CN210050020U - Bimetallic cylinder sleeve for petroleum slurry pump - Google Patents
Bimetallic cylinder sleeve for petroleum slurry pump Download PDFInfo
- Publication number
- CN210050020U CN210050020U CN201822181524.1U CN201822181524U CN210050020U CN 210050020 U CN210050020 U CN 210050020U CN 201822181524 U CN201822181524 U CN 201822181524U CN 210050020 U CN210050020 U CN 210050020U
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- China
- Prior art keywords
- sleeve
- annular
- annular clamping
- clamping block
- outer sleeve
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- Expired - Fee Related
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Abstract
The utility model relates to a bimetal cylinder sleeve for oil slush pump belongs to oil slush pump spare part technical field. The device comprises an outer sleeve and an inner sleeve sleeved in the outer sleeve through hot fitting, wherein the outer sleeve and the inner sleeve are in interference fit, two ends of the inner wall of the outer sleeve are provided with clamping grooves, the distance between the two clamping grooves is consistent with the length of the inner sleeve, and a plurality of annular clamping blocks used for limiting the inner sleeve are arranged in the clamping grooves; the end surface of the outer sleeve is provided with a countersunk screw for fixing the annular clamping block; the end face of the annular clamping block is provided with a threaded hole matched with the countersunk head screw; the width of the annular clamping block is larger than the depth of the clamping groove. The utility model discloses a set up the draw-in groove and set up annular fixture block in the draw-in groove at overcoat both ends, can carry on spacingly to the endotheca, prevent that the slush pump from in the use, the phenomenon that drops appears in bimetallic cylinder sleeve's endotheca, has improved the security of using, has prolonged bimetallic cylinder sleeve's life. The utility model discloses simple structure, the production equipment of being convenient for, the security performance is good, and comprehensive performance is good.
Description
Technical Field
The utility model relates to a bimetal cylinder sleeve for oil slush pump belongs to oil slush pump spare part technical field.
Background
The mud pump is the 'heart' of the oil field drilling system, and the mud pump cylinder sleeve is an important easily-worn part of the hydraulic end of the mud pump, so the service life of the mud pump cylinder sleeve directly influences the service life of the mud pump. The working surface of the cylinder sleeve is contacted with high-temperature and high-pressure gas, and a piston ring reciprocates at a high speed on the surface of the working surface of the cylinder sleeve, so that the cylinder sleeve is required to have enough strength and rigidity and must also resist high temperature, corrosion and abrasion.
The bimetallic cylinder sleeve is the most widely used at present and is one of the most used hydraulic end fittings of the slurry pump. The bimetallic cylinder sleeve combines the advantages of a hot-forging high-wear outer sleeve and a high-chromium wear-resistant corrosion-resistant inner sleeve, the outer sleeve is formed by hot-pressing high-quality carbon steel in one step, the inner sleeve is formed by centrifugal casting of high-chromium cast iron, the outer sleeve has tensile strength higher than 900000psi, the hardness of the inner sleeve after heat treatment reaches more than HRC62, the inner sleeve can bear the mud pressure of 7000psi, the inner surface of the inner sleeve is as smooth as a mirror, the dimensional tolerance of an inner hole is strict, and the normal service life can reach more than.
The bimetallic cylinder sleeve is assembled by hot fitting, and in the working process, the piston ring reciprocates in the bimetallic sleeve, and the bimetallic sleeve bears the axial impact force. In actual use, the inner sleeve often falls off, which affects the safety of use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bimetal cylinder sleeve for oil slurry pump solves above-mentioned technical problem.
In order to realize the purpose, the utility model discloses a technical scheme is:
a bimetallic cylinder sleeve for a petroleum slurry pump comprises an outer sleeve and an inner sleeve sleeved in the outer sleeve through hot fitting, wherein the outer sleeve and the inner sleeve are in interference fit, two ends of the inner wall of the outer sleeve are provided with clamping grooves, the distance between the two clamping grooves is consistent with the length of the inner sleeve, and a plurality of annular clamping blocks used for limiting the inner sleeve are arranged in the clamping grooves; the end surface of the outer sleeve is provided with a countersunk screw for fixing the annular clamping block; the end face of the annular clamping block is provided with a threaded hole matched with the countersunk head screw; the width of the annular clamping block is larger than the depth of the clamping groove.
The utility model discloses technical scheme's further improvement lies in: 2-3 annular clamping blocks are arranged in each clamping groove; and each annular clamping block is fixed by using 2-3 countersunk head screws.
The utility model discloses technical scheme's further improvement lies in: 2 annular clamping blocks are arranged in each clamping groove; each annular fixture block is fixed by using 2 countersunk head screws.
The utility model discloses technical scheme's further improvement lies in: the width of the annular clamping block is 3-4 mm greater than the depth of the clamping groove.
Since the technical scheme is used, the utility model discloses the technological effect who gains has:
the utility model discloses a set up the draw-in groove and set up annular fixture block in the draw-in groove at overcoat both ends, can carry on spacingly to the endotheca, prevent that the slush pump from in the use, the phenomenon that drops appears in the endotheca of bimetal cylinder liner, improved the security of using.
The utility model discloses an annular fixture block sets up in groups, and every group sets up 2 or 3, and annular fixture block 4 is formed by the cutting of ring partition, not only is convenient for produce, moreover can be convenient install in the draw-in groove.
The utility model discloses use countersunk screw to fix annular fixture block in the draw-in groove, guaranteed the stable installation of annular fixture block to make its can full play to the limiting displacement of endotheca.
The utility model discloses simple structure, the production equipment of being convenient for, the security performance is good, can prolong the life of bimetal cylinder liner, guarantees the safety and stability operation of oil slush pump, and comprehensive performance is good.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the outer cover of the present invention;
the device comprises a shell, an outer sleeve, an inner sleeve, a clamping groove, an annular clamping block, a clamping groove and a countersunk head screw, wherein the outer sleeve is 1, the inner sleeve is 2, the inner sleeve is 3, the clamping groove is 4, the annular clamping block is 5, and the countersunk head.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments:
the utility model discloses a bimetal cylinder sleeve for petroleum slurry pump belongs to petroleum slurry pump spare part wherein. The utility model discloses bimetal cylinder liner to current improves. The following are specific examples:
the utility model discloses a bimetal cylinder liner for petroleum slurry pump, as shown in figure 1, figure 2, including overcoat 1 with through the endotheca 2 of hot dress suit in overcoat 1, be interference fit between overcoat 1 and the endotheca 2, can realize the equipment of overcoat 1 and endotheca 2 through the hot dress. The outer sleeve 1 has good tensile strength, and the inner sleeve 2 has good strength and wear resistance.
The utility model discloses the improvement to bimetal cylinder liner lies in, has set up fixed measure to endotheca 2, prevents that endotheca 2 from removing in the use and droing. Specifically, clamping grooves 3 are formed in two ends of the inner wall of the outer sleeve 1, and annular clamping blocks 4 are arranged in the clamping grooves 3. The distance between the two clamping grooves 3 is consistent with the length of the inner sleeve 2, so that the distance between the inner end surfaces of the left and right groups of annular clamping blocks 4 is consistent with the length of the inner sleeve 2, and the inner sleeve 2 can be limited. The annular fixture blocks 4 are arranged in groups, each group of annular fixture blocks 4 is 2 or 3, and 2-3 annular fixture blocks 4 are arranged in each clamping groove 3. Generally, the annular fixture block 4 is cut equally from a circular ring. As shown in fig. 1, 2 and 3.
The utility model discloses still set up the countersunk screw 5 that is used for fixed annular fixture block 4 at 1 terminal surface of overcoat, corresponding set up at 4 terminal surfaces of annular fixture block and be used for with countersunk screw 5 complex screw hole. The annular clamping block 4 is fixed in the clamping groove 3 by using a countersunk head screw 5. The width of annular fixture block 4 is greater than the degree of depth of draw-in groove 3, and when annular fixture block 4 was installed in draw-in groove 3 promptly, its medial surface can bulge the inner wall of overcoat 1 to carry on spacingly to endotheca 2. In specific implementation, the width of the annular clamping block 4 is 3-4 mm greater than the depth of the clamping groove 3.
In a specific implementation, each annular clamping block 4 is preferably fixed by using 2-3 countersunk head screws 5.
As shown in fig. 1 and 2, a case where 2 annular fixture blocks 4 are provided in each of the fixture grooves 3, and a case where each of the annular fixture blocks 4 is fixed by using 2 countersunk head screws 5 are provided.
The utility model discloses a set up the draw-in groove and set up annular fixture block in the draw-in groove at overcoat both ends, can carry on spacingly to the endotheca, prevent that the slush pump from in the use, the phenomenon that drops appears in bimetallic cylinder sleeve's endotheca, has improved the security of using, has prolonged bimetallic cylinder sleeve's life.
The utility model discloses simple structure, the production equipment of being convenient for, the security performance is good, and comprehensive performance is good.
Claims (4)
1. The utility model provides a petroleum slurry pump is with bimetal cylinder liner, includes overcoat (1) and endotheca (2) of suit in overcoat (1) through the heat, is interference fit between overcoat (1) and endotheca (2), its characterized in that: clamping grooves (3) are formed in two ends of the inner wall of the outer sleeve (1), the distance between the two clamping grooves (3) is consistent with the length of the inner sleeve (2), and an annular clamping block (4) used for limiting the inner sleeve (2) is arranged in each clamping groove (3); the end surface of the outer sleeve (1) is provided with a plurality of countersunk head screws (5) for fixing the annular clamping block (4); the end face of the annular clamping block (4) is provided with a threaded hole matched with the countersunk head screw (5); the width of the annular clamping block (4) is larger than the depth of the clamping groove (3).
2. The bimetallic cylinder sleeve for an oil mud pump as set forth in claim 1, wherein: 2-3 annular clamping blocks (4) are arranged in each clamping groove (3); each annular clamping block (4) is fixed by using 2-3 countersunk head screws (5).
3. The bimetallic cylinder sleeve for an oil mud pump as set forth in claim 2, wherein: 2 annular clamping blocks (4) are arranged in each clamping groove (3); each annular clamping block (4) is fixed by 2 countersunk head screws (5).
4. The bimetallic cylinder sleeve for the petroleum slurry pump as in any one of claims 1 to 3, wherein: the width of the annular clamping block (4) is 3-4 mm greater than the depth of the clamping groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822181524.1U CN210050020U (en) | 2018-12-18 | 2018-12-18 | Bimetallic cylinder sleeve for petroleum slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822181524.1U CN210050020U (en) | 2018-12-18 | 2018-12-18 | Bimetallic cylinder sleeve for petroleum slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210050020U true CN210050020U (en) | 2020-02-11 |
Family
ID=69376204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822181524.1U Expired - Fee Related CN210050020U (en) | 2018-12-18 | 2018-12-18 | Bimetallic cylinder sleeve for petroleum slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210050020U (en) |
-
2018
- 2018-12-18 CN CN201822181524.1U patent/CN210050020U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 Termination date: 20201218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |