CN109944786A - A kind of single-acting liquid-filled clearance step-less adjustment executing agency - Google Patents
A kind of single-acting liquid-filled clearance step-less adjustment executing agency Download PDFInfo
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- CN109944786A CN109944786A CN201910324768.7A CN201910324768A CN109944786A CN 109944786 A CN109944786 A CN 109944786A CN 201910324768 A CN201910324768 A CN 201910324768A CN 109944786 A CN109944786 A CN 109944786A
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- executing agency
- clearance
- chamber
- filling liquid
- liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 118
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims description 23
- 239000002828 fuel tank Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims description 2
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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- Compressor (AREA)
Abstract
The present invention relates to a kind of single-acting liquid-filled clearance step-less adjustment executing agencies.The single-acting liquid-filled clearance step-less adjustment executing agency includes executing agency's shell, clearance piston, seal assembly, displacement sensor and filling liquid control unit.The single-acting liquid-filled clearance step-less adjustment executing agency clearance piston utilizes the corresponding volume for adjusting clearance volume chamber of the volume for adjusting filling liquid chamber not by piston rod driving, and overall structure greatly shortens, and facilitates adjusting, using safe flexible.
Description
Technical field
The present invention relates to reciprocating compressor tolerance regulation technology field more particularly to a kind of liquid-filled clearance of single-acting without
Grade adjustment actuating mechanism.
Background technique
Reciprocating compressor needs can adjust capacity in a certain range, to meet the requirement of production.Clearance adjusts gas
Amount is a kind of common regulative mode, by adjusting the clearance size of compresser cylinder, changes compressor bulk coefficient, thus real
The adjusting of existing compressor tolerance has many advantages, such as to invest small, reliable performance.Wherein, clearance Technology of stepless is by compressor
Cylinder head is changed to clearance adjustment actuating mechanism, drives executing agency to obtain appropriately sized clearance volume, easy to adjust,
Superior performance.
The clearance chamber volume of clearance step-less adjustment executing agency is controlled by clearance cylinder barrel and moveable piston.Current is movable
Piston is provided with piston rod, then is driven and locked by the modes such as hydraulic, electronic, pneumatic, mechanical.Therefore, machine is executed
Structure structure is longer, weight is bigger than normal, and some also needs to increase support, and checking maintenance space is even influenced after some transformations.
Summary of the invention
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of liquid-filled clearance step-less adjustments of single-acting to execute machine
Structure, clearance piston are not driven by piston rod, but utilize the corresponding volume for adjusting clearance volume chamber of the volume for adjusting filling liquid chamber,
Solve problems of the prior art.
The present invention is achieved through the following technical solutions:
A kind of single-acting liquid-filled clearance step-less adjustment executing agency, including executing agency's shell, clearance piston, sealing group
Part, displacement sensor and filling liquid control unit；
Executing agency's shell is divided into clearance volume chamber and filling liquid chamber by clearance piston, and the filling liquid chamber and filling liquid control are single
Member is connected；
The filling liquid control unit and displacement sensor cooperation adjust clearance for controlling the intracavitary filling amount of filling liquid
The volume of cavity volume.
The seal assembly is set between clearance piston and executing agency's shell, and the seal assembly is for preventing filling liquid chamber
Interior liquid medium leakage.
Single-acting liquid-filled clearance step-less adjustment executing agency further includes leakage monitoring chamber, and the seal assembly is set to
Between the clearance piston and executing agency's shell of leakage monitoring chamber two sides, the leakage monitoring chamber is for monitoring the close of seal assembly
Feng Xing.
The filling liquid control unit includes filling liquid chamber outlet valve, flow-limiting valve, overflow valve, fuel tank, hydraulic pump, check valve, storage
It can device, filling liquid chamber inlet valve and pipeline.
The filling liquid chamber is formed by clearance piston end surface and executing agency's shell inner surface.
The chamber of recessed clearance piston end surface setting, the chamber and the execution machine corresponding to it are equipped on clearance piston
Structure shell inner surface forms the filling liquid chamber.
The liquid medium of the filling liquid control unit is that hydraulic oil, compressor lubricant oil or boiling point are higher than compresser cylinder most
The liquid medium of elevated operating temperature.
The setting limit journey baffle ring on executing agency's shell of clearance volume chamber side.
The limit journey baffle ring is for preventing clearance piston from colliding with compressor piston.
Single-acting liquid-filled clearance step-less adjustment executing agency further includes heat-exchanging component, and the heat-exchanging component is set to institute
It is intracavitary to state filling liquid.
The heat-exchanging component is used to cool down executing agency, can extend seal assembly service life, reduces compression process index,
Work done during compression is saved, filling liquid chamber operating temperature is stablized.
The heat-exchanging component is heat exchange coil.
Single-acting liquid-filled clearance step-less adjustment executing agency, further includes pressure sensor, and/or temperature sensing
Device.
The pressure sensor, temperature sensor are set in the intracavitary executing agency's shell inner end cap of filling liquid.
Beneficial effects of the present invention:
The single-acting liquid-filled clearance step-less adjustment executing agency adjusts clearance appearance by the way that the volume for adjusting filling liquid chamber is corresponding
The volume of product chamber does not drive piston rod and oil piston, shortens executing agency without driving clearance piston by piston rod
Axial length.The intracavitary liquid medium of filling liquid can play buffer function to clearance piston, be conducive to extend making for executing agency
Use the service life；The limit journey baffle ring being arranged on executing agency's shell, can prevent clearance piston from colliding with compressor piston；By setting
Leakage monitoring is set, can monitor whether seal assembly fails.The executing agency is compact-sized, easy to adjust, safe and reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is filling liquid control unit composition schematic diagram in Fig. 1；
Fig. 3 is Tu1Zhong executing agency schematic diagram of housing structure；
Fig. 4 is the structural schematic diagram of the embodiment of the present invention 2.
In figure, 1 filling liquid control unit, 2 displacement sensors, 3 executing agency's shells, 4 clearance pistons, 5 seal assemblies, 6 are let out
Leakage monitoring chamber, 7 filling liquid chambers, 8 clearance volume chambers, 9 heat exchange coils, 10 pressure sensors, 11 temperature sensors, 1-1 filling liquid chamber go out
Mouth valve, 1-2 flow-limiting valve, 1-3 overflow valve, 1-4 fuel tank, 1-5 hydraulic pump, 1-6 check valve, 1-7 accumulator, 1-8 filling liquid chamber import
Valve, 3-1 limit journey baffle ring, 3-2 executing agency cylinder, the outlet of 3-3 filling liquid chamber, 3-4 executing agency end cap, the import of 3-5 filling liquid chamber, 3-
6 leakage monitoring mouths, 3-7 connecting flange, 3-8 executing agency housing cavity.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.
Embodiment 1
As shown in Figure 1-3, the single-acting liquid-filled clearance step-less adjustment executing agency is passed by filling liquid control unit 1, displacement
Sensor 2, executing agency's shell 3, clearance piston 4, seal assembly 5 and pipeline are constituted.Filling liquid control unit 1 is mainly gone out by filling liquid chamber
Mouth valve 1-1, flow-limiting valve 1-2, overflow valve 1-3, fuel tank 1-4, hydraulic pump 1-5, check valve 1-6, accumulator 1-7, filling liquid chamber import
Valve 1-8 and pipeline are constituted.
Be equipped with the chamber of recessed clearance piston end surface setting on 4 one end face of clearance piston, the chamber and its corresponding to
Executing agency's shell inner surface form the filling liquid chamber 7.It is equipped on clearance piston 4 and executing agency's shell contact surface side wall
Leakage monitoring chamber 6 is equipped with the output pipe for the setting that is connected with the leakage monitoring chamber in executing agency's housing sidewall.Once
Clearance piston seal performance goes wrong, and leakage enters leakage monitoring chamber and then flowed out by output pipe.
The seal assembly 5 is two groups, and two groups of seal assemblies are respectively arranged on 6 two sides of leakage monitoring chamber.
Institute's displacement sensors 2 are connected with the clearance piston inner sidewall of filling liquid chamber side, for determining that clearance piston is opposite
In the position of executing agency's shell.
Original state is opened filling liquid chamber outlet valve 1-1, filling liquid chamber inlet valve 1-8, is filled filling liquid chamber 7 using hydraulic pump 1-5
Full liquid medium empties the intracavitary gas of filling liquid, closes filling liquid chamber outlet valve 1-1, filling liquid chamber inlet valve 1-8.Working condition, first
It is required to determine clearance volume appropriate according to compressor tolerance, then is converted into clearance piston position.If you need to increase clearance volume, then
Filling liquid chamber outlet valve 1-1 is opened, pushes clearance piston 4 to move using compresser cylinder side gas pressure, reduces filling amount, according to
The clearance piston position that displacement sensor 2 obtains, control filling liquid chamber outlet valve 1-1 are closed；If you need to reduce clearance volume, then open
Filling liquid chamber inlet valve 1-8 pushes clearance piston 4 to move using the pressure medium of hydraulic pump 1-5 or accumulator 1-7, and increase is filled
Liquid measure, according to the clearance piston position that displacement sensor 2 obtains, control filling liquid chamber inlet valve 1-8 is closed.It is controlled using filling liquid single
Member 1 and displacement sensor 2 control the filling amount in filling liquid chamber 7, and the volume step-less adjustment of clearance volume chamber can be realized, meet past
The requirement of twin compressor tolerance step-less adjustment.
Leakage monitoring chamber 6 is formed by 4 side of clearance piston and executing agency's shell 3, for monitoring whether seal assembly loses
Effect ensures executing agency's safe operation.The setting limit journey baffle ring 3-1 of executing agency's shell 3, prevents clearance piston and compressor piston
It collides；Connecting flange 3-7 is set, for connecting with compresser cylinder.Leakage monitoring chamber 6, filling liquid chamber 7, clearance volume chamber 8
Between by seal assembly 5 realize sealing.
Seal assembly 5 can select sealing ring.
Embodiment 2
As shown in figure 4, the single-acting liquid-filled clearance step-less adjustment executing agency is the single-acting filling liquid with heat exchange coil 9
Formula clearance step-less adjustment executing agency.The executing agency is by filling liquid control unit 1, displacement sensor 2, executing agency's shell 3, remaining
Gap piston 4, seal assembly 5, heat exchange coil 9, pressure sensor 10, temperature sensor 11 and pipeline etc. are constituted.Filling liquid control is single
Member 1 is mainly by filling liquid chamber outlet valve 1-1, flow-limiting valve 1-2, overflow valve 1-3, fuel tank 1-4, hydraulic pump 1-5, check valve 1-6, accumulation of energy
Device 1-7, filling liquid chamber inlet valve 1-8 and pipeline are constituted.
Be equipped with the chamber of recessed clearance piston end surface setting on 4 one end face of clearance piston, the chamber and its corresponding to
Executing agency's shell inner surface form the filling liquid chamber 7.It is equipped on clearance piston 4 and executing agency's shell contact surface side wall
Leakage monitoring chamber 6 is equipped with the output pipe for the setting that is connected with the leakage monitoring chamber in executing agency's housing sidewall.
The seal assembly 5 is two groups, and two groups of seal assemblies are respectively arranged on 6 two sides of leakage monitoring chamber.
It is equipped with a strut on the clearance piston side wall of filling liquid chamber side, institute's displacement sensors 2 are equipped on strut；?
The heat exchange coil 9 is set on the outside of strut.
Original state is opened filling liquid chamber outlet valve 1-1, filling liquid chamber inlet valve 1-8, is filled filling liquid chamber using hydraulic pump 1-5
Full liquid medium empties the intracavitary gas of filling liquid, closes filling liquid chamber outlet valve 1-1, filling liquid chamber inlet valve 1-8.Working condition, first
It is required to determine clearance volume appropriate according to compressor tolerance, then is converted into piston position.If you need to increase clearance volume, then open
Filling liquid chamber outlet valve 1-1 pushes clearance piston motion using compresser cylinder side gas pressure, filling amount is reduced, according to displacement
Sensor 2 controls filling liquid chamber outlet valve 1-1 and closes；If you need to reduce clearance volume, then filling liquid chamber inlet valve 1-8 is opened, liquid is utilized
The pressure medium of press pump 1-5 or accumulator 1-7 push clearance piston motion, increase filling amount, are controlled according to displacement sensor 2
Filling liquid chamber inlet valve 1-8 is closed.Filling amount is controlled using filling liquid control unit and displacement sensor, clearance volume chamber can be realized
Volume step-less adjustment, meet the requirement of reciprocating compressor tolerance step-less adjustment.By 4 side of clearance piston and executing agency's shell
Body 3 forms leakage monitoring chamber 6, for monitoring whether seal assembly fails, ensures executing agency's safe operation.Executing agency's shell
3 setting limit journey baffle ring 3-1, prevent clearance piston from colliding with compressor piston；Connecting flange 3-7 is set, is used for and compression
The connection of machine cylinder.Leakage monitoring chamber 6, filling liquid chamber 7 by seal assembly 5 realize sealing between clearance volume chamber 8.What is be arranged changes
Hot coil 9 not only contributes to extend seal assembly service life, and can reduce compression process for cooling down executing agency
Index saves work done during compression；The operating temperature of filling liquid chamber can also be stablized, clearance volume is kept to stablize.The pressure sensor of setting
10 and temperature sensor 11, can preferably observe the operation conditions of executing agency, for safe operation and fault diagnosis provide according to
According to.
By the intracavitary setting heat exchange coil 9 of filling liquid in single-acting liquid-filled clearance step-less adjustment executing agency, executing
Pressure sensor 10 and temperature sensor 11 is arranged in mechanism end cap, so that the adjusting operation of clearance volume is more reliable and more stable, has
Conducive to the safe operation of clearance regulating system long period.
Above-mentioned specific embodiment 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 fallen within the scope of protection of the present invention.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.
Claims (10)
1. a kind of single-acting liquid-filled clearance step-less adjustment executing agency, which is characterized in that living including executing agency's shell, clearance
Plug, seal assembly, displacement sensor and filling liquid control unit；
Executing agency's shell is divided into clearance volume chamber and filling liquid chamber, the filling liquid chamber and filling liquid control unit phase by clearance piston
Even；
The filling liquid control unit and displacement sensor cooperation adjust clearance volume for controlling the intracavitary filling amount of filling liquid
The volume of chamber.
2. the liquid-filled clearance step-less adjustment of single-acting according to claim 1 executing agency, which is characterized in that the sealing
Component is set between clearance piston and executing agency's shell, and the liquid medium that the seal assembly is used to prevent filling liquid intracavitary is let out
Leakage.
3. the liquid-filled clearance step-less adjustment of single-acting according to claim 1 executing agency, which is characterized in that further include letting out
Leakage monitoring chamber；The seal assembly is set between the clearance piston and executing agency's shell of leakage monitoring chamber two sides, the leakage
Monitoring chamber is used to monitor the leakproofness of seal assembly.
4. the liquid-filled clearance step-less adjustment of single-acting according to claim 1-3 executing agency, which is characterized in that
The filling liquid control unit includes filling liquid chamber outlet valve, flow-limiting valve, overflow valve, fuel tank, hydraulic pump, check valve, accumulator, filling liquid
Chamber inlet valve and pipeline.
5. the liquid-filled clearance step-less adjustment of single-acting according to claim 1-3 executing agency, which is characterized in that
The filling liquid chamber is formed by clearance piston end surface and executing agency's shell inner surface.
6. the liquid-filled clearance step-less adjustment of single-acting according to claim 5 executing agency, which is characterized in that living in clearance
Be equipped with the chamber of recessed clearance piston end surface setting beyond the Great Wall, the chamber with its corresponding to executing agency's shell inner surface formed
The filling liquid chamber.
7. the liquid-filled clearance step-less adjustment of single-acting according to claim 1-3 executing agency, which is characterized in that
The liquid medium of the filling liquid control unit is that hydraulic oil, compressor lubricant oil or boiling point are higher than compresser cylinder highest work temperature
The liquid medium of degree.
8. the liquid-filled clearance step-less adjustment of single-acting according to claim 1-3 executing agency, which is characterized in that
The setting limit journey baffle ring on executing agency's shell of clearance volume chamber side.
9. the liquid-filled clearance step-less adjustment of single-acting according to claim 1-3 executing agency, which is characterized in that
It further include heat-exchanging component, it is intracavitary that the heat-exchanging component is set to the filling liquid.
10. the liquid-filled clearance step-less adjustment of single-acting according to claim 9 executing agency, which is characterized in that further include
Pressure sensor, and/or temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910324768.7A CN109944786A (en) | 2019-04-22 | 2019-04-22 | A kind of single-acting liquid-filled clearance step-less adjustment executing agency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910324768.7A CN109944786A (en) | 2019-04-22 | 2019-04-22 | A kind of single-acting liquid-filled clearance step-less adjustment executing agency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109944786A true CN109944786A (en) | 2019-06-28 |
Family
ID=67015853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910324768.7A Withdrawn CN109944786A (en) | 2019-04-22 | 2019-04-22 | A kind of single-acting liquid-filled clearance step-less adjustment executing agency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109944786A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090551A (en) * | 2021-03-05 | 2021-07-09 | 张宇佳 | Air pressure adjusting device of water pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201865889U (en) * | 2010-11-30 | 2011-06-15 | 赖梦超 | Clearance stepless adjustment actuator of reciprocating compressor |
| CN203516006U (en) * | 2013-10-29 | 2014-04-02 | 金帝子 | Passive clearance adjusting system of reciprocating compressor |
| CN203978771U (en) * | 2014-08-08 | 2014-12-03 | 山东易阳石化节能装备有限公司 | A kind of stepless tolerance adjustment actuating mechanism of essential safe type clearance of reciprocating compressor |
| CN105781957A (en) * | 2016-01-29 | 2016-07-20 | 山东易阳石化节能装备有限公司 | Multifunctional leakage monitoring system of executing mechanisms of compressor and clearance air flow regulation system |
| CN108194341A (en) * | 2018-03-14 | 2018-06-22 | 顾兴坤 | Utilize the clearance stepless regulating system of executing agency's cooling water control hydraulic fluid temperature |
| CN108533483A (en) * | 2018-03-14 | 2018-09-14 | 顾兴坤 | A kind of power assisting device of clearance adjustment actuating mechanism |
| CN209925185U (en) * | 2019-04-22 | 2020-01-10 | 山东易阳石化节能装备有限公司 | Single-action liquid-filled type clearance stepless adjusting actuating mechanism |
-
2019
- 2019-04-22 CN CN201910324768.7A patent/CN109944786A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201865889U (en) * | 2010-11-30 | 2011-06-15 | 赖梦超 | Clearance stepless adjustment actuator of reciprocating compressor |
| CN203516006U (en) * | 2013-10-29 | 2014-04-02 | 金帝子 | Passive clearance adjusting system of reciprocating compressor |
| CN203978771U (en) * | 2014-08-08 | 2014-12-03 | 山东易阳石化节能装备有限公司 | A kind of stepless tolerance adjustment actuating mechanism of essential safe type clearance of reciprocating compressor |
| CN105781957A (en) * | 2016-01-29 | 2016-07-20 | 山东易阳石化节能装备有限公司 | Multifunctional leakage monitoring system of executing mechanisms of compressor and clearance air flow regulation system |
| CN108194341A (en) * | 2018-03-14 | 2018-06-22 | 顾兴坤 | Utilize the clearance stepless regulating system of executing agency's cooling water control hydraulic fluid temperature |
| CN108533483A (en) * | 2018-03-14 | 2018-09-14 | 顾兴坤 | A kind of power assisting device of clearance adjustment actuating mechanism |
| CN209925185U (en) * | 2019-04-22 | 2020-01-10 | 山东易阳石化节能装备有限公司 | Single-action liquid-filled type clearance stepless adjusting actuating mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090551A (en) * | 2021-03-05 | 2021-07-09 | 张宇佳 | Air pressure adjusting device of water pump |
| CN113090551B (en) * | 2021-03-05 | 2022-11-25 | 佛山市兴沃机电有限公司 | Impeller chamber volume adjusting device of water pump |
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| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190628 |
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| WW01 | Invention patent application withdrawn after publication |