CN218817551U - Crankshaft for ultrahigh-pressure and ultra-precision high-pressure pump - Google Patents
Crankshaft for ultrahigh-pressure and ultra-precision high-pressure pump Download PDFInfo
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- CN218817551U CN218817551U CN202223258542.8U CN202223258542U CN218817551U CN 218817551 U CN218817551 U CN 218817551U CN 202223258542 U CN202223258542 U CN 202223258542U CN 218817551 U CN218817551 U CN 218817551U
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Abstract
The utility model discloses a be used for super high-pressure ultra-precision high-pressure pump bent axle of superhigh pressure, including the bent axle body, set up the moist oil groove that extends the linking on main journal, crank, the connecting rod journal on the bent axle body, moist oil groove is multistage straight line trend and right angle and turns to the edge the main journal crank connecting rod journal side end face is seted up, moist oil groove cave in this internal setting up of bent axle and sunken terminal surface are "V" shape face, moist oil groove both ends on the main journal are still extended and are set up the moist oil groove of branch line. In this way, the utility model discloses can set up through the lubricating oil groove of big length and provide good lubrication, let the bent axle body possess wear-resisting, in the same direction as smooth, high temperature resistance characteristics, increase of service life, the whole section of lubricating oil groove covers, perfect lubrication, lubricating oil groove both ends on the main journal still extend and set up branch line lubricating oil groove and provide more lubrication for the main journal, still set up the better lubricating oil of preserving of concave arc groove ability more deeply in the lubricating oil groove.
Description
Technical Field
The utility model relates to a high-pressure pump field especially relates to a be used for super high-pressure ultra-precision high-pressure pump bent axle.
Background
The high-pressure plunger pump is suitable for the petroleum, chemical and fertilizer industries, and is used as a high-pressure water descaling pump in the process, metallurgy and steel mill industries, a power source of high-pressure water cleaning descaling, oil field water injection, boiler water supply and hydraulic machinery in the industries of construction, shipbuilding, sugar manufacturing, paper making, chemical industry and the like, and a part needing to generate high-pressure liquid, such as food, pharmacy and the like, and a conveying medium is fluid without solid particles.
The high-pressure plunger pump can also use crankshaft transmission, and the quality of the crankshaft directly influences the power output of the high-pressure pump, so that the crankshaft needs to have better lubrication, and the crankshaft can resist wear and high temperature.
But traditional high-pressure pump bent axle lacks corresponding lubricating ability, can not continuously provide in the same direction as smooth function ability, so the utility model provides a be used for super high-pressure ultra-precision high-pressure pump bent axle to solve above-mentioned problem, provide good lubrication.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a be used for super high pressure super precision high-pressure pump bent axle, can set up through the lubricating oil groove of big length and provide good lubrication, lets the bent axle body possess wear-resisting, in the same direction as smooth, high temperature resistance's characteristics, increase of service life.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a be used for super high-pressure ultra-precision high-pressure pump bent axle of superhigh pressure, including the bent axle body, set up the lubricating oil groove that extends the linking on main journal, crank, the connecting rod journal on the bent axle body, lubricating oil groove is multistage straight line trend and right angle and turns to the edge the main journal the crank connecting rod journal side end face is seted up, lubricating oil groove cave in this internal seting up of bent axle and sunken terminal surface are "V" shape face, lubricating oil groove both ends on the main journal still extend and set up out the lubricating oil groove of branch.
In a preferred embodiment of the present invention, the two sides V-shaped surface and the bottom surface of the oil wetting groove are further provided with concave arc grooves which are concave in the shape of an inner concave arc in the two sides V-shaped surface and the bottom surface of the oil wetting groove.
In a preferred embodiment of the present invention, the lubricating grooves are also formed on the front end shaft and the rear end shaft of the crankshaft body, and the lubricating grooves are integrally connected.
In a preferred embodiment of the present invention, the branch oil lubrication grooves and the oil lubrication grooves are arranged in a cross shape.
In a preferred embodiment of the present invention, the width of the branch oil wetting groove and the oil wetting groove is not more than 20mm.
The utility model has the advantages that: the utility model discloses can provide good lubrication through the moist oil groove of big length is seted up, let the bent axle body possess wear-resisting, in the same direction as smooth, high temperature resistance's characteristics, increase of service life, moist oil groove is multistage straight line trend and the right angle turns to and sets up along trunnion, crank, connecting rod journal side end face, whole section covers, perfect lubrication, moist oil groove both ends on the trunnion still extend and set up the moist oil groove of branch line and provide more lubrication for the trunnion, still set up the better lubricating oil of preserving of concave arc groove ability more deeply in the moist oil groove.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of the present invention, which is used for a crankshaft of an ultra-high pressure and ultra-precision high pressure pump;
the parts in the drawings are numbered as follows: 1. A crankshaft body; 2. An oil moistening tank; 3. Branch oil wetting grooves; 4. A concave arc groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below clearly and completely, and it should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. 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.
Referring to fig. 1, an embodiment of the present invention includes:
the utility model provides a be used for super precision high-pressure pump bent axle of superhigh pressure, includes bent axle body 1, set up the moist oil groove 2 that extends the linking on trunnion, crank, the rod journal on the bent axle body 1, moist oil groove 2 be the multistage straight line trend and turn to at right angle and follow the trunnion the crank rod journal side end face is seted up, moist oil groove 2 cave in set up in bent axle body 1 and sunken terminal surface is "V" shape face, moist oil groove 2 both ends on the trunnion still extend and set up branch line moist oil groove 3.
In addition, concave arc grooves 4 which are concave for the second time are further formed in the V-shaped surfaces and the bottom surface of the two sides of the oil moistening groove 2, and the concave arc grooves 4 are concave in the V-shaped surfaces and the bottom surface of the two sides of the oil moistening groove 2 in an inwards concave arc shape.
In addition, the lubricating oil grooves 2 are also formed in the front end shaft and the rear end shaft of the crankshaft body 1, and the lubricating oil grooves 2 are connected into a whole.
In addition, the branch oil wetting grooves 3 and the oil wetting grooves 2 are arranged in a cross manner.
In addition, the groove width of the branch oil wetting grooves 3 and the oil wetting grooves 2 is not more than 20mm.
The utility model discloses an operating principle sets up the moist oil groove 2 that extends the linking on trunnion, crank, the connecting rod journal on the bent axle body 1, and moist oil groove 2 is multistage straight line trend and the right angle turns to and sets up along trunnion, crank, connecting rod journal side end face, and moist oil groove 2 link up as an organic wholely have also been seted up on bent axle body 1's front end axle and rear end are epaxial.
The lubricating groove 2 caves in and sets up and sunken terminal surface is "V" shape in bent axle body 1, branch line lubricating groove 3 has still been seted up in the extension at 2 both ends of lubricating groove on the main journal, branch line lubricating groove 3 is the cross with lubricating groove 2 and arranges, branch line lubricating groove 3 is no longer than 20mm with lubricating groove 2's groove width, the sunken concave arc groove 4 of secondary has still been seted up on lubricating groove 2's the both sides V shape and the bottom surface, concave arc groove 4 is the convex cave in of indent in lubricating groove 2 both sides V shape and bottom surface, the utility model discloses can set up through the lubricating groove 2 of big length and provide good lubrication, let bent axle body 1 possess wear-resisting, smooth, high temperature resistant characteristics, increase of service life, lubricating groove 2 is multistage straight line trend and turns to the right angle along the main journal, the crank, connecting rod journal side end face sets up, and full section covers, and is lubricated perfect, and lubricating oil groove 2 both ends on the main journal still set up branch line lubricating groove 3 and extend and provide more lubrication for the main journal, still set up deep lubricating oil in lubricating groove 2.
The above-mentioned only be the embodiment of the utility model, not consequently the restriction the patent scope of the utility model, all utilize the equivalent structure or equivalent flow transform that the content of the specification was done, or directly or indirectly use in other relevant technical field, all the same reason is included in the patent protection scope of the utility model.
Claims (5)
1. The utility model provides a be used for super precision high-pressure pump bent axle of superhigh pressure, includes the bent axle body, its characterized in that, set up the moist oil groove that extends the linking on main journal, crank, the rod journal on the bent axle body, moist oil groove be the multistage straight line trend and turn to at right angle and follow the main journal the crank rod journal side end face is seted up, moist oil groove sunken in this internal setting of bent axle and sunken terminal surface are "V" shape face, moist oil groove both ends on the main journal still extend and set up the moist oil groove of branch line.
2. The crankshaft for the ultrahigh-pressure and ultra-precision high-pressure pump as claimed in claim 1, wherein concave arc grooves with secondary depressions are further formed in the V-shaped surfaces and the bottom surfaces on the two sides of the oil lubrication groove, and the concave arc grooves are concave in the V-shaped surfaces and the bottom surfaces on the two sides of the oil lubrication groove in an inwards concave arc shape.
3. The crankshaft for the ultrahigh-pressure and ultra-precision high-pressure pump as claimed in claim 1, wherein the lubricating grooves are also formed in the front end shaft and the rear end shaft of the crankshaft body, and the lubricating grooves are connected into a whole.
4. The crankshaft for an ultra-high pressure and ultra-precision high pressure pump of claim 1, wherein the branch oil lubrication grooves are arranged in a cross with the oil lubrication grooves.
5. The crankshaft for an ultra-high pressure and ultra-precision high pressure pump of claim 1, wherein the groove widths of the branch oil lubrication groove and the oil lubrication groove are not more than 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223258542.8U CN218817551U (en) | 2022-12-06 | 2022-12-06 | Crankshaft for ultrahigh-pressure and ultra-precision high-pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223258542.8U CN218817551U (en) | 2022-12-06 | 2022-12-06 | Crankshaft for ultrahigh-pressure and ultra-precision high-pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218817551U true CN218817551U (en) | 2023-04-07 |
Family
ID=87270502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223258542.8U Active CN218817551U (en) | 2022-12-06 | 2022-12-06 | Crankshaft for ultrahigh-pressure and ultra-precision high-pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218817551U (en) |
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2022
- 2022-12-06 CN CN202223258542.8U patent/CN218817551U/en active Active
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