CN108533483A - A kind of power assisting device of clearance adjustment actuating mechanism - Google Patents
A kind of power assisting device of clearance adjustment actuating mechanism Download PDFInfo
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- CN108533483A CN108533483A CN201810210471.3A CN201810210471A CN108533483A CN 108533483 A CN108533483 A CN 108533483A CN 201810210471 A CN201810210471 A CN 201810210471A CN 108533483 A CN108533483 A CN 108533483A
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- power
- clearance
- actuating mechanism
- assisted
- valve
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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
- 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
- F04B49/16—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 by adjusting the capacity of dead spaces of working chambers
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
A kind of power assisting device of clearance adjustment actuating mechanism, including clearance adjustment actuating mechanism, power-assisted chamber is constituted between executing agency's shell, clearance cylinder cap and piston rod, power-assisted intracavitary is equipped with gas medium, compresser cylinder inner cavity is connected through compressor cylinder medium outlet, pipeline, tonifying Qi pressure reducing valve, tonifying Qi check valve, power-assisted chamber medium communication port with power-assisted chamber successively, and power-assisted chamber is connected through power-assisted chamber medium communication port, pipeline, the check valve that loses heart, the pressure limiting valve that loses heart with leakage monitoring system successively.Using the above scheme, it is simple in structure by the present invention, and reasonable design is easily operated, and cushioning effect can be played under clearance adjustment actuating mechanism locking state, reduces the impact to locking element, is conducive to extend the service life of executing agency；The setting of power-assisted chamber can also reduce the seal pressure differential of clearance piston seal component, be conducive to the reliability for improving clearance adjustment actuating mechanism, highly practical.
Description
Technical field：
The present invention relates to a kind of reciprocating compressor amount regulating systems, are executed more specifically it relates to which a kind of clearance is adjusted
The power assisting device of mechanism.
Background technology：
In industrial process operation, usually require that the capacity of reciprocating compressor can be adjusted in a certain range
Section.Clearance regulation technology changes the bulk coefficient of compressor, and then realize compression by the clearance volume of adjusting compresser cylinder
The adjusting of machine capacity is a kind of common tolerance adjusting method, has many advantages, such as to invest small, easy to adjust, dependable performance.
Fixed clearance regulating system is that fixed clearance volume chamber is added on compresser cylinder cylinder cap, real by the switch for controlling clearance valve
It now adjusts, but this method cannot carry out the step-less adjustment of clearance volume, cannot fully meet the demand of production.And variable clearance tune
Section system is that compresser cylinder cylinder cap is changed to clearance adjustment actuating mechanism, is driven and is held by the modes such as hydraulic pressure, electronic, pneumatic
Row mechanism is to obtain appropriately sized clearance volume, wherein clearance adjustment actuating mechanism mainly by mounting flange, clearance piston,
The compositions such as clearance cylinder barrel, clearance piston rod and clearance cylinder cap, but in compressor operation, reciprocating compressor cylinder pressure
Power fluctuates between admission pressure and pressure at expulsion, the cyclically-varying of cylinder pressure make clearance adjustment actuating mechanism bear compared with
Big alternating load proposes higher reliability requirement to executing agency.
The clearance piston side of current clearance adjustment actuating mechanism and reciprocating compressor cylinder media contact, the other side
Usually connection leakage monitoring system, leakage monitoring system are mostly connected with blow-down tank, and pressure is very low.Therefore, when clearance piston is to pressure
When contracting machine cylinder side motor adjustment, clearance piston rod needs to overcome pressure medium in system friction and compresser cylinder to act on
Power on clearance piston must be designed according to compresser cylinder maximum working pressure, i.e. pressure at expulsion more than clearance adjustment actuating mechanism
The driving force of gap piston rod, especially when clearance piston diameter is larger, clearance piston rod needs prodigious driving force real
Existing clearance is adjusted, and executing agency is fragile, and the service life is low, it is difficult to meet the requirement of power-saving industrial production.
Invention content：
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of power assisting device of clearance adjustment actuating mechanism, it
Simple in structure, reasonable design is easily operated, can play the role of power-assisted in clearance adjustment actuating mechanism adjustment process, reduces
The driving force of piston rod saves driving work(；Cushioning effect, reduction pair can be played under clearance adjustment actuating mechanism locking state
The impact of locking element is conducive to extend the service life of executing agency；It is close that the setting of power-assisted chamber can also reduce clearance piston
The seal pressure differential of sealing assembly is conducive to the reliability for improving clearance adjustment actuating mechanism, solves existing in the prior art ask
Topic.
Used technical solution is the present invention to solve above-mentioned technical problem：
A kind of power assisting device of clearance adjustment actuating mechanism, including clearance adjustment actuating mechanism, executing agency's shell, clearance
Power-assisted chamber is constituted between cylinder cap and piston rod, power-assisted intracavitary is equipped with gas medium, and compresser cylinder inner cavity is successively through compressor gas
Cylinder medium outlet, pipeline, tonifying Qi pressure reducing valve, tonifying Qi check valve, power-assisted chamber medium communication port are connected with power-assisted chamber, power-assisted chamber
It is connected successively with leakage monitoring system through power-assisted chamber medium communication port, pipeline, the check valve that loses heart, the pressure limiting valve that loses heart.
Preferably, be equipped with leakage monitoring chamber between piston rod and clearance cylinder cap, leakage monitoring chamber through leakage monitoring mouth and
Monitoring pipeline is connected with leakage monitoring system.
Preferably, it is equipped with leakage monitoring communicating valve on monitoring pipeline.
Preferably, the pressure gauge of detection power-assisted intracavitary air pressure is equipped at power-assisted chamber medium communication port.
Preferably, it is equipped with pressure gauge stop valve in the inlet end of pressure gauge.
Preferably, external medium air inlet pipeline, external medium air inlet pipe are additionally provided on the pipeline on front side of tonifying Qi pressure reducing valve
Road is equipped with external medium entrance valve.
Preferably, compression cylinder medium entrance valve is equipped on the pipeline at compresser cylinder medium outlet.
Preferably, power-assisted chamber communicating valve is equipped on the pipeline at power-assisted chamber medium communication port.
Preferably, the clearance adjustment actuating mechanism is external-cooling type executing agency.
The present invention using the above scheme, provides a kind of power assisting device of clearance adjustment actuating mechanism, it is simple in structure, if
Meter is reasonable, easily operated, by the way that power-assisted chamber, power-assisted interacvity air-filling body medium, Jie are arranged inside clearance adjustment actuating mechanism
Matter can be the working media in compresser cylinder, can also be other inert medias, such as nitrogen, argon gas, and utilize and lose heart
Pressure limiting valve and tonifying Qi pressure reducing valve control power-assisted intracavitary pressure medium, keep power-assisted chamber pressure medium constant, the stress of piston rod is bright
Aobvious to reduce, required driving force significantly declines, and ideally even up to 50%, for high-pressure reciprocating compressor and high pressure
It contracts than the clearance regulating system of reciprocating compressor, effect is especially apparent, and drive can be realized just with the pressure difference of system itself
Dynamic power-assisted, can play the role of power-assisted in clearance adjustment actuating mechanism adjustment process, reduce the driving force of piston rod, save and drive
Dynamic work(, is realized energy saving；Cushioning effect can be played under clearance adjustment actuating mechanism locking state, locking element is rushed in reduction
It hits, is conducive to extend the service life of executing agency；The setting of power-assisted chamber can also reduce the sealing of clearance piston seal component
Pressure difference is conducive to the reliability for improving clearance adjustment actuating mechanism, highly practical.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of clearance adjustment actuating mechanism of the present invention；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 2；
Fig. 4 is the structural schematic diagram of external-cooling type executing agency；
In figure, 1, leakage monitoring communicating valve, 2, power-assisted chamber communicating valve, 3, lose heart check valve, 4, lose heart pressure limiting valve, 5, leakage
Monitoring system, 6, pressure gauge, 7, tonifying Qi pressure reducing valve, 8, external medium entrance valve, 9, compression cylinder medium entrance valve, 10, tonifying Qi
Check valve, 11, pressure gauge stop valve, 12, clearance adjustment actuating mechanism, 13, external-cooling type executing agency, 14, displacement sensor,
15, pipeline is monitored, 16, external medium air inlet pipeline, 12-1, executing agency's shell, 12-2, leakage monitoring mouth, 12-3, piston rod
Seal assembly, 12-4, piston rod, 12-5, clearance cylinder cap, 12-6, power-assisted chamber medium communication port, 12-7, clearance piston seal group
Part, 12-8, compresser cylinder medium outlet, 12-9, clearance piston, 12-10, mounting flange, 12-11, clearance chamber, 12-12,
Leakage monitoring chamber, 12-13, power-assisted chamber, 13-1, the second hydraulic cavities oil inlet, 13-2, external-cooling type piston rod, 13-3, oily piston are close
Sealing assembly, 13-4, the first hydraulic cavities oil inlet, 13-5, the second hydraulic cavities, 13-6, oily piston, 13-7, the first hydraulic cavities, 13-
8, external-cooling type piston rod seal pack, 13-9, external-cooling type executing agency shell, 13-10, external-cooling type power-assisted chamber medium communication port,
13-11, cooling media outlet, 13-12, external-cooling type executing agency mounting flange, 13-13, external-cooling type compresser cylinder medium draw
Outlet, 13-14, heat exchanging chamber, 13-15, external-cooling type clearance piston seal component, 13-16, external-cooling type clearance chamber are 13-17, outer cold
Formula power-assisted chamber, 13-18, external-cooling type clearance piston, 13-19, external-cooling type leakage monitoring mouth, 13-20, external-cooling type leakage monitoring chamber,
13-21, cooling medium inlet.
Specific implementation mode：
In order to clarify the technical characteristics of the invention, below by specific implementation mode, and its attached drawing is combined, to this hair
It is bright to be described in detail.
Embodiment 1：
As shown in Figs. 1-2, a kind of power assisting device of clearance adjustment actuating mechanism, including clearance adjustment actuating mechanism 12, it is remaining
Gap adjustment actuating mechanism 12 is mainly by executing agency shell 12-1, leakage monitoring mouth 12-2, piston rod seal pack 12-3, piston
Bar 12-4, clearance cylinder cap 12-5, power-assisted chamber medium communication port 12-6, clearance piston seal component 12-7, compresser cylinder medium
Outlet 12-8, clearance piston 12-9, mounting flange 12-10, clearance chamber 12-11, leakage monitoring chamber 12-12, power-assisted chamber 12-13
Composition.Power-assisted chamber 12- is constituted between executing agency shell 12-1, clearance cylinder cap 12-5, piston rod 12-4 and clearance piston 12-9
Gas medium is equipped in 13, power-assisted chamber 12-13, compresser cylinder inner cavity is successively through compressor cylinder medium outlet 12-8, pipe
Road, tonifying Qi pressure reducing valve 7, tonifying Qi check valve 10, power-assisted chamber medium communication port 12-6 are connected with power-assisted chamber 12-13, power-assisted chamber 12-
13 are connected through power-assisted chamber medium communication port 12-6, pipeline, the check valve 3 that loses heart, the pressure limiting valve 4 that loses heart with leakage monitoring system 5 successively.
Between piston rod 12-4 and clearance cylinder cap 12-5 be equipped with leakage monitoring chamber 12-12, leakage monitoring chamber 12-12, warp
Leakage monitoring mouth 12-2 and monitoring pipeline 15 are connected with leakage monitoring system 5.
It is equipped with leakage monitoring communicating valve 1 on monitoring pipeline 15.
The pressure gauge 6 of detection power-assisted intracavitary air pressure is equipped at power-assisted chamber medium communication port 12-6.
It is equipped with pressure gauge stop valve 11 in the inlet end of pressure gauge 6.
It is additionally provided with external medium air inlet pipeline 16, external medium air inlet pipeline 16 on the pipeline of 7 front side of tonifying Qi pressure reducing valve
It is equipped with external medium entrance valve 8.
Compression cylinder medium entrance valve 9 is equipped on the pipeline at compresser cylinder medium outlet 12-8.
Power-assisted chamber communicating valve 2 is equipped on the pipeline at power-assisted chamber medium communication port 12-6.
In the present embodiment, in power-assisted chamber 12-13 gas medium preferentially use compresser cylinder in medium, external medium into
Mouthful valve 8 is closed, when compression cylinder medium entrance valve 9 is opened, in compresser cylinder medium by compression cylinder medium entrance valve 9,
Tonifying Qi pressure reducing valve 7, tonifying Qi check valve 10, power-assisted chamber communicating valve 2 and power-assisted chamber medium communication port 12-6 enter power-assisted chamber 12-13,
Other inert gas media, such as nitrogen, argon gas, compression cylinder medium entrance valve 9 can also be used to close, external medium entrance
Valve 8 is opened, and external medium passes through external medium entrance valve 8, tonifying Qi pressure reducing valve 7, tonifying Qi check valve 10,2 and of power-assisted chamber communicating valve
Power-assisted chamber medium communication port 12-6 enters power-assisted chamber 12-13.
In clearance adjustment actuating mechanism work process, using pressure gauge 6, the pressure limiting valve 4 that loses heart, tonifying Qi pressure reducing valve 7, lose heart list
To the pressure medium in the control power-assisted intracavitary such as valve 3, tonifying Qi check valve 10 portion, wherein the Opening pressure for the pressure limiting valve 4 that loses heart compares tonifying Qi
The Opening pressure of pressure reducing valve 7 is slightly higher.Specifically, when clearance piston 12-9 is moved far from compresser cylinder, clearance chamber 12-11 holds
Product becomes larger, and power-assisted chamber 12-13 volumes correspondence becomes smaller, and gas medium pressure increases in power-assisted chamber 12-13, and tonifying Qi pressure reducing valve 7 is closed,
The pressure limiting valve 4 that loses heart is opened, and the gas medium in power-assisted chamber 12-13 passes through power-assisted chamber medium communication port 12-6, power-assisted chamber communicating valve
2, discouraged check valve 3, lose heart pressure limiting valve 4, leakage monitoring system 5 lose heart, and keep pressure medium in power-assisted chamber 12-13 permanent
It is fixed；When clearance piston 12-9 and piston rod 12-4 are not moved or when clearance piston 12-9 is moved to compresser cylinder, clearance
Chamber 12-11 volumes become smaller, and power-assisted chamber 12-13 volumes correspondence becomes larger, and gas medium pressure reduces in power-assisted chamber 12-13, limit of losing heart
Pressure valve 4 is closed, and tonifying Qi pressure reducing valve 7 is opened, and medium or external medium are unidirectional by tonifying Qi pressure reducing valve 7, tonifying Qi in compresser cylinder
Valve 10, power-assisted chamber communicating valve 2, power-assisted chamber medium communication port 12-6 enter power-assisted chamber 12-13 and carry out tonifying Qi, keep power-assisted chamber 12-
Pressure medium is constant in 13.Meanwhile the leakage monitoring system 5 by being connected with leakage monitoring chamber 12-12 can monitor clearance work
Whether plug seal assembly 12-7 or piston rod seal pack 12-3 fails.
Wherein, in power-assisted chamber 12-13 gas pressure size pAMain Basiss compresser cylinder admission pressure psAnd exhaust pressure
Power pdIt determines, further needs exist for considering the influence factors such as type of drive, the frictional force of piston rod, determine that principle is so that piston
The driving force of bar is minimum.When pressure medium is constant in power-assisted chamber 12-13, the maximum load that clearance piston is born is max (pA-
ps, pd-pA), compared with not using power-assisted chamber device, the stress of clearance piston drive rod is obviously reduced, and required driving force is significantly
Decline, ideally even up to 50%, the clearance for high-pressure reciprocating compressor and high compression ratio reciprocating compressor
Regulating system, effect are especially apparent.
Embodiment 2：
As shown in Figure 3,4, it is in place of the present embodiment and the difference of embodiment 1：
The clearance adjustment actuating mechanism is external-cooling type executing agency 13.
External-cooling type executing agency 12 is mainly by displacement sensor 14, the second hydraulic cavities oil inlet 13-1, external-cooling type piston rod
13-2, oily piston seal assembly 13-3, the first hydraulic cavities oil inlet 13-4, the second hydraulic cavities 13-5, oily piston 13-6, the first liquid
Press chamber 13-7, external-cooling type piston rod seal pack 13-8, external-cooling type executing agency shell 13-9, the connection of external-cooling type power-assisted chamber medium
Mouth 13-10, cooling media outlet 13-11, external-cooling type executing agency mounting flange 13-12, external-cooling type compresser cylinder medium draw
Outlet 13-13, heat exchanging chamber 13-14, external-cooling type clearance piston seal component 13-15, external-cooling type clearance chamber 13-16, external-cooling type help
It is power chamber 13-17, external-cooling type clearance piston 13-18, external-cooling type leakage monitoring mouth 13-19, external-cooling type leakage monitoring chamber 13-20, cold
But medium entrance 13-21, heat exchange jacket 13-22 compositions.External-cooling type clearance chamber 13-16 is the working chamber that clearance is adjusted, and controls liquid
Pressure oil enters the second hydraulic cavities 13-5 by the second hydraulic cavities oil inlet 13-1 or is entered by the first hydraulic cavities oil inlet 13-4
First hydraulic cavities 13-7 can be driven oily piston 13-6, external-cooling type piston rod 13-2 and the 13-18 movements of external-cooling type clearance piston, into
And step-less adjustment is carried out to external-cooling type clearance chamber 13-16, external-cooling type leakage monitoring chamber 13-20 passes through external-cooling type leakage monitoring mouth
13-19, leakage monitoring communicating valve 1 are connected with leakage monitoring system 5, leakage monitoring are used for, using recirculated cooling water or heat conduction
Oil enters heat exchanging chamber 13-14 as cooling medium, cooling medium by cooling medium inlet 13-21, by cooling media outlet 13-11
Outflow, cools down executing agency.
In the present embodiment, external-cooling type executing agency shell 13-9, external-cooling type clearance piston 13-18 and external-cooling type piston rod
13-2 etc. forms external-cooling type power-assisted chamber 13-17 inside external-cooling type executing agency, and external-cooling type power-assisted intracavity gas medium is preferentially adopted
With medium in compresser cylinder, connected by compression cylinder medium entrance valve 9, tonifying Qi pressure reducing valve 7, tonifying Qi check valve 10, power-assisted chamber
Port valve 2 and external-cooling type power-assisted chamber medium communication port 13-10 enter external-cooling type power-assisted chamber 13-17, can also use other indifferent gas
Body medium, such as nitrogen, argon gas are connected to by external medium entrance valve 8, tonifying Qi pressure reducing valve 7, tonifying Qi check valve 10, power-assisted chamber
Valve 2 and external-cooling type power-assisted chamber medium communication port 13-10 enter external-cooling type power-assisted chamber 13-17, and using pressure gauge 6, lose heart pressure limiting valve
4, tonifying Qi pressure reducing valve 7, lose heart check valve 3, tonifying Qi check valve 10 etc. control the pressure medium inside external-cooling type power-assisted chamber 13-17,
Wherein, the Opening pressure of discouraged pressure limiting valve 4 is more slightly higher than the Opening pressure of tonifying Qi pressure reducing valve 7.When external-cooling type clearance piston 13-18 is remote
When from compressor cylinder moving, external-cooling type power-assisted chamber 13-17 volumes become smaller, gas medium pressure in external-cooling type power-assisted chamber 13-17
It increasing, tonifying Qi pressure reducing valve 7 is closed, and the unlatching of pressure limiting valve 4 of losing heart is lost heart, otherwise, external-cooling type clearance piston 13-18 and external-cooling type
When piston rod 13-2 is not moved or when external-cooling type clearance piston 13-18 is moved to compresser cylinder, the pressure limiting valve 4 that loses heart is closed,
Tonifying Qi pressure reducing valve 7 open carry out tonifying Qi, leakage monitoring system 5 can monitor external-cooling type clearance piston seal component 13-15 or
Whether external-cooling type piston rod seal pack 13-8 fails.
Power-assisted chamber is arranged in the present invention inside clearance adjustment actuating mechanism, and power-assisted intracavitary medium is controlled by two voltage-controlled valves
Pressure greatly reduces clearance piston both sides differential pressure so that the driving force of executing agency is obviously reduced, and reduces to hydraulic system
Requirement, be conducive to clearance regulating system long-period stable operation.
Above-mentioned specific implementation mode cannot function as limiting the scope of the invention, for the technology people of the art
For member, any alternate modification or transformation made to embodiment of the present invention are all fallen in protection scope of the present invention.
Place is not described in detail by the present invention, is the known technology of those skilled in the art of the present technique.
Claims (9)
1. a kind of power assisting device of clearance adjustment actuating mechanism, it is characterised in that：Including clearance adjustment actuating mechanism, executing agency
Power-assisted chamber is constituted between shell, clearance cylinder cap, piston rod and clearance piston, power-assisted intracavitary is equipped with gas medium, compresser cylinder
Inner cavity successively through compressor cylinder medium outlet, pipeline, tonifying Qi pressure reducing valve, tonifying Qi check valve, power-assisted chamber medium communication port with
Power-assisted chamber is connected, and power-assisted chamber is supervised through power-assisted chamber medium communication port, pipeline, the check valve that loses heart, the pressure limiting valve that loses heart with leakage successively
Examining system is connected.
2. a kind of power assisting device of clearance adjustment actuating mechanism according to claim 1, it is characterised in that：Piston rod with
Leakage monitoring chamber is equipped between clearance cylinder cap, leakage monitoring chamber is through leakage monitoring mouth and monitoring pipeline and leakage monitoring system phase
Even.
3. a kind of power assisting device of clearance adjustment actuating mechanism according to claim 2, it is characterised in that：In monitoring pipeline
It is equipped with leakage monitoring communicating valve.
4. a kind of power assisting device of clearance adjustment actuating mechanism according to claim 1, it is characterised in that：It is situated between in power-assisted chamber
The pressure gauge of detection power-assisted intracavitary air pressure is equipped at matter communication port.
5. a kind of power assisting device of clearance adjustment actuating mechanism according to claim 4, it is characterised in that：In pressure gauge
Inlet end is equipped with pressure gauge stop valve.
6. a kind of power assisting device of clearance adjustment actuating mechanism according to claim 1, it is characterised in that：It is depressurized in tonifying Qi
External medium air inlet pipeline is additionally provided on pipeline on front side of valve, external medium air inlet pipeline is equipped with external medium entrance valve.
7. a kind of power assisting device of clearance adjustment actuating mechanism according to claim 1, it is characterised in that：In compressor gas
Pipeline at cylinder medium outlet is equipped with compression cylinder medium entrance valve.
8. a kind of power assisting device of clearance adjustment actuating mechanism according to claim 1, it is characterised in that：It is situated between in power-assisted chamber
Pipeline at matter communication port is equipped with power-assisted chamber communicating valve.
9. a kind of power assisting device of clearance adjustment actuating mechanism according to claim 1, it is characterised in that：The clearance tune
Section executing agency is external-cooling type executing agency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210471.3A CN108533483A (en) | 2018-03-14 | 2018-03-14 | A kind of power assisting device of clearance adjustment actuating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210471.3A CN108533483A (en) | 2018-03-14 | 2018-03-14 | A kind of power assisting device of clearance adjustment actuating mechanism |
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| Publication Number | Publication Date |
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| CN108533483A true CN108533483A (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810210471.3A Withdrawn CN108533483A (en) | 2018-03-14 | 2018-03-14 | A kind of power assisting device of clearance adjustment actuating mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882394A (en) * | 2019-04-22 | 2019-06-14 | 山东易阳石化节能装备有限公司 | A kind of double acting liquid-filled clearance step-less adjustment executing agency |
| CN109882395A (en) * | 2019-04-22 | 2019-06-14 | 山东易阳石化节能装备有限公司 | A kind of pressure control gasbag-type clearance step-less adjustment executing agency and method |
| CN109915353A (en) * | 2019-04-22 | 2019-06-21 | 山东易阳石化节能装备有限公司 | A kind of quality control gasbag-type clearance step-less adjustment executing agency and method |
| CN109944786A (en) * | 2019-04-22 | 2019-06-28 | 山东易阳石化节能装备有限公司 | A kind of single-acting liquid-filled clearance step-less adjustment executing agency |
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| CN207920827U (en) * | 2018-03-14 | 2018-09-28 | 顾兴坤 | A kind of power assisting device of clearance adjustment actuating mechanism |
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| JPH1182314A (en) * | 1997-09-01 | 1999-03-26 | Japan Steel Works Ltd:The | Displacement adjusting device of displacement reciprocating compressor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882394A (en) * | 2019-04-22 | 2019-06-14 | 山东易阳石化节能装备有限公司 | A kind of double acting liquid-filled clearance step-less adjustment executing agency |
| CN109882395A (en) * | 2019-04-22 | 2019-06-14 | 山东易阳石化节能装备有限公司 | A kind of pressure control gasbag-type clearance step-less adjustment executing agency and method |
| CN109915353A (en) * | 2019-04-22 | 2019-06-21 | 山东易阳石化节能装备有限公司 | A kind of quality control gasbag-type clearance step-less adjustment executing agency and method |
| CN109944786A (en) * | 2019-04-22 | 2019-06-28 | 山东易阳石化节能装备有限公司 | A kind of single-acting liquid-filled clearance step-less adjustment executing agency |
| CN109915353B (en) * | 2019-04-22 | 2024-03-22 | 山东易阳石化节能装备有限公司 | Quality control air bag type clearance stepless adjustment executing mechanism and method |
| CN109882395B (en) * | 2019-04-22 | 2024-03-22 | 山东易阳石化节能装备有限公司 | Pressure control air bag type clearance stepless adjustment executing mechanism and method |
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Application publication date: 20180914 |