CN2816425Y - Sumergible electric-pump for well - Google Patents
Sumergible electric-pump for well Download PDFInfo
- Publication number
- CN2816425Y CN2816425Y CN 200520092291 CN200520092291U CN2816425Y CN 2816425 Y CN2816425 Y CN 2816425Y CN 200520092291 CN200520092291 CN 200520092291 CN 200520092291 U CN200520092291 U CN 200520092291U CN 2816425 Y CN2816425 Y CN 2816425Y
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- pump
- motor
- well
- end cap
- submersible
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Abstract
The utility model relates to a submersible electric pump for wells, which is composed of a submersible pump for wells and a submersible motor for wells, wherein a connecting rack of the power input end of the submersible pump for wells is fixedly connected with an upper end cover of the power output end of the submersible motor for wells and a pump shaft of the submersible pump for wells and a rotor shaft of the submersible motor for wells are connected through a shaft coupling. The pump shaft in a pump sleeve of the submersible pump for wells is provided with an overflow part which is combined and stacked by a plurality of pump pieces. A stator of the submerged motor for wells is in clearance fit with a motor cylinder and is arranged in the motor cylinder. The stator and a rotor can be conveniently regulated and positioned through a regulating device. The utility model has easy assembly and maintenance. The leading wire part of the motor uses a plug and socket structure for increasing the sealing reliability of the whole motor. A sand resisting ring has simple structure and reliable performance and can effectively protect sealing pieces. The service life of the whole motor is extended, and the motor is free of maintenance.
Description
One, technical field: the utility model relates to a kind of pump, and what relate to particularly that a kind of well uses is arranged on submersible pump in the water.
Two, background technique: Submerged Motor Pumps impeller in the market be fixed with axle, and impeller port ring and blower inlet casing have radial clearance, and the impact injury to structural member when the shortcoming of this structure is pump startup is big, and works as in the water silt for a long time, and impeller very easily weares and teares.The submersible motor of producing roughly is divided into these three kinds of forms of dry type, oil-filled type and wet type at present.The shortcoming of dry type, oil-filled type motor is that seal complex and reliability are not high, especially the easier water inlet of the sealing part of motor lead and cause burn-down of electric motor; The shortcoming of wet type electric motor is that stator and rotor directly contact with water, very easily corrosion, and working life is not long.Traditional submersible motor complex structure, the assembly technology difficulty is big, and the complete machine performance is difficult for guaranteeing.Therefore, it is simple to produce a kind of process structure, and the submersible pump of good reliability, the middle work of can diving into the deep water is the problem that a needs solves.
Three, summary of the invention:
1, goal of the invention: the utility model provides a kind of well Submerged Motor Pumps, its objective is that the traditional electric pump flow passage components of solution are easy to wear, and the sand control ability is low, and the motor seal reliability is not high, the problem that aspects such as assembly technology complexity exist.
2, technological scheme: the utility model is achieved through the following technical solutions:
A kind of well Submerged Motor Pumps, it is characterized in that: this electric pump mainly is made of with submersible motor with submersible pump and well well, and well is fastenedly connected by stud and nut with the connection frame of the power intake of submersible pump and the well upper end cap with the clutch end of submersible motor; Well passes upper end cap with the rotor shaft upper end of submersible motor and is connected by coupling with the pump shaft of well with submersible pump; The connecting part of rotor shaft and upper end cap is provided with the sand control part; Upper end cap is provided with the socket that is connected with staor winding by lead, and the plug that is connected with power supply cooperates with socket; And with submersible pump mainly by pin, connection frame, pump block, pump combination, go out water hull, pump shaft, sliding bearing and form; Pump shaft in the pump block is provided with the flow passage components that formed by some pump combination stacked; Well mainly is made up of upper end cap, mechanical seal, upper bearing (metal), stator, rotor, lower end cap, angular contact bearing, motor tube, pressure regulation capsule, gland with submersible motor; Stator and motor tube adopt Spielpassung to be contained in the motor tube, be provided with upper supporting ring between stator and the upper end cap, be provided with lower support ring between stator and the lower end cap, supporting slice, the position corresponding with supporting slice is provided with the precession screw of adjusting position of stator on the lower end cap, promote supporting slice by adjusting the precession screw, lower support ring, stator, upper supporting ring closely contacts with upper end cap, realize the location of stator, be provided with rotor in the stator, the lower end of rotor shaft is arranged in the angular contact bearing of lower end cap, the position corresponding with rotor shaft is provided with the adjustment screw of adjusting rotor-position on the lower end cap, adjusts the screw lower end and is provided with locking nut.
Well is provided with and axis normal and the tapped hole by axis the appropriate location diametrically with the pin of submersible pump, well is provided with some holes of circumference uniform distribution with the pump block two ends of submersible pump, the connection frame is provided with the annulus that can hold pin with the cylindrical that goes out water hull, pin passes the pump block circular hole and stretches in the annulus that joins frame, and guarantee pin at the outer end of pump block exposed length greater than 0.5 millimeter, one end of pump block is fastenedly connected by circumferencial direction uniform some pins and screw with the connection frame, the other end of pump block with go out water hull and be fastenedly connected the back by uniform some pins of circumferencial direction and screw and clamp some pumps combinations in the pump block.
The pump combination is made up of impeller set, stator, impeller, impeller is provided with in the impeller set, impeller is provided with stator, water inlet is arranged at the impeller set bottom, lower end surface and impeller set mold insert that impeller port ring has 1-3 bar annular groove form the plane axial seal of little gap, impeller and pump shaft Spielpassung, fixing on axially.
Well is provided with locator protrusions with the motor tube inwall of submersible motor, locator protrusions is that 1～5 concave channels of motor tube upper edge axial distribution forms, the periphery wall of stator and lower end cap is provided with and the corresponding locating slot of locator protrusions, and assembling back locator protrusions is packed in the locating slot.
The upper end cap cylindrical is provided with some radial holes of circle distribution, motor tube upper end is provided with some radial holes of circle distribution equally, it is that the pin of screw thread is inserted in the hole of motor tube and upper end cap and cooperated with it that one end has flange, endoporus, connects and the clamping motor tube with upper end cap is fastening with screw.
Socket mainly is made up of seal ring, bearing, contact pin, fixedlys connected with motor upper cover by screw in the motor tube.
Plug mainly is made up of elastic cable paper, the shell that has bearing mark, fixing glue fat, pressing plate, jack, sealed insulation body, and the contact pin of socket inserts in the jack of plug, and the pressing plate of plug is connected with the motor upper cover outer fixing by screw.
Sand control part is made up of sand control seat, shaft shoulder pad, the rubber sand-throwing ring that has a lip structure, and they are arranged on the outer rotor shaft of upper end cap, cooperate the realization sand control with the inclined-plane of coupling, get rid of sand.
3, advantage and effect: by the enforcement of technical solutions of the utility model, it is easy to wear to solve traditional electric pump flow passage components well, and the sand control ability is low, and the motor seal reliability is not high, the problem that aspects such as assembly technology complexity exist.The utility model advantage is as follows:
1, the stacked structure of pump combination is convenient to tissue production, is easy to assembling, maintenance after helping again.
2, good seal, anti-silt particle is effective, and the life-span is long not fragile, and impeller port ring adopts the axial seal form, rather than traditional radial seal, and the size of this gap can be adjusted control in assembly process, and this helps the assurance of pump performance; Impeller and pump shaft adopt Spielpassung in the pump combination, and it is not fixing in the axial direction, be that impeller can float on axle, this structure makes pump when starting, and has alleviated the impact injury to structure member greatly, and work as pump in operation process, when silt through port czermak space is arranged,, can guarantee that silt passes through smoothly because impeller has float function, and reduce abrasion, prolonged the working life of pump greatly impeller, impeller set.
3, the endoporus of the external diameter of each part such as stator, lower end cap and motor tube adopts Spielpassung, and this had both helped the adjustment of location dimension, had simplified assembly technology again, had reduced part processing precision.
4, motor upper cover and motor tube are by several pins and the fastening connection of screw of circumference uniform distribution, and this structural orientation is accurate, simple and reliable, is convenient to installation and maintenance.
5, the characteristics of plug, socket be that sealing is reliable, compact structure, easy installation and removal.
Four, description of drawings: accompanying drawing 1 is the main surface structure schematic representation of the utility model;
Accompanying drawing 2 is the structural representation of the utility model well with submersible pump;
Accompanying drawing 3 is the schematic representation of the utility model pump combination stacked structure;
Accompanying drawing 4 is the structural representation of the utility model pump combination;
Accompanying drawing 5 goes out the structural representation that water hull is connected with pump block for the utility model;
Accompanying drawing 6 is that the A-A of Fig. 5 is to schematic representation;
Accompanying drawing 7 is the structural representation of the utility model well with submersible motor;
Accompanying drawing 8 is the structural representation that the utility model upper end cap is connected with the motor tube;
Accompanying drawing 9 for for the B-B of Fig. 7 to schematic representation;
Accompanying drawing 10 is that the K of Fig. 7 is to schematic representation;
Accompanying drawing 11 is the structural representation of locator protrusions in the utility model motor tube;
Accompanying drawing 13 is that the M of Figure 11 is to schematic representation;
Accompanying drawing 14 is the structural representation of the utility model plug;
Accompanying drawing 16 is the structural representation of the utility model socket;
Accompanying drawing 18 is the schematic representation of parts positions on upper end cap such as the utility model plug.
Five, embodiment:
As shown in Figure 1, the utility model well Submerged Motor Pumps, this electric pump mainly is made of with submersible motor 1 with submersible pump 51 and well well, well is fastenedly connected by stud 3 and nut 2 with the upper end cap 22 of well with the clutch end of submersible motor 1 with the connection frame 7 of the power intake of submersible pump 51, as shown in Figure 2, well is connected by spline coupling 4 with the rotor shaft of well with submersible motor 1 with the pump shaft 41 of submersible pump 51, and it gives pump with transmission of power, realizes the conversion of energy; Well with submersible pump 51 mainly by pin 6, connection frame 7, pump block 8, pump combination 9, go out water hull 10, pump shaft 41, sliding bearing 40 and form; As shown in Figure 3, pump shafts 41 in the pump block 8 are provided with several pumps combinations 9 and pile up and form flow passage components, the quantity of pump combination 9 can be according to the performance need setting, as shown in Figure 4, pump combination 9 is by impeller set 12, stator 13, impeller 14 is formed, impeller is provided with in the impeller set 12, impeller 14 tops are provided with stator 13, water inlet is arranged at impeller set 12 bottoms, the lower end surface of impeller port ring and impeller set mold insert 16 form the plane axial seal of little gap, impeller and pump shaft Spielpassung, unfixing axially, be that impeller 14 can float on axle, this structure makes pump when starting, alleviated impact injury greatly to structure member, and work as pump in operation process, when silt through port czermak space is arranged, because impeller has float function, can guarantee that silt passes through smoothly, and reduce impeller, the abrasion of impeller set, prolonged the working life of pump greatly, as accompanying drawing 5, shown in the accompanying drawing 6, well with an end of the pump block 8 of submersible pump 51 with go out water hull 10 and be fastenedly connected by circumferencial direction uniform some pins 6 and screw 11, the other end of pump block 8 and connection frame are fastenedly connected the back by uniform some pins of circumferencial direction and screw and clamp several pumps that pile up combinations 9 in the pump block 8, to realize the pump performance requirement; As shown in Figure 7, well mainly is made up of upper end cap 22, mechanical seal, upper bearing (metal), stator 29, rotor 30, lower end cap 33, angular contact bearing 34, motor tube 31, pressure regulation capsule 38, gland 39 with submersible motor 1; Stator 29 is located in the motor tube 31 with motor tube 31 Spielpassung, be provided with upper supporting ring 28 between stator 29 and the upper end cap 22, be provided with lower support ring 32, supporting slice 19 between stator 29 and the lower end cap, the position corresponding with supporting slice 19 is provided with the precession screw 17 of adjusting position of stator on the lower end cap 33, promote supporting slice 19, lower support ring 32, stator 29, upper supporting ring 28 till being adjacent to by adjusting precession screw 17, realize the location of stator with upper end cap 22; Be provided with rotor 30 in the stator 29, the lower end of rotor shaft is arranged in the angular contact bearing 34 of lower end cap 33, the position corresponding with rotor shaft is provided with the adjustment screw 36 of adjusting rotor-position on the lower end cap 33, adjust screw 36 lower ends and be provided with locking nut 37, rotor-position can be adjusted by the position of adjusting screw 36 in assembly process, when rotor arrived correct position, locking nut 37 was with fixing.Its another characteristics are stators 29, lower end cap 33 waits the external diameter of each part and the endoporus of motor tube 31 to adopt Spielpassung, this had both helped the adjustment of location dimension, simplified assembly technology again, reduced part processing precision, as shown in Figure 11, well is provided with locator protrusions with motor tube 31 inwalls of submersible motor 1, as accompanying drawing 12, shown in the accompanying drawing 13, locator protrusions in the motor tube is that 1～5 concave channels of motor tube upper edge axial distribution forms, the periphery wall of stator 29 and lower end cap 33 is provided with and the corresponding locating slot of locator protrusions, and assembling back locator protrusions is packed in the locating slot; Shown in accompanying drawing 8, accompanying drawing 9, accompanying drawing 10, upper end cap 22 is arranged on that several pins 20 and the screw 21 by circumference uniform distribution connects fastening in the upper end of motor tube 31; As shown in Figure 7, the upper end of rotor shaft is passed upper end cap 22 and is connected with the pump shaft 41 of well with submersible pump 51, the connecting part of rotor shaft and upper end cap 22 is provided with the sand control part, sand control part is made up of sand control seat 23, shaft shoulder pad 23, the rubber sand-throwing ring 25 that has a lip structure, they are arranged on the outer rotor shaft of upper end cap, cooperate the formation sand control with the inclined-plane of coupling 4, get rid of the sand sealing; Upper end cap 22 is provided with the socket 27 that is connected with the winding of stationary part 30 by lead, what cooperate with socket 27 is the plug 26 that is connected with power supply, shown in accompanying drawing 14, accompanying drawing 15, plug 26 mainly is made up of elastic cable paper 42, shell 43, fixing glue fat 44, pressing plate 45, jack 46, sealed insulation body 47,, the pressing plate 45 of plug 26 is connected with the motor upper cover outer fixing by screw; Shown in accompanying drawing 16, accompanying drawing 17, socket 27 mainly is made up of seal ring 48, bearing 49, contact pin 50, the contact pin of socket 27 inserts in the jack of plug 26, in the motor tube, fixedly connected with motor upper cover by screw, its sealing reliably, compact structure, easy installation and removal; As shown in Figure 18, demonstrated the distribution situation of each part such as plug on upper end cap, wherein shell markers 52 is convenient to assembling.
The utility model working procedure is as follows: the utility model is arranged in well or the mine, connect power supply, well with submersible motor work after rotor shaft drive well and rotate with the diving pump shaft, carry out the conversion of electric energy to mechanical energy, pump shaft rotates the back and drives the interior wheel rotation of pump combination of piling up in the pump block, because impeller is discharged water the action of centrifugal force of water from water outlet.
Claims (8)
1, a kind of well Submerged Motor Pumps, it is characterized in that: this electric pump mainly is made of with submersible motor (1) with submersible pump (51) and well well, and well is fastenedly connected by stud and nut with the upper end cap (22) of well with the clutch end of submersible motor (1) with the connection frame (7) of the power intake of submersible pump (51); Well passes upper end cap (22) with the rotor shaft upper end of submersible motor (1) and is connected by coupling (4) with the pump shaft (41) of well with submersible pump (51); The connecting part of rotor shaft and upper end cap (22) is provided with the sand control part; Upper end cap (22) is provided with the socket (27) that is connected with staor winding by lead, and the plug that is connected with power supply (26) cooperates with socket (27); Well with submersible pump (51) mainly by pin (5), connection frame (7), pump block (8), pump combination (9), go out water hull (10), pump shaft (41), sliding bearing (40) and form; Pump shaft (41) in the pump block (8) is provided with by some pump combinations (9) and piles up the flow passage components that form; Well mainly is made up of upper end cap (22), mechanical seal, upper bearing (metal), stator (29), rotor (30), lower end cap (33), angular contact bearing (34), motor tube (31), pressure regulation capsule (38), gland (39) with submersible motor (1); Stator (29) adopts Spielpassung to be contained in the motor tube (31) with motor tube (31), be provided with upper supporting ring (28) between stator (29) and the upper end cap (22), be provided with lower support ring (32) between stator (29) and the lower end cap (33), supporting slice (19), lower end cap (33) is gone up the position corresponding with supporting slice (19) and is provided with the precession screw (36) of adjusting position of stator, promote supporting slice (19) by adjusting the precession screw, lower support ring (32), stator (29), upper supporting ring (28) closely contacts with upper end cap (22), realize the location of stator (29), be provided with rotor (30) in the stator (29), the lower end of rotor shaft is arranged in the angular contact bearing (34) of lower end cap (33), lower end cap (33) is gone up the position corresponding with rotor shaft and is provided with the adjustment screw (36) of adjusting rotor-position, adjusts screw (36) lower end and is provided with locking nut (37).
2, according to the well Submerged Motor Pumps described in the claim 1, it is characterized in that: well is provided with and axis normal and the tapped hole by axis the appropriate location diametrically with the pin (6) of submersible pump (51), well is provided with some holes of circumference uniform distribution with pump block (8) two ends of submersible pump (51), connection frame (7) and the cylindrical that goes out water hull (10) are provided with the annulus that can hold pin (6), pin (6) passes pump block (8) circular hole and stretches in the annulus that joins frame, and guarantee pin (6) at the outer end of pump block exposed length greater than 0.5 millimeter, one end of pump block (8) is fastenedly connected by circumferencial direction uniform some pins (6) and screw (5) with connection frame (7), the other end of pump block (8) with go out water hull (10) and be fastenedly connected the back by uniform some pins of circumferencial direction and screw and clamp the interior some pumps of pump block (8) and make up (9).
3, according to the well Submerged Motor Pumps described in the claim 1, it is characterized in that: pump combination (9) is made up of impeller set (12), stator (13), impeller (14), impeller is provided with in the impeller set (12), impeller is provided with stator, water inlet is arranged at impeller set (12) bottom, impeller port ring has the lower end surface of 1-3 bar annular groove and impeller set mold insert (16) forms the plane axial seal of little gap, and impeller and pump shaft Spielpassung are not fixed on axially.
4, according to the well Submerged Motor Pumps described in the claim 1, it is characterized in that: well is provided with locator protrusions with motor tube (31) inwall of submersible motor (1), locator protrusions is that 1～5 concave channels of motor tube upper edge axial distribution forms, the periphery wall of stator (29) and lower end cap (33) is provided with and the corresponding locating slot of locator protrusions, and assembling back locator protrusions is packed in the locating slot.
5, according to the well Submerged Motor Pumps described in the claim 1, it is characterized in that: upper end cap (22) cylindrical is provided with some radial holes of circle distribution, motor tube (31) upper end is provided with some radial holes of circle distribution equally, it is that the pin (20) of screw thread is inserted in the hole of motor tube and upper end cap and cooperated with it that one end has flange, endoporus, connects and the clamping motor tube with upper end cap is fastening with screw (21).
6, according to the well Submerged Motor Pumps described in the claim 1, it is characterized in that: socket (27) mainly is made up of seal ring (48), bearing (49), contact pin (50), fixedlys connected with motor upper cover by screw in the motor tube.
7, according to the well Submerged Motor Pumps described in the claim 1, it is characterized in that: plug (26) mainly is made up of elastic cable paper (42), the shell (43) that has bearing mark, fixing glue fat (44), pressing plate (45), jack (46), sealed insulation body (47), the contact pin of socket (27) inserts in the jack of plug (26), and the pressing plate (45) of plug (26) is connected with the motor upper cover outer fixing by screw.
8, according to the well Submerged Motor Pumps described in the claim 1, it is characterized in that: sand control part is made up of sand control seat (23), shaft shoulder pad (23), the rubber sand-throwing ring (25) that has a lip structure, they are arranged on the outer rotor shaft of upper end cap, cooperate the realization sand control with the inclined-plane of coupling (4), get rid of sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092291 CN2816425Y (en) | 2005-08-29 | 2005-08-29 | Sumergible electric-pump for well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092291 CN2816425Y (en) | 2005-08-29 | 2005-08-29 | Sumergible electric-pump for well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2816425Y true CN2816425Y (en) | 2006-09-13 |
Family
ID=36996234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520092291 Expired - Fee Related CN2816425Y (en) | 2005-08-29 | 2005-08-29 | Sumergible electric-pump for well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2816425Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106998114A (en) * | 2017-03-31 | 2017-08-01 | 李新忠 | YQS125 dives electric pump motor |
| CN107859637A (en) * | 2017-10-24 | 2018-03-30 | 江门市力士达泵业制造有限公司 | A kind of well immersible pump |
-
2005
- 2005-08-29 CN CN 200520092291 patent/CN2816425Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106998114A (en) * | 2017-03-31 | 2017-08-01 | 李新忠 | YQS125 dives electric pump motor |
| CN107859637A (en) * | 2017-10-24 | 2018-03-30 | 江门市力士达泵业制造有限公司 | A kind of well immersible pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060913 Termination date: 20130829 |