CN203069372U - Valve testing device in vacuum environment - Google Patents

Valve testing device in vacuum environment Download PDF

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Publication number
CN203069372U
CN203069372U CN 201320071041 CN201320071041U CN203069372U CN 203069372 U CN203069372 U CN 203069372U CN 201320071041 CN201320071041 CN 201320071041 CN 201320071041 U CN201320071041 U CN 201320071041U CN 203069372 U CN203069372 U CN 203069372U
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CN
China
Prior art keywords
valve
vacuum
vacuum tank
proving installation
vacuum environment
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Application number
CN 201320071041
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Chinese (zh)
Inventor
秦晓东
杨钢
罗斌
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SICHUAN AOTE ACCESSORY MAINTENANCE CO Ltd
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SICHUAN AOTE ACCESSORY MAINTENANCE CO Ltd
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Priority to CN 201320071041 priority Critical patent/CN203069372U/en
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Abstract

The utility model discloses a valve testing device in a vacuum environment. The valve testing device comprises a vacuum box providing a vacuum environment for a valve, wherein the valve is a to-be-tested device that is disposed in the vacuum box and is connected with a detection bench; the vacuum box is provided with connecting pipes which are communicated with the valve; the connecting pipes are connecting components which are provided with flange structures (1), and comprises an inlet connecting pipe (2) and an outlet connecting pipe (3) which are correspondingly disposed on two sides of the vacuum box; the flange structures (1) are respectively disposed on the inlet connecting pipe (2) and the outlet connecting pipe (3), and are connected with vacuum box bolts; and the inlet connecting pipe (2) is connected on a valve inlet, and the outlet connecting pipe (3) is connected on a valve outlet. The valve testing device is simple in structure; the vacuum box assembly can simply and effectively simulate the vacuum environment needed by the valve test and provide valve test precision; and the valve testing device has the advantages such as simple and fast installation.

Description

Vacuum environment valve proving installation
Technical field
The utility model relates to the valve field tests, specifically, is vacuum environment valve proving installation.
Background technology
Along with aircraft industry developing rapidly in recent years, people also improve day by day to the requirement of aircraft safety performance, in flight control field, all can use valve (valve) in the functional modules such as for example engine start, bleed, anti-icing rainproof, aircraft air condition, supercharging, APU auxiliary power unit, utilization rate is high.Certainly, also just be based on this factor, the valve parameter measurement also becomes the important references object that aircraft accessory is measured.In actual application, also there is higher removal rate in the valve that quantity is huge, kind is various, has a strong impact on the normal operation of air line; therefore; for guaranteeing the normal use of valve, use valve is installed before, the detection of its performance, control parameter is then seemed particularly important.In known technology, for the detection requirement of satisfying existing civil aviaton each size valve of machine and valve control and performance parameter read accurately, conveniently, designed the valve that is applicable to the different size size stand has been installed, the two ends of tested valve then are connected between draft tube that stand is installed, the gas outlet, and be connected with source of the gas, regulate and turn-off multiple valve types such as valve, safety valve applicable to check valve, Isolation Valve, flow control valve, pressure.Yet because the practical flight environment of aircraft is comparatively complicated, ambient pressure and vacuum condition influence the key factor of each annex especially, therefore, the utility model has also proposed vacuum environment valve proving installation, and the vacuum environment in the aircraft practical flight process is provided, and has reference value.
The utility model content
The purpose of this utility model is to provide vacuum environment valve proving installation, reasonable in design, adopt vacuum tank to be coated on the outside of valve, for it provides the simulation vacuum environment, that is: provide vacuum environment in the aircraft practical flight process, can be used for the performance test of valve under different vacuum environments, have reference value, also have the advantages such as simple, quick of installing.
The utility model is achieved through the following technical solutions: vacuum environment valve proving installation, for the different vacuum environments of aircraft flight are provided, the utility model is in the test process of valve performance parameter, this design of simulation vacuum environment has been proposed, its structure is as follows: be included as the vacuum tank that valve provides vacuum environment, valve is to be located in the vacuum tank and the device to be measured that is connected with monitor station, then is provided with the adapter that is communicated with valve on vacuum tank, reasonable in design, and install simple, quick.
In the utility model, described adapter is the link that is provided with flange arrangement, comprise that correspondence is arranged at entrance sleeve and the discharge connection of vacuum tank both sides, flange arrangement is located at respectively on entrance sleeve and the discharge connection, and be connected with the vacuum tank bolt, described entrance sleeve is connected in the valve import, and discharge connection then is connected in the valve outlet.When the actual installation process, can directly add vacuum tank at existing installation stand, and connect by entrance sleeve and discharge connection, can finish assembling, need not the installation stand of resetting new, saved testing cost greatly.
For better realizing said structure, describedly be located at flange arrangement on the entrance sleeve for to be formed by two ring flanges, two ring flanges set gradually from inside to outside and are connected with the vacuum tank bolt, being positioned at inboard ring flange is connected on the vacuum tank, the ring flange that is positioned at the outside then is located on the entrance sleeve, in the assembling process of valve, should unclamp the bolt of entrance sleeve place flange arrangement earlier, entrance sleeve is outwards mobile, so that the placement of valve, and then the valve outlet is connected the discharge connection place, fix by flange arrangement, regulate the flange arrangement at entrance sleeve place at last, that is: ring flange screws bolt arrangement and gets final product.
For better realizing the sealed environment of vacuum tank, improve measuring accuracy, between described flange arrangement and vacuum tank and two ring flanges, all be set with the O RunddichtringO.
Measure and cable passage hole and the pressure measurement pipeline of use the cavernous structure of described cable passage hole for passing through for the valve cable for better realizing the utility model, on described vacuum tank, also being provided with for valve; The pressure measurement pipeline is the pipeline configuration for being connected with the monitor station tensimeter then.
Described pressure measurement pipeline comprises the joint of being located on the vacuum tank, one end of joint is connected with the valve pressure tap, the other end then is connected with the monitor station tensimeter, between joint and valve pressure tap, joint and monitor station tensimeter, also be communicated with flexible pipe, can be used for the measurement of valve pressure parameter under the different vacuum environments.
For better realizing the sealing property of vacuum tank, described joint closely is connected with vacuum tank, can adopt disposable being sealed to form; Cable passes the cable passage hole and connects, and therefore, also is provided with coil in described cable passage hole.
The utility model also is respectively equipped with bleeding point, regulates the throttling valve of vacuum pressure and the Displaying Meter that shows the vacuum number of degrees on described vacuum tank, be provided with vacuum pump at bleeding point, during test, open vacuum pump, regulate throttling valve, read the vacuum tightness of vacuum tank by a joint connection vacuum meter of vacuum tank side.
In the utility model, described vacuum tank is for closely to be formed by connecting by casing and lid, and described adapter, cable passage hole, joint, bleeding point, Displaying Meter, throttling valve all are located on the casing.
For better realizing being provided with screw at described lid by the utility model, lid is fixed on the casing by screw, also is provided with sealing strip at lid with the end face that is connected of casing.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model is reasonable in design, adopts the design of vacuum tank, and the vacuum environment in the energy simulated aircraft practical flight process can be used for the performance test of valve under different vacuum environments, has reference value.
(2) the utility model is installed simple, quick, vacuum tank can directly be installed on the installation stand of existing valve, and connects by entrance sleeve and discharge connection, can finish assembling, need not the installation stand of resetting new, effectively saved testing cost.
(3) entrance sleeve described in the utility model can be realized move left and right by the setting of ring flange, makes things convenient for the assembling of valve, and is simple in structure, improves assembling speed.
(4) the utility model improves measuring accuracy for improving the sealing property of vacuum tank, is equipped with seal between each link, as: sealing strip, mistake coil and O RunddichtringO etc.
(5) the utility model adopts the setting of vacuum pump and throttling valve, can realize the simulation of different vacuum tightnesss in the vacuum tank, and shows that by Displaying Meter more test operation provides convenience.
Description of drawings
Fig. 1 is structural representation of the present utility model
Fig. 2 is cut-open view of the present utility model.
Fig. 3 is the partial structurtes synoptic diagram of A shown in Figure 2.
Fig. 4 is the partial structurtes synoptic diagram of B shown in Figure 2.
Fig. 5 is the partial structurtes synoptic diagram of C shown in Figure 1.
Fig. 6 is the structural representation in cable passage described in the utility model hole.
Fig. 7 is the partial structurtes synoptic diagram of D shown in Figure 2.
1-flange arrangement wherein, 2-entrance sleeve, 3-discharge connection, 4-ring flange, 5-O RunddichtringO, 6-joint, 7-cross coils, 8-throttling valve, 9-vacuum pump, 10-casing, 11-lid, 12-screw, 13-sealing strip.
Embodiment
Be described in further detail below in conjunction with the utility model of embodiment, but embodiment of the present utility model is not limited thereto.
Embodiment:
Based on the Different Effects of vacuum environment to aircraft valve performance parameter, the utility model proposes vacuum environment valve proving installation, the test that can be valve provides different vacuum environments, with the environmental factor of analog valve in the aircraft flight process, its structure such as Fig. 1, shown in Figure 2, being included as valve provides the vacuum tank of vacuum environment, valve is to be located in the vacuum tank and the device to be measured that is connected with monitor station, on vacuum tank, then be provided with the adapter that is communicated with valve, wherein, adapter comprises that correspondence is arranged at entrance sleeve 2 and the discharge connection 3 of vacuum tank both sides, and entrance sleeve 2 is connected in the valve import, and 3 of discharge connections are connected in the valve outlet.In the utility model, entrance sleeve 2, valve, discharge connection 3 are the connectivity structure that links to each other successively, and based on said structure we as can be known, the connection of this vacuum tank is very simple, only need entrance sleeve 2, discharge connection 3 directly are located at the connection that (that is: entrance sleeve 2 connects draft tube, discharge connection 3 connects gas outlets) can realize installing the stand upper pipeline on the installation stand, can not only provide the basis for the valve test, also have advantages such as measuring accuracy height, testing cost are low, suitablely extensively promote the use of.
In the utility model, entrance sleeve 2 and discharge connection 3 are the link that is provided with flange arrangement 1, and as shown in Figure 3, Figure 4, flange arrangement 1 is located at respectively on entrance sleeve 2 and the discharge connection 3, and is connected with the vacuum tank bolt.When the actual installation process, can directly add vacuum tank at existing installation stand, and connect by entrance sleeve 2 and discharge connection 3, can finish assembling, need not the installation stand of resetting new, saved testing cost greatly.And be the assembling that makes things convenient for valve in the vacuum tank, also can carry out move left and right to entrance sleeve 2, realize by following structure: be located at flange arrangement 1 on the entrance sleeve 2 for to be formed by two ring flanges 4, two ring flanges 4 set gradually from inside to outside and are connected with the vacuum tank bolt, being positioned at inboard ring flange 4 is connected on the vacuum tank, 4 on the ring flange that is positioned at the outside is located on the entrance sleeve 2, mobile outer flange dish 4 can be outwards mobile with entrance sleeve 2, and in vacuum tank, reserve enough spaces of placing valve to be measured, after the valve outlet is connected with discharge connection 3, can screw the bolt on the outer flange dish 4, be fixed.For further strengthening the sealing property of vacuum tank, the utility model also all is set with O RunddichtringO 5 between flange arrangement 1 and vacuum tank and two ring flanges 4.
In the utility model, vacuum tank is for closely to be formed by connecting by casing 10 and lid 11, and connect by screw 12, as shown in Figure 5, screw 12 is arranged on the lid 11, also be provided with sealing strip 13 at lid 11 with the end face that is connected of casing 10, after screwing screw 12, lid 11 compresses sealing strip 13 and is anchored on casing 10 structures, installs for convenient, can lid 11 be arranged at the top of casing 10 structures as shown in Figure 1.
As Fig. 1, shown in Figure 2, entrance sleeve 2, discharge connection 3 all is arranged at the both sides of casing 10, except said structure, the utility model also is respectively equipped with the bleeding point that links to each other with vacuum pump 9 on casing 10, regulate the throttling valve 8 of vacuum pressure and the Displaying Meter that shows the vacuum number of degrees, when test, open vacuum pump 9, air in the vacuum tank outwards can be extracted out, be formed vacuum environment, if need to change the vacuum tightness of vacuum environment, can adopt throttling valve 8 to regulate, when regulating, and observe Displaying Meter, reach the vacuum environment that needs after, can stop the adjusting to throttling valve 8, and then under this vacuum environment, carry out the test of valve performance parameter.
For improving the measuring accuracy of valve, at first should guarantee the usability of vacuum tank, in measuring process, valve is located in the vacuum tank and is tested, connect the cable of valve and the pressure measurement pipeline of connection valve pressure tap and then all need be connected on the outer monitor station of vacuum tank, therefore, be the space that overcomes cable, may occur when the pressure measurement pipeline passes vacuum tank, influence the vacuum tightness of vacuum tank, the utility model has also proposed following Seal Design scheme at cable, pressure measurement pipeline respectively:
Cable: be reserved with the cable passage hole that current supply cable passes through on the casing 10, on this access opening, also be provided with coil 7, its structure as shown in Figure 6, cross in the gap that coil 7 is filled in cable and cable passage hole, realize the sealing of casing 10, the type selecting of crossing coil 7 should meet the size in aperture, cable passage hole.
Pressure measurement pipeline: in the utility model, the pipeline configuration of pressure measurement pipeline for being connected with the monitor station tensimeter, its structure comprises the joint of being located on the casing 10 6, as shown in Figure 7, one end of joint 6 is connected with the valve pressure tap, and the other end then is connected with the monitor station tensimeter, when practical application, can adopt flexible pipe respectively butt junction 6 be connected with the monitor station tensimeter with valve pressure tap, joint 6, can be used for the measurement of valve pressure parameter under the different vacuum environments.Be the sealing property of reinforced joint 6 place's casings 10, joint 6 can adopt disposable being sealed to form with vacuum tank.
The installation step of valve vacuum environment can be summarized as follows: (1) assembles valve to be measured: open vacuum tank lid 11, unclamp the bolt of entrance sleeve 2 place's flange arrangements 1, outside mobile entrance sleeve 2, valve to be tested is put into casing 10, the valve outlet is connected on the discharge connection 3, and then entrance sleeve 2 is connected in the valve import, after connecting valve to be measured, suit O RunddichtringO 5 between above-mentioned each web member, and then the bolt at fastening entrance sleeve 2, discharge connection 3 places, with the valve sealing and fixing; (2) stube cable: placed coil 7 in the cable passage hole that is positioned at casing 10 sides, and then cable is passed along the internal diameter of crossing coil 7; (3) connect the pressure measurement pipeline: casing 10 in the joint 6(that lacks flexible pipe connection valve pressure tap and casing 10 sides namely: joint 6 one ends that are positioned at casing 10 inboards), joint 6 one ends that are positioned at casing 10 outsides) and the tensimeter on the test board use the joint 6(of flexible pipe connect box 10 sides more namely:, joint 6 and casing 10 disposable sealings, and unnecessary joint 6 usefulness blanking covers are blocked; (4) lid 11 is installed: lid 11 is covered on the top of casing 10, and between lid 11 and casing 10, places sealing strip 13, tighten the screw 12 on the lid 11 then, finish assembling after, vacuum tank all obtains sealing with extraneous all faying faces; (5) outside of vacuum tank connects: vacuum tank entrance sleeve 2, discharge connection 3 connect the inlet and outlet piping (that is: draft tube, gas outlet) of source of the gas respectively, and vacuum pump 9 is connected to the bleeding point of vacuum tank.During test, open vacuum pump 9, regulate throttling valve 8, the joint 6 by casing 10 sides connects vacuum meters, and reads the vacuum tightness of vacuum tank.This vacuum tank assembly can be tested needed vacuum environment by simple and effective analog valve, and the valve measuring accuracy is provided, and has the advantages such as simple, quick of installing.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all falls within the protection domain of the present utility model any simple modification, equivalent variations that above embodiment does.

Claims (10)

1. vacuum environment valve proving installation is characterized in that: be included as the vacuum tank that valve provides vacuum environment, valve is to be located in the vacuum tank and the device to be measured that is connected with monitor station, then is provided with the adapter that is communicated with valve on vacuum tank.
2. vacuum environment valve proving installation according to claim 1, it is characterized in that: described adapter is for being provided with the link of flange arrangement (1), comprise that correspondence is arranged at the entrance sleeve of vacuum tank both sides (2) and discharge connection (3), flange arrangement (1) is located at respectively on entrance sleeve (2) and the discharge connection (3), and be connected with the vacuum tank bolt, described entrance sleeve (2) is connected in the valve import, and discharge connection (3) then is connected in the valve outlet.
3. vacuum environment valve proving installation according to claim 2, it is characterized in that: describedly be located at flange arrangement (1) on the entrance sleeve (2) for to be formed by two ring flanges (4), two ring flanges (4) set gradually from inside to outside and are connected with the vacuum tank bolt, be positioned at inboard ring flange (4) and be connected on the vacuum tank, the ring flange (4) that is positioned at the outside then is located on the entrance sleeve (2).
4. vacuum environment valve proving installation according to claim 3 is characterized in that: all be set with O RunddichtringO (5) between described flange arrangement (1) and vacuum tank and two ring flanges (4).
5. vacuum environment valve proving installation according to claim 4, it is characterized in that: on described vacuum tank, also be provided with for valve and measure and cable passage hole and the pressure measurement pipeline of use, the cavernous structure of described cable passage hole for passing through for the valve cable; The pressure measurement pipeline is the pipeline configuration for being connected with the monitor station tensimeter then.
6. vacuum environment valve proving installation according to claim 5, it is characterized in that: described pressure measurement pipeline comprises the joint of being located on the vacuum tank (6), one end of joint (6) is connected with the valve pressure tap, the other end then is connected with the monitor station tensimeter, also is communicated with flexible pipe between joint (6) and valve pressure tap, joint (6) and monitor station tensimeter.
7. vacuum environment valve proving installation according to claim 6, it is characterized in that: described joint (6) closely is connected with vacuum tank; In described cable passage hole, also be provided with coil (7).
8. vacuum environment valve proving installation according to claim 7, it is characterized in that: on described vacuum tank, also be respectively equipped with bleeding point, regulate the throttling valve (8) of vacuum pressure and the Displaying Meter that shows the vacuum number of degrees, be provided with vacuum pump (9) at bleeding point.
9. vacuum environment valve proving installation according to claim 8, it is characterized in that: the seal of described vacuum tank for being connected to form by casing (10) and lid (11), described adapter, cable passage hole, joint (6), bleeding point, Displaying Meter, throttling valve (8) all are located on the casing (10).
10. vacuum environment valve proving installation according to claim 9, it is characterized in that: be provided with screw (12) at described lid (11), lid (11) is fixed on the casing (10) by screw (12), also is provided with sealing strip (13) at lid (11) with the end face that is connected of casing (10).
CN 201320071041 2013-02-07 2013-02-07 Valve testing device in vacuum environment Active CN203069372U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320071041 CN203069372U (en) 2013-02-07 2013-02-07 Valve testing device in vacuum environment

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Application Number Priority Date Filing Date Title
CN 201320071041 CN203069372U (en) 2013-02-07 2013-02-07 Valve testing device in vacuum environment

Publications (1)

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CN203069372U true CN203069372U (en) 2013-07-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103592115A (en) * 2013-11-15 2014-02-19 沈阳黎明航空发动机(集团)有限责任公司 Diaphragm capsule valve stroke test device and using method thereof
CN104931244A (en) * 2015-06-01 2015-09-23 北京丰荣航空科技股份有限公司 High-temperature and large-flow combined test bench and method for aviation pneumatic valve
CN106768941A (en) * 2016-12-15 2017-05-31 南通华夏飞机工程技术股份有限公司 Outflow safety valve device for testing functions

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103592115A (en) * 2013-11-15 2014-02-19 沈阳黎明航空发动机(集团)有限责任公司 Diaphragm capsule valve stroke test device and using method thereof
CN103592115B (en) * 2013-11-15 2017-01-11 沈阳黎明航空发动机(集团)有限责任公司 Diaphragm capsule valve stroke test device and using method thereof
CN104931244A (en) * 2015-06-01 2015-09-23 北京丰荣航空科技股份有限公司 High-temperature and large-flow combined test bench and method for aviation pneumatic valve
CN106768941A (en) * 2016-12-15 2017-05-31 南通华夏飞机工程技术股份有限公司 Outflow safety valve device for testing functions
CN106768941B (en) * 2016-12-15 2019-07-09 南通华夏飞机工程技术股份有限公司 Outflow safety valve device for testing functions

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