CN210400761U - Testing device for electromagnetic valve of starter control valve - Google Patents
Testing device for electromagnetic valve of starter control valve Download PDFInfo
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- CN210400761U CN210400761U CN201921364086.0U CN201921364086U CN210400761U CN 210400761 U CN210400761 U CN 210400761U CN 201921364086 U CN201921364086 U CN 201921364086U CN 210400761 U CN210400761 U CN 210400761U
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Abstract
The utility model discloses a testing device for a control valve electromagnetic valve of a starter, which comprises a testing seat and three same joints arranged on the testing seat, wherein a first ventilation cavity and a second ventilation cavity are arranged inside the testing seat, and the second ventilation cavity is communicated with the first ventilation cavity; the first joint second vent cavity is communicated; a third vent gas cavity and a fourth vent gas cavity are arranged in the test seat, and are communicated with the first vent cavity; the second joint and the third joint are respectively connected with the third vent gas cavity and the fourth vent gas cavity. The advantages are that: the testing device solves the problem that the valve electromagnetic valve is tested independently under the condition that a manual does not provide detailed tools and no tool can meet the testing requirement in the current market, and the reliability of parts is guaranteed.
Description
Technical Field
The utility model relates to a civil aviation aircraft engine starting system tests field, especially relates to a testing arrangement for starter control valve solenoid valve.
Background
In order to reduce the dependence on ground (airport) power supply and air supply equipment on large and medium-sized airplanes and large helicopters, independent small power units, called auxiliary power units or APUs, are installed. When the engine is on the ground, compressed air provided by the APU controls the valve through the starter, the electromagnetic valve is electrified, the valve is opened, the compressed air enters the starter, and the normal work of the starter drives the engine to start running. When the engine starts to operate normally, the electromagnetic valve is powered off, the valve is closed, and the starter stops working.
The starter control valve is used for an engine starting system of an air passenger A320 series V2500 engine. When the electromagnetic valve is electrified, compressed air provided by the APU enters the opening cavity, and the valve plate is opened. The common failure of the starter control valve is the failure of the electromagnetic valve, so that the valve cannot be opened, and the starter cannot normally work. In order to normally open the starter control valve and normally work the engine starting system, the electromagnetic valve needs to be independently checked and tested. When the solenoid valve of the control valve of the starter works in an inspection process, a part repair manual CMM inspection chapter does not provide detailed test tools, so that whether the solenoid valve can work normally cannot be determined in the inspection process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a testing arrangement for starter control valve solenoid valve to solve the aforementioned problem that exists among the prior art.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a testing device for an electromagnetic valve of a starter control valve comprises a testing seat and three same connectors arranged on the testing seat, wherein a first ventilation cavity penetrating through a first side surface of the testing seat and a second ventilation cavity penetrating through an opposite surface of the first side surface are arranged in the testing seat, the second ventilation cavity is coaxially arranged with the first ventilation cavity, and the second ventilation cavity is communicated with the first ventilation cavity; the first joint is arranged on the second side surface and is communicated with the second vent cavity; a third vent gas cavity and a fourth vent gas cavity are arranged in the test seat, the third vent gas cavity and the fourth vent gas cavity respectively penetrate through two adjacent side surfaces, perpendicular to the first side surface, of the test seat, and the third vent gas cavity and the fourth vent gas cavity are both communicated with the first vent cavity; the second joint and the third joint are respectively arranged on two adjacent side surfaces perpendicular to the first side surface, and the second joint and the third joint are respectively connected with the third ventilating air cavity and the fourth ventilating air cavity.
Preferably, the first ventilation cavity comprises four cylindrical ventilation sections which are coaxially arranged and sequentially communicated, and the diameter of each ventilation section is gradually reduced from the first side surface to the second side surface.
Preferably, the test seat is provided with two through holes, the two through holes are parallel to the axis of the first ventilation cavity, and the two through holes penetrate through the first side surface and the second side surface; the two through holes are communicated with the ventilation section which is connected with the first side surface on the first ventilation cavity.
Preferably, the second vent cavity comprises two cylindrical vent sections which are coaxially arranged and communicated, and the diameter of each vent section is gradually reduced from the joint of the second vent cavity and the first joint to the direction close to the first vent cavity.
Preferably, the third vent cavity comprises two cylindrical vent sections which are coaxially arranged and communicated, and the diameter of each vent section is gradually reduced from the joint of the third vent cavity and the second joint to the direction close to the first vent cavity.
Preferably, the fourth vent cavity comprises two cylindrical vent sections which are coaxially arranged and communicated, and the diameter of each vent section is gradually reduced from the joint of the fourth vent cavity and the third joint to the direction close to the first vent cavity.
Preferably, the first side face is provided with at least four mounting holes, and the fastener fixes the electromagnetic valve to be tested on the test seat through the mounting holes.
Preferably, a pressure relief hole is formed in one side, connected with the second joint, of the test seat, extends from the side face of the test seat to the inside of the test seat, and the extending end of the pressure relief hole is communicated with the third vent cavity.
The utility model has the advantages that: the utility model provides a testing arrangement has solved and has not given detailed frock in the manual, and does not have the instrument on the current market and can satisfy under this test requirement's the condition, and the reliability of part has been ensured to the problem of valve solenoid valve test alone.
Drawings
FIG. 1 is a schematic structural diagram of a testing device according to an embodiment of the present invention;
FIG. 2 is a side view of a testing device in an embodiment of the present invention;
fig. 3 is a sectional view taken along line a-a of fig. 2 in an embodiment of the invention;
fig. 4 is a cross-sectional view B-B of fig. 2 in an embodiment of the invention;
fig. 5 is a schematic diagram of the testing of the solenoid valve in the embodiment of the present invention.
In the figure: 1. a test seat; 11. a first vent lumen; 12. a pressure relief hole; 13. a through hole; 14. mounting holes; 2. a first joint; 21. a second venting cavity; 22. a first connecting pipe; 23. a first pressure regulating valve; 24. a first shut-off valve; 25. a first voltmeter; 3. a second joint; 31. a second connecting pipe; 32. a second pressure regulating valve; 33. a second shutoff valve; 34. a second voltmeter; 4. a third joint; 41. a fourth air cavity; 42. a third connecting pipe; 43. a third shutoff valve; 44. a first flow meter; 5. a fourth connecting pipe; 51. a fourth shutoff valve; 52. a second flow meter; 6. an electromagnetic valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
As shown in fig. 1 to 4, in the present embodiment, a testing device for a solenoid valve of a starter control valve is provided, the testing device includes a testing base 1 and three identical connectors arranged on the testing base 1, a first vent cavity 11 penetrating through a first side surface of the testing base 1 and a second vent cavity 21 penetrating through an opposite surface of the first side surface are arranged inside the testing base 1, the second vent cavity 21 is coaxially arranged with the first vent cavity 11, and the second vent cavity 21 is communicated with the first vent cavity 11; the first joint 2 is arranged on the second side surface and is communicated with the second venting cavity 21; a third vent gas cavity and a fourth vent gas cavity 41 are arranged inside the test seat 1, the third vent gas cavity and the fourth vent gas cavity 41 respectively penetrate through two adjacent side surfaces, perpendicular to the first side surface, of the test seat 1, and the third vent gas cavity and the fourth vent gas cavity 41 are both communicated with the first vent cavity 11; the second joint 3 and the third joint 4 are respectively arranged on two adjacent side surfaces perpendicular to the first side surface, and the second joint 3 and the third joint 4 are respectively connected with the third vent gas cavity and the fourth vent gas cavity 41.
In this embodiment, the first ventilation cavity 11 includes four cylindrical ventilation sections coaxially disposed and sequentially connected, and the diameter of each of the ventilation sections decreases gradually from the first side surface to the second side surface. The first venting chamber 11 is a stepped venting chamber.
In this embodiment, the test socket 1 is provided with two through holes 13, the two through holes 13 are parallel to the axis of the first ventilation cavity 11, and the two through holes 13 penetrate through the first side surface and the second side surface; the two through holes 13 are communicated with the ventilation section of the first ventilation cavity 11 connected with the first side surface.
In this embodiment, the second venting cavity 21 includes two cylindrical venting sections coaxially disposed and communicated with each other, and the diameter of each of the venting sections decreases from the connection between the second venting cavity 21 and the first joint 2 to the direction close to the first venting cavity 11. The second vent chamber 21 is a stepped vent chamber.
In this embodiment, the third venting cavity includes two cylindrical venting sections coaxially disposed and communicated with each other, and the diameter of each venting section decreases gradually from the junction of the third venting cavity and the second joint 3 to the direction close to the first venting cavity 11. The third vent cavity is a stepped vent cavity.
In this embodiment, the fourth vent gas cavity 41 includes two cylindrical vent sections that are coaxially disposed and communicated, and the diameter of each vent section decreases gradually from the connection position of the fourth vent gas cavity 41 and the third joint 4 to the direction close to the first vent cavity 11. The fourth vent chamber 41 is a stepped vent chamber.
In this embodiment, the first side surface is provided with at least four mounting holes 14, and the fastener fixes the electromagnetic valve 6 to be tested on the test socket 1 through the mounting holes 14.
In this embodiment, a pressure relief hole 12 is disposed on one side of the test socket 1, to which the second joint 3 is connected, the pressure relief hole 12 extends from a side surface of the test socket 1 to the inside of the test socket 1, and an extending end of the pressure relief hole is communicated with the third vent chamber.
In this embodiment, the test socket 1 is made of a stainless steel OCr18N19 with good corrosion resistance, and the material has high strength, high hardness, wear resistance and pressure resistance, and does not deform seriously due to excessive external force when the materials are in mutual fit contact. The machining size requirement can be well met, and the part cannot be damaged when the machining size requirement is matched with the part.
In this embodiment, the electromagnetic valve 6 is a two-position three-way electromagnetic valve 6, two positions of the two positions are controllable, specifically, the two positions are opened and closed, the three-way electromagnetic valve has three ventilation channels of X, Y and W respectively, in general, X is connected with an air source, Y is connected with an exhaust port of the actuator, and W is connected with an air inlet of the actuator.
In this embodiment, as shown in fig. 5, when the electromagnetic valve 6 needs to be tested, at first, the electromagnetic valve 6 is correspondingly connected to the first side surface of the testing seat 1, so that the electromagnetic valve extends into the first venting cavity 11, and the three channels of the electromagnetic valve 6 are respectively communicated with the second venting cavity 21, the third venting cavity and the fourth venting cavity 41, that is, X, Y, W is respectively communicated with the second venting cavity 21, the second venting cavity 21 and the third venting cavity, a gasket is arranged on the first side surface of the testing seat 1, so as to ensure the sealing between the electromagnetic valve 6 and the first venting cavity 11, and prevent the air flow from running out from the first venting cavity 11 and the electromagnetic valve 6, thereby affecting the testing effect of the testing device.
In this embodiment, the first connector 2 is connected to the first connecting pipe 22, and the first connecting pipe 22 is connected to a gas source; the second joint 3 is connected with a second connecting pipe 31 and connects the second connecting pipe with an air source; connecting the third joint 4 to the third connection pipe 42; a first pressure regulating valve 23, a first shutoff valve 24 and a first voltmeter 25 are sequentially arranged on the first connecting pipe 22 along the flowing direction of the airflow, a second pressure regulating valve 32, a second shutoff valve 33 and a second voltmeter 34 are sequentially arranged on the second connecting pipe 31 along the flowing direction of the airflow, a fourth connecting pipe 5 is connected at the downstream of the second flowmeter 52, and a fourth shutoff valve 51 and a second flowmeter 52 are sequentially arranged on the fourth connecting pipe 5 along the flowing direction of the airflow; a third shut-off valve 43 and a first flow meter 44 are sequentially provided in the third connection pipe 42 in the direction in which the air flows.
In this embodiment, the internal leakage test process of the solenoid valve 6 is as follows: in case the electromagnetic valve 6 is deenergized, the first shut-off valve 24 and the third shut-off valve 43 are opened, the first pressure regulating valve 23 is adjusted, the gas flow of the gas pressure of 58-62psig is introduced into the X channel port of the electromagnetic valve 6, the first flow meter 44 is observed, and the reading (i.e., the W channel port gas flow) should be less than 0.005ppm, then the electromagnetic valve 6 is normal; the electromagnetic valve 6 is electrified by 27-29vdc, and the electrified voltage value can be observed by the first voltmeter 25; looking at the first flow meter 44, its reading (i.e., W channel port airflow) is < 0.002ppm, then the solenoid valve 6 is normal.
In this embodiment, the flow rate test process of the electromagnetic valve 6 is as follows: when the solenoid valve 6 is deenergized, the second shut-off valve 33 and the third shut-off valve 43 are opened, the second pressure regulating valve 32 is adjusted, the gas flow of 58-62psig is input to the port of the Y channel, the reading of the first flowmeter 44 is observed, and if the reading is more than or equal to 0.37ppm, the solenoid valve 6 is normal.
In this embodiment, the flow rate test process of the electromagnetic valve 6 is as follows: when the solenoid valve 6 is energized, the first shut-off valve 24 and the fourth shut-off valve 51 are opened, the gas pressure of 58-62psig is introduced into the X channel port, the solenoid valve 6 is energized, the reading of the second voltmeter 34 should be 27-29vdc, the degree of the second flowmeter 52 should be 0.22ppm or more, and the solenoid valve 6 is normal.
In this embodiment, in the testing process, the air source supplies air to the X and Y channels of the electromagnetic valve 6 through the first connector 2 and the second connector 3, so that the air flow enters the electromagnetic valve 6 and is finally discharged through the third connecting pipe 42 and the fourth connecting pipe 5, and whether the electromagnetic valve 6 is damaged or not is determined by observing the readings of the instrument.
Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect:
the utility model provides a testing arrangement for starter control valve solenoid valve, this testing arrangement have solved and have not given detailed frock in the manual, and do not have the instrument on the current market and can satisfy under the condition that this test required, the problem of valve solenoid valve test alone has ensured the reliability of part.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (8)
1. The utility model provides a testing arrangement for starter control valve solenoid valve which characterized in that: the testing device comprises a testing seat and three same joints arranged on the testing seat, wherein the three same joints are respectively a first joint, a second joint and a third joint, a first ventilation cavity penetrating through a first side surface of the testing seat and a second ventilation cavity penetrating through the opposite surface of the first side surface are arranged in the testing seat, the second ventilation cavity and the first ventilation cavity are coaxially arranged, and the second ventilation cavity is communicated with the first ventilation cavity; the opposite surface of the first side surface is a second side surface, and the first joint is arranged on the second side surface and communicated with the second vent cavity; a third vent gas cavity and a fourth vent gas cavity are arranged in the test seat, the third vent gas cavity and the fourth vent gas cavity respectively penetrate through two adjacent side surfaces, perpendicular to the first side surface, of the test seat, and the third vent gas cavity and the fourth vent gas cavity are both communicated with the first vent cavity; the second joint and the third joint are respectively arranged on two adjacent side surfaces perpendicular to the first side surface, and the second joint and the third joint are respectively connected with the third ventilating air cavity and the fourth ventilating air cavity.
2. The test device for the starter control shutter solenoid valve according to claim 1, characterized in that: the first ventilation cavity comprises four cylindrical ventilation sections which are coaxially arranged and sequentially communicated, and the diameter of each ventilation section is gradually reduced from the first side surface to the second side surface.
3. The test device for the starter control shutter solenoid valve according to claim 2, characterized in that: the test seat is provided with two through holes, the two through holes are parallel to the axis of the first ventilation cavity, and the two through holes penetrate through the first side surface and the second side surface; the two through holes are communicated with the ventilation section which is connected with the first side surface on the first ventilation cavity.
4. The test device for the starter control shutter solenoid valve according to claim 1, characterized in that: the second ventilation cavity comprises two cylindrical ventilation sections which are coaxially arranged and communicated, and the diameter of each ventilation section is gradually reduced from the joint of the second ventilation cavity and the first joint to the direction close to the first ventilation cavity.
5. The test device for the starter control shutter solenoid valve according to claim 1, characterized in that: the third vent cavity comprises two cylindrical vent sections which are coaxially arranged and communicated, and the diameter of each vent section is gradually reduced from the joint of the third vent cavity and the second joint to the direction close to the first vent cavity.
6. The test device for the starter control shutter solenoid valve according to claim 1, characterized in that: the fourth vent gas cavity comprises two cylindrical vent sections which are coaxially arranged and communicated, and the diameter of each vent section is gradually reduced from the joint of the fourth vent gas cavity and the third joint to the direction close to the first vent cavity.
7. The test device for the starter control shutter solenoid valve according to claim 1, characterized in that: the first side face is provided with at least four mounting holes, and the fastener fixes the solenoid valve to be tested on the test seat through the mounting holes.
8. The test device for the starter control shutter solenoid valve according to claim 1, characterized in that: and one side of the test seat, which is connected with the second joint, is provided with a pressure relief hole, the pressure relief hole extends from the side surface of the test seat to the inside of the test seat, and the extending end of the pressure relief hole is communicated with the third vent cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921364086.0U CN210400761U (en) | 2019-08-21 | 2019-08-21 | Testing device for electromagnetic valve of starter control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921364086.0U CN210400761U (en) | 2019-08-21 | 2019-08-21 | Testing device for electromagnetic valve of starter control valve |
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| Publication Number | Publication Date |
|---|---|
| CN210400761U true CN210400761U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921364086.0U Active CN210400761U (en) | 2019-08-21 | 2019-08-21 | Testing device for electromagnetic valve of starter control valve |
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| CN (1) | CN210400761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022217921A1 (en) * | 2021-04-15 | 2022-10-20 | 苏州苏试试验集团股份有限公司 | Drainage valve durability test device and testing method using drainage valve durability test device |
-
2019
- 2019-08-21 CN CN201921364086.0U patent/CN210400761U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022217921A1 (en) * | 2021-04-15 | 2022-10-20 | 苏州苏试试验集团股份有限公司 | Drainage valve durability test device and testing method using drainage valve durability test device |
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