CN215178355U - Aircraft engine exhaust valve detector calibrating device - Google Patents
Aircraft engine exhaust valve detector calibrating device Download PDFInfo
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- CN215178355U CN215178355U CN202121250462.0U CN202121250462U CN215178355U CN 215178355 U CN215178355 U CN 215178355U CN 202121250462 U CN202121250462 U CN 202121250462U CN 215178355 U CN215178355 U CN 215178355U
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- exhaust valve
- valve detector
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Abstract
The utility model discloses an aircraft engine discharge valve detector calibrating device, including the seal box, the top fixed mounting of seal box has two high accuracy manometer, and in the detection end of high accuracy manometer extended to the seal box, the top intercommunication of seal box was fixed with the detector connector head, and the outside of detector connector head has seted up the external screw thread, and the right side bottom fixed mounting of seal box has the air pump, and the gas outlet of air pump extends to in the seal box, be provided with pressure regulating mechanism on the seal box. The utility model relates to a rationally, be convenient for carry out the sound attitude change to the discharge valve detector and detect, can realize that constant voltage, pressure boost change and decompression change detect, reach and to carry out the sound attitude to a plurality of atmospheric pressure numerical values and detect, through the mode that most value cooperation dynamic verification, further improve the accurate nature of detection effect to make things convenient for the work of personnel to the accurate adjustment calibration of discharge valve detector.
Description
Technical Field
The utility model relates to a calibration equipment technical field especially relates to an aircraft engine discharge valve detector calibrating device.
Background
With the development of economy, the metering technology is widely used in the detection work of the exhaust valve of the aircraft engine; the existing aircraft engine exhaust valve detector has the phenomenon of inaccurate numerical value deviation along with long-time use, and the numerical value of the detector needs to be calibrated, so that a calibration device needs to be used; the existing calibration device adopts a calibration mode that a test box with air pressure inside is mostly adopted, then the air pressure inside the test box is detected through a high-precision calibration instrument and a detector, and then whether the air pressure values of the high-precision calibration instrument and the detector are consistent or not is observed, if the air pressure values are different, personnel can calibrate and adjust the values of the tester;
the existing calibration device for the exhaust valve detector of the engine has the defect of inconvenience for dynamic and static change detection; simply use static constant voltage detection's mode, lack the function that developments pressure boost and developments decompression detected, can not carry out the developments contrast to a plurality of atmospheric pressure numerical values for the testing result is not accurate, thereby influences personnel to the accurate calibration work of detector, can not satisfy the user demand, to this phenomenon, therefore we have proposed an aircraft engine discharge valve detector calibrating device for solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the aircraft engine discharge valve detector calibrating device who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an aircraft engine discharge valve detector calibrating device, includes the seal box, the top fixed mounting of seal box has two high accuracy manometer, and in the detection end of high accuracy manometer extended to the seal box, the top intercommunication of seal box was fixed with the detector connector head, and the outside of detector connector head offered the external screw thread, and the right side bottom fixed mounting of seal box has the air pump, and the gas outlet of air pump extends to in the seal box, be provided with pressure regulating mechanism on the seal box.
Preferably, the pressure regulating mechanism comprises a fixed seat fixedly arranged on the inner wall of the left side of the seal box, the right side of the fixed seat is provided with a tapered hole, a sealing ball is movably sleeved in the tapered hole in a sealing way, a square tube is embedded on the inner wall of the left side of the seal box, the left side of the sealing ball is fixedly connected with a screw rod, the left end of the screw rod penetrates through the square pipe and extends out of the sealing box, the left end of the screw rod is provided with an air outlet groove, the top inner wall, the bottom inner wall, the front inner wall and the rear inner wall of the air outlet groove are provided with vent holes, the vent holes are positioned in the conical holes, the square sliding block is sleeved in the square pipe in a sliding manner, and square slider welding cover establishes on the screw rod, square intraductal rotation is installed with the internal thread sleeve pipe, and the internal thread sleeve pipe thread bush is established on the screw rod, and the left end of internal thread sleeve pipe extends outside the square pipe, and the welding cover is equipped with and is located the left knob of square pipe on the internal thread sleeve pipe, and the outside of knob is four handle bars of annular equidistant fixedly connected with.
Preferably, first round hole and two second round holes have been seted up on the top inner wall of seal box, the outside fixed connection of the inner wall of first round hole and detector connector head, the inner wall of second round hole and the detection end outside fixed connection of the high accuracy manometer that corresponds, the third round hole has been seted up on the right side inner wall of seal box, and the inner wall of third round hole and the gas outlet outside fixed connection of air pump.
Preferably, the outer side of the blocking ball is bonded and sleeved with a sealing rubber sleeve, and the outer side of the sealing rubber sleeve is in movable contact with the inner wall of the taper hole.
Preferably, the top left side of screw rod fixedly connected with stopper.
Preferably, a bearing is fixedly connected between the top inner wall and the bottom inner wall of the square tube, and an inner ring of the bearing is fixedly connected with the outer side of the internal thread sleeve.
Preferably, a square hole is formed in the inner wall of the left side of the seal box, and the inner wall of the square hole is fixedly connected with the outer side of the square pipe.
Preferably, the top of seal box is equipped with the discharge valve detector, and in the detection end of discharge valve detector extended to the detector connector head, fixed cover was equipped with the tube cap on the discharge valve detector, and the inboard of tube cap is equipped with the internal thread, and the internal thread meshes with the external thread mutually, the equal fixedly connected with round handle in both sides of tube cap.
Compared with the prior art, the beneficial effects of the utility model are that:
the air pump is stopped if the numerical values on the exhaust valve detector and the high-precision pressure gauge are not consistent, the air pump is stopped to stop the air pump, the air pump is in a static detection state at the moment, the numerical value on the exhaust valve detector is adjusted and set by a person at the moment, the air pump is continuously started to inflate after the adjustment is consistent, and the air pump is stopped if the numerical values change consistently;
at the moment, the handle rod is pulled forwards to drive the knob to rotate forwards, the knob drives the internal thread sleeve to rotate, the internal thread sleeve can drive the screw rod to move rightwards when rotating, the screw rod drives the square sliding block to slide rightwards in the square pipe, the screw rod drives the blocking ball to move rightwards, a gap is generated between the blocking ball and the tapered hole, at the moment, gas in the sealing box gradually enters the gas outlet groove through the tapered hole and the four vent holes in sequence and is discharged from the gas outlet groove, at the moment, the gas pressure in the sealing box is reduced, at the moment, a person can further observe the descending change of the gas pressure values on the exhaust valve detector and the high-precision pressure gauge, if the gas pressure values are consistent, then the calibration adjustment is accomplished, can carry out the dynamic and static change to the discharge valve detector and detect, reaches and to carry out the dynamic and static detection to a plurality of atmospheric pressure numerical values, further improves the accurate nature of detection effect to make things convenient for the work of personnel to the accurate adjustment calibration of discharge valve detector.
The utility model relates to a rationally, be convenient for carry out the sound attitude change to the discharge valve detector and detect, can realize that constant voltage, pressure boost change and decompression change detect, reach and to carry out the sound attitude to a plurality of atmospheric pressure numerical values and detect, through the mode that most value cooperation dynamic verification, further improve the accurate nature of detection effect to make things convenient for the work of personnel to the accurate adjustment calibration of discharge valve detector.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a calibration device for an exhaust valve detector of an aircraft engine according to the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 100 discharge valve detector, 101 tube caps, 1 seal box, 2 high accuracy manometer, 3 detector connector heads, 4 air pumps, 5 fixing bases, 6 taper holes, 7 blocking balls, 8 screw rods, 9 air outlet grooves, 10 air vents, 11 square tubes, 12 square sliders, 13 knobs, 14 internal thread sleeves and 15 sealing rubber sleeves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, the calibrating device for the detector of the exhaust valve of the aircraft engine comprises a seal box 1, wherein two high-precision pressure gauges 2 are fixedly mounted at the top of the seal box 1, the detection ends of the high-precision pressure gauges 2 extend into the seal box 1, the top of the seal box 1 is communicated with and fixed with a detector connecting tube head 3, the outer side of the detector connecting tube head 3 is provided with external threads, the bottom of the right side of the seal box 1 is fixedly provided with an air pump 4, the air outlet of the air pump 4 extends into the seal box 1, and a pressure regulating mechanism is arranged on the seal box 1;
the pressure regulating mechanism comprises a fixed seat 5 fixedly arranged on the inner wall of the left side of a seal box 1, a tapered hole 6 is arranged on the right side of the fixed seat 5, a sealing ball 7 is movably sleeved in the tapered hole 6 in a sealing manner, a square tube 11 is embedded on the inner wall of the left side of the seal box 1, a screw 8 is fixedly connected to the left side of the sealing ball 7, the left end of the screw 8 penetrates through the square tube 11 and extends out of the seal box 1, an air outlet groove 9 is arranged at the left end of the screw 8, vent holes 10 are respectively arranged on the inner wall of the top, the inner wall of the bottom, the inner wall of the front side and the inner wall of the rear side of the air outlet groove 9, the vent holes 10 are positioned in the tapered hole 6, a square slider 12 is sleeved in the square tube 11 in a sliding manner, the square slider 12 is welded on the screw 8, an internal thread sleeve 14 is rotatably arranged in the square tube 11, the internal thread sleeve 14 is sleeved on the screw 8, the left end of the internal thread sleeve 14 extends out of the square tube 11, a knob 13 positioned on the square tube 11 is welded on the internal thread sleeve 14, and the outside of knob 13 is four handle bars of equidistant fixedly connected with of annular, the utility model relates to a rationally, be convenient for carry out the sound attitude change to discharge valve detector 100 and detect, can realize that constant voltage, pressure boost change and decompression change detect, reach and to carry out the sound attitude to a plurality of atmospheric pressure numerical values and detect, through the mode that most value cooperation dynamic detection, further improve the accurate nature of detection effect to make things convenient for the work of personnel to the accurate adjustment calibration of discharge valve detector 100.
In the utility model, a first round hole and two second round holes are arranged on the inner wall of the top of a sealing box 1, the inner wall of the first round hole is fixedly connected with the outer side of a detector connecting tube head 3, the inner wall of the second round hole is fixedly connected with the outer side of a corresponding detecting end of a high-precision pressure gauge 2, a third round hole is arranged on the inner wall of the right side of the sealing box 1, the inner wall of the third round hole is fixedly connected with the outer side of a gas outlet of an air pump 4, a sealing rubber sleeve 15 is arranged on the outer side of a sealing ball 7 in a bonding way, the outer side of the sealing rubber sleeve 15 is movably contacted with the inner wall of a conical hole 6, a limit block is fixedly connected with the left side of the top of a screw 8, a bearing is fixedly connected between the inner wall of the top of a square tube 11 and the inner wall of the bottom of the square tube 11, the inner ring of the bearing is fixedly connected with the outer side of an internal thread sleeve 14, a square hole is arranged on the inner wall of the left side of the sealing box 1, and the inner wall of the square tube 11 is fixedly connected with the outer side of the square tube, the top of seal box 1 is equipped with discharge valve detector 100, and discharge valve detector 100's detection end extends to in the detector connector head 3, and fixed cover is equipped with tube cap 101 on discharge valve detector 100, and the inboard of tube cap 101 is equipped with the internal thread, and the internal thread meshes with the external screw thread mutually, and the equal fixedly connected with round handle in both sides of tube cap 101, the utility model relates to a rationally, be convenient for carry out the sound attitude change to discharge valve detector 100 and detect, can realize the constant voltage, pressure boost change and decompression change detect, reach and to carry out the sound attitude detection to a plurality of atmospheric pressure numerical values, through the mode of most value cooperation dynamic detection, further improve the accurate nature of detection effect to make things convenient for the work of personnel to the accurate adjustment calibration of discharge valve detector 100.
The working principle is as follows: when the device is used, the tube cover 101 on the exhaust valve detector 100 is rotationally fixed on the detector connector 3, at the moment, the exhaust valve detector 100 and the two high-precision pressure gauges 2 detect the air pressure in the seal box 1, when dynamic pressurization detection is carried out, the air pump 4 is started at the moment, the air pump 4 inflates the seal box 1, so that the air pressure in the seal box 1 is gradually increased, at the moment, a person observes whether the numerical values on the exhaust valve detector 100 and the high-precision pressure gauges 2 are consistent or not, if the numerical values are inconsistent, the air pump 4 is stopped, inflation is stopped, at the moment, the device is in a static detection state, at the moment, the person adjusts and sets the numerical value on the exhaust valve detector 100, after the adjustment is consistent, the air pump 4 is continuously started to inflate, at the moment, if the numerical values are consistent, the adjustment is completed;
then, dynamic decompression detection is carried out, at the moment, the air pump 4 is stopped, the handle rod is pulled forward to drive the knob 13 to rotate forward, the knob 13 drives the internal thread sleeve 14 to rotate, the screw 8 can be driven to move rightwards when the internal thread sleeve 14 rotates, the screw 8 drives the square sliding block 12 to slide rightwards in the square tube 11, meanwhile, the screw 8 drives the blocking ball 7 to move rightwards, at the moment, a gap is generated between the blocking ball 7 and the tapered hole 6, at the moment, gas in the seal box 1 gradually enters the tapered hole 6, then enters the gas outlet groove 9 through the four vent holes 10 and is discharged from the gas outlet groove 9, the gas pressure in the seal box 1 is reduced along with the gradual discharge of the gas, at the moment, personnel can further observe the reduction change of the gas pressure values on the exhaust valve detector 100 and the high-precision pressure gauge 2, if the gas pressure values are consistent, calibration adjustment is completed, at the moment, the exhaust valve detector 100 is in a precise state, the exhaust valve detector 100 can be conveniently subjected to dynamic and static change detection, constant pressure, pressurization change and decompression change detection can be realized, dynamic and static detection can be performed on a plurality of air pressure values, and the accuracy of the detection effect is further improved in a mode that a plurality of values are matched with dynamic detection, so that staff can conveniently perform accurate adjustment and calibration on the exhaust valve detector 100;
after the adjustment and setting of the exhaust valve detector 100, when the time values of dynamic pressurization and dynamic decompression detection are not consistent, the exhaust valve detector 100 is judged to be in a fault state, at the moment, a person can take down the exhaust valve detector 100 and send the exhaust valve detector to a maintenance place for maintenance, and after the maintenance is finished, the dynamic and static test is performed again.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides an aircraft engine discharge valve detector calibrating device, includes seal box (1), its characterized in that, the top fixed mounting of seal box (1) has two high accuracy manometer (2), and the detection end of high accuracy manometer (2) extends to in seal box (1), and the top intercommunication of seal box (1) is fixed with detector connector tube head (3), and the outside of detector connector tube head (3) has seted up the external screw thread, and the right side bottom fixed mounting of seal box (1) has air pump (4), and the gas outlet of air pump (4) extends to in seal box (1), be provided with pressure regulating mechanism on seal box (1).
2. The calibrating device for the aircraft engine exhaust valve detector according to claim 1, wherein the pressure regulating mechanism comprises a fixed seat (5) fixedly installed on the inner wall of the left side of the seal box (1), the right side of the fixed seat (5) is provided with a tapered hole (6), a movable sealing sleeve in the tapered hole (6) is provided with a plugging ball (7), the inner wall of the left side of the seal box (1) is embedded with a square pipe (11), the left side of the plugging ball (7) is fixedly connected with a screw rod (8), the left end of the screw rod (8) penetrates through the square pipe (11) and extends out of the seal box (1), the left end of the screw rod (8) is provided with an air outlet groove (9), vent holes (10) are formed in the inner wall of the top, the inner wall of the bottom, the inner wall of the front side and the inner wall of the rear side of the air outlet groove (9), the vent holes (10) are located in the tapered hole (6), a sliding block (12) is sleeved in the square pipe (11), and square slider (12) welded sleeve establishes on screw rod (8), internal thread sleeve pipe (14) are installed to square pipe (11) internal rotation, and internal thread sleeve pipe (14) threaded sleeve establishes on screw rod (8), and the left end of internal thread sleeve pipe (14) extends to outside square pipe (11), and the welded sleeve is equipped with and is located square pipe (11) left knob (13) on internal thread sleeve pipe (14), and the outside of knob (13) is four handle bars of equidistant fixedly connected with of annular.
3. The aircraft engine exhaust valve detector calibrating device according to claim 1, wherein a first round hole and two second round holes are formed in the inner wall of the top of the seal box (1), the inner wall of the first round hole is fixedly connected with the outer side of the detector connector head (3), the inner wall of each second round hole is fixedly connected with the outer side of the corresponding detection end of the high-precision pressure gauge (2), a third round hole is formed in the inner wall of the right side of the seal box (1), and the inner wall of each third round hole is fixedly connected with the outer side of the air outlet of the air pump (4).
4. The calibration device for the aircraft engine exhaust valve detector according to claim 2, characterized in that a sealing rubber sleeve (15) is bonded and sleeved on the outer side of the blocking ball (7), and the outer side of the sealing rubber sleeve (15) is in movable contact with the inner wall of the tapered hole (6).
5. The calibration device for the aircraft engine exhaust valve detector according to claim 2, characterized in that a limiting block is fixedly connected to the left side of the top of the screw rod (8).
6. The calibrating device for the aircraft engine exhaust valve detector according to claim 2, characterized in that a bearing is fixedly connected between the top inner wall and the bottom inner wall of the square tube (11), and an inner ring of the bearing is fixedly connected with the outer side of the internal thread sleeve (14).
7. The calibrating device for the aircraft engine exhaust valve detector according to claim 2, characterized in that a square hole is formed in the inner wall of the left side of the seal box (1), and the inner wall of the square hole is fixedly connected with the outer side of the square tube (11).
8. The calibrating device for the aircraft engine exhaust valve detector according to claim 1, characterized in that an exhaust valve detector (100) is arranged above the seal box (1), a detection end of the exhaust valve detector (100) extends into the detector connector head (3), a pipe cover (101) is fixedly sleeved on the exhaust valve detector (100), inner threads are arranged on the inner side of the pipe cover (101), the inner threads are meshed with the outer threads, and round handles are fixedly connected to two sides of the pipe cover (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121250462.0U CN215178355U (en) | 2021-06-06 | 2021-06-06 | Aircraft engine exhaust valve detector calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121250462.0U CN215178355U (en) | 2021-06-06 | 2021-06-06 | Aircraft engine exhaust valve detector calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215178355U true CN215178355U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121250462.0U Active CN215178355U (en) | 2021-06-06 | 2021-06-06 | Aircraft engine exhaust valve detector calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215178355U (en) |
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2021
- 2021-06-06 CN CN202121250462.0U patent/CN215178355U/en active Active
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