CN116398423A - Hydraulic torque light combined valve cover of reciprocating pump - Google Patents

Hydraulic torque light combined valve cover of reciprocating pump Download PDF

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Publication number
CN116398423A
CN116398423A CN202310555158.4A CN202310555158A CN116398423A CN 116398423 A CN116398423 A CN 116398423A CN 202310555158 A CN202310555158 A CN 202310555158A CN 116398423 A CN116398423 A CN 116398423A
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CN
China
Prior art keywords
valve
reciprocating pump
hydraulic
valve cover
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310555158.4A
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Chinese (zh)
Inventor
张逢时
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baoji Ruizhi Petroleum Machinery Fittings Co ltd
Original Assignee
Baoji Ruizhi Petroleum Machinery Fittings Co ltd
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Filing date
Publication date
Application filed by Baoji Ruizhi Petroleum Machinery Fittings Co ltd filed Critical Baoji Ruizhi Petroleum Machinery Fittings Co ltd
Priority to CN202310555158.4A priority Critical patent/CN116398423A/en
Publication of CN116398423A publication Critical patent/CN116398423A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10Valves; Arrangement of valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

The invention belongs to the technical field of reciprocating pump equipment, in particular to a hydraulic torque light combined valve cover of a reciprocating pump, aiming at the problem that the loosening phenomenon of a valve gland in the middle of operation can occur when the existing valve rod guide is laboriously and time-consuming in disassembly and assembly, the invention provides a scheme that a piston is arranged in the valve cover, a plug is arranged above the piston, a first check ring, a second check ring, an elastic check ring for a shaft, a first O-shaped ring and a second O-shaped ring are arranged on the piston, a quick connector is arranged on the valve cover, a sealing gasket for an internal thread is arranged on the quick connector, a valve rod guide is arranged in the valve cover, a baffle is arranged in the valve cover, a bolt is arranged on the baffle, a gland plug assembly and a valve guide sleeve are arranged in the valve cover body in a matched manner, and a hydraulic check valve is arranged on the gland plug assembly.

Description

Hydraulic torque light combined valve cover of reciprocating pump
Technical Field
The invention relates to the technical field of reciprocating pump equipment, in particular to a hydraulic torque light combined valve cover of a reciprocating pump.
Background
The reciprocating pump is applied to pumping mixed fluid such as slurry, sewage and the like in the fields of petroleum, chemical industry, construction and the like, and the main body of the reciprocating pump is composed of a power end and a hydraulic end. The hydraulic end comprises a hydraulic cylinder, a cylinder sleeve, a valve gland, a piston rod, a spray pump and the like, wherein the valve gland is a sealing element which is frequently disassembled, the valve gland is flexible and portable, the service life determines the production efficiency and the labor intensity of workers, and the valve gland used by the conventional reciprocating pump, particularly the drilling mud pump, has the following defects in research work for many years: 1. the valve gland sleeve is made of carbon steel, so that the valve gland sleeve is excessively heavy, easy to disassemble, labor-consuming and long in service life, easy to corrode, excessively high in labor intensity and low in working efficiency; 2. the gland suite is divided into parts such as a gland, a plug, a valve guide sleeve, a plug sealing ring and the like, and the scattered assembly time is too long; 3. the rated working pressure of the general reciprocating pump is 35MP, the highest test pressure reaches 53MP, the torque of the gland screw for pressing the valve cover is required to reach 26000NM, if two people apply force with a strong force by using a manual wrench to push up 2000N, a torque rod with the length of 13 meters is required, even if the reciprocating pump is manually hammered for fastening, the torque rod is difficult to reach the value, the torque value can not be measured to reach the due torque value, so that the phenomenon of looseness of the valve gland in the middle of operation can occur, and therefore, the hydraulic torque light combined valve cover of the reciprocating pump is provided.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, the disassembly and assembly are laborious and time-consuming, and the looseness phenomenon of a valve gland in the middle of operation can occur, and provides a hydraulic torque light combined valve cover of a reciprocating pump.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a reciprocating pump hydraulic torque light combination valve gap, includes the lid, be provided with the piston in the lid, the piston top is provided with the plug, be provided with first retaining ring, second retaining ring, circlip for the axle, first O shape circle and second O shape circle on the piston, be provided with quick-operation joint on the lid, be provided with sealing washer for the internal thread on the quick-operation joint, be provided with valve rod director in the lid, be provided with the baffle in the lid, be provided with the bolt on the baffle.
Preferably, the cover body is provided with a gland plug assembly and a valve guide sleeve in a matching way, the gland plug assembly is provided with a hydraulic one-way valve, and the hydraulic one-way valve is connected with a hand pump.
Preferably, the cover body is provided with a pressing screw plug spanner in a matched mode, and the pressing screw plug spanner is matched with the screw plug.
Preferably, the cover body is internally provided with a steel wire and a hydraulic cylinder, and the valve rod guide is provided with a spring guide.
In the invention, the hydraulic torque light combined valve cover of the reciprocating pump has the beneficial effects that: according to the hydraulic torque light combined valve cover assembly of the reciprocating pump, disclosed by the invention, the high-strength light materials such as aluminum alloy or carbon fiber materials or PVC (polyvinyl chloride) are used for manufacturing, and the light corrosion-resistant materials are used for replacing carbon steel, so that the service life is prolonged; in addition, the technical scheme reduces the labor intensity of replacing and disassembling the valve and improves the working efficiency; according to the valve gland plug assembly manufactured by high-strength light materials such as aluminum alloy or carbon fiber materials or PVC, and the like, which is disclosed by the invention, the hydraulic fastening piston is matched, so that the fastening torque becomes firm and quantifiable, and the valve replacement is more convenient and labor-saving; the hydraulic torque light combined valve cover assembly of the reciprocating pump is made of high-strength light materials such as aluminum alloy or carbon fiber materials or PVC, can be designed to save materials and process, has improved performance, does not increase the price, and has the comprehensive effects of saving cost, long service life, saving labor and time and low labor intensity.
The valve gland is firmly installed, so that the valve gland is time-saving and labor-saving in disassembly, low in cost and long in service life, and saves labor and labor intensity.
Drawings
FIG. 1 is a schematic diagram of a main sectional structure of a hydraulic torque lightweight combination valve cover for a reciprocating pump according to the present invention;
fig. 2 is a schematic perspective view of a hydraulic torque light combined valve cover of a reciprocating pump according to the present invention.
In the figure: 1. a piston; 2. a cover body; 3. plugging; 4. a first retainer ring; 5. the second check ring; 6. a sealing gasket for internal threads; 7. a quick connector; 8. circlips for shafts; 9. a first O-ring; 10. a second O-ring; 11. a valve stem guide; 12. a baffle; 13. a bolt; 14. a steel wire; 15. guiding a spring; 16. a hydraulic cylinder; 17. a hand pump; 18. gland plug assembly; 19. a valve guide sleeve; 20. a hydraulic one-way valve; 21. and pressing a screwed plug wrench.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
Referring to fig. 1, a hydraulic torque light combined valve cover of a reciprocating pump comprises a cover body 2, wherein a piston 1 is arranged in the cover body 2, a plug 3 is arranged above the piston 1, a first check ring 4, a second check ring 5, an elastic check ring 8 for a shaft, a first O-shaped ring 9 and a second O-shaped ring 10 are arranged on the piston 1, a quick connector 7 is arranged on the cover body 2, a sealing gasket 6 for internal threads is arranged on the quick connector 7, a valve rod guide 11 is arranged in the cover body 2, a baffle 12 is arranged in the cover body 2, and bolts 13 are arranged on the baffle 12.
Referring to fig. 1, a steel wire 14 and a hydraulic cylinder 16 are arranged in a cover body 2, a spring guide 15 is arranged on a valve rod guide 11, and the hydraulic cylinder 16 is arranged to enable installation to be firmer.
Referring to fig. 2, the cover body 2 is provided with a gland plug assembly 18 and a valve guide sleeve 19 in a matching way, the gland plug assembly 18 is provided with a hydraulic check valve 20, and the hydraulic check valve 20 is connected with a hand pump 17.
Referring to fig. 2, the cover body 2 is provided with a press-fastening screw plug wrench 21 in a matched manner, the press-fastening screw plug wrench 21 is matched with the screw plug 3, and the press-fastening screw plug wrench 21 is convenient for disassembling and assembling the screw plug 3.
In the embodiment, hydraulic oil is pumped into the piston 1 to compress the screw thread of the cover body 2, and then screwed into the screwed plug 3 to realize compression fixation, and the hydraulic oil is pumped into the quick connector 7 through the hand pump 17; when the screw plug 3 is installed, the screw plug 3 is screwed manually, then the hand pump 17 is connected with the hydraulic one-way valve 20 for oiling, when the pressure reaches 40-50MP, the oil pumping is stopped, the screw plug 3 is screwed by the screw plug pressing wrench 21, and the installation work is finished; when the valve gland is disassembled, the hand pump 17 is connected with the hydraulic one-way valve 20 to be opened, the pressure relief oil return valve of the hand pump 17 is used for relieving the pressure of the valve gland, the screwed plug 3 is unscrewed, and the gland is unscrewed.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (4)

1. The utility model provides a reciprocating pump hydraulic torque light combination valve gap, includes lid (2), its characterized in that, be provided with piston (1) in lid (2), piston (1) top is provided with plug (3), be provided with first retaining ring (4), second retaining ring (5), circlip (8) for the axle on piston (1), first O shape circle (9) and second O shape circle (10), be provided with quick-operation joint (7) on lid (2), be provided with sealing washer (6) for the internal thread on quick-operation joint (7), be provided with valve rod director (11) in lid (2), be provided with baffle (12) in lid (2), be provided with bolt (13) on baffle (12).
2. The hydraulic torque light combined valve cover of the reciprocating pump according to claim 1, wherein a steel wire (14) and a hydraulic cylinder (16) are arranged in the cover body (2), and a spring guide (15) is arranged on the valve rod guide (11).
3. The hydraulic torque light combined valve cover of the reciprocating pump according to claim 1, wherein a gland plug assembly (18) and a valve guide sleeve (19) are arranged on the cover body (2), a hydraulic one-way valve (20) is arranged on the gland plug assembly (18), and a hand pump (17) is connected to the hydraulic one-way valve (20).
4. The hydraulic torque light combined valve cover of the reciprocating pump according to claim 1, wherein one side of the cover body (2) is provided with a press-buckling screwed wrench (21), and the press-buckling screwed wrench (21) is matched with the screwed plug (3).
CN202310555158.4A 2023-05-17 2023-05-17 Hydraulic torque light combined valve cover of reciprocating pump Pending CN116398423A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310555158.4A CN116398423A (en) 2023-05-17 2023-05-17 Hydraulic torque light combined valve cover of reciprocating pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310555158.4A CN116398423A (en) 2023-05-17 2023-05-17 Hydraulic torque light combined valve cover of reciprocating pump

Publications (1)

Publication Number Publication Date
CN116398423A true CN116398423A (en) 2023-07-07

Family

ID=87009008

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310555158.4A Pending CN116398423A (en) 2023-05-17 2023-05-17 Hydraulic torque light combined valve cover of reciprocating pump

Country Status (1)

Country Link
CN (1) CN116398423A (en)

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