CN104344007A - Quick reversing system - Google Patents
Quick reversing system Download PDFInfo
- Publication number
- CN104344007A CN104344007A CN201310329852.0A CN201310329852A CN104344007A CN 104344007 A CN104344007 A CN 104344007A CN 201310329852 A CN201310329852 A CN 201310329852A CN 104344007 A CN104344007 A CN 104344007A
- Authority
- CN
- China
- Prior art keywords
- double
- reversing mechanism
- selector valve
- valve
- quick reversing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K19/00—Arrangements of valves and flow lines specially adapted for mixing fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
Abstract
The invention discloses a quick reversing system comprising reversing valves, a supporting pipeline and executive structures. The quick reversing system is characterized in that the reversing valves are double-shutoff double-discharge straightway ball valves, the executive structures are hydraulic executive structures; the hydraulic executive structures which are independent push valve stems of the reversing valves so that the reversing valves open and close again and again. The quick reversing system has the advantages that by the use of the hydraulic executive structures, air compressibility is avoided, and the time when the hydraulic executive structures push the reversing valves is more accurate and uniform; quick opening and closing of the reversing valves is achieved, the opening-closing time of single valve is up to 30ms+/-3ms, opening-closing time of the reversing valves is greatly shortened, and repeatability is good; the double-shutoff double-discharge straightway ball valves are used as the reversing valves, upstream and downstream double-sealing double-shutoff effect of the reversing valves can be achieved, and the requirements of the reversing valves for long-term zero leakage can be met; the system is solid and durable, costs are reduced, and the safety in reversing gas in the system is also guaranteed.
Description
Technical field
The present invention relates to gas flow standard device field, particularly a kind of quick reversing mechanism of gas discharge standard set-up.
Background technique
Quick reversing mechanism is the key equipment in mass-time method gas flow standard device, and its Main Function makes gas medium in gas flow standard device, carry out flow direction conversion as required.Quick reversing mechanism is generally formed primarily of selector valve, process matched therewith pipeline and execution architecture, wherein the rationality of the switching speed of selector valve and the repeatability of switching time, whole system structure directly affects the technical merit of gas flow standard device, also therefore has material impact to the integral level of gas flow transmission of quantity value.
At present, selector valve in the quick reversing mechanism come into operation both at home and abroad, general main employing floating ball ball valve or stopcock, and mainly driven by pressurized air in execution architecture, thus commutation threshold switch is operated, current selector valve switch is approximately about 50ms turn around time.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Prior art mainly adopts pressurized air to drive, but due to the compressibility of air, each compressed-air actuated time can not be accurately consistent, thus can not the accurate control of selector valve switching speed, the repeatability causing selector valve switching time is poor, and the Exhibition opening times is longer; In addition, because floating ball ball valve exists seal pressure, the friction torque of valve ball and valve base chamber is comparatively large, can not meet selector valve long term zero well and leak requirement, and its switch moment is comparatively large, and switching speed is lower; And stopcock flow coefficient is less, coefficient of partial resistance is comparatively large, and in snap switch process, sealing surface ratio is easier to damage, and causes in selector valve and leaks, cause the cost of repair and replacement, and the leakage of flammable explosive gas simultaneously also can cause potential safety hazard.
Summary of the invention
In order to the selector valve switching time solving prior art is longer, switching time poor repeatability and gas is easily revealed and interior leakage problem, embodiments provide a kind of reversing mechanism fast.Described technological scheme is as follows:
A kind of reversing mechanism fast, described quick reversing mechanism comprises: selector valve, process matched therewith pipeline and execution architecture.Described selector valve adopts and having a double meaningly disconnectedly doublely straightens pass ball valve, and described execution architecture adopts hydraulic pressure execution architecture, promotes the valve rod of described selector valve, make described selector valve repeat switch by independently described hydraulic pressure execution architecture.
Particularly, as preferably, described in described quick reversing mechanism, the having a double meaning disconnected double pressure rating straightening pass ball valve is class900.
Further, described in described quick reversing mechanism, the having a double meaning disconnected double pass ball valve that straightens is provided with two.
Particularly, as preferably, two described having a double meaning disconnected double pass ball valves that straighten of described quick reversing mechanism are 90 degree of layouts.
Particularly, as preferably, described in described quick reversing mechanism, hydraulic pressure execution architecture comprises hydraulic actuator and hydraulic drive mechanism, drives described hydraulic actuator by described hydraulic drive mechanism, makes described hydraulic actuator promote the valve rod of described selector valve.
Further, described in described quick reversing mechanism, hydraulic drive mechanism comprises accumulator, hydraulic control integration module and electronic control module, described hydraulic control integration module is connected with described accumulator respectively with described electronic control module, and described hydraulic control integration module and described electronic control module all drive described hydraulic actuator for controlling described accumulator.
Further, described in described quick reversing mechanism, quick reversing mechanism also comprises gear and tooth bar, described gear and described tooth bar are all arranged between the valve rod of described hydraulic actuator and described selector valve, and described hydraulic actuator promotes the valve rod of described selector valve by described gear and described tooth bar.
The beneficial effect that the technological scheme that the embodiment of the present invention provides is brought is:
The embodiment of the present invention is by adopting hydraulic pressure execution architecture, namely execution architecture adopts hydraulic driving form, it avoids the compressibility of air, thus make each hydraulic pressure execution architecture promote the time of selector valve comparatively accurately unanimously, and achieve the snap switch of selector valve, single valve can reach 30ms ± 3ms switching time, greatly reduces the switching time of selector valve, and repeatability is better; By adopting the having a double meaning disconnected double pass ball valve that straightens as selector valve, the two truncation effect of double-sealing of selector valve upstream and downstream can be formed, the requirement that selector valve long term zero is leaked can be met, durable, while reducing costs, also ensure that Security when gas commutates in the present invention as required.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the quick reversing mechanism structural representation that the embodiment of the present invention provides.
Wherein: 1 selector valve, selector valve before 11 tanks, 12 bypass selector valves,
2 execution architectures, 21 hydraulic actuators, 22 hydraulic drive mechanisms,
3 process matched therewith pipelines.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
As shown in Figure 1, the quick reversing mechanism of the one that the embodiment of the present invention provides, described quick reversing mechanism comprises: selector valve 1, process matched therewith pipeline 3 and execution architecture 2.Described selector valve 1 adopts and having a double meaningly disconnected doublely straightens pass ball valve, and described execution architecture 2 adopts hydraulic pressure execution architecture, promotes the valve rod of described selector valve 1, make described selector valve 1 repeat switch by independently described hydraulic pressure execution architecture.
The embodiment of the present invention is by adopting hydraulic pressure execution architecture, namely execution architecture 2 adopts hydraulic driving form, it avoids the compressibility of air, thus make each hydraulic pressure execution architecture 2 promote the time of selector valve 1 comparatively accurately unanimously, and achieve the snap switch of selector valve 1, single valve can reach 30ms ± 3ms switching time, greatly reduces the switching time of selector valve 1, and repeatability is better; By adopting the having a double meaning disconnected double pass ball valve that straightens as selector valve 1, the two truncation effect of double-sealing of selector valve 1 upstream and downstream can be formed, the requirement that selector valve 1 long term zero is leaked can be met, durable, while reducing costs, avoid the possible leakage of rock gas and interior leakage, ensure that the Security of rock gas in flow measurement process.
Particularly, as preferably, described in described quick reversing mechanism, the having a double meaning disconnected double pressure rating straightening pass ball valve is class900.Wherein, class refers to the unit of measurement made in Great Britain of nominal pressure, for adapting to the requirement of selector valve 1 snap switch, select pressure rating to be that the having a double meaning disconnected double of class900 straightens pass ball valve, can actual demand be adapted to, generally be used in the situation of below 6.0MPa, certainly, those skilled in the art are known, also according to actual needs, can select other respective level.
As shown in Figure 1, further, described in described quick reversing mechanism, the having a double meaning disconnected double pass ball valve that straightens is provided with two.
As shown in Figure 1, particularly, as preferably, two described having a double meaning disconnected double pass ball valves that straighten of described quick reversing mechanism are 90 degree of layouts.
Wherein, selector valve 1 generally comprises selector valve 11 and bypass selector valve 12 before tank, two selector valves 1 coordinate and commutate fast to the gas in the present invention, two selector valves 1 all adopt and having a double meaningly disconnectedly doublely straighten pass ball valve, and the installation position in process matched therewith pipeline 3 is 90 degree of layouts, the pressure drop in process matched therewith pipeline 3 can be made minimum, thus be convenient to the parameter such as pressure, temperature in actual test process matched therewith pipeline 3, to carry out test and comparison to actual effect of the present invention; And two having a double meaning disconnected double switch control rule modes straightening pass ball valve are that synchronous and asynchronous is adjustable, and asynchronous time difference is adjustable, during practical operation, the pressure measurement uncertainty of gas medium in process matched therewith pipeline 3 can be made minimum, and the uncertainty of mass measurement fast in commutation process is minimum, pass through uncertainty calculation, the requirement of the simple standard mass flow uncertainty 0.05% (k=2) of 6.0MPa gas discharge can be met, thus the technical merit of China's gas flow standard device is reached advanced world standards; Certainly, those skilled in the art are known, also can according to actual needs, arrange multiplely having a double meaningly disconnectedly doublely to straighten pass ball valve.
As shown in Figure 1, particularly, as preferably, described in described quick reversing mechanism, hydraulic pressure execution architecture comprises hydraulic actuator 21 and hydraulic drive mechanism 22, drive described hydraulic actuator 21 by described hydraulic drive mechanism 22, make described hydraulic actuator 21 promote the valve rod of described selector valve 1.
Wherein, hydraulic actuator 21 is directly connected with selector valve before tank 11, bypass selector valve 12 respectively, and hydraulic drive mechanism 22 is connected with hydraulic actuator 21.
Further, described in described quick reversing mechanism, hydraulic drive mechanism 22 comprises accumulator, hydraulic control integration module and electronic control module, described hydraulic control integration module is connected with described accumulator respectively with described electronic control module, and described hydraulic control integration module and described electronic control module all drive described hydraulic actuator 21 for controlling described accumulator.
Further, described in described quick reversing mechanism, quick reversing mechanism also comprises gear and tooth bar, described gear and described tooth bar are all arranged between described hydraulic actuator 21 and the valve rod of described selector valve 1, and described hydraulic actuator 21 promotes the valve rod of described selector valve 1 by described gear and described tooth bar.
The present invention is applicable to the process matched therewith pipeline 3 of various bore, meets the requirement of building large discharge, high-level gas flow standard.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a quick reversing mechanism, described quick reversing mechanism comprises: selector valve, process matched therewith pipeline and execution architecture, it is characterized in that, described selector valve adopts and having a double meaningly disconnectedly doublely straightens pass ball valve, described execution architecture adopts hydraulic pressure execution architecture, promote the valve rod of described selector valve by independently described hydraulic pressure execution architecture, make described selector valve repeat switch.
2. quick reversing mechanism according to claim 1, is characterized in that, the described having a double meaning disconnected double pressure rating straightening pass ball valve is class900.
3. quick reversing mechanism according to claim 2, is characterized in that, the described having a double meaning disconnected double pass ball valve that straightens is provided with two.
4. quick reversing mechanism according to claim 3, is characterized in that, two described having a double meaning disconnected double pass ball valves that straighten are 90 degree of layouts.
5. quick reversing mechanism according to claim 1, it is characterized in that, described hydraulic pressure execution architecture comprises hydraulic actuator and hydraulic drive mechanism, drives described hydraulic actuator by described hydraulic drive mechanism, makes described hydraulic actuator promote the valve rod of described selector valve.
6. quick reversing mechanism according to claim 5, it is characterized in that, described hydraulic drive mechanism comprises accumulator, hydraulic control integration module and electronic control module, described hydraulic control integration module is connected with described accumulator respectively with described electronic control module, and described hydraulic control integration module and described electronic control module all drive described hydraulic actuator for controlling described accumulator.
7. quick reversing mechanism according to claim 6, it is characterized in that, described quick reversing mechanism also comprises gear and tooth bar, described gear and described tooth bar are all arranged between the valve rod of described hydraulic actuator and described selector valve, and described hydraulic actuator promotes the valve rod of described selector valve by described gear and described tooth bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329852.0A CN104344007B (en) | 2013-07-31 | 2013-07-31 | A kind of quickly exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310329852.0A CN104344007B (en) | 2013-07-31 | 2013-07-31 | A kind of quickly exchange system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104344007A true CN104344007A (en) | 2015-02-11 |
| CN104344007B CN104344007B (en) | 2016-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310329852.0A Active CN104344007B (en) | 2013-07-31 | 2013-07-31 | A kind of quickly exchange system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104344007B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57157879A (en) * | 1981-03-24 | 1982-09-29 | Japan Steel Works Ltd:The | Poppet type direction selector valve with flow control function |
| EP0793043A1 (en) * | 1995-09-20 | 1997-09-03 | Kitz Corporation | Valve driving device |
| CN2422127Y (en) * | 2000-03-03 | 2001-03-07 | 武汉威奇数控技术公司 | Fast hydraulic driving device of press based on fast switch valve |
| CN201502577U (en) * | 2009-09-15 | 2010-06-09 | 苏州大学 | Hydraulic reversing device |
| CN102434699A (en) * | 2011-09-28 | 2012-05-02 | 克里特集团有限公司 | Remote monitoring system of ball valve for long-distance pipeline and using method thereof |
| CN202280672U (en) * | 2011-10-11 | 2012-06-20 | 东营胜利高原有限公司 | Flywheel energy storage type hydraulic reversing system |
| CN202788685U (en) * | 2012-08-14 | 2013-03-13 | 中国石油化工股份有限公司 | Oil well working fluid fast reversing device |
-
2013
- 2013-07-31 CN CN201310329852.0A patent/CN104344007B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57157879A (en) * | 1981-03-24 | 1982-09-29 | Japan Steel Works Ltd:The | Poppet type direction selector valve with flow control function |
| EP0793043A1 (en) * | 1995-09-20 | 1997-09-03 | Kitz Corporation | Valve driving device |
| CN2422127Y (en) * | 2000-03-03 | 2001-03-07 | 武汉威奇数控技术公司 | Fast hydraulic driving device of press based on fast switch valve |
| CN201502577U (en) * | 2009-09-15 | 2010-06-09 | 苏州大学 | Hydraulic reversing device |
| CN102434699A (en) * | 2011-09-28 | 2012-05-02 | 克里特集团有限公司 | Remote monitoring system of ball valve for long-distance pipeline and using method thereof |
| CN202280672U (en) * | 2011-10-11 | 2012-06-20 | 东营胜利高原有限公司 | Flywheel energy storage type hydraulic reversing system |
| CN202788685U (en) * | 2012-08-14 | 2013-03-13 | 中国石油化工股份有限公司 | Oil well working fluid fast reversing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104344007B (en) | 2016-12-28 |
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| C14 | Grant of patent or utility model | ||
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