CN108591067B - Shock-absorbing full-pressure oil-submerged pump - Google Patents
Shock-absorbing full-pressure oil-submerged pump Download PDFInfo
- Publication number
- CN108591067B CN108591067B CN201810744782.8A CN201810744782A CN108591067B CN 108591067 B CN108591067 B CN 108591067B CN 201810744782 A CN201810744782 A CN 201810744782A CN 108591067 B CN108591067 B CN 108591067B
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- ring
- bearing
- shock
- pump head
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- 238000013016 damping Methods 0.000 claims abstract description 52
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 230000035939 shock Effects 0.000 claims abstract description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
- F04D1/08—Multi-stage pumps the stages being situated concentrically
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/128—Adaptation of pump systems with down-hole electric drives
-
- 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
-
- 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
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/0462—Bearing cartridges
-
- 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
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a shock-absorbing full-pressure submersible pump, which relates to the technical field of submersible pumps and comprises a pump shaft, a pump shell, an upper pump head assembly block and a lower pump head assembly block; the multistage impeller and the guide shell are serially connected on the pump shaft step by step; the outer wall of the pump shaft is provided with a circumferential groove; the multi-stage impeller is positioned between the two half cutting sleeves; the upper end of the pump shell is connected with the upper pump head, and the upper end of the pump shell is connected with the lower pump head; the upper pump head and the lower pump head are respectively connected with the bearing support frame; bearing sleeves are arranged at the upper end and the lower end of the pump shaft; the upper end and the lower end of the bearing sleeve are respectively provided with a retainer ring; a compensation sleeve is arranged between the bearing sleeve and each check ring; the bearing bush is positioned on the outer wall of the bearing sleeve; the clamping ring is fastened in the clamping ring groove on the outer wall of the bearing bush; the outer wall of the bearing bush is provided with a damping ring groove and an exhaust hole; a damping ring is arranged in the damping ring groove; a locking sleeve is arranged below the upper pump head assembly block. This patent has improved the fixed mode of axle bush, replaces the elastic fixation who takes the shock attenuation circle with the rigidity fixed, can effectively absorb the impact that the pump shaft brought.
Description
Technical Field
The invention relates to the technical field of oil-submerged pumps, in particular to a shock-absorbing full-pressure oil-submerged pump.
Background
With the continuous development of petroleum industry, the submersible electric pump unit is widely applied to oil extraction production of oil fields due to the high efficiency and stability, and most of submersible pumps are of elongated structures due to the limitation of space conditions in underground operation, namely a long shaft penetrates through a multi-stage impeller, and a pair of sliding bearings are arranged at two ends of the shaft to serve as radial supports. During long-term operation, the pump shaft has certain vibration during operation due to the impact of water flow and the effect of gas and solid particles mixed in the well liquid and the factors of the slender shaft structure. The bearing bushes of the sliding bearings at the two ends of the conventional oil-submerged pump adopt a rigid fixing mode, and the vibration can directly generate radial impact on the bearing bushes. The pump efficiency is reduced due to the increase of the abrasion loss during the short-time operation, and the bearing bush is seriously abraded and even cracked and damaged during the long-time operation.
Disclosure of Invention
The invention provides a shock-absorbing full-pressure submersible pump for solving the technical problems in the prior art. In order to reduce the vibration of the pump to counteract the impact, an elastic damping ring is additionally arranged on the outer circle of the bearing bush, so that the impact caused by the pump shaft can be absorbed, and the service life is prolonged. Correspondingly, the axial movement of the bearing sleeve can be limited by additionally arranging the compensation sleeve and the compensation gasket on the bearing sleeve on the shaft, and the bearing sleeve can be protected. In addition, the newly improved locking ring compresses and the end face locks the locking sleeve to increase the reliability of the full pressure pump.
The invention adopts the technical proposal for solving the technical problems in the prior art that:
the utility model provides a shock attenuation formula full pressure oil-submerged pump, includes pump shaft (10) and pump case (9), its characterized in that: the multistage impeller (8) and the guide shell (7) are serially connected on the pump shaft (10) step by step; the pump further comprises an upper pump head assembly block positioned at the upper end of the pump shaft (10) and a lower pump head assembly block positioned at the lower end of the pump shaft (10); the upper pump head assembly block comprises an upper pump head (1), a bearing support frame (15), a bearing bush (19), a clamping ring (20) and a damping ring; the lower pump head assembly block comprises a lower pump head (11), a bearing support frame (15), a bearing bush (19), a clamping ring (20) and a damping ring; the outer wall of the pump shaft (10) is provided with a circumferential groove which is clamped with the two half cutting sleeves (3); the multistage impeller (8) is positioned between the two half cutting sleeves (3); the upper end of the pump shell (9) is fixedly connected with the upper pump head (1), and the upper end of the pump shell (9) is fixedly connected with the lower pump head (11); the upper pump head (1) and the lower pump head (11) are respectively and fixedly connected with the bearing support frame (15); bearing sleeves (16) are arranged at the upper end and the lower end of the pump shaft (10); the upper end and the lower end of each bearing sleeve (16) are respectively provided with a check ring (13) fixedly connected with the pump shaft (10); a compensation sleeve is arranged between the bearing sleeve (16) and each check ring (13); the bearing bush (19) is positioned on the outer wall of the bearing sleeve (16); the clamping ring (20) is fastened in a clamping ring groove (a) on the outer wall of the bearing bush (19); the outer wall of the bearing bush (19) is also provided with a damping ring groove (b) and an exhaust hole (c); a damping ring is arranged in the damping ring groove (b); the pump shell (9) is connected with the guide shell (7) through the locking ring (2); a locking sleeve (6) is arranged below the upper pump head assembly block.
The invention can also adopt the following technical scheme:
further, the number of the clamping ring grooves (a) of the bearing bush (19) is one, the number of the damping ring grooves (b) is two, and the number of the exhaust holes (c) is one; the two damping ring grooves (b) are positioned at the upper end and the lower end of the bearing bush (19), and the clamping ring groove (a) is positioned at one end of the bearing bush; the exhaust hole (c) is positioned between the two damping ring grooves (b).
Further, the depth dimension of the snap ring groove (a) is larger than the cross-sectional width dimension of the snap ring groove (a).
Furthermore, the bottoms of the damping ring groove (b) and the clamping ring groove (a) are flat bottoms, and round corners are arranged at the edges of the bottoms of the damping ring grooves.
Further, the damping rings are O-shaped rings with circular sections, and the number of the damping rings on each bearing bush (19) is two.
Further, the clamping ring (20) is in a circular ring shape with an opening, and the shaft section is square.
Further, the locking ring (2) is provided with three or four loading and unloading grooves.
Further, a set screw (5) with a planar lower end is attached to the upper end of the locking sleeve (6).
Further, the check ring (13) is a check ring for a reverse shaft.
The invention has the advantages and positive effects that:
the invention improves the fixing mode of the bearing bush, and the rigid fixing is replaced by the elastic fixing with the damping ring, so that the impact caused by the pump shaft can be effectively absorbed. The invention improves the fixing form of the bearing sleeve, so that the bearing sleeve cannot axially move, thereby reducing vibration. The novel improved locking sleeve for the locking ring to compress and the end face to lock increases the reliability of the full-pressure pump, so that the size allocation during installation is more convenient.
Drawings
FIG. 1 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of the circle of FIG. 1;
fig. 3 is a schematic view of the construction of a shaft bushing in a preferred embodiment of the invention.
Wherein: 1. feeding a pump head; 2. a locking ring; 3. dividing the cutting sleeve into half; 4. a lock nut; 5. a set screw; 6. a locking sleeve; 7. a guide shell; 8. an impeller; 9. a pump housing; 10. a pump shaft; 11. a pump head is arranged; 12. shaft head adjusting bolts and gaskets; 13. a retainer ring; 14. a compensation sleeve is arranged; 15. a bearing support; 16. a bearing sleeve; 17. a compensation spacer; 18. a lower compensation sleeve; 19. bearing bush; 20. a clasp; 21. a first damping ring; 22. a second damping ring; a. a snap ring groove; b. a damping ring groove; c. and an exhaust hole.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:
referring to fig. 1 and 2, a shock-absorbing full-pressure submersible pump comprises an upper pump head assembly block, a lower pump head assembly block, a locking ring 2, a half cutting sleeve 3, a pump shell 9, a pump shaft 10, a retainer ring 13, a bearing sleeve 16, a compensation sleeve, a compensation gasket 17, a set screw 5, a locking sleeve 6, a locking nut 4, a shaft head adjusting bolt and gasket 12, a multistage impeller 8, a guide shell 7 and the like; the upper pump head assembly block comprises an upper pump head 1, a bearing support 15, a bearing bush 19, a clamping ring 20 and a damping ring; the lower pump head assembly block comprises a lower pump head 11, a bearing support 15, a bearing bush 19, a clamping ring 20 and a damping ring; the bearing support frame is provided with a groove for fixing the clamping ring; the bearing bush 19 is provided with a clamping ring groove a for installing a limiting clamping ring, a damping ring groove b for fixing a damping ring and an exhaust hole c; the locking ring 2 is provided with 3 or 4 mounting and dismounting grooves.
The multistage impeller 8 and the guide shell 7 are connected in series on the pump shaft 10 step by step, the lower end of the pump shaft 10 is limited to move downwards by fixing the impeller 8 through the half cutting sleeve 3, the upper end of the pump shaft 10 is fixed and locked with the multistage impeller 9 through the combined action of the locking sleeve 6, the locking nut 4 and the half cutting sleeve 3, and the set screw 5 is fixed on the upper end face of the locking sleeve 6. The bearing sleeve 16 and the compensation sleeve are arranged at the two ends of the pump shaft 10 and are fixed on the pump shaft 10 through the check rings 13. The multistage pilot 7 is compressed inside the pump casing 9 using the locking ring 2 and the lower pump head 11. The pump head mounting dimension is adjusted by the head adjusting bolts and the shims 12.
One clamping ring groove a of the bearing bush 16, two damping ring grooves b and one exhaust hole c; the damping ring grooves b are positioned at the upper end and the lower end of the bearing bush 16; the clamping ring groove a is positioned at one end edge of the bearing bush 16; the exhaust hole c is positioned between the two damping ring grooves b.
The depth dimension of the clamping ring groove a is larger than the width dimension of the clamping ring 20 in cross section. The bottoms of the damping ring groove b and the clamping ring groove a are flat bottoms, and round corners are arranged at the edges of the bottoms. The damping rings are circular-section O-shaped rings, and the number of the damping rings in a single bearing bush 16 is two. The bearing housing 16 is located between the upper and lower compensation housings 14, 18. The snap ring 20 is in an open circular shape, and has a square cross section. The locking ring 2 is provided with 3 or 4 mounting and dismounting grooves. The lower end of the set screw 5 is provided with a plane which is tightly attached to the plane at the upper end of the locking sleeve 6. The circlip 13 for shaft uses a circlip for reverse shaft.
The working principle of the invention is specifically described below:
the upper pump head assembly block and the lower pump head assembly block of the shock-absorbing full-pressure oil-submerged pump adopt the same bearing bush fixing mode, and the clamping ring 20 is used for fixing the bearing bush 16 on the bearing support frame 15 to limit the bearing bush 16 from moving axially; through the combined action of the first damping ring 21 and the second damping ring 22 between the outer circle of the bearing bush 16 and the inner hole of the bearing support 15, vibration impact from the whole pump shaft can be absorbed and counteracted, and meanwhile, the rotation of the bearing bush is limited through friction resistance.
Referring to fig. 3, the number of snap ring grooves a, the number of damping ring grooves b and the number of exhaust holes c of the bearing bush 16 are one; the damping ring grooves b are positioned at the upper end and the lower end of the bearing bush 16, and a certain distance is reserved between the damping ring grooves b; the clamping ring groove a is positioned at one end edge of the bearing bush 16; the exhaust hole c is positioned between the two damping ring grooves b.
During actual assembly, the first damping ring 21 and the second damping ring 22 are sequentially sleeved in the corresponding damping ring groove b of the bearing bush 16, then the clamping ring 20 is placed in the clamping ring groove a of the bearing bush 16, and the outer circle of the clamping ring 20 is compressed by hands to be consistent with the outer circle of the bearing bush 16 in size, so that the installation is convenient. Then, one end of the circled bearing bush assembly with the snap ring 20 is installed on the side with the chamfer on the inner hole of the bearing support frame 15, the bearing bush assembly is lightly knocked in by a mallet until the snap ring 20 enters the snap ring groove of the bearing support frame 15, and residual air in the annular space before the first damping ring 21 and the second damping ring 22 is discharged through the exhaust hole c.
The bearing bush can be made of hard alloy or wear-resistant ceramic materials; the depth of the clamping ring groove a is larger than the width of the section of the clamping ring 20; the bottoms of the damping ring groove b and the clamping ring groove a are flat bottoms.
The damping rings are O-shaped rings with circular cross sections, and are made of elastic rubber materials, and the number of the damping rings in a single bearing bush 16 is two; the snap ring 20 is in an open circular shape, and has a square cross section.
Referring to fig. 1 and 2, the bearing sleeve 16 is located between the upper compensation sleeve 13 and the lower compensation sleeve 18, so as to prevent the bearing sleeve 16 from directly contacting the upper and lower check rings 13, and avoid cracking of the bearing sleeve 16 caused by vibration; the compensation washer 17 is located between the bearing housing 16 and the lower compensation housing 18 for filling the axial gap before the retainer ring 13, preventing the bearing housing 16 from moving axially.
When the actual pump is assembled, firstly, the multistage impeller 8 and the guide shell 7 are connected on the pump shaft 10 in series, the lower end of the multistage impeller is clamped on a corresponding groove at the lower end of the pump shaft 10 to fix and limit the lower end of the impeller 8, then, one check ring 13 is firstly arranged at the lower end of the pump shaft 10, then, an upper compensation sleeve 14, a bearing sleeve 16 and a lower compensation sleeve 18 are sequentially arranged, a proper compensation gasket 17 is selected according to an actual gap, the lower compensation sleeve 18 is taken out, the compensation gasket 17 is arranged in the upper compensation sleeve, the upper compensation sleeve 18 and the lower compensation sleeve 18 are penetrated again, and finally, the lower end bearing sleeve 16 and related parts are fixed by one check ring 13; the upper end fills the axial gap according to the mounting positions of the half cutting sleeve 3, the locking sleeve 6 and the locking nut 4, the real-fit isolating sleeve is filled in the pump shaft 10, the withdrawal amount of the locking nut 4 is reserved in the process of realizing, then the locking sleeve 6 is screwed into the locking nut 4 and is filled in the pump shaft 10 together, the half cutting sleeve 3 is clamped on a corresponding groove at the upper end of the pump shaft 10, and the locking nut 4 is screwed to withdraw the locking sleeve 6, so that the upper end face of the locking nut 4 is in contact with the boss end face of the half cutting sleeve 3, but the locking nut is not required to be screwed; then the pump shaft assembly is put into a pump shell 9 which is provided with a lower pump head assembly block in advance, a prepared compression ring is put into the pump shell, then the locking ring 2 is put into the pump shell, and the pump shaft assembly is screwed and fixed by a special tool; then the locking nut 4 is screwed by hand and is fixed on the upper end face of the locking sleeve 6 by the fastening screw 5 to be tightly fastened, so that the locking nut 4 is prevented from loosening due to long-time operation; then the upper end bearing sleeve 16 and related parts are installed in the same way as the lower end bearing sleeve 16; finally, the pump head assembly block is installed, and the extension size of the upper shaft and the lower shaft is adjusted through adjusting the shaft head adjusting bolt and the gasket 12.
The above-described embodiments are only for illustrating the technical spirit and features of the present invention, and it is intended to enable those skilled in the art to understand the content of the present invention and to implement it accordingly, and the scope of the present invention is not limited to the embodiments, i.e. equivalent changes or modifications to the spirit of the present invention are still within the scope of the present invention.
Claims (9)
1. The utility model provides a shock attenuation formula full pressure oil-submerged pump, includes pump shaft (10) and pump case (9), its characterized in that: the multistage impeller (8) and the guide shell (7) are serially connected on the pump shaft (10) step by step; the pump further comprises an upper pump head assembly block positioned at the upper end of the pump shaft (10) and a lower pump head assembly block positioned at the lower end of the pump shaft (10); the upper pump head assembly block comprises an upper pump head (1), a bearing support frame (15), a bearing bush (19), a clamping ring (20) and a damping ring; the lower pump head assembly block comprises a lower pump head (11), a bearing support frame (15), a bearing bush (19), a clamping ring (20) and a damping ring; the outer wall of the pump shaft (10) is provided with a circumferential groove which is clamped with the two half cutting sleeves (3); the multistage impeller (8) is positioned between the two half cutting sleeves (3); the upper end of the pump shell (9) is fixedly connected with the upper pump head (1), and the lower end of the pump shell (9) is fixedly connected with the lower pump head (11); the upper pump head (1) and the lower pump head (11) are respectively and fixedly connected with the bearing support frame (15); bearing sleeves (16) are arranged at the upper end and the lower end of the pump shaft (10); the upper end and the lower end of each bearing sleeve (16) are respectively provided with a check ring (13) fixedly connected with the pump shaft (10); a compensation sleeve is arranged between the bearing sleeve (16) and each check ring (13); the bearing bush (19) is positioned on the outer wall of the bearing sleeve (16); the clamping ring (20) is fastened in a clamping ring groove (a) on the outer wall of the bearing bush (19); the outer wall of the bearing bush (19) is also provided with a damping ring groove (b) and an exhaust hole (c); a damping ring is arranged in the damping ring groove (b); the pump shell (9) is connected with the guide shell (7) through the locking ring (2); a locking sleeve (6) is arranged below the upper pump head assembly block.
2. The shock-absorbing full-pressure submersible pump according to claim 1, characterized in that the number of snap ring grooves (a) of the bearing bush (19) is one, the number of shock-absorbing ring grooves (b) is two, and the number of exhaust holes (c) is one; the two damping ring grooves (b) are positioned at the upper end and the lower end of the bearing bush (19), and the clamping ring groove (a) is positioned at one end of the bearing bush; the exhaust hole (c) is positioned between the two damping ring grooves (b).
3. The full-pressure submersible pump according to claim 2, wherein the depth dimension of the snap ring groove (a) is larger than the cross-sectional width dimension of the snap ring groove (a).
4. The shock-absorbing full-pressure submersible pump according to claim 2, wherein the bottoms of the shock-absorbing ring groove (b) and the snap ring groove (a) are flat bottoms, and the edges of the groove bottoms are provided with round corners.
5. The shock-absorbing full-pressure submersible pump according to claim 1, wherein the shock-absorbing rings are circular-section O-rings, and the number of the shock-absorbing rings on each bearing bush (19) is two.
6. The shock-absorbing full-pressure submersible pump according to claim 1, wherein the snap ring (20) is ring-shaped with an opening, and the shaft section is square.
7. Damping full pressure submersible pump according to claim 1, characterized in that the locking ring (2) is provided with three or four loading and unloading recesses.
8. The shock-absorbing full-pressure submersible pump according to claim 1, wherein the set screw (5) with a planar lower end is attached to the upper end of the locking sleeve (6).
9. The shock-absorbing full-pressure submersible pump according to any one of claims 1 to 8, wherein the check ring (13) is a check ring for a reverse shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744782.8A CN108591067B (en) | 2018-07-09 | 2018-07-09 | Shock-absorbing full-pressure oil-submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744782.8A CN108591067B (en) | 2018-07-09 | 2018-07-09 | Shock-absorbing full-pressure oil-submerged pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108591067A CN108591067A (en) | 2018-09-28 |
| CN108591067B true CN108591067B (en) | 2023-12-26 |
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ID=63615137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810744782.8A Active CN108591067B (en) | 2018-07-09 | 2018-07-09 | Shock-absorbing full-pressure oil-submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591067B (en) |
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| EA200870026A1 (en) * | 2006-02-14 | 2008-10-30 | Иван Соломонович Пятов | DEVICE FOR HYDRAULIC PROTECTION OF THE ELECTRIC MOTOR OF THE WELL PUMP |
| JP2010242564A (en) * | 2009-04-03 | 2010-10-28 | Dmw Corp | Vertical shaft pump |
| CN205078465U (en) * | 2015-10-26 | 2016-03-09 | 海城三鱼泵业有限公司 | Submersible pump for well |
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| CN208503031U (en) * | 2018-07-09 | 2019-02-15 | 天津市百利溢通电泵有限公司 | A kind of damping type total pressure oil-immersed pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9303648B2 (en) * | 2013-07-01 | 2016-04-05 | Baker Hughes Incorporated | Compliant radial bearing for electrical submersible pump |
-
2018
- 2018-07-09 CN CN201810744782.8A patent/CN108591067B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA200870026A1 (en) * | 2006-02-14 | 2008-10-30 | Иван Соломонович Пятов | DEVICE FOR HYDRAULIC PROTECTION OF THE ELECTRIC MOTOR OF THE WELL PUMP |
| JP2010242564A (en) * | 2009-04-03 | 2010-10-28 | Dmw Corp | Vertical shaft pump |
| CN205078465U (en) * | 2015-10-26 | 2016-03-09 | 海城三鱼泵业有限公司 | Submersible pump for well |
| CN106837820A (en) * | 2015-12-03 | 2017-06-13 | 天津市龙晴机电设备销售有限责任公司 | High-lift deep well submerged electric pump |
| CN208503031U (en) * | 2018-07-09 | 2019-02-15 | 天津市百利溢通电泵有限公司 | A kind of damping type total pressure oil-immersed pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108591067A (en) | 2018-09-28 |
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