CN109870363A - A kind of pressure-measuring method and pressure testing system - Google Patents
A kind of pressure-measuring method and pressure testing system Download PDFInfo
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- CN109870363A CN109870363A CN201910101651.2A CN201910101651A CN109870363A CN 109870363 A CN109870363 A CN 109870363A CN 201910101651 A CN201910101651 A CN 201910101651A CN 109870363 A CN109870363 A CN 109870363A
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- Measuring Fluid Pressure (AREA)
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Abstract
The invention discloses a kind of pressure-measuring method and pressure testing systems, it is characterized by: at least 2 groups of testboards are arranged in pressure testing system, the testboard is connected with the defeated pipeline of at least two point, the valve of described point of defeated pipeline setting regulating gas admission pressure, to realize the pressure testing simultaneously under the conditions of different pressure values of at least two pressure testing part.The present invention improves testing efficiency, and previous single test pattern has been become composite mode, the service life of test macro components has further been extended, while reducing labour expenditure, reduces costs, also have better economic benefit.
Description
Technical field
The present invention relates to machinery fields, specifically, being related to a kind of pressure-measuring method and pressure testing system.
Background technique
As the improvement of people's living standards, pipe gas is more more and more universal in urban life, since combustion gas is conveying
Pressure in pipeline is larger, and only needs the combustion gas of lower pressure when use in daily life, production, in conveyance conduit and user
Between need to carry out combustion gas pressure regulation, meanwhile, in order to ensure user's gas safety, also need the cutting gas of results of regular determination pressure regulating box
Pressure.Since the test of pressure regulating box cut-out pressure needs to close pressure regulating box exits and entrances valve, the testing time is too long to will affect downstream user
Just common gas.
Conventional test device can only measure the cut-out pressure or outlet pressure of a device each time, in batch metaplasia
Today of production, it is clear that it is comparatively laborious in this test mode, and the failure for easily causing equipment part is frequently changed, therefore
Need to provide a kind of method and pressure testing system for improving testing efficiency.
Summary of the invention
In view of this, an object of the present invention is to provide a kind of pressure-measuring method, have improve test outlet pressure or
The advantages of efficiency of person's cut-out pressure, the second purpose provide a kind of pressure testing to work using pressure-measuring method proposed by the present invention
System.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of pressure-measuring method, is arranged at least 2 groups of testboards in pressure testing system, and the testboard is connected at least two point
Defeated pipeline, the valve of described point of defeated pipeline setting regulating gas admission pressure, to realize at least two pressure testing part in different pressure
Pressure testing simultaneously under the conditions of value.
A kind of pressure testing system, including main pipeline and with the concatenated admission line group of the main pipeline, further include with it is described into
The concatenated at least 2 groups of testboards of feed channel group, the testboard are connected with pressure testing device I and pressure testing device II, the pressure testing dress
It sets I and is connected to by point defeated pipeline group with the admission line, described point of defeated pipeline group includes at least two point defeated pipeline in parallel,
Described point of defeated pipeline setting has the valve group for adjusting admission pressure function, and the pressure testing device II and the admission line group connect
It is logical；
Further, the testboard includes the clamping device that vertical direction is sequentially arranged and the undertaking for placing test block
Platform, the adapting table setting are connected to the channel that the test block is connected to pressure testing device I and pressure testing device II；
Further, the pressure testing device I includes device for pressure measurement I, flowmeter and the filter being sequentially communicated；
Further, the pressure testing device II includes the regulating valve being sequentially communicated, pressure release portion and device for pressure measurement II；
Further, the clamping device includes the hydraulic cylinder and support parts being fixedly connected, and the support parts are in top end opening
Construction, and limiting section is arranged in open end；
Further, the pressure release portion includes the pressure release mouth and blow valve being connected in series；
Further, the both ends setting valve body I of the regulating valve and valve body I, the device for pressure measurement I are spring-tube pressure
Measuring device, the device for pressure measurement II are U-tube manometer, and the flow is calculated as ultrasonic flowmeter or turbine flow
Meter；
Further, valve body III is arranged in the admission line end, and the adapting table is filled by connecting pipe and the pressure testing
Set II connection；
Further, the valve body I, valve body II and valve body III are ball valve.
The beneficial effects of the present invention are:
Testing efficiency is improved, previous single test pattern has been become into composite mode, further extends test system
The service life of system components, while reducing labour expenditure, it reduces costs, also has better economic benefit.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target and other advantages of the invention can be wanted by following specification and right
Book is sought to be achieved and obtained.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
The detailed description of one step, in which:
Attached drawing 1 is structural schematic diagram of the embodiment of the present invention；
Attached drawing 2 is pressure testing device I structural schematic diagram；
Attached drawing 3 is pressure testing device II structural schematic diagram；
Attached drawing 4 is the defeated pipeline I of the present embodiment point and point defeated II schematic diagram of pipeline；
Attached drawing 5 is the present embodiment clamping device structural schematic diagram；
Attached drawing 6 is the present embodiment main pipeline and admission line group schematic diagram.
Specific embodiment
Hereinafter reference will be made to the drawings, and a preferred embodiment of the present invention will be described in detail.It should be appreciated that preferred embodiment
Only for illustrating the present invention, rather than limiting the scope of protection of the present invention.
The present invention provides a kind of pressure-measuring methods, specifically, at least 2 groups of testboards, the survey are arranged in pressure testing system
Test stand is connected with the defeated pipeline of at least two point, the valve of described point of defeated pipeline setting regulating gas admission pressure, to realize at least 2
The pressure testing simultaneously under the conditions of different pressure values of a pressure testing part.This method, which has, improves testing efficiency, by previous single survey
The advantages of die trial formula has become composite mode, further extends the service life of test macro components.
The present invention provides a kind of pressure testing system as shown in figs. 1 and 6, including main pipeline 8 and with main pipeline 8 it is concatenated into
Feed channel group 1, further include with 1 concatenated 3 group of testboard 5 of admission line group, admission line group 1 includes in parallel in the present embodiment
Admission line I 11 and admission line II 12, testboard 5 are connected with pressure testing device I3 and pressure testing device II4, and pressure testing device I3 is logical
Excessively defeated pipeline group I2 is connected to admission line I 11, and point defeated pipeline group I2 includes 2 point defeated pipelines in parallel, and a point defeated pipeline is set
The valve group with adjusting admission pressure is set, pressure testing device II4 is connected to the admission line I 1.As shown in figure 4, this implementation
The admission pressure set in example with point defeated pipeline I21 plug valve I23 connecting is 0.2MPa, with the rotation for dividing defeated pipeline II22 to connect
The admission pressure that plug valve II24 is set is 0.45MPa, the air inlet pressure for the plug valve III26 setting connecting with admission line II 12
Power is 0.05MPa.
As a further improvement, testboard 5 includes the clamping device 51 that vertical direction is sequentially arranged and tests for placing
The adapting table of part, adapting table setting are connected to the channel that the test block is connected to pressure testing device I3 and pressure testing device II4.Such as Fig. 5
Shown, clamping device 51 includes the hydraulic cylinder 511 and support parts 512 being fixedly connected, and support parts 512 are constructed in top end opening, and
Limiting section is arranged in open end.Pressure testing part is placed on adapting table, start clamping device 51, then hydraulic cylinder 511 with adapting table to
Upper propulsion abuts pressure testing part with the limiting section of support parts 521, plays fixed effect, and adapting table passes through connecting pipe 6 and examination
Pressure device II4 connection.
As a further improvement, as shown in Fig. 2, pressure testing device I3 includes device for pressure measurement I31, the flow being sequentially communicated
Meter 32, filter 33 and device for pressure measurement II41.
As a further improvement, as shown in figure 3, pressure testing device II4 includes the regulating valve 43 being sequentially communicated, pressure release portion and pressure
Force measuring device II41.
As a further improvement, pressure release portion includes the pressure release mouth 46 and blow valve 42 being connected in series, pressure release mouth 46 is for delaying
Slow pressure release, and can control pressure release speed, the effect of blow valve 42 is to beat blow valve 42 manually when gas pressure is excessively high
It opens, plays the role of safeguard protection.
As a further improvement, the both ends setting valve body I44 and valve body II 45 of regulating valve, device for pressure measurement I31 are bullet
Reed pipe pressure gauge, device for pressure measurement II41 are U-tube manometer, and flowmeter 32 is ultrasonic flowmeter or turbine flowmeter.
Valve body I44, valve body II 45 and valve body III 7 are ball valve, and ball valve is preferable for standard-sized sheet or the state closed entirely, leakproofness.
As a further improvement, valve body III 7 is arranged in 1 end of admission line.
Test the process of the outlet pressure of pressure testing part are as follows:
Plug valve I23, cut-out tap valve II24 and plug valve III26 are opened, device for pressure measurement II41 (U-shaped pressure is read
Power meter) degree.
Test the process of the cut-out pressure of pressure testing part are as follows:
Cut-out tap valve I23, plug valve II24 and plug valve III26, valve body II 45 are normally open, slowly open valve body
I44 after valve body I44 standard-sized sheet, slowly opens regulating valve 43, until the stop valve of pressure testing part is opened, reads device for pressure measurement
II41 reading.
Flow closes pressure test process are as follows:
Plug valve I23 is opened, cut-out tap valve II24, plug valve III26 and blow valve 42 record measuring device II41
Readings, readings at this time are that test block closes pressure, gradually open blow valve 42, observe the variation of flow, and record every group of stream
Outlet pressure under amount, until maximum stream flow of the test block under this group of inlet pressure.Switch admission pressure value, that is, closes rotation
Plug valve I23 and plug valve III26 opens plug valve II24 or cut-out tap valve I23 and plug valve II24, opens plug valve
III26, process are same as above.
The cut-out pressure, outlet pressure and flow that pressure testing part is tested in the present embodiment, which close pressure, to carry out simultaneously.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (10)
1. a kind of pressure-measuring method, it is characterised in that: at least 2 groups of testboards, the testboard are arranged in pressure testing system and is connected with
The defeated pipeline of at least two point, the valve of described point of defeated pipeline setting regulating gas admission pressure, to realize that at least two pressure testing part exists
Pressure testing simultaneously under the conditions of different pressure values.
2. a kind of pressure testing system, including main pipeline and with the concatenated admission line group of the main pipeline, it is characterised in that: further include
With the concatenated at least 2 groups of testboards of the admission line group, the testboard is connected with pressure testing device I and pressure testing device II, institute
It states pressure testing device I and is connected to by point defeated pipeline group I with the admission line group, described point of defeated pipeline group I includes at least two parallel connection
Point defeated pipeline, described point of defeated pipeline setting have a valve group for adjusting admission pressure function, the pressure testing device II with it is described
The connection of admission line group.
3. according to right want 2 described in a kind of pressure testing system, it is characterised in that: the testboard includes that vertical direction is sequentially arranged
Clamping device and adapting table for placing test block, the adapting table setting be connected to the test block and the pressure testing device
The channel of I and pressure testing device II.
4. according to right want 2 described in a kind of pressure testing system, it is characterised in that: the pressure testing device I includes the pressure being sequentially communicated
Force measuring device I, flowmeter, filter and device for pressure measurement II.
5. according to right want 2 described in a kind of pressure testing system, it is characterised in that: the pressure testing device II includes the tune being sequentially communicated
Save valve, pressure release portion and device for pressure measurement II.
6. a kind of pressure testing system according to claim 3, it is characterised in that: the clamping device includes the liquid being fixedly connected
Cylinder pressure and support parts, the support parts are constructed in top end opening, and limiting section is arranged in open end.
7. a kind of pressure testing system according to claim 5, it is characterised in that: the pressure release portion includes the pressure release being connected in series
Mouth and blow valve.
8. a kind of pressure testing system according to claim 5, it is characterised in that: the both ends of regulating valve setting valve body I and
Valve body I, the device for pressure measurement I are bourdon gauges, and the device for pressure measurement II is U-tube manometer, the flow
It is calculated as ultrasonic flowmeter or turbine flowmeter.
9. according to a kind of any pressure testing system of claim 2 and 3, it is characterised in that: valve is arranged in the main pipeline end
Body III, the adapting table are connect by connecting pipe with the pressure testing device II.
10. according to a kind of any pressure testing system of claim 8 and 9, it is characterised in that: the valve body I, valve body II and valve
Body III is ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101651.2A CN109870363B (en) | 2019-01-30 | 2019-01-30 | Pressure testing method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101651.2A CN109870363B (en) | 2019-01-30 | 2019-01-30 | Pressure testing method and system |
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| CN109870363A true CN109870363A (en) | 2019-06-11 |
| CN109870363B CN109870363B (en) | 2021-10-29 |
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