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CN-224228840-U - Valve box, hydraulic end and pump

CN224228840UCN 224228840 UCN224228840 UCN 224228840UCN-224228840-U

Abstract

The application discloses a valve box, a hydraulic end and a pump, and relates to the fields of oil gas, mines and the like. A valve box comprises a plurality of valve box modules, wherein the valve box modules are arranged along a first direction, each valve box module is provided with a main channel, a liquid inlet channel and a liquid discharge channel, the main channels extend along a second direction and are used for accommodating valve seats, valve assemblies and plungers of hydraulic ends in the second direction, the liquid discharge channels extend along a third direction, and the main channels are respectively communicated with the liquid discharge channels and the liquid inlet channels. The application can solve the problems of high maintenance or replacement difficulty, high cost and the like of the integral valve box.

Inventors

  • LI XIAOBIN
  • GUAN BAOGUO
  • WEI XIAOSONG
  • SUN YANJING

Assignees

  • 烟台杰瑞石油装备技术有限公司

Dates

Publication Date
20260512
Application Date
20250516

Claims (12)

  1. 1. A valve box is characterized by comprising a plurality of valve box modules (10 a); a plurality of valve box modules (10 a) are arranged along a first direction; Each valve box module (10 a) is provided with a main channel (11), a liquid inlet channel (13) and a liquid outlet channel (12), wherein the main channel (11) extends along a second direction and is used for accommodating a valve seat, a valve assembly and a plunger of a hydraulic end in the second direction, the liquid outlet channel (12) extends along a third direction, and the main channel (11) is respectively communicated with the liquid outlet channel (12) and the liquid inlet channel (13).
  2. 2. Valve box according to claim 1, characterized in that said main channel (11) comprises a high pressure chamber (11 a), a low pressure chamber (11 b) and an alternating chamber (11 c) communicating in sequence along said second direction; The liquid discharge channel (12) is communicated with the high-pressure cavity (11 a); Along the second direction, the liquid inlet channel (13) is positioned at one side of the liquid discharge channel (12) close to the alternating cavity (11 c), and the liquid inlet channel (13) is communicated with the low-pressure cavity (11 b); The alternating chamber (11 c) is used for moving in or out of the plunger.
  3. 3. Valve box according to claim 2, characterized in that the direction of extension of the feed channel (13) deviates from the third direction.
  4. 4. A valve housing according to claim 3, characterized in that the feed channel (13) extends obliquely in the third direction and towards the side close to the alternating chamber (11 c).
  5. 5. The valve box according to claim 1, characterized in that each valve box module (10 a) comprises a valve box portion and a packing box portion, the valve box portion being provided integrally with the packing box portion or separately.
  6. 6. A fluid end comprising a manifold block (20) and a valve box (10) according to any one of claims 1 to 5; the collecting block (20) is provided with a collecting channel (21), and the liquid discharge channels (12) of the valve box modules (10 a) are respectively communicated with the collecting channel (21).
  7. 7. A fluid end according to claim 6, characterised in that the collecting channel (21) extends in the first direction and is provided with a drain (211) at least one end of the first direction.
  8. 8. The fluid end according to claim 6, characterized in that said manifold block (20) is further provided with a plurality of flow dividing channels (22), a plurality of said flow dividing channels (22) being arranged along said first direction; Each of the split channels (22) communicates with the corresponding drain channel (12) and the collector channel (21).
  9. 9. The fluid end of claim 8, further comprising a plurality of bushings (30), each bushing (30) being disposed at a junction of a respective drain channel (12) and the shunt channel (22), and an interior cavity of the bushing (30) communicating the drain channel (12) with the shunt channel (22).
  10. 10. The fluid end according to claim 9, characterized in that it further comprises a sealing member (50), said sealing member (50) being sealingly connected between said bushing (30) and said drain channel (12) and between said bushing (30) and said shunt channel (22), respectively.
  11. 11. The fluid end of claim 6, further comprising a plurality of fasteners (40), a plurality of said fasteners (40) securely connecting said manifold block (20) and said valve housing (10).
  12. 12. A pump comprising a fluid end as claimed in any one of claims 6 to 11.

Description

Valve box, hydraulic end and pump Technical Field The application belongs to the technical fields of oil gas, mines and the like, and particularly relates to a valve box, a hydraulic end and a pump. Background In the related art, some hydraulic ends adopt an integral valve box structure, intersecting lines are formed among a valve cavity, a liquid inlet channel and a liquid outlet channel respectively, stress concentration phenomenon is easy to occur at the intersecting lines, the valve box is easy to crack from the intersecting lines, the service life of the valve box is reduced, and in addition, along with long-time operation of the hydraulic ends, high-pressure fracturing fluid can produce erosion phenomenon on the intersecting lines of the valve box, so that the valve box needs to be maintained or replaced. However, because of the use of the integral valve box, the entire valve box needs to be maintained or replaced, which not only increases the difficulty of maintenance or replacement, but also increases the cost. Disclosure of utility model The embodiment of the application aims to provide a valve box, a hydraulic end and a pump, which can solve the problems of high maintenance or replacement difficulty, high cost and the like of an integral valve box. In order to solve the technical problems, the application is realized as follows: the embodiment of the application provides a valve box, which comprises a plurality of valve box modules; a plurality of valve box modules are arranged along a first direction; Each valve box module is provided with a main channel, a liquid inlet channel and a liquid discharge channel, wherein the main channel extends along a second direction and is used for accommodating a valve seat, a valve assembly and a plunger of a hydraulic end in the second direction, the liquid discharge channel extends along a third direction, and the main channel is respectively communicated with the liquid discharge channel and the liquid inlet channel. The embodiment of the application also provides a hydraulic end which comprises a collecting block and the valve box; the collecting block is provided with a collecting channel, and the liquid discharge channels of the valve box modules are respectively communicated with the collecting channel. The embodiment of the application also provides a pump which comprises the hydraulic end. The valve box in the embodiment of the application adopts a mode of combining a plurality of valve box modules to replace an integral valve box in the related art, so that when a local area of the valve box is damaged, the valve box modules can be independently maintained or replaced without maintaining or replacing the whole valve box, and the maintenance or replacement difficulty and cost can be reduced. Drawings FIG. 1 is a schematic cross-sectional view of a valve housing according to an embodiment of the present application; FIG. 2 is a schematic transverse cross-sectional view of a fluid end of a first form of the disclosure in accordance with an embodiment of the application; FIG. 3 is a schematic longitudinal cross-sectional view of a fluid end of a first form of the disclosure in accordance with an embodiment of the application; FIG. 4 is a schematic cross-sectional view of a manifold block according to an embodiment of the present application; FIG. 5 is a schematic transverse cross-sectional view of a fluid end of a second form of the disclosure in accordance with an embodiment of the application; FIG. 6 is a schematic transverse cross-sectional view of a third form of fluid end disclosed in an embodiment of the present application; Fig. 7 is a schematic cross-sectional view along A-A in fig. 5 or a schematic cross-sectional view along B-B in fig. 6. Reference numerals illustrate: 10 a-valve box module; 11-main channel, 11 a-high pressure chamber, 11 b-low pressure chamber, 11 c-alternating chamber; 12-a liquid discharge channel; 13-a liquid inlet channel; 20-collecting block; 21-collecting channel, 211-liquid outlet, 22-dividing channel; 30-bushing, 40-fastener, 50-seal. Detailed Description The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described her