CN204113630U - A kind of polymerization ball sealing configuration - Google Patents

A kind of polymerization ball sealing configuration Download PDF

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Publication number
CN204113630U
CN204113630U CN201420541981.6U CN201420541981U CN204113630U CN 204113630 U CN204113630 U CN 204113630U CN 201420541981 U CN201420541981 U CN 201420541981U CN 204113630 U CN204113630 U CN 204113630U
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CN
China
Prior art keywords
ball
polymerization
sealing
valve seat
taper
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.)
Expired - Lifetime
Application number
CN201420541981.6U
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Chinese (zh)
Inventor
李建国
张成斌
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.)
Downhole Operation Co Of Cnpc Western Drilling Engineering Co ltd
Shanghai Qinghe Machinery Co ltd
Original Assignee
SHANGHAI QINGHE MACHINERY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI QINGHE MACHINERY CO Ltd filed Critical SHANGHAI QINGHE MACHINERY CO Ltd
Priority to CN201420541981.6U priority Critical patent/CN204113630U/en
Application granted granted Critical
Publication of CN204113630U publication Critical patent/CN204113630U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Details Of Reciprocating Pumps (AREA)
  • Taps Or Cocks (AREA)
  • Check Valves (AREA)

Abstract

The utility model discloses a kind of polymerization ball sealing configuration, it is characterized in that, comprise polymerization ball, match with the sunk part of ball centralizer in the upside of polymerization ball, downside contacts with the taper sealing face of valve seat, taper sealing face is circular arc with the surface of contact being polymerized ball, and both form linear sealing structure.The utility model is with high-precision taper sealing face, valve seat top, coordinate ball centralizer and be polymerized ball, if a Compress Spring controls opening and closing, utilize the spherical surface of polymerization ball, the taper sealing face very high with valve seat top precision coordinates and forms linear sealing, when ensureing plunger pump work suction side and exhaust end unlatching and closed time effective sealing.Spherical structure rationally effectively avoids high-pressure liquid, medium washes away to polymerization ball the bad seals caused, and the utility model has the advantage of convenience quick for installation, simple and reasonable, safe and reliable, durable.

Description

A kind of polymerization ball sealing configuration
Technical field
The utility model relates to a kind of polymerization ball sealing configuration of fracturing unit truck hydraulic end of plunger pump accessory.
Background technique
Traditional valve body structure is the rapid wear accessory that in hydraulic end of plunger pump sap cavity, opening and closing is conventional; Due to the narrow limitation of traditional valve body structure design; According to incompletely statistics, in acid fracturing or sand fracturing work progress, general water horizontal well divides 6-16 level pressure break; If design and construction pressure is at the working condition fracturing of 50-80Mpa, the valve body that just must more renew at 8 hours in working life of valve body assembly; If design and construction are under the working condition of 90-135Mpa, the working life of valve body just must be changed at 4 hours; Run at each level equipment of pressure break and too about need 2 hours, pressing crack construction as complete in water horizontal well gets off, and accumulative fracturing unit truck runs too about 12-32 hour, at least needs termination of pumping disassembling, assembling and replacing valve body 2-4 time; This situation brings extreme difficulties and labor intensity to user job scene.The working life of therefore improving valve body is current global fluid end MANUFACTURER and client dreams of and urgent need to solve the problem.Particularly China will enter the shale gas exploitation epoch, more needs to improve the labor intensity that valve body reduces easily damaged parts user cost, increases work efficiency, saves replacing construction, alleviates workmen working life.
Tradition valve body sealing configuration as shown in Figure 1, with 30 ° of very high sealing oblique angles 2 of valve seat 1 top precision, coordinate valve body 3 and valve rubber 4, if a cone compresses spring 5 controls to open and coordinate, utilize 30 ° of sealing inclined-planes 6 of valve rubber, sealing oblique angle 2 with very high 30 ° of valve seat 1 top precision coordinates forming surface to seal, ensure plunger pump work time suction side and exhaust end unlatching and closed time effective sealing, but this sealing structure mode, the gap only 1.2 ~ 1.8mm that is sealed and matched between valve rubber and valve body tapering inclined-plane, high pressure in long-time fracturing work process washes away, wearing and tearing, general will the inefficacy at 4-8 hours of corrosion is scrapped.
Following situation is usually there is in the valve body structure of currently available technology in using process:
1, the valve pawl of valve body has the risk of pawl, main cause be body former with valve pawl be docked by the weldering mode that rubs, there is rosin joint phenomenon, to fracturing work scene bring safety draw trouble;
2, during hydraulic end of plunger pump work, valve body band high pressure is opened with closed frequency very high up and down, and high-pressure fluid medium (draws together glue, silica sand, ceramsite sand) flow velocity is also quickly, be easy to wash away and cause valve rubber to lose efficacy, use valve body firmly to collide and hit valve seat matrix work conical surface generation damage.If replacing can directly affecting punching tears clack box not in time, consequence is not very imagined.
Summary of the invention
To be solved in the utility model is that existing valve body structure easily damages, and valve pawl exists the problem of pawl danger
In order to solve the problem, the utility model provides a kind of polymerization ball sealing configuration, it is characterized in that, comprise polymerization ball, match with the sunk part of ball centralizer in the upside of polymerization ball, downside contacts with the taper sealing face of valve seat, and taper sealing face is circular arc with the surface of contact being polymerized ball, and both form linear sealing structure.
The valve body of traditional design redesigns by the utility model, utilize polymerization ball to coordinate with valve seat inner taper face and form linear sealing principle, design a kind of high hardness, the new shape of high wear resistance is polymerized ball sealing configuration and suction valve gap, discharge coordinating to assemble and using of valve gap; Utilize the principle that the piston reciprocating type of plunger pump runs, change sap cavity plot ratio ratio, under making polymerization ball suck the effect of low-pressure cavity volume self-suction by hydrodynamic pressure and pump, polymerization ball and valve seat inner taper face form good linear sealing, make smooth and easy can not the formation of high-pressure liquid circulation be stained with polymerization ball on the surface, thus greatly improve the polymerization ball working life of hydraulic end of plunger pump accessory.
The utility model is with high-precision taper sealing face, valve seat top, coordinate ball centralizer and be polymerized ball, if a Compress Spring controls opening and closing, utilize the spherical surface of polymerization ball, the taper sealing face very high with valve seat top precision coordinates and forms linear sealing, when ensureing plunger pump work suction side and exhaust end unlatching and closed time effective sealing.Spherical structure rationally effectively avoids high-pressure liquid, medium washes away to polymerization ball the bad seals caused, and the utility model has the advantage of convenience quick for installation, simple and reasonable, safe and reliable, durable.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of traditional valve body assembly sealing configuration;
Fig. 2 is the enlarged view of I part in Fig. 1;
A kind of schematic diagram being polymerized ball sealing configuration that Fig. 3 provides for the utility model;
Fig. 4 is the schematic diagram of polymerization ball.
Embodiment
For making the utility model become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
Embodiment
As shown in Figure 3-4, for the one polymerization ball sealing configuration that the utility model provides, it is characterized in that, comprise polymerization ball 10, match with the sunk part of ball centralizer 9 in the upside of polymerization ball 10, downside contacts with the taper sealing face 8 of valve seat 7, and taper sealing face 8 is circular arc with the surface of contact being polymerized ball 10, and both form linear sealing structure.
During installation as shown in Figure 3, high-precision taper sealing face 8, valve seat 7 top, coordinate ball centralizer 9 and be polymerized ball 10, Compress Spring 11 controls opening and closing, utilize the spherical surface of polymerization ball 10, the taper sealing face 8 very high with valve seat 7 top precision coordinates and forms linear sealing, and when ensureing plunger pump work, suction side and the unlatching of exhaust end and effective sealing time closed, avoid high-pressure liquid rationally and effectively, medium washes away to being polymerized ball 10 bad seals caused.

Claims (1)

1. a polymerization ball sealing configuration, it is characterized in that, comprise polymerization ball (10), match with the sunk part of ball centralizer (9) in the upside of polymerization ball (10), downside contacts with the taper sealing face (8) of valve seat (7), taper sealing face (8) is circular arc with the surface of contact being polymerized ball (10), and both form linear sealing structure.
CN201420541981.6U 2014-09-19 2014-09-19 A kind of polymerization ball sealing configuration Expired - Lifetime CN204113630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420541981.6U CN204113630U (en) 2014-09-19 2014-09-19 A kind of polymerization ball sealing configuration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420541981.6U CN204113630U (en) 2014-09-19 2014-09-19 A kind of polymerization ball sealing configuration

Publications (1)

Publication Number Publication Date
CN204113630U true CN204113630U (en) 2015-01-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420541981.6U Expired - Lifetime CN204113630U (en) 2014-09-19 2014-09-19 A kind of polymerization ball sealing configuration

Country Status (1)

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CN (1) CN204113630U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110131081A (en) * 2019-04-02 2019-08-16 中国北方发动机研究所(天津) A kind of diesel engine air inlet system Rapid water drain valve
CN112502962A (en) * 2020-11-30 2021-03-16 东营市垦利博锐石油机械有限公司 Hydraulic end assembly convenient to mount

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110131081A (en) * 2019-04-02 2019-08-16 中国北方发动机研究所(天津) A kind of diesel engine air inlet system Rapid water drain valve
CN112502962A (en) * 2020-11-30 2021-03-16 东营市垦利博锐石油机械有限公司 Hydraulic end assembly convenient to mount

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170122

Address after: 834000 Karamay Road, the Xinjiang Uygur Autonomous Region, No. 34

Patentee after: DOWNHOLE OPERATION COMPANY OF CNPC WESTERN DRILLING ENGINEERING Co.,Ltd.

Patentee after: SHANGHAI QINGHE MACHINERY Co.,Ltd.

Address before: Germany 201802 Shanghai Jiading District Nanxiang Town Road No. 268

Patentee before: SHANGHAI QINGHE MACHINERY Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20150121