CN109404267A - A kind of diaphragm type compressor and its gas flow adjusting method - Google Patents
A kind of diaphragm type compressor and its gas flow adjusting method Download PDFInfo
- Publication number
- CN109404267A CN109404267A CN201811132705.3A CN201811132705A CN109404267A CN 109404267 A CN109404267 A CN 109404267A CN 201811132705 A CN201811132705 A CN 201811132705A CN 109404267 A CN109404267 A CN 109404267A
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- type compressor
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000012528 membrane Substances 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 45
- 230000008859 change Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008844 regulatory mechanism Effects 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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
- 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
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of diaphragm type compressor and its gas flow adjusting methods, after the relative position of eccentric block and main shaft is adjusted, start the repairing moment and diaphragm reaches the limit of the phase difference at position moment and also fixes therewith.Screw the housing screw on expansion set compressing member, then it can be by expansion set come the phase difference of the relative position and repairing of fixed eccentric block and main shaft.When main shaft rotates, plunger is driven to move reciprocatingly with the bearing of eccentric block cooperation, so that can to start repairing at a certain position primary for plunger pump when main shaft rotates a circle.The present invention realizes the step-less adjustment of diaphragm type compressor gas flow by adjusting the repairing opportunity of plunger pump, when can solve existing diaphragm type compressor repairing the problem of poor inspiration, while it is more economical, reduce energy consumption.
Description
Technical field
The invention belongs to diaphragm type compressor technical field, it is related to a kind of diaphragm type compressor and its gas flow adjusting method.
Background technique
In diaphragm type compressor, the function of cylinder is completed by a membrane cavity, cover board and diaphragm structure with vaulted inner surface
Film forming chamber, and the supporting plate with domed surface is used to limit diaphragm lower limit position.Configuration is set on the hydraulic cylinder below supporting plate
It is equipped with spill valve, many oil guiding holes are dispersed on supporting plate, are configured with intake valve and exhaust valve on cover board.When compressor is run, electricity
For motivation by crank link mechanism come the piston in driving hydraulic cylinder, piston pushes diaphragm compressed gas by oil, in membrane cavity
Gas opens exhaust valve when pressure reaches pressure at expulsion；When piston is from top dead centre downlink, diaphragm is then and then oily to equilbrium position
Direction movement, thus membrane cavity volume increases, and starts inspiration gas in membrane cavity.So in cycles, diaphragm type compressor is just continuously
Work.
When machine operation, the oil in hydraulic cylinder is inevitably leaked by piston ring.It is equivalent to subtract in this way
Piston stroke is lacked, when piston reaches outer dead point, diaphragm just cannot fit with cover board, so that the clearance volume in membrane cavity is got over
Come it is bigger, eventually prevent compressor from inspiration gas again ability of losing the job.
The tolerance adjusting method that diaphragm type compressor generallys use at present mainly has rotational speed regulation and bypass to adjust.Rotational speed regulation
In, the revolving speed of frequency converter change driving machine is used for the regulative mode of motor.But when carrying out variable frequency adjustment to power grid
Impact it is larger, body be easy to produce vibration cause it is chain parking, moving component abrasion increase, can not for a long time in underload
Lower work.Frequency converter is expensive simultaneously, also increases cost.Bypass adjusting then mainly passes through the by-passing valve in pipeline for machine
The extra tolerance of group discharge flows back into the entrance of unit through pipeline, to meet the burden requirement of production.But in terms of energy consumption
There is also very big disadvantage, bypass is adjusted there is no the original compression process of compressor is changed, and extra return gas is still
It is compressed, there is no the power consumptions for reducing compressor, so that compressor has been done many idle works, waste a large amount of energy.
Summary of the invention
It is an object of the invention to overcome the shortcomings of existing gas flow adjusting method, provide a kind of diaphragm type compressor and its
Gas flow adjusting method solves problem when existing gas flow adjusting method uses in diaphragm type compressor, i.e.,
It is at high cost and energy consumption is high.
To achieve the goals above, the present invention is achieved by the following scheme:
A kind of diaphragm type compressor, comprising:
Part of cylinder block comprising diaphragm, hydraulic cylinder, cover board and supporting plate；Diaphragm periphery is fastened between cover board and supporting plate, shape
Film forming chamber and oil pocket；Supporting plate and diaphragm surround hydraulic cylinder；
Crankcase, crankcase upper box are connect with part of cylinder block；
Plunger pump is arranged outside crankcase body, and plunger pump oil outlet connect use with hydraulic cylinder by repairing pipeline
In the intracavitary repairing of oil supply；
And gear pump, gear pump are arranged on plunger pump, plunger pump is connected to gear oil pumping chamber；Gear pump passes through fuel sucking pipe
Road is connect for giving plunger oil pump feed with crankcase lower box.
The plunger pump includes that setting is intracorporal in shell:
Expansion set,
Eccentric block, eccentric block are set on main shaft by expansion set, and main shaft is arranged in crankcase upper box；
Cooperate on the outside of bearing, bearing inner race and eccentric block；
Expansion set compressing member, expansion set compressing member are set on main shaft, and expansion set compressing member is connect with eccentric block for limiting expansion set
It is axially moved with bearing；
Plunger rod, plunger boom end and bearing touch；
And plunger, plunger are arranged on plunger rod, the bearing of eccentric rotary drives plunger to move reciprocatingly by plunger rod.
The scale mark for adjusting rotational angle is provided on the eccentric block and main shaft.
The eccentric block, expansion set and expansion set compressing member are coaxially arranged.
It further include spill valve；
It is provided with spill valve on hydraulic cylinder below the supporting plate, multiple oil guiding holes are dispersed on supporting plate, oil guiding hole is logical
Oil channel is connect with oil spilling valve inlet, and oil spilling valve outlet connects crankcase lower box by oil return line.
Cover board with vaulted inner surface connects to form cavity with the supporting plate with domed surface, structure between cover board and diaphragm
Film forming chamber, constitutes oil pocket between supporting plate and diaphragm, oil pocket is connected to cylinder chamber；The row being connected to membrane cavity is provided on cover board
Air valve and intake valve.
Crank link mechanism is provided in the crankcase lower box, crank link mechanism driving piston does reciprocal fortune
It is dynamic.
A kind of gas flow adjusting method of diaphragm type compressor, comprising the following steps: when main shaft rotates, cooperate with eccentric block
Bearing also drive plunger with moving reciprocatingly, so that into oil pocket, repairing is primary when main shaft rotates a circle for plunger pump.
As a further improvement of the present invention, specifically include: the oil in crankcase enters gear pump by inlet line and increases
It after pressure, then is further pressurized through plunger pump, is entered by repairing pipeline and carry out repairing in hydraulic cylinder；Oil reaches in oil cylinder to be set
Spill valve can be flowed out after constant-pressure, then flows back to crankcase through oil return line.
As a further improvement of the present invention, further includes:
Piston, by changing the repairing opportunity of plunger pump, controls the oil cylinder internal pressure of hydraulic cylinder into lower dead center motion process
Power rises to the angular position of gas compression cavity pressure, to control the final position and gas compression chamber that diaphragm moves downward
Volume, realize diaphragm type compressor gas flow adjust；
After the relative position of eccentric block and main shaft is adjusted, starts the repairing moment and diaphragm reaches the limit of the position moment
Phase difference is also fixed therewith；The phase difference of relative position and repairing between eccentric block and main shaft is by rotating eccentricity block come real
Existing step-less adjustment.
Wherein, the gas flow adjustment structure in diaphragm type compressor, with expansion set, expansion set compressing member, eccentric block, pressure
Tight stud, bearing, plunger rod and plunger part.
The eccentric block and main shaft are coupled by expansion set, and eccentric block, expansion set and expansion set compressing member are coaxially arranged, bearing inner race
Cooperate on the outside of eccentric block, housing screw is used to the relative position of fixed eccentric block and main shaft.
Screw the housing screw on expansion set compressing member, then can by expansion set come the relative position of fixed eccentric block and main shaft with
And the phase difference of repairing.When main shaft rotates, drives plunger to be followed by with the bearing of eccentric block cooperation and move reciprocatingly, thus plunger
It is primary that pump can start repairing in a certain position when main shaft rotates a circle.
The eccentric block and main shaft during installation, when the identical label alignment being carved on the two surface, plunger and
Piston reaches respective top dead centre simultaneously.Corresponding angle can also be rotated according to the scale on eccentric block to change therebetween
Phase difference.
Compared with prior art, the invention has the following advantages:
It is provided with structure-plunger pump of gas flow adjusting in diaphragm type compressor of the invention, is set on diaphragm type compressor
It sets recharging oil device and carries out repairing, carry out the repairing into hydraulic cylinder especially by plunger pump.The oil solved in hydraulic cylinder passes through piston ring
And leak, cause compressor cannot again inspiration gas the problem of.Repairing is carried out by continuous in time, can be made in hydraulic cylinder
There are enough oil masses.So that piston stroke is unaffected, compressor is able to carry out normal sustained service.The present invention passes through tune
On the repairing opportunity of whole plunger pump, the step-less adjustment of diaphragm type compressor gas flow is realized, can solve existing diaphragm type compressor
When repairing the problem of poor inspiration, at the same it is more economical, reduce energy consumption.The configuration of the present invention is simple, easy for installation, unit discharge
Tolerance do not flow back into entrance, avoid the waste of the energy, avoid increase frequency converter equipment, reduce its it is expensive at
This.
Further, the present invention carries out repairing using plunger pump structure, drives the movement of eccentric block to carry out the period by main shaft
Property repairing.When main shaft rotates, drives plunger to be followed by with the bearing of eccentric block cooperation and move reciprocatingly, so that plunger pump is in main shaft
It is primary can to start repairing in a certain position when rotating a circle.
Gas regulation method of the invention is the relative position adjusted between main shaft by rotating eccentricity block, Ke Yigai
Become the beginning repairing moment and diaphragm reaches the limit of the phase difference at position moment, so as to the repairing opportunity by adjusting plunger pump
To realize the step-less adjustment of gas flow.
Further, eccentric block and main shaft during installation, when the identical label alignment being carved on the two surface, plunger
Reach respective top dead centre simultaneously with piston.Corresponding angle can also be rotated according to the scale on eccentric block to change the two
Between phase difference.
Detailed description of the invention
Fig. 1 is septation compressor overall structure diagram of the embodiment of the present invention；
Fig. 2 is the cross-sectional view of expansion set structure and piston structure in gas flow regulation mechanisms in the embodiment of the present invention；
Fig. 3 is the cross-sectional view of expansion set structure in gas flow regulation mechanisms in the embodiment of the present invention；
Fig. 4 is the left view direction cross-sectional view of Fig. 2 structure in the embodiment of the present invention；
Fig. 5 is the front view of eccentric block part in the embodiment of the present invention；
Fig. 6 is the top view of main shaft part in the embodiment of the present invention.
In figure: 1. diaphragms, 2. pistons, 3. exhaust valves, 4. intake valves, 5. cover boards, 6. supporting plates, 7. hydraulic cylinders, 8. repairing pipes
Road, 9. plunger pumps, 10. gear pumps, 11. inlet lines, 12. crankcases, 13. oil return lines, 14. spill valves, 15. oil guiding holes,
16. eccentric block, 17. expansion sets, 18. housing screws, 19. expansion set compressing members, 20. bearings, 21. main shafts, 22. plunger rods, 23. columns
Plug.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and examples:
Due to existing repairing mode can only a certain fixed position in one cycle carry out repairing, can not
Tolerance is adjusted, thus the problem of will cause poor inspiration.But there is at high cost and energy consumption is high again for existing tolerance adjusting method
The shortcomings that.
Referring to Fig. 1, diaphragm type compressor of the invention, mainly by motor, pedestal, crankcase, crankshaft link rod motion mechanism, cylinder
Body component, oil and gas pipeline, electric-control system and some attachmentes composition, the present invention are not especially limited.
Part of cylinder block includes diaphragm 1, piston 2, cover board 5 and supporting plate 6, cover board 5 with vaulted inner surface and is had vaulted
The connection of supporting plate 6 on surface forms cavity, and 1 periphery of diaphragm is fastened between cover board 5 and supporting plate 6, the lid with vaulted inner surface
Plate 5 and diaphragm 1 constitute membrane cavity.Supporting plate 6 is connect with hydraulic cylinder 7, and hydraulic cylinder 7 is connect with crankcase 12.Hydraulic cylinder 7 is provided with piston
2, crank link mechanism is provided in crankcase 12, crank link mechanism driving piston 2 moves reciprocatingly.It is configured on cover board 5
The exhaust valve 3 and intake valve 4 being connected to membrane cavity.
Working principle are as follows: in diaphragm type compressor, the function of cylinder is completed by a membrane cavity, and 1 periphery of diaphragm is fastened to
Between cover board 5 and supporting plate 6, cover board 5 and diaphragm 1 with vaulted inner surface constitute membrane cavity, and the supporting plate 6 with domed surface is used
To limit 1 lower limit position of diaphragm.When compressor is run, motor is by crank link mechanism come the work in driving hydraulic cylinder 7
Plug 2, piston 2 pushes 1 compressed gas of diaphragm by oil, and gas opens exhaust valve 3 when pressure reaches pressure at expulsion in membrane cavity；When
When piston 2 is from top dead centre downlink, then and then oil move diaphragm 1 to equilbrium position direction, thus membrane cavity volume increase, intake valve 4
It is opened, starts inspiration gas in membrane cavity.
When machine operation, the oil in hydraulic cylinder 7 is inevitably leaked by piston ring.It is equivalent to subtract in this way
2 stroke of piston is lacked, when piston 2 reaches outer dead point, diaphragm 1 just cannot fit with cover board 5, so that the clearance in membrane cavity is held
Product it is increasing, eventually prevent compressor from inspiration gas again ability of losing the job.
As shown in Figure 1, therefore on diaphragm type compressor be arranged recharging oil device carry out repairing, especially by plunger pump 9 to
Repairing in hydraulic cylinder 7.The oil solved in hydraulic cylinder 7 is leaked by piston ring, and compressor is caused inspiration gas cannot to ask again
Topic.Repairing is carried out by continuous in time, can make there are enough oil masses in hydraulic cylinder 7.2 stroke of piston not will receive shadow
It rings, compressor is able to carry out normal sustained service.
Further, and due to the compressibility very little of oil itself, when causing piston 2 less than top dead centre, diaphragm 1 is just first attached to
The surface of cover board 5, therefore oil pressure is excessively high in order to prevent, 14 mechanism of spill valve should also be arranged on hydraulic cylinder 7.Oil return line 13 connects
The outlet of spill valve 14 and 12 lower box of crankcase are connect, inlet line 11 connects 12 lower box of crankcase and gear pump 10, repairing pipe
Road 8 connects the outlet of plunger pump 9 and hydraulic cylinder 7, constitutes the circulation of oil circuit.So in cycles, compressor just continuously works.Branch
Many oil guiding holes 15 are dispersed on plate 6.
Referring to figs. 2 and 3, the gas flow adjustment structure in diaphragm type compressor of the invention, with expansion set 17, swollen
Cover compressing member 19, eccentric block 16, housing screw 18, bearing 20, plunger rod 22 and plunger 23.
The eccentric block 16 and main shaft 21 are coupled by expansion set 17, and eccentric block 16, expansion set 17 and expansion set compressing member 19 are coaxial
It arranges, cooperate on the outside of 20 inner ring of bearing and eccentric block 16, housing screw 18 is used to the opposite position of fixed eccentric block 16 and main shaft 21
It sets.
The eccentric block 16 of plunger pump 9 is driven to connect on crankshaft by expansion set 17, realizing can with crankshaft circumferential relative position
It adjusts, eccentric block 16, expansion set 17 and expansion set compressing member 19 are coaxially arranged, cooperate on the outside of 20 inner ring of bearing and eccentric block 16, compress spiral shell
Nail 18 is used to the relative position of fixed eccentric block 16 and main shaft 20.
The present invention also provides a kind of gas flow adjusting methods of diaphragm type compressor, comprising the following steps: when main shaft rotates,
Also drive plunger with moving reciprocatingly with the bearing of eccentric block cooperation, so that plunger pump is when main shaft rotates a circle into oil pocket
Repairing is primary.
Eccentric block 16 and main shaft 21 are coupled by expansion set 17, and 20 inner ring of bearing and eccentric block 16 cooperate.When 16 He of eccentric block
After the relative position of main shaft 21 determines, at the time of starting repairing and diaphragm 1 reaches the limit of the phase difference at position moment also therewith
It is fixed.Screw the housing screw 18 on expansion set compressing member 19, then it can be by expansion set 17 come the phase of fixed eccentric block 16 and main shaft 21
To the phase difference of position and repairing.When main shaft 21 rotates, the bearing 20 cooperated with eccentric block 16 also drives plunger 23 with doing
It moves back and forth, so that can to start repairing in a certain position when main shaft 21 rotates a circle primary for plunger pump 9.
After oil in its crankcase 12 enters the pressurization of gear pump 10 by inlet line 11, part oil is through plunger pump 9 into one
Step pressurization, entered by repairing pipeline 8 and carry out repairing in hydraulic cylinder 7, oil reach in oil cylinder setting pressure after can flow out it is excessive
Oil valve 14, then crankcase 12 is flowed back to through oil return line 13.In the structure, piston 2 is into lower dead center motion process, by changing column
The repairing opportunity of plug pump 9 controls oily in-cylinder pressure and rises to the angular position of gas compression cavity pressure, thus control diaphragm to
The final position of lower movement and the volume of gas compression chamber realize that diaphragm type compressor gas flow is adjusted.
Referring to fig. 4, when compressor is run, with the rotation of main shaft 21, the bearing 20 of eccentric rotary passes through 22 band of plunger rod
Dynamic plunger 23 does periodic reciprocating motion.Phase difference between eccentric block 16 and main shaft 21 can be by rotating eccentricity block 16 come real
Existing step-less adjustment, later again by screwing housing screw 18 come the angle of stationary phase pair.
Referring to figs. 5 and 6, eccentric block 16 and main shaft 21 during installation, when the identical label being carved on the two surface
When alignment, plunger and piston reach respective top dead centre simultaneously.Corresponding angle can also be rotated according to the scale on eccentric block
To change phase difference between the two.When identical label alignment on eccentric block 16 and main shaft 21, plunger 23 and piston
Reach respective top dead centre simultaneously, corresponding angle can also be rotated to change phase difference between the two.
Although specific embodiments of the present invention are described in conjunction with attached drawing above, the invention is not limited to upper
The specific embodiment stated, above-mentioned specific embodiment are only schematical, directiveness rather than restrictive.This
The those of ordinary skill in field under the enlightenment of this specification, in the feelings for not departing from scope of the claimed protection of the invention
Under condition, a variety of forms can also be made, these belong to the column of protection of the invention.
Claims (10)
1. a kind of diaphragm type compressor characterized by comprising
Part of cylinder block comprising diaphragm (1), hydraulic cylinder (7), cover board (5) and supporting plate (6)；Diaphragm (1) periphery is fastened on cover board
(5) between supporting plate (6), membrane cavity and oil pocket are formed；Supporting plate (6) and diaphragm (1) surround hydraulic cylinder (7)；
Crankcase (12), crankcase (12) upper box are connect with part of cylinder block；
Plunger pump (9), be arranged outside crankcase (12) cabinet, plunger pump (9) oil outlet by repairing pipeline (8) with it is hydraulic
Cylinder (7) connection is used for the intracavitary repairing of oil supply；
And gear pump (10), gear pump (10) setting is other in plunger pump (9), and plunger pump (9) and gear pump (10) are connected by oil circuit
It is logical；Gear pump (10) is connect with crankcase (12) lower box for giving plunger pump (9) fuel feeding by inlet line (11).
2. a kind of diaphragm type compressor according to claim 1, which is characterized in that the plunger pump (9) includes that setting exists
Shell is intracorporal:
Expansion set (17)；
Eccentric block (16), eccentric block (16) are set on main shaft (21) by expansion set (17), and main shaft (21) is arranged in crankcase
(12) in cabinet；
Bearing (20), bearing (20) inner ring and eccentric block (16) outside cooperate；
Expansion set compressing member (19), expansion set compressing member (19) are set on main shaft (21), expansion set compressing member (19) and eccentric block (16)
Connection is axially moved for limiting expansion set (17) and bearing (20)；
Plunger rod (22), plunger rod (22) end are contacted with bearing (20)；
And plunger (23), plunger (23) are connected on plunger rod (22), the bearing (20) of eccentric rotary passes through plunger rod (22) band
Dynamic plunger (23) move reciprocatingly.
3. a kind of diaphragm type compressor according to claim 2, which is characterized in that the eccentric block (16) and main shaft (21)
On be provided with scale mark for adjusting rotational angle.
4. a kind of diaphragm type compressor according to claim 2, which is characterized in that the eccentric block (16), expansion set (17)
It is coaxially arranged with expansion set compressing member (19).
5. a kind of diaphragm type compressor according to claim 1, which is characterized in that further include spill valve (14)；
It is provided with spill valve (14) on hydraulic cylinder (7) below the supporting plate (6), supporting plate is dispersed with multiple oil guiding holes on (6)
(15), oil guiding hole (15) is connect by oil duct with spill valve (14) entrance, and spill valve (14) outlet is connected by oil return line (13)
Connect crankcase (12) lower box.
6. a kind of diaphragm type compressor according to claim 1, which is characterized in that with vaulted inner surface cover board (5) and
Supporting plate (6) connection with domed surface forms cavity, and membrane cavity, supporting plate (6) and diaphragm are constituted between cover board (5) and diaphragm (1)
(1) oil pocket is constituted between, oil pocket is connected to hydraulic cylinder (7) inner cavity；The exhaust valve (3) being connected to membrane cavity is provided on cover board (5)
With intake valve (4).
7. a kind of diaphragm type compressor according to claim 1, which is characterized in that set in described crankcase (12) lower box
It is equipped with crank link mechanism, crank link mechanism driving piston (2) moves reciprocatingly.
8. a kind of gas flow adjusting method of diaphragm type compressor as claimed in claim 2, which is characterized in that including following step
It is rapid: when main shaft (21) rotates, also drive plunger (23) with moving reciprocatingly with the bearing (20) of eccentric block (16) cooperation, thus
Plunger pump repairing into oil pocket when main shaft (21) rotates a circle is primary.
9. a kind of gas flow adjusting method of diaphragm type compressor as claimed in claim 8, which is characterized in that specifically include:
After oil in crankcase (12) enters gear pump (10) pressurization by inlet line (11), then further it is pressurized through plunger pump (9),
It is entered by repairing pipeline (8) and carries out repairing in hydraulic cylinder (7)；Oil can flow out spill valve after reaching setting pressure in oil cylinder
(14), crankcase (12) then through oil return line (13) are flowed back to.
10. a kind of gas flow adjusting method of diaphragm type compressor as claimed in claim 8, which is characterized in that further include:
Piston (2), by changing the repairing opportunity of plunger pump (9), controls the oil cylinder of hydraulic cylinder (7) into lower dead center motion process
Interior pressure rises to the angular position of gas compression cavity pressure, so that it is gentle to control the final position that diaphragm (1) moves downward
The volume of body compression chamber realizes that diaphragm type compressor gas flow is adjusted；
After the relative position of eccentric block (16) and main shaft (21) is adjusted, when beginning repairing moment and diaphragm reach the limit of position
The phase difference at quarter is also fixed therewith；The phase difference of relative position and repairing between eccentric block (16) and main shaft (21) passes through rotation
Turn eccentric block (16) Lai Shixian step-less adjustment.
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| CN201811132705.3A CN109404267A (en) | 2018-09-27 | 2018-09-27 | A kind of diaphragm type compressor and its gas flow adjusting method |
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| CN201811132705.3A CN109404267A (en) | 2018-09-27 | 2018-09-27 | A kind of diaphragm type compressor and its gas flow adjusting method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109209844A (en) * | 2018-11-15 | 2019-01-15 | 西安交通大学 | Diaphragm type compressor and its flow rate adjusting method |
| CN109973369A (en) * | 2019-03-06 | 2019-07-05 | 西安交通大学 | A kind of quick fuel feeding jettison gear of diaphragm type compressor |
| CN113153712A (en) * | 2021-04-27 | 2021-07-23 | 烟台东德氢能技术有限公司 | Diaphragm compressor |
| 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 |
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| CN101354028A (en) * | 2007-07-27 | 2009-01-28 | 北京石油化工学院 | Multi-film cavity septum compressor driven by single piston |
| CN105804976A (en) * | 2016-04-27 | 2016-07-27 | 江苏源之翼电气有限公司 | Overlap type large-displacement diaphragm compressor |
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