CN112012904A - High-low pressure integrated oil pump system for diaphragm compressor - Google Patents
High-low pressure integrated oil pump system for diaphragm compressor Download PDFInfo
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- CN112012904A CN112012904A CN202010978576.0A CN202010978576A CN112012904A CN 112012904 A CN112012904 A CN 112012904A CN 202010978576 A CN202010978576 A CN 202010978576A CN 112012904 A CN112012904 A CN 112012904A
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- pressure
- pump
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- 230000001050 lubricating effect Effects 0.000 claims abstract description 22
- 230000001502 supplementing effect Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 268
- 239000010727 cylinder oil Substances 0.000 claims description 25
- 238000005461 lubrication Methods 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/053—Pumps having fluid drive
- F04B45/0533—Pumps having fluid drive the fluid being actuated directly by a piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Compressor (AREA)
Abstract
The invention discloses a high-low pressure integrated oil pump system for a diaphragm compressor, which relates to the field of compressors and comprises at least one plunger pump for supplementing oil to an oil cavity of a cylinder of the compressor, a lubricating piece and an oil pool for lubricating an eccentric acting end of an eccentric piece and a crankshaft connecting rod mechanism in the compressor, wherein the crankshaft is provided with the eccentric piece; the eccentric action end of the eccentric part is lubricated by injecting oil through the gear pump while supplementing oil in the oil cavity of the cylinder, and the oil enters the pore channel of the crankshaft through the oil return channel of the gear pump to lubricate moving parts such as a bearing bush, a crosshead and the like connected with the crankshaft; oil supplementing system and lubricating system integration are in the same place, and drive gear's gear shaft and bent axle fixed connection, and direct rotation with the bent axle is as drive gear pivoted power supply, reduces the redundancy of equipment, reduces the oil leak point, the security of lifting means operation.
Description
Technical Field
The invention relates to the field of compressors, in particular to a high-pressure and low-pressure integrated oil pump system for a diaphragm type compressor.
Background
In the field of compressors, lubrication of important parts is particularly important, the degree of lubrication directly influences the compression performance, safety factor and the like of the compressor, and particularly in a diaphragm compressor, oil drives a diaphragm to reciprocate through a piston so as to pressurize gas, so that lubricating oil plays an indispensable role in a gas pressurization part of the diaphragm compressor besides the traditional lubrication function;
based on the reasons, the invention provides a high-low pressure combined oil pump and an oil system for a diaphragm compressor, wherein the oil pump can be matched with crankshafts and eccentric sleeves of different types while lubricating a low-pressure moving part, so that oil can be supplemented to a cylinder of the diaphragm compressor at the same time or in stages, and the supercharging requirement is met. By integrating two sets of oil systems, the redundancy of equipment is reduced, oil leakage points are reduced, and the running safety of the equipment is improved.
Disclosure of Invention
The invention aims to solve the problems and designs a high-pressure and low-pressure integrated oil pump system for a diaphragm compressor.
The invention realizes the purpose through the following technical scheme:
a high-low pressure integrated oil pump system for a diaphragm compressor, comprising:
two plunger pumps for supplementing oil to the oil cavity of the compressor cylinder; an eccentric part is arranged on a crankshaft of the compressor, the eccentric action ends of the eccentric part respectively act on valve rods of the two plunger pumps, and oil outlets of the two plunger pumps are respectively communicated with oil inlets of two cylinder oil cavities of the compressor;
a lubrication member for lubricating the eccentric acting end of the eccentric member and the crankshaft connecting rod mechanism in the compressor;
an oil sump; the oil inlets of the lubricating pieces are communicated with the oil pool, and the oil inlets of the two plunger pumps and the oil outlets of the two cylinder oil cavities are communicated with the oil pool.
The invention has the beneficial effects that: the eccentric action end of the eccentric part is lubricated by injecting oil through the gear pump while supplementing oil in the oil cavity of the cylinder, and the oil enters the pore channel of the crankshaft through the oil return channel of the gear pump to lubricate moving parts such as a bearing bush, a crosshead and the like connected with the crankshaft; oil supplementing system and lubricating system integration are in the same place, and drive gear's gear shaft and bent axle fixed connection, and direct the rotation of bent axle is as drive gear pivoted power supply, has reduced the redundancy of equipment, reduces the oil leak point, the security of lifting means operation.
Drawings
FIG. 1 is a schematic diagram of an oil circuit of a high-pressure and low-pressure integrated oil pump system for a diaphragm compressor according to the present invention;
FIG. 2 is a schematic structural diagram of a lubricating member in a high-pressure and low-pressure integrated oil pump system for a diaphragm compressor according to the present invention;
FIG. 3 is a schematic structural diagram of a top view of a lubrication element in a high-pressure and low-pressure integrated oil pump system for a diaphragm compressor according to the present invention;
FIG. 4 is a schematic structural diagram 1 of a plunger pump in a high-low pressure integrated oil pump system for a diaphragm compressor according to the present invention;
FIG. 5 is a schematic cross-sectional view A-A of a high-pressure and low-pressure integrated oil pump system for a diaphragm compressor according to the present invention;
FIG. 6 is a schematic structural diagram of a plunger pump in a high-low pressure integrated oil pump system for a diaphragm compressor of the present invention, shown in FIG. 2;
FIG. 7 is a schematic cross-sectional view of B-B of a high-low pressure integrated oil pump system for a diaphragm compressor according to the present invention;
wherein corresponding reference numerals are:
1-oil pool, 2-oil safety valve, 3-oil bypass valve, 4-cylinder oil chamber, 5-second oil check valve, 6-second filter, 7-plunger pump, 8-first oil check valve, 9-first filter, 10-oil cooler, 11-oil absorption filter, 12-gear pump, 13-gear shaft, 14-driven wheel, 15-driving gear, 16-elastic piece, 17-adjusting valve rod, 18-eccentric sleeve, 19-crankshaft, 20-oil inlet of oil return channel, 21-oil inlet of gear pump, and 22-oil outlet of gear pump.
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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. 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 is to be understood that the terms "upper", "lower", "inside", "outside", "left", "right", and the like, 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, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1, 4, and 5, a high-low pressure integrated oil pump system for a diaphragm compressor includes:
two plunger pumps 7 for supplementing oil to the oil chamber 4 of the compressor cylinder; an eccentric part is arranged on a crankshaft 19 of the compressor, the eccentric action ends of the eccentric part respectively act on valve rods of the two plunger pumps 7, and oil outlets of the two plunger pumps 7 are respectively communicated with oil inlets of two cylinder oil cavities 4 of the compressor;
a lubrication member for lubricating the eccentric acting end of the eccentric member and the crankshaft 19 link mechanism in the compressor;
an oil sump 1; the oil inlets of the lubricating pieces are communicated with the oil pool 1, and the oil inlets of the two plunger pumps 7 and the oil outlets of the two cylinder oil chambers 4 are communicated with the oil pool 1.
As shown in fig. 1, 2, and 3, the lubricating member includes:
a gear pump 12; an oil inlet 21 of the gear pump 12 is communicated with the oil pool 1;
an oil return passage for passing lubricating oil; the oil return channel is arranged on the body of the gear pump 12, an oil inlet 20 of the oil return channel is communicated with an oil outlet 22 of the gear pump 12, and a first oil outlet of the oil return channel is positioned at the eccentric action end of the eccentric member;
an oil through hole channel; the oil through hole is formed in a gear shaft 13 of a driving gear 15 in the gear pump 12, an oil passage is formed in the crankshaft 19, an oil outlet of the oil through hole is communicated with an oil inlet of the oil passage, and an oil inlet of the oil through hole is communicated with a second oil outlet of the oil return passage.
As shown in fig. 2, the gear shaft 13 of the drive gear 15 is fixedly connected to the crankshaft 19.
As shown in fig. 2 and 3, the lubricating member further includes a pressure stabilizer for stabilizing oil pressure at the first oil outlet of the oil return passage, and an acting end of the pressure stabilizer is disposed at the first oil outlet of the oil return passage.
As shown in fig. 2 and 3, the pressure stabilizer includes an adjusting valve rod 17 and an elastic member 16, a mounting hole is provided on a body of the gear pump 12, a first end of the adjusting valve rod 17 is slidably mounted in the mounting hole, a second end of the adjusting valve core is located at a first oil outlet of the oil return passage, two ends of the elastic member 16 are respectively in pressing contact with the body and the adjusting valve rod 17, a direction of recovery deformation of the elastic member 16 is opposite to a flow direction of oil in the oil return passage, the elastic member 16 is a spring, and the spring is always in a compressed state.
As shown in fig. 1, the lubricating element further comprises an oil suction filter 11, an oil cooler 10 and a first filter 9, wherein an oil inlet and an oil outlet of the oil suction filter 11 are respectively communicated with the oil pool 1 and an oil inlet 21 of the gear pump 12, an oil inlet and an oil outlet of the oil cooler 10 are respectively communicated with an oil outlet 22 of the gear pump 12 and an oil inlet of the first filter 9, and an oil outlet of the first filter 9 is communicated with an oil inlet 20 of the oil return channel.
As shown in fig. 1, the oil pump system further includes two sets of valve assemblies, each set of valve assembly includes a second filter 6, a first oil check valve 8, a second oil check valve 5, an oil safety valve 2 and an oil bypass valve 3, an oil inlet and an oil outlet of the second filter 6 are respectively communicated with the oil inlet of the oil sump 1 and the oil inlet of the plunger pump 7, an oil inlet and an oil outlet of the first oil check valve 8 are respectively communicated with the oil outlet of the plunger pump 7 and the oil inlet of the second oil check valve 5, an oil outlet of the second oil check valve 5 is communicated with the oil inlet of the cylinder oil chamber 4, the oil safety valve 2 is used for pressure relief of the cylinder oil chamber, and an oil inlet and an oil outlet of the oil bypass valve 3 are respectively communicated with the oil outlet.
As shown in fig. 2, 4 and 5, the eccentric member is an eccentric sleeve 18, the eccentric sleeve 18 is fixedly sleeved on a crankshaft 19, two cams are fixedly arranged on the outer side wall of the eccentric sleeve 18 and are respectively in extrusion contact with valve rods of two plunger pumps 7, the crankshaft 19 in a connecting rod mechanism of the crankshaft 19 is a double-row double-throw crankshaft 19, oil supplementing time points of the two plunger pumps 7 to the two cylinder oil chambers 4 are the same, in the process that the eccentric sleeve 18 rotates along with the crankshaft 19, the two cams can respectively prop against the valve rods of the two plunger pumps 7, the two plunger pumps 7 can respectively inject oil into the two cylinder oil chambers 4, the oil supplementing purpose of the two cylinder oil chambers 4 is completed, and the oil supplementing time points of the two plunger pumps 7 to the two cylinder oil chambers 4 are the same, so that the double-cylinder oil supplementing can be realized.
As shown in fig. 2, 6 and 7, the eccentric member is an eccentric sleeve 18, the eccentric sleeve 18 is fixedly sleeved on a crankshaft 19, a cam is fixedly arranged on the outer side wall of the eccentric sleeve 18, the cam is respectively in extrusion contact with valve rods of two plunger pumps 7, the crankshaft 19 in a connecting rod mechanism of the crankshaft 19 is a double-row single-throw crankshaft 19, oil supplementing time points of the two plunger pumps 7 to two cylinder oil chambers 4 are different, in the process that the eccentric sleeve 18 rotates along with the crankshaft 19, the cam can respectively push against the valve rods of the two plunger pumps 7, the two plunger pumps 7 can respectively inject oil into the two cylinder oil chambers 4, and the oil supplementing purpose of the two cylinder oil chambers 4 is completed.
The eccentric part is an eccentric sleeve 18, the eccentric sleeve 18 is fixedly sleeved on a crankshaft 19, and the outer side wall of the eccentric sleeve 18 is in pressing contact with a valve rod of the plunger pump 7.
The working principle of the high-low pressure integrated oil pump system for the diaphragm compressor is as follows:
when the compressor works, the power source drives the crankshaft 19 to rotate, so that the eccentric sleeve 18 fixedly sleeved on the crankshaft 19 is driven to rotate, a valve rod of the plunger pump 7 in extrusion contact with a cam on the eccentric sleeve 18 moves to achieve the purpose of opening and closing the plunger pump 7, when the plunger pump 7 is opened, oil in the oil pool 1 sequentially passes through the second filter 6, the plunger pump 7, the first oil one-way valve 8 and the second oil one-way valve 5 to enter the cylinder oil cavity 4 of the compressor, the oil supplementing purpose of the cylinder is achieved, and high-pressure oil in the cylinder oil cavity 4 is decompressed through the oil safety valve 2 and then returns to the oil pool 1 through the oil bypass valve 3;
when the crankshaft 19 rotates, the gear shaft 13 fixedly connected with the crankshaft 19 is driven to rotate, so that the driving gear 15 is driven to rotate, and the purpose of driving the shaft 13 of the gear 15 is achieved, after the gear shaft 13 rotates, oil in the oil pool 1 enters an oil inlet 21 of the gear pump 12 through the oil absorption filter 11 and reaches an oil outlet 22 of the gear pump 12 through the gear pump 12, then the oil is cooled through the oil cooler 10 and reaches an oil inlet 20 of an oil return channel on the gear pump 12 through the first filter 9, and the oil lubricates a connecting rod mechanism of the crankshaft 19 through an oil through hole on the gear shaft 13 and an oil passage on the crankshaft 19; meanwhile, a part of oil is pushed to open the adjusting valve rod 17 in the oil return channel, so that the purpose of communicating the oil inlet 20 of the oil return channel with the first oil outlet of the oil return channel is achieved, the elastic piece 16 is opposite to the flow direction of the oil in the oil return channel in recovery and deformation, so that the oil cannot completely push to open the adjusting valve rod 17, the first oil outlet of the oil return channel is still in a high-pressure state, the oil can be sprayed to the surface, in contact with the valve rod, of the eccentric sleeve 18 and the plunger pump 7 from the first oil outlet of the oil return channel, lubrication is provided for the contact surface of the eccentric sleeve 18 and the valve in the plunger pump 7, and the service life of the equipment.
The oil is injected through the gear pump 12 to lubricate the eccentric action end of the eccentric part while the oil is supplemented in the cylinder oil chamber 4, and the oil enters the pore channel of the crankshaft 19 through the oil return channel of the gear pump 12 to lubricate moving parts such as a bearing bush, a crosshead and the like connected on the crankshaft 19; the gear shaft 13 of the driving gear 15 is fixedly connected with the crankshaft 19, and the rotation of the crankshaft 19 is directly used as a power source for the rotation of the driving gear 15, so that the redundancy of equipment is reduced, oil leakage points are reduced, and the running safety of the equipment is improved; the lubricating system and the oil supplementing system are integrated together, the low-pressure lubricating function is achieved, the high-pressure oil injecting function is achieved, the low-pressure lubricating function can provide a lubricating effect for parts of the high-pressure oil injecting part, the two systems are mutually associated and supplement each other, the integration level is high, and the problems that a traditional diaphragm compressor is complex in pipeline, high in maintenance difficulty and multiple in oil leakage points due to the fact that the cylinder oil supplementing system is often independently arranged are solved.
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (9)
1. A high-low pressure integrated oil pump system for a diaphragm compressor, comprising:
two plunger pumps for supplementing oil to the oil cavity of the compressor cylinder; an eccentric part is arranged on a crankshaft of the compressor, the eccentric action ends of the eccentric part respectively act on valve rods of the two plunger pumps, and oil outlets of the two plunger pumps are respectively communicated with oil inlets of two cylinder oil cavities of the compressor;
a lubrication member for lubricating the eccentric acting end of the eccentric member and the crankshaft connecting rod mechanism in the compressor;
an oil sump; an oil inlet of the lubricating piece is communicated with the oil pool, and an oil inlet of the plunger pump and an oil outlet of the cylinder oil cavity are communicated with the oil pool.
2. The high-pressure and low-pressure integrated oil pump system for the diaphragm compressor according to claim 1, wherein the lubricating member comprises:
a gear pump; an oil inlet of the gear pump is communicated with the oil pool;
an oil return passage for passing lubricating oil; the oil return channel is arranged on the body of the gear pump, an oil inlet of the oil return channel is communicated with an oil outlet of the gear pump, and a first oil outlet of the oil return channel is positioned at the eccentric action end of the eccentric part;
an oil through hole channel; the oil through hole is formed in a gear shaft of the driving gear in the gear pump, an oil duct is arranged on the crankshaft, an oil outlet of the oil through hole is communicated with an oil inlet of the oil duct, and an oil inlet of the oil through hole is communicated with a second oil outlet of the oil return channel.
3. The high-pressure and low-pressure integrated oil pump system for the diaphragm compressor as claimed in claim 2, wherein a gear shaft of the driving gear is fixedly connected with the crankshaft.
4. The high-pressure and low-pressure integrated oil pump system for the diaphragm compressor as claimed in claim 2 or 3, wherein the lubricating member further comprises a pressure stabilizing member for stabilizing the oil pressure at the first oil outlet of the oil return passage, and the acting end of the pressure stabilizing member is disposed at the first oil outlet of the oil return passage.
5. The high-pressure and low-pressure integrated oil pump system for the diaphragm compressor as claimed in claim 4, wherein the pressure stabilizer comprises an adjusting valve rod and an elastic member, a mounting hole is formed in a body of the gear pump, a first end of the adjusting valve rod is slidably mounted in the mounting hole, a second end of the adjusting valve core is located at the first oil outlet of the oil return channel, two ends of the elastic member are respectively in pressing contact with the body and the adjusting valve rod, and a direction of the elastic member recovering deformation is opposite to a flow direction of oil in the oil return channel.
6. The high-low pressure integrated oil pump system for the diaphragm compressor as claimed in any one of claims 2, 3 and 5, wherein the lubricating member further comprises an oil suction filter, an oil cooler and a first filter, an oil inlet and an oil outlet of the oil suction filter are respectively communicated with the oil sump and an oil inlet of the gear pump, an oil inlet and an oil outlet of the oil cooler are respectively communicated with an oil outlet of the gear pump and an oil inlet of the first filter, and an oil outlet of the first filter is communicated with an oil inlet of the oil return passage.
7. The high-low pressure integrated oil pump system for the diaphragm compressor as claimed in any one of claims 1, 2, 3 and 5, wherein the oil pump system further comprises a second filter, a first oil check valve, a second oil check valve, an oil safety valve and an oil bypass valve, an oil inlet and an oil outlet of the second filter are respectively communicated with the oil sump and an oil inlet of the plunger pump, an oil inlet and an oil outlet of the first oil check valve are respectively communicated with an oil outlet of the plunger pump and an oil inlet of the second oil check valve, an oil outlet of the second oil check valve is communicated with an oil inlet of the cylinder oil chamber, the oil safety valve is used for pressure relief of the cylinder oil chamber, and an oil inlet and an oil outlet of the oil bypass valve are respectively communicated with the oil outlet and the oil sump of the cylinder oil chamber.
8. The high-pressure and low-pressure integrated oil pump system for the diaphragm compressor as claimed in any one of claims 1, 2, 3 and 5, wherein the eccentric member is an eccentric sleeve, the eccentric sleeve is fixedly sleeved on the crankshaft, two cams are fixedly arranged on the outer side wall of the eccentric sleeve, the two cams are respectively in pressing contact with the valve rods of the two plunger pumps, the crankshaft in the crankshaft connecting rod mechanism is a double-row double-crank crankshaft, and oil replenishing time points of the two plunger pumps to the oil chambers of the two cylinders are the same.
9. The high-pressure and low-pressure integrated oil pump system for the diaphragm compressor as claimed in any one of claims 1, 2, 3 and 5, wherein the eccentric member is an eccentric sleeve, the eccentric sleeve is fixedly sleeved on the crankshaft, a cam is fixedly arranged on the outer side wall of the eccentric sleeve, the cam is respectively in pressing contact with the valve rods of the two plunger pumps, the crankshaft in the crankshaft connecting rod mechanism is a double-row single-throw crankshaft, and oil replenishing time points of the two plunger pumps to the two cylinder oil chambers are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010978576.0A CN112012904B (en) | 2020-09-17 | 2020-09-17 | High-low pressure integrated oil pump system for diaphragm type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010978576.0A CN112012904B (en) | 2020-09-17 | 2020-09-17 | High-low pressure integrated oil pump system for diaphragm type compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112012904A true CN112012904A (en) | 2020-12-01 |
| CN112012904B CN112012904B (en) | 2024-03-22 |
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| CN202010978576.0A Active CN112012904B (en) | 2020-09-17 | 2020-09-17 | High-low pressure integrated oil pump system for diaphragm type compressor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187705A (en) * | 2021-04-27 | 2021-07-30 | 烟台东德氢能技术有限公司 | Main shaft direct-drive two-stage booster oil pump |
| CN113404674A (en) * | 2021-06-30 | 2021-09-17 | 张硕 | Eccentric compressor of driving disk |
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| CN113187705A (en) * | 2021-04-27 | 2021-07-30 | 烟台东德氢能技术有限公司 | Main shaft direct-drive two-stage booster oil pump |
| CN113404674A (en) * | 2021-06-30 | 2021-09-17 | 张硕 | Eccentric compressor of driving disk |
| CN114837922A (en) * | 2022-03-23 | 2022-08-02 | 宜兴氢枫能源技术有限公司 | Automatic bubbling system of diaphragm compressor |
| CN114837922B (en) * | 2022-03-23 | 2024-08-30 | 宜兴氢枫能源技术有限公司 | Automatic bubbling system of diaphragm compressor |
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| CN112012904B (en) | 2024-03-22 |
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