CN111828242A - Conical plunger inclined shaft motor and rotary drilling rig - Google Patents
Conical plunger inclined shaft motor and rotary drilling rig Download PDFInfo
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- CN111828242A CN111828242A CN202010746802.2A CN202010746802A CN111828242A CN 111828242 A CN111828242 A CN 111828242A CN 202010746802 A CN202010746802 A CN 202010746802A CN 111828242 A CN111828242 A CN 111828242A
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- shaft motor
- valve plate
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- 238000005553 drilling Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 229910001141 Ductile iron Inorganic materials 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 61
- 239000000463 material Substances 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 13
- 238000005121 nitriding Methods 0.000 claims description 11
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 8
- 239000002344 surface layer Substances 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 abstract description 26
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F03C1/0639—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
- F03C1/0642—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons inclined on main shaft axis
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0602—Component parts, details
- F03C1/0605—Adaptations of pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F03C1/0644—Component parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F03C1/0644—Component parts
- F03C1/0652—Cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F03C1/0644—Component parts
- F03C1/0655—Valve means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Details Of Valves (AREA)
Abstract
The invention provides a conical plunger inclined shaft motor and a rotary drilling rig, and belongs to the technical field of inclined shaft motors. The cylinder body is made of nodular cast iron, the abrasion between the cylinder body and the cone plunger can be effectively reduced by matching the cylinder body with the steel cone plunger, the abrasion-resistant layer is arranged on the end face of the cylinder body matched with the valve plate, and the abrasion between the cylinder body and the valve plate is reduced by matching the abrasion-resistant layer with the valve plate.
Description
Technical Field
The invention relates to the technical field of inclined shaft motors, in particular to a conical plunger inclined shaft motor and a rotary drilling rig.
Background
The cone plunger inclined shaft motor (pump) is a relatively common power part, the main core components of the existing cone plunger inclined shaft motor (pump) generally comprise a cone plunger, a cylinder body and a valve plate, but friction is easy to occur among the cone plunger, the cylinder body and the valve plate, so that part abrasion is caused, negative effects such as high noise, high cost and the like are generated, and the rated rotating speed, pressure and service life of the cone plunger inclined shaft motor (pump) are limited.
Disclosure of Invention
The invention aims to provide a conical plunger inclined shaft motor and a rotary drilling rig, which can reduce abrasion among a conical plunger, a cylinder body and a valve plate and improve the service performance of the conical plunger inclined shaft motor.
The embodiment of the invention is realized by the following steps:
the invention provides a conical plunger inclined shaft motor which comprises a shell, wherein a main shaft and a cylinder body are arranged in the shell, a plurality of conical plungers are arranged in the cylinder body, the plurality of conical plungers extend out of the cylinder body and are connected with one end of the main shaft, a valve plate is arranged at one end, away from the main shaft, of the cylinder body, the cylinder body is made of nodular cast iron, a wear-resistant layer is arranged on the cylinder body, and the cylinder body is matched with the valve plate through the wear-resistant layer.
The cylinder body is made of nodular cast iron, can effectively reduce abrasion between the cylinder body and the conical plunger made of steel materials by matching the cylinder body with the conical plunger, and the cylinder body is matched with the valve plate through the wear-resistant layer so as to reduce the abrasion between the cylinder body and the valve plate and effectively reduce the abrasion between the conical plunger, the cylinder body and the valve plate, so that the conical plunger, the cylinder body and the valve plate can smoothly work, the service performance of the conical plunger inclined shaft motor is improved, and the rated rotating speed, the pressure and the service life of the conical plunger inclined shaft motor are ensured.
Optionally, the wear resistant layer is a copper layer or a copper alloy layer. The wear resistance of the copper layer or the copper alloy layer is good.
Optionally, the cylinder block and the wear resistant layer are connected by a vacuum diffusion welded layer. The vacuum diffusion welding joint has good quality, high welding precision and small deformation.
Optionally, the wear resistant layer has a thickness of between 0.9mm and 1.1 mm. The wear-resisting property of the wear-resisting layer is good, the thin wear-resisting layer can ensure that no wear is caused between the cylinder body and the valve plate, and the manufacturing cost is effectively controlled.
Optionally, the material of the cone plunger is steel, and the surface layer of the cone plunger is a nitriding layer. The surface strength of the cone plunger is improved.
Optionally, the thickness of the nitriding layer is between 0.4mm and 0.52 mm. Effectively ensure the surface wear resistance of the cone plunger.
Optionally, an end surface of the cylinder body, which is matched with the port plate, is a first spherical surface, and the wear-resistant layer is arranged on the first spherical surface; the valve plate is provided with a second spherical surface, and the first spherical surface and the second spherical surface are arranged in a matched mode.
Optionally, one end of the main shaft is provided with a plurality of ball sockets, one end of the conical plunger is a spherical end, and the plurality of conical plungers are correspondingly matched with the plurality of ball sockets through the spherical end.
Optionally, the material of the port plate is steel. The valve plate is made of steel, so that the abrasion between the cylinder body with the copper layer or the copper alloy layer and the steel valve plate is greatly reduced.
According to another aspect of the embodiment of the invention, a rotary drilling rig is provided, which comprises the conical plunger inclined shaft motor.
The embodiment of the invention has the beneficial effects that:
the conical plunger inclined shaft motor and the rotary drilling rig provided by the embodiment of the invention comprise a shell, wherein a main shaft and a cylinder body are arranged in the shell, a plurality of conical plungers are arranged in the cylinder body, the plurality of conical plungers extend out of the cylinder body and are connected with one end of the main shaft, one end, far away from the main shaft, of the cylinder body is provided with a flow distribution plate, the cylinder body is made of nodular cast iron, a wear-resistant layer is arranged on the cylinder body, and the cylinder body is matched with the flow distribution plate through the wear-resistant layer. The cylinder body is arranged in the shell, one end of the cylinder body is connected with the main shaft through the conical plunger in the cylinder body, the other end of the cylinder body is connected with the valve plate, the conical plungers are arranged in corresponding plunger holes in the cylinder body, the cylinder body is made of nodular cast iron and can effectively reduce abrasion between the cylinder body and the valve plate by being matched with the conical plunger made of steel materials, the abrasion-resistant layer is arranged on the end face, matched with the valve plate, of the cylinder body, abrasion between the cylinder body and the valve plate is reduced through the abrasion-resistant layer, and therefore the conical plungers, abrasion between the cylinder body and the valve plate is effectively reduced, smooth work can be achieved between the conical plungers, the cylinder body and the valve plate, the service performance of the conical plunger inclined shaft motor is improved, and the rated rotating speed, pressure and service life of the conical plunger inclined shaft.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a conical plunger inclined-axis motor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cylinder of the conical plunger inclined-axis motor according to an embodiment of the present invention.
Icon: 101-a housing; 102-a main shaft; 103-cone plunger; 104-cylinder body; 105-port plate; 106-rear cover; 107-wear resistant layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The cone plunger inclined shaft motor (pump) is a power part which is commonly used, and the main core components of the cone plunger inclined shaft motor (pump) generally comprise a cone plunger, a cylinder body and a valve plate, wherein the cone plunger and the cylinder body are generally made of steel materials, the valve plate is made of copper materials, the matching mode is easy to generate friction, part abrasion is caused, negative effects such as large noise, high cost and the like are generated, and the rated rotating speed, the pressure and the service life of the cone plunger inclined shaft motor (pump) are limited.
On the basis, the embodiment provides a conical plunger inclined shaft motor, the material of the cylinder body 104 adopts nodular cast iron to reduce the abrasion between the cylinder body 104 and the steel inclined shaft plunger, and the wear-resisting layer 107 is arranged on the cylinder body 104 to be matched with the valve plate 105 to reduce the abrasion between the cylinder body 104 and the valve plate 105, so that the abrasion among the conical plunger 103, the cylinder body 104 and the valve plate 105 is reduced, the service performance of the conical plunger inclined shaft motor is improved, and the rated rotating speed, the pressure and the service life of the conical plunger inclined shaft motor are ensured.
Specifically, referring to fig. 1, the embodiment provides a conical plunger inclined shaft motor, which includes a housing 101, a main shaft 102 and a cylinder 104 are disposed in the housing 101, a plurality of conical plungers 103 are disposed in the cylinder 104, the plurality of conical plungers 103 extend out of the cylinder 104 and are connected to one end of the main shaft 102, a port plate 105 is disposed at one end of the cylinder 104 away from the main shaft 102, the cylinder 104 is made of ball-milled cast iron, a wear-resistant layer 107 is disposed on the cylinder 104, and the cylinder 104 is disposed in cooperation with the port plate 105 through the wear-resistant layer 107.
One end of the main shaft 102 is provided with a plurality of ball sockets, one end of the conical plunger 103 is a spherical end, and the plurality of conical plungers 103 are correspondingly matched with the plurality of ball sockets through the spherical end.
A plurality of plunger holes are formed in the cylinder body 104, a conical plunger 103 is arranged in each plunger hole, the conical plunger 103 extends out of the cylinder body 104, one end, extending out of the cylinder body 104, of the conical plunger 103 is a spherical end, ball sockets matched with the spherical ends of the conical plunger 103 are arranged on the end face of the main shaft 102, and the conical plungers 103 are hinged to the ball sockets of the main shaft 102 in a one-to-one corresponding mode through the spherical ends of the conical plungers.
The material of the cone plunger 103 is steel, and the surface layer of the cone plunger 103 is nitrided to form a nitrided layer on the surface layer of the cone plunger 103. Nitriding is a chemical heat treatment process for making nitrogen atoms permeate into the surface layer of a workpiece at a certain temperature in a certain medium. Liquid nitriding, gas nitriding, ion nitriding are common. In the traditional gas nitriding process, a workpiece is placed in a sealed container, flowing ammonia gas is introduced and heated, after the heat preservation is carried out for a long time, the ammonia gas is thermally decomposed to generate active nitrogen atoms, the active nitrogen atoms are continuously adsorbed to the surface of the workpiece and are diffused and permeated into the surface layer of the workpiece, so that the chemical components and the structure of the surface layer are changed, and the excellent surface performance is obtained.
The surface strength of the cone plunger 103 is improved by nitriding, the thickness of a nitriding layer is 0.4 mm-0.52 mm, and the surface wear resistance of the cone plunger 103 is effectively ensured.
The other end surface of the cylinder 104 extending out of the cone plunger 103 is matched with the port plate 105, as shown in fig. 2, the end surface of the cylinder 104 matched with the port plate 105 is a first spherical surface, the port plate 105 is provided with a second spherical surface, the first spherical surface and the second spherical surface are matched, the wear-resistant layer 107 is arranged on the first spherical surface of the cylinder 104, and the wear of the first spherical surface of the cylinder 104 and the port plate 105 during the matching operation is small by arranging the wear-resistant layer 107 on the first spherical surface.
Different from the existing steel cylinder 104, the cylinder 104 of the embodiment is made of nodular cast iron, the nodular cast iron has good wear resistance, and compared with the existing steel conical plunger 103 and the steel cylinder 104, when the cylinder 104 of the nodular cast iron is matched with the conical plunger 103 made of the steel material, the wear between the cylinder 104 and the conical plunger 103 can be effectively reduced.
The rear cover 106 is further included, the rear cover 106 is arranged at the rear end of the shell 101, the rear end of the valve plate 105 is matched with the rear cover 106, and the front end of the valve plate 105 is matched with the wear-resistant layer 107 of the cylinder 104.
According to the conical plunger inclined shaft motor provided by the embodiment of the invention, the cylinder body 104 is arranged in the shell 101, one end of the cylinder body 104 is connected with the main shaft 102 through the conical plunger 103 in the cylinder body 104, the other end of the cylinder body 104 is connected with the valve plate 105, the plurality of conical plungers 103 are arranged in corresponding plunger holes in the cylinder body 104, the cylinder body 104 is made of nodular cast iron and can effectively reduce the abrasion between the cylinder body 104 and the conical plunger 103 made of steel materials in cooperation with the conical plunger 103 made of steel materials, the abrasion-resistant layer 107 is arranged on the end surface of the cylinder body 104 matched with the valve plate 105, and the abrasion between the cylinder body 104 and the valve plate 105 is reduced through the cooperation of the abrasion-resistant layer 107 and the valve plate 105, so that the abrasion among the conical plunger 103, the cylinder body 104 and the valve plate 105 is effectively reduced, the friction pair formed among the conical plunger 103, the cylinder body 104 and the valve plate 105 can smoothly work, the service performance of the conical plunger inclined shaft motor, Pressure and life. The conical plunger inclined shaft motor provided by the embodiment of the invention optimizes the existing structure, and the cylinder body 104 made of nodular cast iron is adopted, so that the friction characteristics of each friction pair are improved, the abrasion is reduced, the service life is prolonged, the noise is reduced, and the product cost is reduced. Specifically, the wear-resistant layer 107 is a copper layer or a copper alloy layer, and copper is soft and has good wear resistance. The port plate 105 may be made of a steel material, so that the wear between the cylinder block 104 having the copper layer or the copper alloy layer and the steel port plate 105 is greatly reduced.
The existing valve plate 105 is made of a copper material, the cylinder body 104 is made of a steel material, and although the valve plate 105 is also made of copper and steel in a matching way, the whole valve plate 105 is low in structural strength by adopting the copper material as a stress piece, and the copper material is soft, difficult to machine and correspondingly high in machining cost. The price of the copper material is high, and the overall cost of the conical plunger inclined shaft motor is further increased.
The valve plate 105 of the embodiment is made of steel, so that the mechanical strength and rigidity of the valve plate 105 are greatly improved, the processing performance is excellent, the valve plate is matched with a copper layer or a copper alloy layer on the cylinder body 104, the abrasion between the cylinder body 104 and the valve plate 105 is reduced, and the cost is also reduced.
The thickness of the wear-resistant layer 107 is 0.9 mm-1.1 mm, the wear-resistant layer 107 is thin, copper and copper alloy are used as the wear-resistant layer 107, the cost is effectively controlled, and the thin wear-resistant layer 107 can ensure that no wear is caused between the cylinder body 104 and the valve plate 105 due to good wear resistance.
The cylinder body 104 and the wear-resistant layer 107 are connected by welding, the cylinder body 104 is made of nodular cast iron, and when the wear-resistant layer 107 is a copper layer or a copper alloy layer, vacuum diffusion welding is adopted to effectively combine the cylinder body 104 and the wear-resistant layer 107.
The melting points of the ductile iron and copper are close, and ordinary welding can damage the quality of the surface to be welded of the cylinder body 104, and the problem can be solved by adopting vacuum diffusion welding. The vacuum diffusion welding tightly presses two workpieces to be welded together, and the workpieces are placed in a vacuum or protective atmosphere furnace for heating, so that microscopic plastic deformation is generated at the micro-unevenness of the two welding surfaces to achieve close contact, and atoms are mutually diffused to form metallurgical connection in the subsequent heating and heat preservation. The solid phase diffusion mode can weld under the condition of not reducing the performance of the welded material because the matrix is not overheated and melted during diffusion welding, is particularly suitable for fusion welding and materials which are difficult to weld by other methods, and has good welding joint quality, high welding precision and small deformation.
In the present embodiment, the cylinder block 104 is made of ductile cast iron, and the wear-resistant layer is provided on the cylinder block 104 to reduce wear between the conical plunger 103, the cylinder block 104, and the port plate 105.
The embodiment of the invention also discloses a rotary drilling rig which comprises the conical plunger inclined shaft motor. The rotary drilling rig comprises the same structure and beneficial effects as the conical plunger inclined shaft motor in the embodiment. The structure and the beneficial effects of the tapered plunger inclined shaft motor have been described in detail in the foregoing embodiments, and are not described in detail herein.
Besides the rotary drilling rig, the conical plunger inclined shaft motor can also be applied to mechanical equipment such as cranes, excavators and the like, and is connected with a hydraulic system of the corresponding mechanical equipment to provide power for the mechanical equipment.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a awl plunger inclined shaft motor, its characterized in that, includes the casing, be equipped with main shaft and cylinder body in the casing, be equipped with a plurality of awl plungers in the cylinder body, it is a plurality of the awl plunger stretches out the cylinder body and with the one end of main shaft is connected, the cylinder body is kept away from the one end of main shaft is equipped with the valve plate, the material of cylinder body is nodular cast iron, be equipped with the wearing layer on the cylinder body, the cylinder body pass through the wearing layer with the valve plate cooperation sets up.
2. The tapered plunger bent axis motor as claimed in claim 1, wherein said wear resistant layer is a copper layer or a copper alloy layer.
3. The tapered plunger inclined shaft motor according to claim 1 or 2, wherein the cylinder body and the wear layer are connected by a vacuum diffusion welding layer.
4. The tapered plunger slant shaft motor according to claim 1, wherein the thickness of said wear resistant layer is between 0.9mm and 1.1 mm.
5. The tapered plunger inclined shaft motor according to claim 1, wherein the material of the tapered plunger is steel, and the surface layer of the tapered plunger is a nitriding layer.
6. The tapered plunger slant shaft motor according to claim 5, wherein the thickness of said nitriding layer is between 0.4mm and 0.52 mm.
7. The tapered plunger inclined shaft motor according to claim 1, wherein the end surface of the cylinder body, which is matched with the port plate, is a first spherical surface, and the wear-resistant layer is arranged on the first spherical surface; the valve plate is provided with a second spherical surface, and the first spherical surface and the second spherical surface are arranged in a matched mode.
8. The tapered plunger inclined shaft motor according to claim 1, wherein one end of the main shaft is provided with a plurality of ball sockets, one end of the tapered plunger is a spherical end, and the plurality of tapered plungers are correspondingly matched with the plurality of ball sockets through the spherical end.
9. The tapered plunger slant shaft motor according to claim 1, wherein the port plate is made of steel.
10. A rotary drilling rig comprising a conical plunger slant shaft motor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746802.2A CN111828242A (en) | 2020-07-29 | 2020-07-29 | Conical plunger inclined shaft motor and rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746802.2A CN111828242A (en) | 2020-07-29 | 2020-07-29 | Conical plunger inclined shaft motor and rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111828242A true CN111828242A (en) | 2020-10-27 |
Family
ID=72920934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010746802.2A Pending CN111828242A (en) | 2020-07-29 | 2020-07-29 | Conical plunger inclined shaft motor and rotary drilling rig |
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| CN (1) | CN111828242A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553498A (en) * | 2020-11-23 | 2021-03-26 | 吉林大学 | Copper-nodular cast iron bimetal hydraulic wear-resistant part and preparation method thereof |
| CN115234462A (en) * | 2022-07-29 | 2022-10-25 | 杭州力龙液压有限公司 | Cylinder body structure, hydraulic power mechanism and engineering machinery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11351130A (en) * | 1998-06-11 | 1999-12-21 | Honda Motor Co Ltd | Cam plate plunger type hydraulic device |
| CN2911241Y (en) * | 2006-06-22 | 2007-06-13 | 钱正义 | Cylinder plunger friction pair of axial plunger pump |
| CN201433866Y (en) * | 2009-04-24 | 2010-03-31 | 上海电气液压气动有限公司 | Inclined-shaft hydraulic plunger pump or a motor |
| CN102534385A (en) * | 2012-02-16 | 2012-07-04 | 无锡市万邦机械制造厂 | Method for manufacturing plunger by processing and forming GCr15 steel material |
| CN111102185A (en) * | 2019-11-26 | 2020-05-05 | 中船重工重庆液压机电有限公司 | Bimetallic cylinder body, friction pair and processing method for axial variable plunger pump |
-
2020
- 2020-07-29 CN CN202010746802.2A patent/CN111828242A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11351130A (en) * | 1998-06-11 | 1999-12-21 | Honda Motor Co Ltd | Cam plate plunger type hydraulic device |
| CN2911241Y (en) * | 2006-06-22 | 2007-06-13 | 钱正义 | Cylinder plunger friction pair of axial plunger pump |
| CN201433866Y (en) * | 2009-04-24 | 2010-03-31 | 上海电气液压气动有限公司 | Inclined-shaft hydraulic plunger pump or a motor |
| CN102534385A (en) * | 2012-02-16 | 2012-07-04 | 无锡市万邦机械制造厂 | Method for manufacturing plunger by processing and forming GCr15 steel material |
| CN111102185A (en) * | 2019-11-26 | 2020-05-05 | 中船重工重庆液压机电有限公司 | Bimetallic cylinder body, friction pair and processing method for axial variable plunger pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553498A (en) * | 2020-11-23 | 2021-03-26 | 吉林大学 | Copper-nodular cast iron bimetal hydraulic wear-resistant part and preparation method thereof |
| CN115234462A (en) * | 2022-07-29 | 2022-10-25 | 杭州力龙液压有限公司 | Cylinder body structure, hydraulic power mechanism and engineering machinery |
| CN115234462B (en) * | 2022-07-29 | 2024-01-30 | 杭州力龙液压有限公司 | Cylinder body structure, hydraulic power mechanism and engineering machinery |
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Application publication date: 20201027 |
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