CN213684487U - Novel high-power seven-cylinder plunger pump case - Google Patents
Novel high-power seven-cylinder plunger pump case Download PDFInfo
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- CN213684487U CN213684487U CN202022370714.5U CN202022370714U CN213684487U CN 213684487 U CN213684487 U CN 213684487U CN 202022370714 U CN202022370714 U CN 202022370714U CN 213684487 U CN213684487 U CN 213684487U
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Abstract
The utility model provides a novel high-power seven-cylinder plunger pump case, including crankcase body, connecting rod crosshead box and pull rod, the inside parallel equidistance of crankcase body is provided with the main bearing seat mounting panel, main bearing seat has been welded at the corresponding position on the main bearing seat mounting panel, the quantity of main bearing seat mounting panel is 8, 8 the axle center of main bearing seat is on same water flat line, 8 the both sides of main bearing seat mounting panel are installed the handhole door connecting plate and square flange board respectively, the inside equidistance welding of connecting rod crosshead box has the connection gusset, the quantity of connection gusset is 8, this novel high-power seven-cylinder plunger pump case adopts the modularization component structure through the structure optimization design, divide the pump case into crankcase body, connecting rod crosshead box and pull rod triplex, divide the piece and weld and process, the processing and welding process is simplified, the bottleneck of production difficulty is reduced, the deformation is reduced, and the processing precision and the production efficiency are improved.
Description
Technical Field
The utility model relates to a plunger pump technical field specifically is a novel seven jar plunger pump casings of high-power.
Background
The pump shell is a key part for bearing, supporting and power transmission of parts such as a speed reducing mechanism, a connecting rod crosshead kinematic pair and a bearing in the fracturing pump, complex load impact is always borne, the stability and reliability of the pump shell directly determine the use condition of the fracturing pump, the working condition requirement of high-pressure large-displacement continuous fracturing operation is increasingly vigorous along with the vigorous development of a shale gas market in recent years, the existing three-cylinder or five-cylinder fracturing pump is limited by small displacement, dozens of high-power fracturing equipment are required to meet the high-pressure large-displacement operation requirement of shale gas field fracturing construction, the shale gas reservoir in China is mostly located in mountainous areas, the area of the well site is limited, and the layout is difficult.
For solving the problem, the utility model provides a novel seven jar plunger pump casings of high-power through improving fracturing pump unit output displacement to satisfy shale gas fracturing pump high-power, high pressure, big discharge, long-time continuous operation operating mode demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel seven jar plunger pump cases of high-power to solve the problem that proposes in the above-mentioned background art, the utility model discloses a configuration optimization designs, adopts modularization block structure, divide into bent axle box, connecting rod cross head box and pull rod triplex with the pump case, divides the piece to weld and process, simplifies the processing welding process, reduces the production degree of difficulty bottleneck, reduces and warp, improves machining precision and production efficiency.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a novel high-power seven-cylinder plunger pump shell comprises a crankshaft box body, a connecting rod crosshead box body and a pull rod, wherein main bearing seat mounting plates are arranged in the crankshaft box body in parallel and at equal intervals, main bearing seats are welded at corresponding positions on the main bearing seat mounting plates, the number of the main bearing seat mounting plates is 8, the axle centers of the main bearing seats are on the same horizontal line, the number of the main bearing seat mounting plates is 8, manhole cover connecting plates and a square flange plate are respectively installed on two sides of each main bearing seat mounting plate, connecting rib plates are welded at equal intervals in the connecting rod crosshead box body, the number of the connecting rib plates is 8, two cylinder sleeves are installed between the connecting rib plates in a welding mode, the number of the cylinder sleeves is 7, the central axis of each cylinder sleeve is located on the same horizontal plane, and a flange connecting plate I and a flange connecting plate II are, and a pull rod is arranged in the pull rod threaded hole.
As an optimal implementation mode of the utility model, the bottom fixed mounting of crankcase body has the base, the quantity of base is 6, the welding has square pipe between the base.
As a preferred embodiment of the present invention, the end face of the square flange plate is a finish-machined end face, one side of the square flange plate is provided with a pull rod threaded hole and a bolt hole, and one side of the bolt hole is provided with an O-shaped sealing groove.
As an optimal implementation mode of the utility model, the terminal surface of flange joint board one and flange joint board two is the finish machining terminal surface, the pull rod mounting hole has been seted up to correspondence on flange joint board one, flange joint board two and the connecting rod cross head box.
As a preferred embodiment of the present invention, the connecting rod cross head box is fixedly connected to the crankcase body through a bolt, an O-ring is installed between the crankcase body and the connecting rod cross head box, and the O-ring is installed in the O-ring sealing groove.
As an optimal implementation mode of the utility model, two symmetrical welding has the circular arc connecting plate between the main bearing seat mounting panel, the quantity of circular arc connecting plate is 14, bottom the welding of the bottom of circular arc connecting plate has the oil collecting box.
The utility model has the advantages that: the utility model relates to a novel seven jar plunger pump casings of high-power include main bearing seat, main bearing seat mounting panel, circular arc connecting plate, manhole cover connecting plate, square flange board, collect oil box, base, cylinder liner, flange joint board one, flange joint board two, connection gusset, pull rod, bolt, O type sealing washer, connecting rod cross head box, bent axle box.
1. The utility model discloses a compare traditional triplex pump and quintuplet pump case, adopt odd multi-cylinder design theory, propose seven jar plunger pump case structural style, for follow-up oil field seven jar big discharge capacity, low sprint, the development and the application of the special plunger pump of high-power shale gas provide the design basis.
2. The utility model discloses a through configuration optimization design, the pump case adopts the modularization to constitute the structure, and block welding process simplifies the processing welding process, reduces the production degree of difficulty bottleneck, reduces and warp, improves machining precision and production efficiency.
Drawings
FIG. 1 is a sectional view of a novel high-power seven-cylinder plunger pump case crankcase of the utility model;
FIG. 2 is a cross-sectional view of the novel high-power seven-cylinder plunger pump casing connecting rod crosshead box body of the utility model;
FIG. 3 is a top view of the pump case of the novel high-power seven-cylinder plunger pump of the present invention;
FIG. 4 is a side view of the pump casing of the novel high-power seven-cylinder plunger pump of the present invention;
in the figure: 1. a main bearing housing; 2. a main bearing seat mounting plate; 3. a circular arc connecting plate; 4. a manhole cover connecting plate; 5. a square flange plate; 6. an oil collecting box; 7. a base; 8. a cylinder liner; 9. a first flange connecting plate; 10. a second flange connecting plate; 11. connecting a rib plate; 12. a pull rod; 13. a bolt; 14. an O-shaped sealing ring; 15. a connecting rod crosshead box body; 16. a crankcase body.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution: a novel high-power seven-cylinder plunger pump shell comprises a crankcase body 16, a connecting rod crosshead case body 15 and a pull rod 12, wherein main bearing seat mounting plates 2 are arranged in the crankcase body 16 in parallel and at equal intervals, main bearing seats 1 are welded at corresponding positions on the main bearing seat mounting plates 2, the number of the main bearing seat mounting plates 2 is 8, 8 the axes of the main bearing seats 1 are on the same horizontal line, 8 manhole cover connecting plates 4 and a square flange plate 5 are respectively installed on two sides of each main bearing seat mounting plate 2, connecting rib plates 11 are welded at the inner equal intervals of the connecting rod crosshead case body 15, the number of the connecting rib plates 11 is 8, two cylinder sleeves 8 are installed between the connecting rib plates 11 in a welding mode, the number of the cylinder sleeves 8 is 7, the central axis of the cylinder sleeves 8 is located on the same horizontal plane, a flange connecting plate I9 and a flange II 10 are respectively installed at two ends of the connecting rod crosshead case body 15, the pump casing is divided into a crankcase assembly, a connecting rod crosshead case assembly and a pull rod, and is welded and processed in blocks, so that the processing and welding process is simplified, and the precision of the pump casing is improved.
As a preferred embodiment of the utility model, the bottom fixed mounting of crankcase 16 has base 7, the quantity of base 7 is 6, the welding has square pipe between the base 7, improves the stability of this pump case.
As a preferred embodiment of the present invention, the end face of the square flange plate 5 is a finish-machined end face, one side of the square flange plate 5 is provided with a pull rod threaded hole and a bolt hole, and one side of the bolt hole is provided with an O-shaped seal groove, so as to conveniently fix the crankcase 16 and the connecting rod crosshead case 15.
As an optimal implementation mode of the utility model, the terminal surface of flange joint board one 9 and flange joint board two 10 is the finish machining terminal surface, the pull rod mounting hole has been seted up, easy to assemble pull rod 12 to the correspondence on flange joint board one 9, flange joint board two 10 and the connecting rod cross head box 15.
As a preferred embodiment of the present invention, the crankcase 16 and the connecting rod crosshead case 15 are fixedly connected by a bolt 13, an O-ring 14 is installed between the crankcase 16 and the connecting rod crosshead case 15, the O-ring 14 is installed inside an O-ring seal groove, and the sealing performance of the crankcase 16 and the connecting rod crosshead case 15 is improved.
As an optimal implementation mode of the utility model, two symmetrical welding has circular arc connecting plate 3 between main bearing housing mounting panel 2, the quantity of circular arc connecting plate 3 is 14, the bottom the welding of the bottom of circular arc connecting plate 3 has an album oil box 6, and the convenience is fixed main bearing housing mounting panel 2, can collect lubricating oil.
When the novel high-power seven-cylinder plunger pump shell is produced, a crankcase body 16 is fixed through a clamp, main bearing seat mounting plates 2 are welded in the crankcase body 16 at equal intervals, arc connecting plates 3 are welded between the main bearing seat mounting plates 2, a main bearing seat 1 is welded on the main bearing seat mounting plates 2, manhole cover connecting plates 4 and square flange plates 5 are installed on two sides of the crankcase body 16 and are fixed with the manhole cover connecting plates 4 and the square flange plates 5, a pull rod 12 is installed on one side of the square flange plates 5 through a pull rod screw hole, rib plates 11 are welded in the connecting rod crosshead box body 15, a cylinder sleeve 8 is welded between the connecting rib plates 11, a flange connecting plate I9 and a flange connecting plate II 10 are respectively installed on two sides of a connecting rod crosshead box body 15, the flange connecting plate 9 is close to the square flange plates 5, the pull rod 12 penetrates through a pull rod mounting hole, and an O-shaped sealing ring is, install flange joint plate 9 in the one side of putting flange plate 5 through the effect of bolt 13 and bolt hole, this novel seven jar plunger pump cases of high-power pass through configuration optimization design, adopt the modularization to constitute the structure, divide into bent axle box 16, connecting rod cross head box 15 and pull rod 12 triplex with the pump case, divide the piece to weld and process, simplify processing welding process, reduce the production degree of difficulty bottleneck, reduce the deformation, improve machining precision and production efficiency.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a novel high-power seven jar plunger pump casings, includes crankcase (16), connecting rod crosshead box (15) and pull rod (12), its characterized in that, the parallel equidistance in inside of crankcase (16) is provided with main bearing seat mounting panel (2), the welding of the position department of correspondence on main bearing seat mounting panel (2) has main bearing seat (1), the quantity of main bearing seat mounting panel (2) is 8, 8 the axle center of main bearing seat (1) is on same water flat line, 8 manhole cover connecting plate (4) and square flange board (5) are installed respectively to the both sides of main bearing seat mounting panel (2), the welding of the inside equidistance of connecting rod crosshead box (15) has connection gusset (11), the quantity of connecting gusset (11) is 8, two connect and install cylinder liner (8) with the welded mode between gusset (11), the quantity of cylinder liner (8) is 7, the central axis of cylinder liner (8) is located same horizontal plane, flange connection board one (9) and flange connection board two (10) are installed respectively to the both ends of connecting rod cross head box (15), the internally mounted of pull rod screw hole has pull rod (12).
2. The novel high-power seven-cylinder plunger pump shell as claimed in claim 1, wherein: the bottom fixed mounting of bent axle box (16) has base (7), the quantity of base (7) is 6, the welding has square pipe between base (7).
3. The novel high-power seven-cylinder plunger pump shell as claimed in claim 1, wherein: the end face of the square flange plate (5) is a finish-machined end face, one side of the square flange plate (5) is provided with a pull rod threaded hole and a bolt hole, and one side of the bolt hole is provided with an O-shaped sealing groove.
4. The novel high-power seven-cylinder plunger pump shell as claimed in claim 1, wherein: the end faces of the first flange connecting plate (9) and the second flange connecting plate (10) are finish-machined end faces, and pull rod mounting holes are correspondingly formed in the first flange connecting plate (9), the second flange connecting plate (10) and the connecting rod crosshead box body (15).
5. The novel high-power seven-cylinder plunger pump shell as claimed in claim 3, characterized in that: through bolt (13) fixed connection between crankcase body (16) and connecting rod crosshead box body (15), install O type sealing washer (14) between crankcase body (16) and connecting rod crosshead box body (15), the inside at the O type seal groove is installed in O type sealing washer (14).
6. The novel high-power seven-cylinder plunger pump shell as claimed in claim 1, wherein: two symmetrical welding has circular arc connecting plate (3) between main bearing seat mounting panel (2), the quantity of circular arc connecting plate (3) is 14, the bottom the welding of the bottom of circular arc connecting plate (3) has collection oil box (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022370714.5U CN213684487U (en) | 2020-10-22 | 2020-10-22 | Novel high-power seven-cylinder plunger pump case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022370714.5U CN213684487U (en) | 2020-10-22 | 2020-10-22 | Novel high-power seven-cylinder plunger pump case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684487U true CN213684487U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022370714.5U Active CN213684487U (en) | 2020-10-22 | 2020-10-22 | Novel high-power seven-cylinder plunger pump case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213684487U (en) |
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2020
- 2020-10-22 CN CN202022370714.5U patent/CN213684487U/en active Active
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