CN218913136U

CN218913136U - Valve box of hydraulic end assembly of fracturing pump

Info

Publication number: CN218913136U
Application number: CN202223242094.2U
Authority: CN
Inventors: 李守斌; 杨喜磊; 祁云霞
Original assignee: Jinan Baoshan Petroleum Equipment Co ltd
Current assignee: Jinan Baoshan Petroleum Equipment Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-04-25
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to the technical field of fracturing equipment, in particular to a hydraulic end assembly valve box of a fracturing pump, which can effectively prevent the completion progress of a construction period from being influenced by damage of a one-way valve.

Description

Valve box of hydraulic end assembly of fracturing pump

Technical Field

The utility model relates to the technical field of fracturing equipment, in particular to a valve box of a hydraulic end assembly of a fracturing pump.

Background

As is well known, the hydraulic end assembly is a core component in the fracturing pump, while the most important equipment in fracturing construction is the fracturing pump, which has the function of injecting high-pressure and large-displacement pressure liquid into a well to fracture a stratum and squeeze propping agent into a crack, and the fracturing truck mainly comprises four parts of carrying, power, transmission and a pump body.

The prior hydraulic end assembly is operated, the check valve in the hydraulic end assembly needs to bear huge pressure and needs to move frequently during operation, so that the check valve in the valve box of the hydraulic end assembly of the fracturing pump is a fragile workpiece, when the sealing performance of the check valve is reduced or damaged, a worker needs to understand that a high-pressure pipeline is closed, the valve box of the hydraulic end assembly of the fracturing pump is disassembled to replace the check valve, a large number of bolts are arranged on the valve box of the hydraulic end assembly of the fracturing pump, and a long time is needed for replacing the check valve, so that the completion progress of the construction period of the valve box of the hydraulic end assembly of the existing fracturing pump can be prolonged if the check valve is damaged.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the valve box of the hydraulic end assembly of the fracturing pump, which can effectively prevent the completion progress of a construction period from being influenced by the damage of a one-way valve.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fracturing pump fluid end assembly valve box, including fluid end assembly valve box main part, the bottom of fluid end assembly valve box main part is provided with the inlet tube, the top of fluid end assembly valve box main part is provided with main drain pipe and reserve drain pipe, the top of main drain pipe and reserve drain pipe is provided with the high-pressure pipe, all be provided with the control valve on main drain pipe and the reserve drain pipe, the inside bottom of fluid end assembly valve box main part is provided with the intake valve, the inside top of fluid end assembly valve box main part is provided with main drainage chamber, reserve drainage chamber, the inside middle part of fluid end assembly valve box main part is provided with the cavity, the inside of cavity is provided with the post valve, be provided with first water delivery channel between intake valve and the cavity, cavity and main drainage chamber, be provided with the second water delivery channel between the reserve drainage chamber, the inside of intake valve all is provided with the check valve in main drainage chamber and reserve drainage chamber.

Further, the main drain pipe and the standby drain pipe are communicated with the high-pressure pipe.

Further, the water inlet pipe is communicated with the water inlet cavity, and the water inlet cavity is communicated with the cavity through the first water conveying channel.

Further, the main drain pipe is communicated with the main drain cavity, and the main drain cavity is communicated with the cavity through the second water conveying channel.

Further, the standby drain pipe is communicated with the standby drain cavity, and the standby drain cavity is communicated with the cavity through the second water delivery channel.

Further, the spool valve is slidably coupled to the cavity.

(III) beneficial effects

Compared with the prior art, the utility model provides the valve box of the hydraulic end assembly of the fracturing pump, which has the following beneficial effects:

this fracturing pump fluid end assembly valve box, through reserve drain pipe, control valve and reserve drainage chamber's setting, when the check valve on the main drain pipe took place to damage, directly closed the control valve on the main drain pipe, opened the control valve on the reserve drain pipe, the reserve drain pipe replaced main drain pipe and worked, need not immediately repair and change the check valve that damages this moment, when this fracturing pump fluid end assembly valve box normally shut down the state, repair and change its check valve, therefore can not influence the progress that the time limit for a project was accomplished.

Drawings

FIG. 1 is a schematic diagram of an equivalent structure of the present utility model;

fig. 2 is a schematic cross-sectional view of the present utility model.

In the figure: 1. a fluid end assembly valve housing body; 2. a water inlet pipe; 3. a main drain pipe; 4. a standby drain pipe; 5. a control valve; 6. a high pressure pipe; 7. a cavity; 8. a water inlet cavity; 9. a first water delivery channel; 10. a main drainage cavity; 11. a standby drainage cavity; 12. a second water delivery channel; 13. a one-way valve; 14. and a column valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a valve box for a hydraulic end assembly of a fracturing pump of the present utility model comprises a valve box main body 1 of the hydraulic end assembly, a water inlet pipe 2 is arranged at the bottom of the valve box main body 1 of the hydraulic end assembly, a main water drain pipe 3 and a standby water drain pipe 4 are arranged at the top of the valve box main body 1 of the hydraulic end assembly, a high-pressure pipe 6 is arranged at the top of the main water drain pipe 3 and the standby water drain pipe 4, the main water drain pipe 3 and the standby water drain pipe 4 are communicated with the high-pressure pipe 6, control valves 5 are arranged on the main water drain pipe 3 and the standby water drain pipe 4, a water inlet cavity 8 is arranged at the bottom of the inside of the valve box main body 1 of the hydraulic end assembly, the water inlet pipe 2 is communicated with the water inlet cavity 8 and a cavity 7 through a first water transmission channel 9, a main water drain cavity 10 and a standby water drain cavity 11 are arranged at the top of the inside the valve box main water drain pipe 3 and the main water drain cavity 10 are communicated, the main drain cavity 10 is communicated with the cavity 7 through the second water delivery channel 12, the standby drain pipe 4 is communicated with the standby drain cavity 11, the standby drain cavity 11 is communicated with the cavity 7 through the second water delivery channel 12, the middle part of the inside of the valve box main body 1 of the hydraulic end assembly is provided with the cavity 7, the inside of the cavity 7 is provided with the column valve 14, when the column valve 14 reciprocates in the inside of the cavity 7, the water inlet pipe 2 can be realized, the main drain pipe 3 and the standby drain pipe 4 drain high-pressure water, the column valve 14 and the cavity 7 form sliding connection, the first water delivery channel 9 is arranged between the water inlet cavity 8 and the cavity 7, the second water delivery channel 12 is arranged between the cavity 7 and the main drain cavity 10 as well as the standby drain cavity 11, the water inlet cavity 8, the main drain cavity 10 and the inside of the standby drain cavity 11 are all provided with the one-way valve 13, when the one-way valve 13 on the main drain pipe 3 is damaged, the control valve 5 on the main drain pipe is directly closed, the control valve 5 on the standby drain pipe 4 is opened, the standby drain pipe 4 replaces the main drain pipe 3 to work, at the moment, the damaged one-way valve 13 is not required to be repaired or replaced immediately, and when the valve box of the hydraulic end assembly of the fracturing pump is in a normal stop state, the one-way valve 13 is repaired or replaced, so that the progress of completion of a construction period is not influenced.

In summary, when the valve box of the hydraulic end assembly of the fracturing pump is used, when the column valve 14 moves back and forth in the cavity 7, the water inlet pipe 2 can be realized, the main drain pipe 3 and the standby drain pipe 4 can drain high-pressure water, when the check valve 13 on the main drain pipe 3 is damaged, the control valve 5 on the main drain pipe 3 is directly closed, the control valve 5 on the standby drain pipe 4 is opened, the standby drain pipe 4 replaces the main drain pipe 3 to work, and at the moment, the damaged check valve 13 is not required to be repaired or replaced immediately, and when the valve box of the hydraulic end assembly of the fracturing pump is in a normal stop state, the check valve 13 is repaired or replaced, so that the progress of completion of a construction period cannot be influenced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fracturing pump fluid end assembly valve box, includes fluid end assembly valve box main part (1), its characterized in that: the bottom of fluid end assembly valve box main part (1) is provided with inlet tube (2), the top of fluid end assembly valve box main part (1) is provided with main drain pipe (3) and reserve drain pipe (4), the top of main drain pipe (3) and reserve drain pipe (4) is provided with high-pressure pipe (6), all be provided with control valve (5) on main drain pipe (3) and the reserve drain pipe (4), the inside bottom of fluid end assembly valve box main part (1) is provided with inlet chamber (8), the inside top of fluid end assembly valve box main part (1) is provided with main drainage chamber (10), reserve drainage chamber (11), the inside middle part of fluid end assembly valve box main part (1) is provided with cavity (7), the inside of cavity (7) is provided with column valve (14), be provided with first water delivery channel (9) between inlet chamber (8) and cavity (7), be provided with second water delivery channel (12) between cavity (10), reserve drainage chamber (11), inlet chamber (8) and reserve drainage chamber (11) are provided with check valve (13).

2. The fracturing pump fluid end assembly valve manifold of claim 1, wherein: the main drain pipe (3) and the standby drain pipe (4) are communicated with the high-pressure pipe (6).

3. The fracturing pump fluid end assembly valve manifold of claim 1, wherein: the water inlet pipe (2) is communicated with the water inlet cavity (8), and the water inlet cavity (8) is communicated with the cavity (7) through the first water delivery channel (9).

4. The fracturing pump fluid end assembly valve manifold of claim 1, wherein: the main drain pipe (3) is communicated with the main drain cavity (10), and the main drain cavity (10) is communicated with the cavity (7) through the second water delivery channel (12).

5. The fracturing pump fluid end assembly valve manifold of claim 1, wherein: the standby drain pipe (4) is communicated with the standby drain cavity (11), and the standby drain cavity (11) is communicated with the cavity (7) through a second water delivery channel (12).

6. The fracturing pump fluid end assembly valve manifold of claim 1, wherein: the column valve (14) and the cavity (7) are connected in a sliding way.