CN212454712U - Five-cylinder high-pressure plunger pump - Google Patents
Five-cylinder high-pressure plunger pump Download PDFInfo
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- CN212454712U CN212454712U CN202021278754.0U CN202021278754U CN212454712U CN 212454712 U CN212454712 U CN 212454712U CN 202021278754 U CN202021278754 U CN 202021278754U CN 212454712 U CN212454712 U CN 212454712U
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Abstract
The utility model discloses a five-cylinder high-pressure plunger pump, which comprises a power end shell, a crosshead, a connecting rod, a crosshead pin, a crosshead sliding sleeve and a lubricating oil pipe, wherein the power end shell is a steel structure welding part and is formed by welding six supporting steel plates and six crankshaft bearing seats; the crosshead is arranged in the middle of a crosshead sliding sleeve in the power end shell, is superposed with the axis of the crosshead sliding sleeve and is in clearance fit with the axis of the crosshead sliding sleeve, and is connected with the connecting rod through a crosshead pin; crosshead, connecting rod are alloy steel forging, and the crosshead is the design of full cylinder, and the surface is equipped with the oil groove, the utility model discloses can compensate the problem that current high-pressure plunger pump reliability is not enough, the life-span is short.
Description
Technical Field
The utility model belongs to the technical field of oil gas exploitation, especially, relate to a five jar high pressure plunger pumps.
Background
The plunger pump is one of the core components of pumping equipment in oil fields, and the plunger pump alternately increases and decreases the working volume in a cylinder through the reciprocating motion of the plunger in the cylinder so as to convey working fluid. The 2500HP plunger pump, which is currently used in the oilfield equipment market, has a stroke of 203.2mm, a maximum link load of about 85.6 tons, and an input power of 2500 HP. Along with present oil field work requirement is higher and higher, and the operating mode is more and more abominable, and to power, pressure, the requirement of discharge capacity constantly improve, continuous operation time is also constantly prolonging, and consequently the not enough problem of 2500HP plunger pump intensity on the existing market is more and more obvious, and the casing fracture, cross head fracture scheduling problem have produced very big influence to normal oil field work, consequently need develop a novel high pressure plunger pump of high strength, high reliability to satisfy present operation demand urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a five jars high pressure plunger pump, the weak point of above-mentioned traditional high pressure plunger pump can be overcome in the use of this equipment, provides a five jars high pressure plunger pump, remedies the problem that current high pressure plunger pump intensity is not enough, the life-span is short.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a five jar high pressure plunger pumps, includes power end casing, cross head, connecting rod, cross head round pin, cross head sliding sleeve, lubricated oil pipe, the power end casing is steel construction welding piece, comprises six supporting steel sheet and six bent axle bearing frame welding, and power end casing front end welding front end plate welds preceding reinforcing plate under the front end plate, and the reinforcing plate welds the back reinforcing plate behind the supporting steel sheet, welds the steel bushing between the supporting steel sheet.
Preferably, a reinforcing rib is welded between the supporting steel plate and the crankshaft bearing seat.
Preferably, the steel sleeve is welded with an upper reinforcing plate, and the steel sleeve is welded with a lower reinforcing plate.
Preferably, the crosshead is installed in the middle of the crosshead sliding sleeve in the power end shell, coincides with the axis of the crosshead sliding sleeve and is in clearance fit, and the crosshead is connected with the connecting rod through a crosshead pin.
Preferably, the crosshead and the connecting rod are made of alloy steel forgings, the crosshead is designed to be a full cylinder, and oil grooves are formed in the outer surface of the crosshead.
Preferably, the crosshead sliding sleeve is cold-mounted in the steel sleeve, and an inner hole of the crosshead sliding sleeve is finely ground.
Preferably, the lubricating oil pipe is installed inside the power end shell.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the power end shell is welded by adopting a steel structure, so that the strength is improved and the service life is prolonged to a certain extent compared with common integrated cast aluminum;
2. the power end shell is provided with the reinforcing plates at the front end and the rear end and the steel sleeve, and the bearing seat is provided with the reinforcing rib, so that the strength is increased, and the risks of shutdown and damage of the plunger pump are reduced to a certain extent;
3. the connecting rod and the crosshead are forged and processed, so that the strength is effectively improved, and the service life can be greatly prolonged;
4. the lubricating oil pipe is arranged in the power end shell, the pipeline sealing performance is good, and dust and sand are prevented.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a five-cylinder high-pressure plunger pump of the present invention;
fig. 2 is an overall sectional view of the five-cylinder high-pressure plunger pump of the present invention;
in the figure: 1. the power end comprises a power end shell, 2, a crosshead, 3, a connecting rod, 4, a crosshead pin, 5, a crosshead sliding sleeve, 6, a lubricating oil pipe, 11, a supporting steel plate, 12, a crankshaft bearing seat, 13, a front end plate, 14, a front reinforcing plate, 15, a rear reinforcing plate, 16, a steel sleeve, 17, an upper reinforcing plate, 18, a lower reinforcing plate, 19 and reinforcing ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Referring to fig. 1-2, the present invention provides a technical solution: a five-cylinder high-pressure plunger pump comprises a power end shell 1, a crosshead 2, a connecting rod 3, a crosshead pin 4, a crosshead sliding sleeve 5 and a lubricating oil pipe 6; the power end shell 1 is a steel structure welding piece and is formed by welding six supporting steel plates 11 and six crankshaft bearing seats 12, a front end plate 13 is welded at the front end of the power end shell 1, a front reinforcing plate 14 is welded below the front end plate 13, a rear reinforcing plate 15 is welded behind the supporting steel plates 11, and a steel sleeve 16 is welded between the supporting steel plates 11. And a reinforcing rib 19 is welded between the supporting steel plate 11 and the crankshaft bearing seat 12. An upper reinforcing plate 17 is welded to the steel jacket 16, and a lower reinforcing plate 18 is welded to the lower portion of the steel jacket 16. Crosshead 2 installs in the middle of crosshead sliding sleeve 5 in power end housing 1, coincides and is clearance fit with the axis of crosshead sliding sleeve 5, and crosshead 2 links together through crosshead pin 4 with connecting rod 3. Crosshead 2, connecting rod 3 are alloy steel forging, and the crosshead is the design of full cylinder, and the surface is equipped with the oil groove. The crosshead sliding sleeve 5 is cold-mounted in the middle of the steel sleeve 16, and an inner hole of the crosshead sliding sleeve 5 is formed by fine grinding. A lubrication oil tube 6 is mounted inside the power end housing 1.
Example 1:
a five-cylinder high-pressure plunger pump comprises a power end shell 1, a crosshead 2, a connecting rod 3, a crosshead pin 4, a crosshead sliding sleeve 5 and a lubricating oil pipe 6; the power end shell 1 is a steel structure welding piece and is formed by welding six supporting steel plates 11 and six crankshaft bearing seats 12, a front end plate 13 is welded at the front end, a front reinforcing plate 14 is welded below the front end plate 13, a rear reinforcing plate 15 is welded behind the supporting steel plates 11, and a steel sleeve 16 is welded between the supporting steel plates 11.
Example 2:
a five-cylinder high-pressure plunger pump comprises a power end shell 1, a crosshead 2, a connecting rod 3, a crosshead pin 4, a crosshead sliding sleeve 5 and a lubricating oil pipe 6; the power end shell 1 is a steel structure welding piece and is formed by welding six supporting steel plates 11 and six crankshaft bearing seats 12, a front end plate 13 is welded at the front end, a front reinforcing plate 14 is welded below the front end plate 13, a rear reinforcing plate 15 is welded behind the supporting steel plates 11, and a steel sleeve 16 is welded between the supporting steel plates 11. And a reinforcing rib 19 is welded between the supporting steel plate 11 and the crankshaft bearing seat 12.
Example 3:
a five-cylinder high-pressure plunger pump comprises a power end shell 1, a crosshead 2, a connecting rod 3, a crosshead pin 4, a crosshead sliding sleeve 5 and a lubricating oil pipe 6; the power end shell 1 is a steel structure welding piece and is formed by welding six supporting steel plates 11 and six crankshaft bearing seats 12, a front end plate 13 is welded at the front end, a front reinforcing plate 14 is welded below the front end plate 13, a rear reinforcing plate 15 is welded behind the supporting steel plates 11, and a steel sleeve 16 is welded between the supporting steel plates 11. An upper reinforcing plate 17 is welded to the steel jacket 16, and a lower reinforcing plate 18 is welded to the lower portion of the steel jacket 16.
Example 4:
a five-cylinder high-pressure plunger pump comprises a power end shell 1, a crosshead 2, a connecting rod 3, a crosshead pin 4, a crosshead sliding sleeve 5 and a lubricating oil pipe 6; the power end shell 1 is a steel structure welding piece and is formed by welding 6 supporting steel plates 11 and 6 crankshaft bearing seats 12, a front end plate 13 is welded at the front end, a front reinforcing plate 14 is welded below the front end plate 13, a rear reinforcing plate 15 is welded behind the supporting steel plates 11, and a steel sleeve 16 is welded between the supporting steel plates 11. Crosshead 2 installs in the middle of crosshead sliding sleeve 5 in power end housing 1, coincides and is clearance fit with the axis of crosshead sliding sleeve 5, and crosshead 2 links together through crosshead pin 4 with connecting rod 3.
Example 5:
a five-cylinder high-pressure plunger pump comprises a power end shell 1, a crosshead 2, a connecting rod 3, a crosshead pin 4, a crosshead sliding sleeve 5 and a lubricating oil pipe 6; the power end shell 1 is a steel structure welding piece and is formed by welding 6 supporting steel plates 11 and 6 crankshaft bearing seats 12, a front end plate 13 is welded at the front end, a front reinforcing plate 14 is welded below the front end plate 13, a rear reinforcing plate 15 is welded behind the supporting steel plates 11, and a steel sleeve 16 is welded between the supporting steel plates 11. Crosshead 2 installs in the middle of crosshead sliding sleeve 5 in power end housing 1, coincides and is clearance fit with the axis of crosshead sliding sleeve 5, and crosshead 2 links together through crosshead pin 4 with connecting rod 3. Crosshead 2, connecting rod 3 are alloy steel forging, and the crosshead is the design of full cylinder, and the surface is equipped with the oil groove.
Example 6:
a five-cylinder high-pressure plunger pump comprises a power end shell 1, a crosshead 2, a connecting rod 3, a crosshead pin 4, a crosshead sliding sleeve 5 and a lubricating oil pipe 6; the power end shell 1 is a steel structure welding piece and is formed by welding 6 supporting steel plates 11 and 6 crankshaft bearing seats 12, a front end plate 13 is welded at the front end, a front reinforcing plate 14 is welded below the front end plate 13, a rear reinforcing plate 15 is welded behind the supporting steel plates 11, and a steel sleeve 16 is welded between the supporting steel plates 11. The crosshead sliding sleeve 5 is cold-mounted in the middle of the steel sleeve 16, and an inner hole of the crosshead sliding sleeve 5 is formed by fine grinding.
Example 7:
a five-cylinder high-pressure plunger pump comprises a power end shell 1, a crosshead 2, a connecting rod 3, a crosshead pin 4, a crosshead sliding sleeve 5 and a lubricating oil pipe 6; the power end shell 1 is a steel structure welding piece and is formed by welding 6 supporting steel plates 11 and 6 crankshaft bearing seats 12, a front end plate 13 is welded at the front end, a front reinforcing plate 14 is welded below the front end plate 13, a rear reinforcing plate 15 is welded behind the supporting steel plates 11, and a steel sleeve 16 is welded between the supporting steel plates 11. A lubrication oil tube 6 is mounted inside the power end housing 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A five-cylinder high-pressure plunger pump comprises a power end shell (1), a crosshead (2), a connecting rod (3), a crosshead pin (4), a crosshead sliding sleeve (5) and a lubricating oil pipe (6); the method is characterized in that: the power end shell (1) is a steel structure welding piece and is formed by welding six supporting steel plates (11) and six crankshaft bearing seats (12), a front end plate (13) is welded at the front end of the power end shell (1), a front reinforcing plate (14) is welded under the front end plate (13), a rear reinforcing plate (15) is welded behind the supporting steel plates (11), and a steel sleeve (16) is welded between the supporting steel plates (11).
2. A five-cylinder high-pressure plunger pump according to claim 1, characterized in that: and reinforcing ribs (19) are welded between the supporting steel plate (11) and the crankshaft bearing seat (12).
3. A five-cylinder high-pressure plunger pump according to claim 1, characterized in that: an upper reinforcing plate (17) is welded on the steel sleeve (16), and a lower reinforcing plate (18) is welded under the steel sleeve (16).
4. A five-cylinder high-pressure plunger pump according to claim 1, characterized in that: crosshead (2) are installed in the middle of crosshead sliding sleeve (5) in power end casing (1), coincide with the axis of crosshead sliding sleeve (5) and be clearance fit, and crosshead (2) link together through crosshead pin (4) with connecting rod (3).
5. The five-cylinder high-pressure plunger pump according to claim 4, characterized in that: crosshead (2), connecting rod (3) are alloy steel forging, and the crosshead is the design of full cylinder, and the surface is equipped with the oil groove.
6. A five-cylinder high-pressure plunger pump according to claim 1, characterized in that: the crosshead sliding sleeve (5) is cold-mounted in the middle of the steel sleeve (16), and an inner hole of the crosshead sliding sleeve (5) is formed by fine grinding.
7. A five-cylinder high-pressure plunger pump according to claim 1, characterized in that: the lubricating oil pipe (6) is arranged inside the power end shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021278754.0U CN212454712U (en) | 2020-07-03 | 2020-07-03 | Five-cylinder high-pressure plunger pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021278754.0U CN212454712U (en) | 2020-07-03 | 2020-07-03 | Five-cylinder high-pressure plunger pump |
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| Publication Number | Publication Date |
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| CN212454712U true CN212454712U (en) | 2021-02-02 |
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| CN202021278754.0U Active CN212454712U (en) | 2020-07-03 | 2020-07-03 | Five-cylinder high-pressure plunger pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024114297A1 (en) * | 2022-11-30 | 2024-06-06 | 烟台杰瑞石油服务集团股份有限公司 | Power end housing for plunger pump and plunger pump comprising power end housing |
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2020
- 2020-07-03 CN CN202021278754.0U patent/CN212454712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024114297A1 (en) * | 2022-11-30 | 2024-06-06 | 烟台杰瑞石油服务集团股份有限公司 | Power end housing for plunger pump and plunger pump comprising power end housing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220815 Address after: South of Taoyuan Street and west of Gaowu Road, Comprehensive Bonded Zone, Weifang City, Shandong Province, 261000 Patentee after: Shandong Le Sicheng Power Machinery Co., Ltd. Address before: No.1 Lanhai Road, hi tech Zone, Yantai City, Shandong Province Patentee before: Shandong Baorun Precision Machinery Manufacturing Co.,Ltd. |
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| TR01 | Transfer of patent right |