CN110454410B - Bending-proof pressure-loss-proof deep well pump - Google Patents
Bending-proof pressure-loss-proof deep well pump Download PDFInfo
- Publication number
- CN110454410B CN110454410B CN201910762312.9A CN201910762312A CN110454410B CN 110454410 B CN110454410 B CN 110454410B CN 201910762312 A CN201910762312 A CN 201910762312A CN 110454410 B CN110454410 B CN 110454410B
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- pump
- assembly
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 238000005452 bending Methods 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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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
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses an anti-bending anti-pressure-loss deep well pump, which comprises a pump body assembly, a motor assembly and a water outlet flange assembly, wherein the pump body assembly comprises a plurality of pump body units which are overlapped along the axial direction, the pump body unit comprises a pump shell and an impeller arranged in the pump shell, the motor assembly comprises a motor base and a motor, the motor base is fixed at the lower end of the pump body assembly, the water outlet flange assembly is arranged at the upper end of the pump body assembly, a cylinder body is sleeved on the water outlet flange assembly, the pump body assembly and the motor base, an upper sealing ring is arranged between the inner wall of the cylinder body and the outer wall of the water outlet flange assembly, a lower sealing ring is arranged between the inner wall of the cylinder body and the outer wall of the motor base, and a vacuum space is jointly formed among the upper sealing ring, the lower sealing ring, the inner wall of the cylinder body, the outer wall of the pump body assembly, the outer wall of the motor base and the outer wall of the water outlet flange assembly; the lower part of the cylinder is fixedly connected with the motor base, the inner wall of the upper part of the cylinder is provided with an internal thread, and a first nut ring and a second nut ring are screwed in the internal thread. The bending-proof and pressure-losing-proof deep-well pump can prevent the deep-well pump from bending and ensure the supercharging performance of the deep-well pump.
Description
Technical Field
The invention belongs to the technical field of water taking and draining machinery, and particularly relates to an anti-bending anti-pressure-loss deep well pump.
Background
The deep well pump is a pump immersed in an underground water well to pump and convey water, and is widely applied to farmland drainage and irrigation, industrial and mining enterprises, rural drinking water, pumping water with deeper underground water level and the like.
The deep-well pump comprises a pump body assembly, a motor assembly and a flow guide assembly, wherein the pump body assembly comprises a plurality of pump body units which are overlapped along the axial direction of the deep-well pump, each pump body unit comprises a pump shell and impellers arranged in the pump shell, two adjacent pump shells are connected in a sleeved or inserted mode, water pressure in the pump shells is guaranteed through hard sealing between the two adjacent pump shells, pressure relief in the pump shells is avoided, the motor assembly comprises a motor and a motor base, the motor base is arranged at one end of the pump body assembly, the motor is fixed on the motor base, a rotating shaft of the motor is connected with a long shaft through a coupling, and the long shaft sequentially penetrates through the impellers so as to drive the impellers to synchronously rotate, the flow guide assembly comprises a water outlet pipe, and the water outlet pipe is arranged at the other end of the pump body assembly. Such a deep-well pump commonly existing in the market is generally several meters and tens of meters in length from the aspect of external dimensions, and is easy to bend in the middle of the pump body assembly during transportation or use, so that a hard seal between two adjacent pump shells is invalid, and the pressurizing performance of the deep-well pump is greatly reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing the bending-resistant and pressure-losing-resistant deep-well pump, which can prevent the deep-well pump from bending and ensure the supercharging performance of the deep-well pump.
In order to solve the technical problems, the technical solution of the bending-proof and pressure-loss-proof deep well pump is as follows:
The invention discloses an anti-bending anti-pressure-loss deep well pump, which comprises a pump body assembly, a motor assembly and a water outlet flange assembly, wherein the pump body assembly comprises a plurality of pump body units which are overlapped along the axial direction, the pump body unit comprises a pump shell and an impeller arranged in the pump shell, the motor assembly comprises a motor base and a motor, the motor base is fixed at the lower end of the pump body assembly, the water outlet flange assembly is arranged at the upper end of the pump body assembly, a cylinder body is sleeved on the water outlet flange assembly, the pump body assembly and the motor base, an upper sealing ring is arranged between the inner wall of the cylinder body and the outer wall of the water outlet flange assembly, a lower sealing ring is arranged between the inner wall of the cylinder body and the outer wall of the motor base, and a vacuum space is jointly formed among the upper sealing ring, the lower sealing ring, the inner wall of the cylinder body, the outer wall of the pump body assembly, the outer wall of the motor base and the outer wall of the water outlet flange assembly; the lower part of the cylinder is fixedly connected with the motor base, the inner wall of the upper part of the cylinder is provided with an internal thread, and a first nut ring and a second nut ring are screwed in the internal thread.
The water outlet flange assembly comprises a water outlet pipe and a fixed ring, wherein the water outlet pipe is inserted into the fixed ring in a sealing way, the upper sealing ring is arranged on the peripheral wall of the fixed ring, and at least one upper sealing ring is arranged.
A plurality of first screw holes are uniformly distributed on the circumference of the first nut ring, first bolts are screwed in the first screw holes, and the first bolts are propped against the upper end surface of the fixed ring; a first auxiliary sealing ring is arranged between the inner wall of the first nut ring and the outer wall of the water outlet pipe.
The inner screw thread is also in threaded connection with a second nut ring which is of a T-shaped structure and comprises a flange ring and a nut sleeve which is arranged on the bottom surface of the flange ring and provided with an external screw thread, the nut sleeve is in threaded connection with the inner screw thread, a second auxiliary sealing ring is arranged between the inner wall of the nut sleeve and the outer wall of the water outlet pipe, the lower end face of the flange ring is matched and abutted against the upper end of the cylinder, and a third auxiliary sealing ring is arranged between the lower end face of the flange ring and the upper end of the cylinder; the second nut ring is provided with a plurality of through holes in a circumferential uniformly distributed mode, the through holes are matched with a plurality of second screw holes in the first nut ring in a one-to-one correspondence mode, second bolts are inserted into the through holes, and the second bolts are matched and screwed into the second screw holes.
The lower part of the cylinder body is in threaded connection with the motor base, and a plurality of screws are arranged between the cylinder body and the motor base.
The screws are positioned below the lower sealing ring, and the screws are positioned above the screwed position of the cylinder body and the motor seat.
A plurality of pull belts are circumferentially arranged between the motor base and the pump shell of the pump body unit at the uppermost end.
The cylinder body sequentially comprises a first sleeve, a second sleeve, a third sleeve, a fourth sleeve and a fifth sleeve from bottom to top, wherein the second sleeve and the fourth sleeve are respectively sleeved at the lower end and the upper end of the third sleeve, the first sleeve and the fifth sleeve are respectively inserted in the lower end and the upper end of the second sleeve and the fourth sleeve, and the internal threads are arranged in the fifth sleeve; the wall thickness of the first sleeve and the fifth sleeve is larger than that of the rest sleeves.
The beneficial effects of the invention are as follows:
compared with the prior art, the bending-resistant and pressure-losing-resistant deep-well pump is characterized in that the outer side of the deep-well pump is sleeved with the cylinder body, so that the deep-well pump with a longer length can be prevented from bending, the service life of the deep-well pump is prolonged, and the impact resistance of the deep-well pump is improved;
Compared with the prior art, the anti-bending anti-pressure-loss deep well pump has the advantages that the cylinder body enables the outer side of the deep well pump to form a vacuum space, so that the supercharging performance of the deep well pump can be ensured when leakage caused by bending occurs between pump body units;
Compared with the prior art, the bending-resistant anti-pressure-loss deep-well pump has the advantages that the lower part of the cylinder body is fixedly connected with the motor base, the upper part of the cylinder body is in threaded connection with the first nut ring, the first nut ring has an axial extrusion effect on the fixing ring of the water outlet flange assembly, and the fixing ring is matched with the end face of the pump body unit at the uppermost end of the pump body assembly, so that the first nut ring indirectly has an axial extrusion effect on a plurality of pump body units, the connection between the pump body units is firmer and tighter, the hard sealing effect between two adjacent pump body units is better, the pressurizing performance of the deep-well pump is further ensured, and the loss of water pressure and pressurization is prevented; in order to further increase the extrusion acting force on the pump body assembly, a plurality of first bolts are arranged on the first nut ring, and the extrusion acting force of the first bolts on the fixed ring is increased along with the continuous screwing of the first bolts, so that the acting force on the pump body assembly is increased;
compared with the prior art, in order to prevent unexpected loosening of the connection between the first nut ring and the internal thread of the cylinder, the anti-bending anti-pressure-loss deep well pump is provided with the second nut ring in the cylinder, and the second nut ring and the first nut ring are limited in circumferential rotation through the second bolt, so that the purpose that the first nut ring cannot loosen is achieved;
compared with the prior art, the bending-proof pressure-loss-proof deep well pump is characterized in that the first nut ring and the second nut ring are provided with the plurality of auxiliary sealing rings, so that the vacuum degree in the vacuum space is improved, and the safety is improved;
Compared with the prior art, the bending-proof pressure-loss-proof deep well pump has the advantages that the lower part of the cylinder body is in threaded connection with the motor base, and a plurality of screws are arranged between the lower sealing ring and the threaded connection positions of the lower sealing ring, so that the connection between the cylinder body and the motor base is firmer, in addition, the gap between the inner wall of the cylinder body and the outer wall of the motor base is smaller, and the sealing effect of the lower sealing ring is better;
Compared with the prior art, the bending-resistant and pressure-losing-resistant deep-well pump has the advantages that the plurality of pull belts are circumferentially arranged between the motor base and the pump shell of the uppermost pump body unit, so that the connection firmness between two adjacent pump body units, between the uppermost pump body unit and the water outlet flange assembly and between the lowermost pump body unit and the motor base is improved, the overall performance of the deep-well pump is improved, and the supercharging performance of the deep-well pump is further ensured.
Drawings
FIG. 1 is a perspective view of a bend-proof, loss-in-pressure deep well pump of the present invention;
FIG. 2 is an exploded perspective view of the bend-proof and loss-in-pressure deep well pump of the present invention;
FIG. 3 is a top view of the bend-proof and loss-in-pressure deep well pump of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is an enlarged view of a portion a of fig. 4;
fig. 6 is an enlarged view of a portion B of fig. 4;
FIG. 7 is a B-B cross-sectional view of FIG. 3;
fig. 8 is an enlarged view of a portion C of fig. 7;
Fig. 9 is an exploded perspective view of the bend-preventing and pressure-losing deep-well pump of the present invention having a drawstring.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
Referring to fig. 1 to 9, the present invention provides a bending-resistant and pressure-loss-resistant deep well pump, which comprises a pump body assembly 1, a motor assembly 2 and a water outlet flange assembly 3, wherein the pump body assembly 1 comprises a plurality of pump body units 4 overlapped along an axial direction, the pump body units 4 comprise a pump shell 5 and an impeller 6 arranged in the pump shell 5, the motor assembly 2 comprises a motor seat 7 and a motor (not shown in the drawings), the motor seat 7 is fixed at the lower end of the pump body assembly 1, the water outlet flange assembly 3 is arranged at the upper end of the pump body assembly 1, a cylinder 8 is sleeved on the water outlet flange assembly 3, the pump body assembly 1 and the motor seat 7, an upper sealing ring 9 is arranged between the inner wall of the cylinder 8 and the outer wall of the water outlet flange assembly 3, a lower sealing ring 10 is arranged between the inner wall of the cylinder 8 and the outer wall of the motor seat 7, and a vacuum space 11 is jointly formed among the upper sealing ring 9, the lower sealing ring 10, the inner wall of the cylinder 8, the outer wall of the pump body assembly 1, the outer wall of the motor seat 7 and the outer wall of the water outlet flange assembly 3; the lower part of the barrel 8 is fixedly connected with the motor base 7, an inner thread 12 is arranged on the inner wall of the upper part of the barrel 8, a first nut ring 13 is screwed in the inner thread 12, and the first nut ring 13 extrudes and abuts against the end face of the water outlet flange assembly 3.
The water outlet flange assembly 3 comprises a water outlet pipe 14 and a fixed ring 15, wherein the water outlet pipe 14 is inserted into the fixed ring 15 in a sealing way, the upper sealing ring 9 is arranged on the peripheral wall of the fixed ring 15, and at least one upper sealing ring 9 is arranged.
A plurality of first screw holes 16 are uniformly distributed on the first nut ring 13 in the circumference, first bolts 17 are screwed in the first screw holes 16, and the first bolts 17 are propped against the upper end surface of the fixed ring 15; a first auxiliary sealing ring 18 is arranged between the inner wall of the first nut ring 13 and the outer wall of the water outlet pipe 14.
The second nut ring 19 is further screwed in the internal thread 12, the second nut ring 19 is in a T-shaped structure, the second nut ring comprises a flange ring 20 and a nut sleeve 21 with external threads, the nut sleeve 21 is screwed with the internal thread 12, a second auxiliary sealing ring 22 is arranged between the inner wall of the nut sleeve 21 and the outer wall of the water outlet pipe 14, the lower end face of the flange ring 20 is matched and abutted against the upper end of the cylinder 8, and a third auxiliary sealing ring 23 is arranged between the lower end face of the flange ring 20 and the upper end of the cylinder 8; the second nut ring 19 is provided with a plurality of through holes 24 uniformly distributed on the circumference, the through holes 24 are matched with a plurality of second screw holes 25 arranged on the first nut ring 13 in a one-to-one correspondence manner, second bolts 26 are inserted into the through holes 24, and the second bolts 26 are matched and screwed in the second screw holes 25.
The lower part of the cylinder 8 is in threaded connection with the motor base 7, and a plurality of screws 27 are arranged between the cylinder 8 and the motor base 7.
The screws 27 are positioned below the lower sealing ring 10, and the screws 27 are positioned above the screw connection position of the cylinder 8 and the motor base 7.
A plurality of pull belts 28 are circumferentially arranged between the motor base 7 and the pump shell 5 of the pump body unit 4 at the uppermost end.
The working principle of the bending-proof and pressure-loss-proof deep well pump is explained below;
The invention relates to a bending-proof anti-pressure-loss deep well pump, wherein a cylinder body 8 is sleeved outside the deep well pump, and the cylinder body 8 is made of steel with higher hardness, for example: in order to manufacture and process conveniently, in particular to process the cylinder 8 in a sectional manner, and in welding and assembling, generally, the cylinder 8 is divided into a first sleeve 29, a second sleeve 30, a third sleeve 31, a fourth sleeve 32 and a fifth sleeve 33 from bottom to top in sequence, the second sleeve 30 and the fourth sleeve 32 are respectively sleeved at the lower end and the upper end of the third sleeve 31, the first sleeve 29 and the fifth sleeve 33 are respectively inserted in the lower end and the upper end of the second sleeve 30 and the fourth sleeve 32, the internal thread 12 is arranged in the fifth sleeve 33, and after the five sleeve components are assembled, all the components are connected by laser welding, and the tightness of the splicing position is ensured; in order to increase the supporting strength of the cylinder 8, the wall thickness of the first sleeve 29 and the fifth sleeve 33 is made larger than the wall thickness of the remaining sleeves, while ensuring the manufacturing cost.
After the cylinder body is manufactured, the whole cylinder body 8 is sleeved on the assembled deep-well pump, the lower part of the cylinder body 8 is in threaded connection with the motor base 7, a lower sealing ring 10 is arranged on the motor base 7 in advance, and after the cylinder body 8 and the motor base 7 are in threaded connection, a screw 27 can be arranged between the cylinder body 8 and the motor base 7, so that the connection firmness and the tightness of the cylinder body 8 and the motor base 7 are ensured; and cover is equipped with two upper seal rings 9 on the solid fixed ring 15 of play water flange subassembly 3, like this, form twice sealedly between barrel 8 inner wall and solid fixed ring 15, thereby make the space between solid fixed ring 15 and the motor cabinet 7 form vacuum space 11, if the deep-well pump takes place to bend in the pump body subassembly 1 in transportation or in the use and produces the gap between two adjacent pump body units 4 that leads to, then this vacuum space 11 is as a leak protection line, avoid the boost performance of deep-well pump to reduce, avoid leaking the condition emergence of the boost inefficacy of deep-well pump that leads to.
In order to further improve the sealing performance of the vacuum space and the firmness and tightness of the connection between the adjacent pump body units 4 of the whole deep-well pump, a first nut ring 13 and a second nut ring 19 are arranged on the upper portion of the cylinder 8, the first nut ring 13 and a plurality of first bolts 17 on the first nut ring 13 are used for extruding the fixing ring 15 and the pump body assembly 1 towards the motor base 7, so that the firmness and tightness between the pump body units 4 are improved, and the second nut ring 19 is used for realizing a safety guarantee for the first nut ring 13, namely: the second nut ring 19 is screwed into the internal thread 12, and the second nut ring 19 is connected with the first nut ring 13 through the second bolt 26, and the screwed position of the second nut ring 19 and the internal thread 12 and the screwed position of the first nut ring 13 and the internal thread 12 cannot be in the same rotation dimension, so that the first nut ring 13 and the second nut ring 19 cannot be synchronously screwed out of the internal thread 12, loosening of the first nut ring 13 is avoided, and extrusion acting force of the first nut ring 13 on the fixed ring 15 and the pump body assembly 1 is ensured; in addition, the first auxiliary seal ring 18, the second auxiliary seal ring 22 and the third auxiliary seal ring 23 seal the outside of the vacuum space 11 in the radial direction and the axial direction, respectively, thereby further improving the sealing safety of the vacuum space.
In summary, the bending and pressure loss prevention deep-well pump can avoid bending of the deep-well pump, and can further ensure that the deep-well pump can continue to work with full supercharging performance when the pump body assembly 1 of the deep-well pump leaks.
The bending-resistant and pressure-loss-resistant deep well pump provided by the embodiment of the invention is described in detail, and specific examples are applied to illustrate the principle and the implementation mode of the invention, and the description of the above examples is only used for helping to understand the technical scheme disclosed by the invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (4)
1. The utility model provides a prevent crooked anti-loss of pressure deep-well pump, includes pump body subassembly, motor assembly and goes out water flange subassembly, pump body subassembly includes a plurality of pump body units of following the axial stack, pump body unit includes the pump case and sets up the impeller in the pump case, and motor assembly includes motor cabinet and motor, the lower extreme at pump body subassembly is fixed to the motor cabinet, go out water flange subassembly and establish the upper end at pump body subassembly, its characterized in that: the water outlet flange assembly, the pump body assembly and the motor seat are sleeved with a cylinder body, an upper sealing ring is arranged between the inner wall of the cylinder body and the outer wall of the water outlet flange assembly, a lower sealing ring is arranged between the inner wall of the cylinder body and the outer wall of the motor seat, and a vacuum space is formed among the upper sealing ring, the lower sealing ring, the inner wall of the cylinder body, the outer wall of the pump body assembly, the outer wall of the motor seat and the outer wall of the water outlet flange assembly; the lower part of the cylinder is fixedly connected with the motor base, the inner wall of the upper part of the cylinder is provided with an internal thread, and a first nut ring and a second nut ring are screwed in the internal thread; the water outlet flange component comprises a water outlet pipe and a fixed ring, wherein the water outlet pipe is inserted into the fixed ring in a sealing way, the upper sealing ring is arranged on the peripheral wall of the fixed ring, and at least one upper sealing ring is arranged; a plurality of first screw holes are uniformly distributed on the circumference of the first nut ring, first bolts are screwed in the first screw holes, and the first bolts are propped against the upper end surface of the fixed ring; a first auxiliary sealing ring is arranged between the inner wall of the first nut ring and the outer wall of the water outlet pipe; the inner screw thread is also in threaded connection with a second nut ring which is of a T-shaped structure and comprises a flange ring and a nut sleeve which is arranged on the bottom surface of the flange ring and provided with an external screw thread, the nut sleeve is in threaded connection with the inner screw thread, a second auxiliary sealing ring is arranged between the inner wall of the nut sleeve and the outer wall of the water outlet pipe, the lower end face of the flange ring is matched and abutted against the upper end of the cylinder, and a third auxiliary sealing ring is arranged between the lower end face of the flange ring and the upper end of the cylinder; the second nut ring is provided with a plurality of through holes in a circumferential uniformly distributed manner, the through holes are matched with a plurality of second screw holes arranged on the first nut ring in a one-to-one correspondence manner, second bolts are inserted into the through holes, and the second bolts are matched and screwed in the second screw holes; the cylinder body sequentially comprises a first sleeve, a second sleeve, a third sleeve, a fourth sleeve and a fifth sleeve from bottom to top, wherein the second sleeve and the fourth sleeve are respectively sleeved at the lower end and the upper end of the third sleeve, the first sleeve and the fifth sleeve are respectively inserted in the lower end and the upper end of the second sleeve and the fourth sleeve, and the internal threads are arranged in the fifth sleeve; the wall thickness of the first sleeve and the fifth sleeve is larger than that of the rest sleeves.
2. The bending and pressure loss preventing deep well pump of claim 1, wherein: the lower part of the cylinder body is in threaded connection with the motor base, and a plurality of screws are arranged between the cylinder body and the motor base.
3. The bending and pressure loss preventing deep well pump according to claim 2, wherein: the screws are positioned below the lower sealing ring, and the screws are positioned above the screwed position of the cylinder body and the motor seat.
4. The bending and pressure loss preventing deep well pump of claim 1, wherein: a plurality of pull belts are circumferentially arranged between the motor base and the pump shell of the pump body unit at the uppermost end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762312.9A CN110454410B (en) | 2019-08-19 | 2019-08-19 | Bending-proof pressure-loss-proof deep well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762312.9A CN110454410B (en) | 2019-08-19 | 2019-08-19 | Bending-proof pressure-loss-proof deep well pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110454410A CN110454410A (en) | 2019-11-15 |
| CN110454410B true CN110454410B (en) | 2024-04-26 |
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ID=68487421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910762312.9A Active CN110454410B (en) | 2019-08-19 | 2019-08-19 | Bending-proof pressure-loss-proof deep well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454410B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202971223U (en) * | 2012-10-08 | 2013-06-05 | 台州佳迪泵业有限公司 | Centrifugal deep-well pump |
| CA2927882A1 (en) * | 2015-04-23 | 2016-10-23 | Baker Hughes Incorporated | Flexible hose for bellows pressure equalizer of electrical submersible well pump |
| CN209195743U (en) * | 2018-12-03 | 2019-08-02 | 浙江雅弗泵业股份有限公司 | A kind of deep well pump with counter flange component |
| CN210509631U (en) * | 2019-08-19 | 2020-05-12 | 浙江雅弗泵业股份有限公司 | Anti-bending and anti-pressure loss deep well pump |
-
2019
- 2019-08-19 CN CN201910762312.9A patent/CN110454410B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202971223U (en) * | 2012-10-08 | 2013-06-05 | 台州佳迪泵业有限公司 | Centrifugal deep-well pump |
| CA2927882A1 (en) * | 2015-04-23 | 2016-10-23 | Baker Hughes Incorporated | Flexible hose for bellows pressure equalizer of electrical submersible well pump |
| CN209195743U (en) * | 2018-12-03 | 2019-08-02 | 浙江雅弗泵业股份有限公司 | A kind of deep well pump with counter flange component |
| CN210509631U (en) * | 2019-08-19 | 2020-05-12 | 浙江雅弗泵业股份有限公司 | Anti-bending and anti-pressure loss deep well pump |
Non-Patent Citations (1)
| Title |
|---|
| 长轴深井泵振动异常原因分析与处理对策;孙贵容;陈晓春;;设备管理与维修(S2);全文 * |
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| Publication number | Publication date |
|---|---|
| CN110454410A (en) | 2019-11-15 |
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