blade (15) is positioned at the top of impeller (10).
2. interior cold lower suction type two-stage Submerged Motor Pumps according to claim 1; it is characterized in that: be fixed with outgoing cable lower sealing device (16) on described thrust bearing chamber (11); be fixed with outgoing cable upper sealing device (17) on water output connector (4), and be connected with cable protection pipe (20) between upper sealing device (17) and lower sealing device (16).
3. interior cold lower suction type two-stage Submerged Motor Pumps according to claim 1 and 2 is characterized in that: the inwall upper end of described shell (2) is fixed with uniform anchor plate (18), and the inner of anchor plate (18) withstands on the outer wall of wet motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610177 CN202991527U (en) | 2012-11-16 | 2012-11-16 | Inner-cooling downdraft two-level submersible electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610177 CN202991527U (en) | 2012-11-16 | 2012-11-16 | Inner-cooling downdraft two-level submersible electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991527U true CN202991527U (en) | 2013-06-12 |
Family
ID=48562713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220610177 Expired - Lifetime CN202991527U (en) | 2012-11-16 | 2012-11-16 | Inner-cooling downdraft two-level submersible electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991527U (en) |
-
2012
- 2012-11-16 CN CN 201220610177 patent/CN202991527U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Inner-cooling downdraft two-level submersible electric pump Effective date of registration: 20151228 Granted publication date: 20130612 Pledgee: Fufeng County Rural Credit Cooperative Association Pledgor: SHAANXI FULONG PUMP CO.,LTD. Registration number: 2015610000020 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201229 Granted publication date: 20130612 Pledgee: Fufeng County Rural Credit Cooperative Association Pledgor: SHAANXI FULONG PUMP Co.,Ltd. Registration number: 2015610000020 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Internal cooling downdraft two stage submersible pump Effective date of registration: 20201230 Granted publication date: 20130612 Pledgee: Fufeng County Rural Credit Cooperative Association Pledgor: SHAANXI FULONG PUMP Co.,Ltd. Registration number: Y2020980010329 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211129 Granted publication date: 20130612 Pledgee: Fufeng County Rural Credit Cooperative Association Pledgor: SHAANXI FULONG PUMP CO.,LTD. Registration number: Y2020980010329 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |