CN2542396Y - Valve seat pulling tool for plunger displacement pump of fracturing truck - Google Patents
Valve seat pulling tool for plunger displacement pump of fracturing truck Download PDFInfo
- Publication number
- CN2542396Y CN2542396Y CN 02214072 CN02214072U CN2542396Y CN 2542396 Y CN2542396 Y CN 2542396Y CN 02214072 CN02214072 CN 02214072 CN 02214072 U CN02214072 U CN 02214072U CN 2542396 Y CN2542396 Y CN 2542396Y
- Authority
- CN
- China
- Prior art keywords
- displacement pump
- valve seat
- pulling force
- plunger displacement
- pulling
- 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 - Fee Related
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a pulling-out tool of valve seat base de valvula of fracturing truck displacement pump used in petroleum industry, and is suitable to be used in the maintaining of the valve seat base de valvula of fracturing truck displacement pump and in the maintaining field with high output pressure displacement pump and low output pressure displacement pump. The utility model consists of a screw rod, a screw cap and a hydraulic actuating cylinder; wherein, the hydraulic actuating cylinder is arranged in the screw cap; a tension power chuck is sleeved on an exergenie which is connected with the screw rod which is provided with a screw cap. The utility model can maximumly make use of space, has an intensity which is twice higher, and can finish the replacement of the pulling-out tool of valve seat base de valvula under 90Mpa. The utility model has the advantages of wide application range, simple operation, time-saving and labor-saving property and long using life.
Description
Technical field
The utility model relates to repairing facility of special vehicle, particularly fracturing unit truck plunger displacement pump valve seat is pulled out instrument, be applicable to petroleum industry underground fracture vehicle plunger displacement pump valve seat maintenance and have the high output pressure plunger displacement pump and the maintenance place of low output pressure plunger displacement pump.
Technical background
In the underground fracture operation of petroleum industry, extensively adopt fracturing unit truck to drive high-pressure plunger pump down-hole formation is carried out fracturing work, particularly sand control treatment, when proppant is injected in the down-hole, high-pressure plunger pump bears the pressure height, and proppant is to inlet valve and dump valve serious wear.Inlet valve and dump valve are made up of valve seat and valve body, and plunger displacement pump uses 2-3 mouth well just to need to change pump valve usually, at this moment just need pull out valve seat.The valve seat of plunger displacement pump tightens on the fluid end pump head body of fracturing unit truck plunger displacement pump by self-lock force, when the pressure of fluid end reaches 70Mpa, calculates through mechanical analysis, needs 70 tons pulling force to pull out valve seat.Owing to be subjected to spatial constraints, the instrument of pulling out also claims chest expander, and volume can not be done greatly, must bear elevated pressures again simultaneously.Common plunger displacement pump is pulled out instrument because of there being problem such as insufficient strength on the structural design, causes the valve seat of plunger displacement pump can not pull, and the service life of instrument is short.
Summary of the invention
The purpose of this utility model is to make fracturing unit truck plunger displacement pump valve seat to pull out instrument, overcomes defective of the prior art, makes the instrument of pulling out in light weight, and intensity is big, adapts to the replacing demand of fracturing unit truck valve seat.
The present technique solution can reach above-mentioned purpose: fracturing unit truck plunger displacement pump valve seat is pulled out instrument, is made up of leading screw, nut and hydraulic cylinder etc., and hydraulic cylinder is contained in the nut, and the pulling force chuck is set on the pulling force body, and the pulling force body is connected with the leading screw that nut is housed.
The utility model is compared with the existing instrument of pulling out, and has following advantage: 1, compact conformation, reasonable, pulling force chuck lifting surface area is big, the intensity height.This instrument has maximally utilised the space, and intensity doubles, and can satisfy the replacing of pulling out of the following plunger displacement pump valve seat of 90Mpa.2, applied widely, can not only be used for the fracturing unit truck of petroleum industry, also can be used for the maintain and replace of high output pressure plunger displacement pump and low output pressure plunger displacement pump.3, easy and simple to handle, time saving and energy saving, long service life.
Description of drawings
Accompanying drawing is the utility model structure, scheme of installation.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description: referring to accompanying drawing, this is a width of cloth structure, scheme of installation, and what need pull out is valve seat 4.The fracturing unit truck plunger displacement pump valve seat instrument of pulling out is made up of leading screw 5, nut 6 and hydraulic cylinder etc., and hydraulic cylinder is contained in the nut 6, and pulling force chuck 3 is set on the pulling force body 1, and pulling force body 1 is connected with the leading screw 5 that nut 6 is housed.Pulling force body 1 is spindle, and there is through hole in central authorities, and shouldering 5 end internal diameters that are connected with silk has screw thread; Its middle part external diameter is provided with groove, interior dress pulling force chuck 3.The top of pulling force body 1 two fixing holes that are crisscross arranged rotate with leading screw 5 when preventing that pulling force body 1 from being turned by leading screw 5.Pulling force chuck 3 is made up of 2 or several piece pulling claw, and the combination external diameter of every pulling claw is provided with caulking groove, interior dress rubber ring 2; The combination internal diameter of pulling force chuck 3 is trumpet-shaped tapered bore, and the cone at its tapering and leading screw 5 tops matches.Leading screw 5 one ends are installed nut 6, and the top that the other end is connected with pulling force body 1 is a cone.During use, earlier pulling claw is put into pulling force body 1, rubber ring 2 is put into the caulking groove of pulling claw combination external diameter again, fixedly pulling claw makes it to come out, and becomes pulling force chuck 3.Leading screw 5 is screwed on the pulling force body 1, by the time pulling claw is when falling below the valve seat 4, rotational lead screw 5 struts pulling force chuck 3, tightens nut 6, with hydraulic cylinder valve seat 4 is pulled out to get final product.
Claims (5)
1, fracturing unit truck plunger displacement pump valve seat is pulled out instrument, have leading screw (5), nut (6) and hydraulic cylinder, hydraulic cylinder is contained in the nut (6), it is characterized in that pulling force chuck (3) is set on the pulling force body (1), and pulling force body (1) is connected with the leading screw that nut (6) are housed (5).
2, fracturing unit truck plunger displacement pump valve seat according to claim 1 is pulled out instrument, it is characterized in that pulling force body (1) is spindle, and there is through hole in central authorities, and an end internal diameter that is connected with leading screw (5) has screw thread; Its middle part external diameter is provided with groove, interior dress pulling force chuck (3).
3, fracturing unit truck plunger displacement pump valve seat according to claim 1 and 2 is pulled out instrument, the top that it is characterized in that pulling force body (1) two fixing holes that are crisscross arranged.
4, fracturing unit truck plunger displacement pump valve seat according to claim 1 is pulled out instrument, it is characterized in that pulling force chuck (3) is made up of 2 or several piece pulling claw, and the combination external diameter of every pulling claw is provided with caulking groove, interior dress rubber ring (2); The combination internal diameter of pulling force chuck (3) is trumpet-shaped tapered bore, and the cone at its tapering and leading screw (5) top matches.
5, fracturing unit truck plunger displacement pump valve seat according to claim 1 is pulled out instrument, it is characterized in that leading screw (5) one ends installation nut (6), and the other end is a cone with the top that pulling force body (1) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02214072 CN2542396Y (en) | 2002-04-13 | 2002-04-13 | Valve seat pulling tool for plunger displacement pump of fracturing truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02214072 CN2542396Y (en) | 2002-04-13 | 2002-04-13 | Valve seat pulling tool for plunger displacement pump of fracturing truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2542396Y true CN2542396Y (en) | 2003-04-02 |
Family
ID=33693468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02214072 Expired - Fee Related CN2542396Y (en) | 2002-04-13 | 2002-04-13 | Valve seat pulling tool for plunger displacement pump of fracturing truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2542396Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367807A (en) * | 2021-12-14 | 2022-04-19 | 烟台杰瑞石油装备技术有限公司 | Drawing device and drawing system |
| CN115446772A (en) * | 2022-09-28 | 2022-12-09 | 北京奥菲德油气科技有限公司 | Valve seat extractor |
-
2002
- 2002-04-13 CN CN 02214072 patent/CN2542396Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367807A (en) * | 2021-12-14 | 2022-04-19 | 烟台杰瑞石油装备技术有限公司 | Drawing device and drawing system |
| CN114367807B (en) * | 2021-12-14 | 2023-03-14 | 烟台杰瑞石油装备技术有限公司 | Drawing device and drawing system |
| CN115446772A (en) * | 2022-09-28 | 2022-12-09 | 北京奥菲德油气科技有限公司 | Valve seat extractor |
| CN115446772B (en) * | 2022-09-28 | 2024-05-24 | 北京奥菲德油气科技有限公司 | Valve seat extractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |