CN221591202U - Hydraulic end assembly of fracturing pump - Google Patents
Hydraulic end assembly of fracturing pump Download PDFInfo
- Publication number
- CN221591202U CN221591202U CN202323558566.XU CN202323558566U CN221591202U CN 221591202 U CN221591202 U CN 221591202U CN 202323558566 U CN202323558566 U CN 202323558566U CN 221591202 U CN221591202 U CN 221591202U
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- magnetic ring
- head
- valve
- ring
- guide column
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- 230000007797 corrosion Effects 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000000945 filler Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
A hydraulic end assembly of a fracturing pump relates to the technical field of fracturing pumps. The pump head is provided with two one-way valve groups, each one-way valve group consists of a valve seat, a valve head and a compression spring, a section of guide column is processed on the outer side of the valve head, the guide column is connected with a guide hole in the pump head in a clearance fit manner, and the guide column is provided with an overflow hole which penetrates up and down; an inner magnetic ring is embedded at the lower end of the outer circle of the guide column, a ring groove is processed at the lower part of the guide hole, and an outer magnetic ring is embedded in the ring groove. The beneficial effects of the utility model are as follows: when the valve head falls back, the inner magnetic ring and the outer magnetic ring are close to each other, the two magnetic rings with the same magnetic poles generate repulsive force, the speed of the valve head falling on the valve seat is slowed down, the impact force between the valve seat and the valve head is reduced, the service life of the one-way valve group is prolonged, the maintenance period of the one-way valve group is long, meanwhile, the main parts are made of wear-resistant and corrosion-resistant materials, and are suitable for the working environment of acidizing and fracturing, and meanwhile, the phenomenon that the one-way valve group is not tightly closed due to overlarge repulsive force of the inner magnetic ring and the outer magnetic ring can be prevented.
Description
Technical Field
The utility model relates to the technical field of fracturing pumps, in particular to a hydraulic end assembly of a fracturing pump.
Background
Along with the continuous reinforcement of sand fracturing and acidizing fracturing processes and the continuous deepening of the depths of oil and gas wells in China, a fracturing pump is also increasingly developed towards the directions of large discharge capacity, high pressure and high power, and strict and harsh use conditions provide higher requirements on the hydraulic end of the fracturing pump, particularly two one-way valve groups in the hydraulic end, due to the high pressure, the corrosion action of acidizing fracturing fluid, the shattering damage degree and the corrosion degree of the one-way valve groups of the hydraulic end are higher, accessories are frequently replaced, the maintenance cost is high, and the operation progress is influenced.
Disclosure of utility model
The utility model provides a hydraulic end assembly of a fracturing pump, which aims to solve the problems of high damage degree and high maintenance cost of accessories of the conventional acidizing fracturing pump.
The technical scheme provided by the utility model is as follows: a hydraulic end assembly of a fracturing pump comprises a pump head, a plunger, a gland and a filler, wherein an upper one-way valve group and a lower one-way valve group are arranged at a liquid inlet and a liquid outlet of the pump head, each one-way valve group consists of a valve seat, a valve head and a compression spring, the valve head and the valve seat are sealed by a conical ring surface, a section of guide column is processed at the outer side of the valve head, the guide column is in clearance fit connection with a guide hole in the pump head, and an overflow hole penetrating up and down is formed in the guide column;
An inner magnetic ring is inlaid at the lower end of the outer circle of the guide column, a ring groove is processed at the lower part of the guide hole, an outer magnetic ring is inlaid in the ring groove, and the outer magnetic ring is positioned at the lower side of the inner magnetic ring.
The outer circle of the inner magnetic ring is same as the inner hole magnetic pole of the outer magnetic ring, the outer circle of the inner magnetic ring is in clearance fit with the inner hole of the outer magnetic ring in size, and when the valve head is on the valve seat, a distance is reserved between the outer magnetic ring and the inner magnetic ring.
A cylinder sleeve is arranged between the plunger and the pump head, and the cylinder sleeve, the valve head and the valve seat are made of wear-resistant and corrosion-resistant metal.
The pump head is provided with heat exchange fins at the outer side of the plunger.
The outer magnetic ring is of a structure that an integral circular ring is cut into parts along the axis, and a plurality of outer magnetic rings with the same size are inlaid into annular grooves formed in the lower part of the guide hole.
The beneficial effects of the utility model are as follows: when the valve head falls back, the inner magnetic ring and the outer magnetic ring are close to each other, the two magnetic rings with the same magnetic poles generate repulsive force, the speed of the valve head falling on the valve seat is slowed down, the impact force between the valve seat and the valve head is reduced, the service life of the one-way valve group is prolonged, the maintenance period of the one-way valve group is long, meanwhile, the main parts are made of wear-resistant and corrosion-resistant materials, and are suitable for the working environment of acidizing and fracturing, and meanwhile, the phenomenon that the one-way valve group is not tightly closed due to overlarge repulsive force of the inner magnetic ring and the outer magnetic ring can be prevented.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
Fig. 3 is a schematic structural view of an outer magnetic ring in the present utility model.
In the figure: 1-pump head, 2-plunger, 3-liquid outlet, 4-liquid inlet, 5-guiding hole, 6-gland, 7-filler, 8-check valve group, 9-valve seat, 10-valve head, 11-guiding column, 12-overflow hole, 13-inner magnetic ring, 14-outer magnetic ring, 15-cylinder liner, 16-heat exchange fin.
Detailed Description
As shown in fig. 1-3, a hydraulic end assembly of a fracturing pump comprises a pump head 1, a plunger 2, a gland 6 and a filler 7, wherein an upper check valve group 8 and a lower check valve group 8 are arranged at the positions of a liquid inlet 4 and a liquid outlet 3 of the pump head 1, the check valve group 8 consists of a valve seat 9, a valve head 10 and a compression spring, the valve head 10 and the valve seat 9 are sealed by a conical ring surface, a section of guide column 11 is processed at the outer side of the valve head 10, the guide column 11 is connected with a guide hole 5 in the pump head 1 in a clearance fit manner, and an overflow hole 12 penetrating up and down is formed in the guide column 11;
An inner magnetic ring 13 is embedded at the lower end of the outer circle of the guide column 11, a ring groove is processed at the lower part of the guide hole 5, an outer magnetic ring 14 is embedded in the ring groove, and the outer magnetic ring 14 is positioned at the lower side of the inner magnetic ring 13.
The outer circle of the inner magnetic ring 13 is identical with the inner hole magnetic poles of the outer magnetic ring 14, the outer circle of the inner magnetic ring 13 is in clearance fit with the inner hole of the outer magnetic ring 14 in size, when the valve head 10 falls back, the inner magnetic ring 13 and the outer magnetic ring 14 are close to each other, the two magnetic rings with the same magnetic poles generate repulsive force, the speed of the valve head 10 falling on the valve seat 9 is slowed down, the impact force between the valve seat 9 and the valve head 10 is reduced, the service life of the check valve 8 is prolonged, the maintenance period of the check valve 8 is prolonged, when the valve head 10 falls on the valve seat 9, a distance is reserved between the outer magnetic ring 14 and the inner magnetic ring 13, and the distance prevents the mutual repulsive force of the inner magnetic ring 13 and the outer magnetic ring 14 from being too large, so that the check valve 8 is not tightly closed.
A cylinder sleeve 15 is arranged between the plunger 2 and the pump head 1, the cylinder sleeve 15, the valve head 10 and the valve seat 9 are made of wear-resistant and corrosion-resistant metal, the working environment of acidizing and fracturing is adapted, and the service life is prolonged.
The pump head 1 is provided with heat exchange fins 16 at the outer side of the plunger 2.
The outer magnetic ring 14 is of a structure that an integral circular ring is cut into parts along the axis, and a plurality of outer magnetic rings 14 with the same size can be embedded into a ring groove formed in the lower part of the guide hole 5.
Claims (5)
1. The utility model provides a fracturing pump fluid end assembly, includes pump head (1), plunger (2), gland (6) and packing (7), its characterized in that: an upper check valve group (8) and a lower check valve group (8) are arranged at the positions of a liquid inlet (4) and a liquid outlet (3) of the pump head (1), the check valve group (8) consists of a valve seat (9), a valve head (10) and a compression spring, the valve head (10) and the valve seat (9) are sealed through a conical ring surface in a hard way, a section of guide column (11) is processed at the outer side of the valve head (10), the guide column (11) is connected with a guide hole (5) in the pump head (1) in a clearance fit way, and an overflow hole (12) which penetrates up and down is formed in the guide column (11);
An inner magnetic ring (13) is inlaid at the lower end of the outer circle of the guide column (11), an annular groove is processed at the lower part of the guide hole (5), an outer magnetic ring (14) is inlaid in the annular groove, and the outer magnetic ring (14) is positioned at the lower side of the inner magnetic ring (13).
2. A frac pump fluid end assembly according to claim 1, wherein: the outer circle of the inner magnetic ring (13) is the same as the inner hole magnetic pole of the outer magnetic ring (14), the outer circle of the inner magnetic ring (13) is in clearance fit with the inner hole of the outer magnetic ring (14) in size, and when the valve head (10) falls on the valve seat (9), a distance is reserved between the outer magnetic ring (14) and the inner magnetic ring (13).
3. A frac pump fluid end assembly according to claim 1, wherein: a cylinder sleeve (15) is arranged between the plunger (2) and the pump head (1), and the cylinder sleeve (15) is made of wear-resistant and corrosion-resistant metal of the valve head (10) and the valve seat (9).
4. A frac pump fluid end assembly according to claim 1, wherein: the pump head (1) is provided with heat exchange fins (16) at the outer side of the plunger (2).
5. A frac pump fluid end assembly according to claim 1, wherein: the outer magnetic ring (14) is of a whole circular ring cutting structure along the axis, and a plurality of outer magnetic rings (14) with the same size can be embedded into a ring groove formed in the lower part of the guide hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323558566.XU CN221591202U (en) | 2023-12-26 | 2023-12-26 | Hydraulic end assembly of fracturing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323558566.XU CN221591202U (en) | 2023-12-26 | 2023-12-26 | Hydraulic end assembly of fracturing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221591202U true CN221591202U (en) | 2024-08-23 |
Family
ID=92408608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323558566.XU Active CN221591202U (en) | 2023-12-26 | 2023-12-26 | Hydraulic end assembly of fracturing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221591202U (en) |
-
2023
- 2023-12-26 CN CN202323558566.XU patent/CN221591202U/en active Active
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