CN204253356U - New-type mortar pump liner - Google Patents
New-type mortar pump liner Download PDFInfo
- Publication number
- CN204253356U CN204253356U CN201420741733.6U CN201420741733U CN204253356U CN 204253356 U CN204253356 U CN 204253356U CN 201420741733 U CN201420741733 U CN 201420741733U CN 204253356 U CN204253356 U CN 204253356U
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- CN
- China
- Prior art keywords
- inner sleeve
- overcoat
- annular shoulder
- new
- shoulder block
- 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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Abstract
The utility model provides the cylinder sleeve of mud pump, it solves short problem in existing metal cylinder sleeve of mud pump for petroleum drilling working life.The cylinder sleeve of this mud pump comprises inner sleeve all cylindrically and overcoat, inner sleeve is fixed in overcoat by friction tight mode, the outer side wall of overcoat has protrusion and tubular connecting cylinder, connecting cylinder madial wall has annular shoulder block and annular shoulder block and inner sleeve wherein an end face is relative, screw end through annular shoulder block and with inner sleeve bolt.The cylinder sleeve of this mud pump has the advantage of long service life.
Description
Technical field
the utility model belongs to and relates to a kind of slurry pump, particularly new-type mortar pump liner.
Background technique
current employing high speed, high-pressure jet drilling technique are the inevitable choices of oil field drilling development trend.And the slurry pump of high reliability can only be utilized.Slurry pump is the heart of oil drilling worktable, and cylinder sleeve and piston are the friction pairs in slurry pump key mechanism.Due to the severe (pump pressure 17 ~ 35Mpa of working condition; piston jig frequency 100 ~ 120 beats/min; friction temperature 70 ~ 170 DEG C; mud sand content 3-5%; and in alkaline PH9-10) make the working life of slurry pump extremely short; easily shut down replacing, have a strong impact on drilling efficiency, cause again raw material to consume the serious waste with equipment man-hour in a large number.Therefore, improving the working life of cylinder sleeve, is the requisite measure improving drilling efficiency and economic benefit.
a kind of metal cylinder sleeve of mud pump for petroleum drilling [application number: 201120096110.4 disclosed in Chinese patent storehouse; Authorization Notice No.: CN 202007775 U], Metallic cylinder is set to split-type structural, comprises internal layer cylinder sleeve and outer cylinder sleeve is two-layer, and be interference fit between internal layer cylinder sleeve and outer cylinder sleeve, one end of described outer cylinder sleeve is provided with stopping-receding bench.Described internal layer cylinder sleeve is high carbon and chromium wear-resistant alloy layer.Described outer cylinder sleeve is carbon steel layer.
owing to being be connected mutually by the mode of interference fit between above-mentioned outer cylinder sleeve and internal layer cylinder sleeve, when Long-Time Service, internal layer cylinder sleeve can move relative to overcoat, and inner sleeve still can be caused to come off from outer cylinder sleeve.
Summary of the invention
the purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of new-type mortar pump liner of long service life.
the purpose of this utility model realizes by following technical proposal: new-type mortar pump liner, comprise inner sleeve all cylindrically and overcoat, described inner sleeve is fixed in overcoat by friction tight mode, it is characterized in that, the outer side wall of described overcoat has protrusion and tubular connecting cylinder, described connecting cylinder madial wall has annular shoulder block and described annular shoulder block and described inner sleeve wherein an end face is relative, screw end through annular shoulder block and with described inner sleeve bolt.
in use, the piston of slurry pump can be close to inner sleeve madial wall and slide and inner sleeve is had depart from the trend of overcoat.And by screw annular shoulder block and inner sleeve be connected mutually inner sleeve and overcoat are held together, thus avoid the risk that inner sleeve comes off from outer cover, improve the working life of this new-type mortar pump liner.
in above-mentioned new-type mortar pump liner, described connecting cylinder and described overcoat are formed by same material once-through.
namely connecting cylinder and overcoat are integral structures, further increase the firmness connected between inner sleeve and overcoat, then further increase the working life of this new-type mortar pump liner; Meanwhile, connecting cylinder and overcoat adopt integral structure, make the installation of this new-type mortar pump liner more for convenience.
in above-mentioned new-type mortar pump liner, described connecting cylinder has two and lays respectively at described overcoat two ends.
annular shoulder block in one of them connecting cylinder is wherein connected one end mutually by screw and inner sleeve, annular shoulder block in another connecting cylinder is also connected mutually by screw and the inner sleeve the other end, thus the further high firmness connected between inner sleeve and overcoat, then further increase the working life of this new-type mortar pump liner.
in above-mentioned new-type mortar pump liner, the axial length of described inner sleeve is equal with the axial length of overcoat, and described inner sleeve end face and overcoat end face flush.
by above-mentioned design, farthest increase the area of contact of jacket and inner sleeve, thus make the connection of inner sleeve and overcoat more firm, thus further increase the working life of this new-type mortar pump liner.
in above-mentioned new-type mortar pump liner, a sealing gasket is in the form of a ring equipped with between each described annular shoulder block and described inner sleeve, and sealing pad is positioned at described inner sleeve and the joint of overcoat, described sealing gasket one end and annular shoulder block madial wall offset, and the described sealing gasket the other end offsets with the end face of inner sleeve and overcoat respectively.
by arranging sealing gasket in the joint of inner sleeve and overcoat, the connection between inner sleeve and overcoat is made to keep good sealing, thus avoid, the impurity such as water enters between inner sleeve and overcoat, affect the firmness connected between inner sleeve and overcoat, thus further increase the working life of this new-type mortar pump liner.Meanwhile, under the effect of screw, can there is deformation in sealing gasket, makes the connection between inner sleeve and overcoat keep better sealing, thus further increase the working life of this new-type mortar pump liner.
in above-mentioned new-type mortar pump liner, described annular shoulder block madial wall is a conical surface, and the radius of this annular shoulder block madial wall increases gradually to inner sleeve direction.
by arranging tapered annular shoulder block madial wall, leading role is played to putting into of sealing gasket, sealing gasket can be entered between annular shoulder block and inner sleeve more swimmingly, the connection between inner sleeve and overcoat is made to keep good sealing, thus avoid, the impurity such as water enters between inner sleeve and overcoat, affect the firmness connected between inner sleeve and overcoat, thus further increase the working life of this new-type mortar pump liner.
compared with prior art, this new-type mortar pump liner has the following advantages:
1, by screw annular shoulder block and inner sleeve be connected mutually inner sleeve and overcoat are held together, thus avoid the risk that inner sleeve comes off from outer cover, improve the working life of this new-type mortar pump liner;
2, connecting cylinder and overcoat are integral structures, further increase the firmness connected between inner sleeve and overcoat, then further increase the working life of this new-type mortar pump liner; Meanwhile, connecting cylinder and overcoat adopt integral structure, make the installation of this new-type mortar pump liner more for convenience;
3, by arranging sealing gasket in the joint of inner sleeve and overcoat, the connection between inner sleeve and overcoat is made to keep good sealing, thus avoid, the impurity such as water enters between inner sleeve and overcoat, affect the firmness connected between inner sleeve and overcoat, thus further increase the working life of this new-type mortar pump liner.
Accompanying drawing explanation
fig. 1 is the structural representation of this new-type mortar pump liner;
fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
in figure, 1, overcoat; 1a, connecting cylinder; 1a1, annular shoulder block; 2, inner sleeve; 3, screw; 4, sealing gasket.
Embodiment
be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
as shown in Figure 1, this new-type mortar pump liner is made up of inner sleeve 2 all cylindrically and overcoat 1, and wherein, inner sleeve 2 is connected mutually by friction tight mode and overcoat 1, and inner sleeve 2 is made up of high carbon and chromium wear resistant alloy material, and overcoat 1 is made up of carbon steel material.
specifically, the axial length of inner sleeve 2 is equal with the axial length of overcoat 1, and corresponding with on the overcoat 1 respectively both ends of the surface of the both ends of the surface of inner sleeve 2 flush, thus the area of contact of inner sleeve 2 and overcoat 1 is maximized, and makes the connection of inner sleeve 2 and overcoat 1 more firm.
overcoat 1 outer side wall has protrusion and connecting cylinder 1a cylindrically, and this connecting cylinder 1a and inner sleeve 2 are coaxially arranged.Connecting cylinder 1a madial wall has annular shoulder block 1a1 and this annular shoulder block 1a1 and inner sleeve 2 wherein an end face is relative, screw 3 end is passed annular shoulder block 1a1 and is screwed in inner sleeve 2, inner sleeve 2 and overcoat 1 are held together, thus avoids the risk that inner sleeve 2 comes off from overcoat 1.Further optimization, connecting cylinder 1a has two and lays respectively at overcoat 1 two ends, in each connecting cylinder 1a, all there is annular shoulder block 1a1, and each annular shoulder block 1a1 is all connected with inner sleeve 2 mutually by some screws 3, thus further increase the firmness connected between inner sleeve 2 and overcoat 1, then further increase the working life of this new-type mortar pump liner.
in the present embodiment, connecting cylinder 1a and overcoat 1 are formed by same material once-through.Namely connecting cylinder 1a and overcoat 1 are integral structures, further increase the firmness connected between inner sleeve 2 and overcoat 1, then further increase the working life of this new-type mortar pump liner; Meanwhile, connecting cylinder 1a and overcoat 1 adopt integral structure, make the installation of this new-type mortar pump liner more for convenience.
as shown in Figure 2, between each annular shoulder block 1a1 and inner sleeve corresponding thereto 2 end face, be equipped with a sealing gasket 4, sealing gasket 4 in the form of a ring and sealing pad 4 is positioned at the joint of inner sleeve 2 and overcoat 1, thus by the joint sealing of inner sleeve 2 and overcoat 1.Sealing gasket 4 one end and annular shoulder block 1a1 madial wall offset, and sealing pad 4 the other end offsets with the end face of inner sleeve 2 and overcoat 1 respectively, thus avoid, the impurity such as water enters between inner sleeve 2 and overcoat 1.Simultaneously under the effect of screw 3, can there is deformation in sealing gasket 4, make the connection between inner sleeve 2 and overcoat 1 keep better sealing, thus further increase the working life of this new-type mortar pump liner.
further optimization, annular shoulder block 1a1 madial wall is a conical surface, and the radius of this conical surface increases gradually to inner sleeve 2 direction, thus leading role is played to putting into of sealing gasket 4, make sealing gasket 4 can enter between annular shoulder block 1a1 and inner sleeve 2 more swimmingly, the connection between inner sleeve 2 and overcoat 1 is made to keep good sealing, thus avoid, the impurity such as water enters between inner sleeve 2 and overcoat 1, affect the firmness connected between inner sleeve 2 and overcoat 1, thus further increase the working life of this new-type mortar pump liner.
specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (6)
1. new-type mortar pump liner, comprise inner sleeve all cylindrically and overcoat, described inner sleeve is fixed in overcoat by friction tight mode, it is characterized in that, the outer side wall of described overcoat has protrusion and tubular connecting cylinder, described connecting cylinder madial wall has annular shoulder block and described annular shoulder block and described inner sleeve wherein an end face is relative, screw end through annular shoulder block and with described inner sleeve bolt.
2. new-type mortar pump liner according to claim 1, is characterized in that, described connecting cylinder and described overcoat are formed by same material once-through.
3. new-type mortar pump liner according to claim 1 and 2, is characterized in that, described connecting cylinder has two and lays respectively at described overcoat two ends.
4. new-type mortar pump liner according to claim 3, is characterized in that, the axial length of described inner sleeve is equal with the axial length of overcoat, and described inner sleeve end face and overcoat end face flush.
5. new-type mortar pump liner according to claim 4, it is characterized in that, a sealing gasket is in the form of a ring equipped with between each described annular shoulder block and described inner sleeve, and sealing pad is positioned at described inner sleeve and the joint of overcoat, described sealing gasket one end and annular shoulder block madial wall offset, and the described sealing gasket the other end offsets with the end face of inner sleeve and overcoat respectively.
6. new-type mortar pump liner according to claim 5, is characterized in that, described annular shoulder block madial wall is a conical surface, and the radius of this annular shoulder block madial wall increases gradually to inner sleeve direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741733.6U CN204253356U (en) | 2014-12-02 | 2014-12-02 | New-type mortar pump liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741733.6U CN204253356U (en) | 2014-12-02 | 2014-12-02 | New-type mortar pump liner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253356U true CN204253356U (en) | 2015-04-08 |
Family
ID=52957672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420741733.6U Expired - Fee Related CN204253356U (en) | 2014-12-02 | 2014-12-02 | New-type mortar pump liner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738639A (en) * | 2021-09-30 | 2021-12-03 | 江苏枫烨机械制造有限公司 | High-strength durable ceramic cylinder sleeve for slurry pump |
-
2014
- 2014-12-02 CN CN201420741733.6U patent/CN204253356U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738639A (en) * | 2021-09-30 | 2021-12-03 | 江苏枫烨机械制造有限公司 | High-strength durable ceramic cylinder sleeve for slurry pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151202 |
|
| EXPY | Termination of patent right or utility model |