CN111024151A - Stroke and thrust measuring device - Google Patents
Stroke and thrust measuring device Download PDFInfo
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- CN111024151A CN111024151A CN201911121375.2A CN201911121375A CN111024151A CN 111024151 A CN111024151 A CN 111024151A CN 201911121375 A CN201911121375 A CN 201911121375A CN 111024151 A CN111024151 A CN 111024151A
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- stroke
- thrust
- button
- measuring component
- throwing mechanism
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a stroke and thrust measuring device, which is used for respectively measuring the triggering thrust and the residual stroke after triggering of two buttons of a drag parachute throwing mechanism, and comprises the following components: the device comprises a stroke measuring component, a thrust measuring component, a sliding block, a sliding rail A and a base; the sliding rail A is fixed on the base, and the sliding block is in sliding fit with the sliding rail A, so that the sliding direction of the sliding block relative to the sliding rail A is longitudinal; the device comprises a base, a stroke measuring component, a thrust measuring component, a drag parachute throwing mechanism, a stroke measuring component and a thrust measuring component, wherein the stroke measuring component and the thrust measuring component are respectively transversely arranged on the base, the drag parachute throwing mechanism is fixed on a sliding block, when any one of two buttons on the drag parachute throwing mechanism is opposite to the measuring end of the stroke measuring component, the button is triggered through the stroke measuring component, and the residual stroke after the drag parachute throwing mechanism is triggered is measured; when any one of the two buttons on the drag parachute throwing mechanism is opposite to the measuring end of the thrust measuring component, the button is triggered through the thrust measuring component, and the triggering thrust of the drag parachute throwing mechanism is measured.
Description
Technical Field
The invention relates to the technical field of aviation equipment, in particular to a stroke and thrust measuring device.
Background
When a button of a drag parachute throwing mechanism of a certain type of airplane cabin is maintained, the triggering thrust and the residual stroke of the triggered button (the limit distance that the triggered button can move towards the propelling direction) need to be detected.
The method for detecting the trigger force of the button in the prior art comprises the following steps: the method requires two persons to cooperate mutually in a tacit manner, and two buttons arranged side by side of the cabin drag parachute throwing mechanism need to be detected, each button needs to be measured for multiple times to obtain an average value so as to determine the triggering force, so that the working efficiency is extremely low, and the measurement error is large.
In the prior art, a method for detecting the residual stroke after the button is triggered comprises the following steps: the worker measures the distance between the end face of the back button and the reference face and the distance between the end face of the back button and the reference face when the back button is excited by the two buttons through the depth gauge respectively, the two distances are made into a difference value to obtain the residual stroke after the buttons are triggered, the detection method has high requirements on the operation method of the worker, the data cannot be accurately read due to poor operation, each button needs to be measured for multiple times, the working efficiency is extremely low, and the measurement error is large.
Therefore, a device which can accurately measure the triggering thrust of two side-by-side buttons of an aircraft cabin drag parachute throwing mechanism and can measure the residual stroke after the buttons are triggered is needed to be designed.
Disclosure of Invention
In view of this, the invention provides a stroke and thrust measuring device, which can accurately measure the triggering thrust of two buttons of an aircraft cabin drag parachute throwing mechanism respectively and can also accurately measure the residual stroke after the buttons are triggered.
The technical scheme of the invention is as follows: a stroke and thrust measuring device for respectively measuring the triggering thrust and the residual stroke after triggering of two buttons of a drag parachute throwing mechanism comprises: the device comprises a stroke measuring component, a thrust measuring component, a sliding block, a sliding rail A and a base;
the sliding rail A is fixed on the base, and the sliding block is in sliding fit with the sliding rail A, so that the sliding direction of the sliding block relative to the sliding rail A is longitudinal;
the device comprises a base, a stroke measuring component, a thrust measuring component, a drag parachute throwing mechanism, a stroke measuring component and a thrust measuring component, wherein the stroke measuring component and the thrust measuring component are respectively transversely arranged on the base, the drag parachute throwing mechanism is fixed on a sliding block, when any one of two buttons on the drag parachute throwing mechanism is opposite to the measuring end of the stroke measuring component, the button is triggered through the stroke measuring component, and the residual stroke after the drag parachute throwing mechanism is triggered is measured; when any one of the two buttons on the drag parachute throwing mechanism is opposite to the measuring end of the thrust measuring component, the button is triggered through the thrust measuring component, and the triggering thrust of the drag parachute throwing mechanism is measured.
Preferably, still include the instrument box, on the instrument box with two the button corresponds respectively and sets up a display lamp, works as the back is triggered to the button, the display lamp that corresponds with it lights on the instrument box.
Preferably, the instrument box is further provided with a digital display meter for displaying the residual stroke of the drag parachute throwing mechanism after the button is triggered.
Preferably, the stroke measuring assembly comprises: the displacement grating ruler, the thread precession mechanism and the thread ejector rod are positioned on the same axis, the end where the longitudinal slide rail A is positioned is a transverse front end, and the front end and the rear end of the thread ejector rod are respectively supported by a bracket and the thread precession mechanism which are fixed on the base;
the periphery of the threaded mandril is provided with a guide groove parallel to the axis, the bracket and the guide rod extending into the guide groove on the bracket limit the circumferential motion of the threaded mandril, and the guide rod is positioned at the front end of the guide groove at the beginning;
the screw thread precession mechanism includes: the nut and the support seat limit the axial direction of the nut, the thread mandril is in thread fit with the nut of the thread precession mechanism, the nut in the thread precession mechanism is rotated to push the thread mandril to move forwards and trigger one of the buttons, the nut in the thread precession mechanism is continuously rotated to push the thread mandril to move forwards continuously, the button of the resistance umbrella throwing mechanism is further pushed to move in place, and the residual stroke measured by the displacement grating ruler after the button is triggered is displayed in the digital display meter of the instrument box;
the displacement grating ruler is fixed on the base, the ruler end of the displacement grating ruler initially has a set compression amount and is abutted against the threaded mandril, and the residual stroke of the resistance umbrella throwing mechanism after the button is triggered is marked by the extension amount of the threaded mandril after the button of the resistance umbrella throwing mechanism is triggered.
Preferably, the thrust measuring assembly comprises: the device comprises a slide rail B, a memory type digital display distance meter, a distance meter mounting seat and a transverse propelling mechanism which are positioned on the same axis;
the sliding rail B is transversely fixed on the base, the memory type digital display distance meter is fixed on the distance meter mounting seat, the distance meter mounting seat is in sliding fit with the sliding rail B, and the transverse propelling mechanism is fixedly connected with the distance meter mounting seat and used for pushing the memory type digital display distance meter to move forwards;
when the triggering thrust of the drag parachute throwing mechanism is measured, the sliding block enables any one of two buttons of the drag parachute throwing mechanism to be axially aligned with the memory type digital display thrusting meter, the memory type digital display thrusting meter is pushed by the transverse propelling mechanism to trigger the button of the drag parachute throwing mechanism, and the memory type digital display thrusting meter displays the corresponding triggering force.
Has the advantages that:
(1) the device has the advantages of simple structure, convenient operation and use and high measurement precision, and can accurately measure the trigger thrust of two parallel buttons of the aircraft cabin drag parachute throwing mechanism and the residual stroke after the buttons are triggered.
Drawings
Fig. 1 is a schematic structural diagram of a stroke and thrust measuring device according to the present invention.
The device comprises a 1-displacement grating ruler, a 2-thread precession mechanism, a 3-thread ejector rod, a 4-sliding block, a 5-locking screw, a 6-sliding rail A, a 7-base, an 8-sliding rail B, a 9-memory digital display thrustor, a 10-thrustor mounting seat, a 11-transverse propelling mechanism, a 12-instrument box, a 13-resistance umbrella throwing mechanism, a 131-button A, a 132-button B
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
Example 1:
the embodiment provides a stroke and thrust measuring device, which can accurately measure the triggering thrust of two buttons (a button A131 and a button B132) of an aircraft cabin drag parachute throwing mechanism respectively and can also accurately measure the residual stroke after the two buttons are triggered.
As shown in fig. 1, the measuring device is used for measuring the triggering thrust and the residual stroke after triggering of two buttons of a drag parachute throwing mechanism 13, and comprises: the device comprises a stroke measuring component, a thrust measuring component, a slide block 4, a slide rail A6, a base 7 and an instrument box 12; the slide rail A6 is fixedly arranged on the base 7, the slide block 4 is arranged on the slide rail A6 and is in sliding fit with the slide rail A6, and the sliding direction of the slide block 4 relative to the slide rail A6 is longitudinal; the stroke measuring component and the thrust measuring component are parallel to each other and are respectively transversely arranged on the base 7, the drag parachute throwing mechanism 13 is fixed on the sliding block 4, the button A131 and the button B132 on the drag parachute throwing mechanism face to one side of the sliding rail A6, which is provided with the stroke measuring component and the thrust measuring component, the measuring end of the stroke measuring component and the measuring end of the thrust measuring component respectively face to the sliding rail A6, when the drag parachute throwing mechanism 13 moves to be opposite to the stroke measuring component, the residual stroke after the drag parachute throwing mechanism 13 is triggered is measured through the stroke measuring component, and when the drag parachute throwing mechanism 13 moves to be opposite to the thrust measuring component, the triggering thrust of the drag parachute throwing mechanism 13 is measured through the thrust measuring component;
wherein, the drag parachute throwing mechanism 13 and the stroke measuring component are respectively electrically connected with the instrument box 12; when the button A131 of the drag parachute throwing mechanism 13 is triggered, the display lamp A of the instrument box 12 is turned on; when the button B132 of the drag parachute ejecting mechanism 13 is triggered, the display lamp B of the instrument box 12 is turned on; the digital display meter of the instrument box 12 is used for displaying the residual stroke of the drag parachute throwing mechanism 13 after the button A131 or the button B132 is triggered, which is measured by the stroke measuring component.
Specifically, the method comprises the following steps:
when the slide block 4 slides on the slide rail A6 to drive the drag parachute throwing mechanism 13 to slide until the button A131 is aligned with the measuring end of the stroke measuring component, the stroke measuring component triggers the button A131, and the display lamp A of the instrument box 12 is on; meanwhile, the stroke measuring component measures the residual stroke triggered by the button A131 and displays the residual stroke on a digital display meter of the instrument box 12;
when the slide block 4 slides on the slide rail A6 to drive the drag parachute throwing mechanism 13 to slide until the button B132 is aligned with the measuring end of the stroke measuring component, the stroke measuring component triggers the button B132, and the display lamp B of the instrument box 12 is on; meanwhile, the stroke measuring component measures the residual stroke triggered by the button B132 and displays the residual stroke on a digital display meter of the instrument box 12;
when the slide block 4 slides on the slide rail A6 to drive the drag parachute ejecting mechanism 13 to slide until the button A131 is aligned with the measuring end of the thrust measuring component, the thrust measuring component measures the triggering thrust of the button A131;
the thrust measuring assembly measures the triggering thrust of button B132 when the sliding of the slider 4 on slide a6 causes the drag parachute release mechanism 13 to slide until button B132 is aligned with the measuring end of the thrust measuring assembly.
After the slide block 4 moves to the corresponding position, the slide block is locked on the slide rail A6 through the locking screw 5.
Example 2:
on the basis of embodiment 1, the stroke measurement assembly includes: the displacement grating ruler 1, the thread precession mechanism 2 and the thread mandril 3 are positioned on the same axis, the end where the longitudinal slide rail A6 is positioned is a transverse front end, the front end of the thread mandril 3 is supported by a bracket fixed on the base 7, and the rear end of the thread mandril is matched with the thread precession mechanism 2; the support is provided with a through hole with the axis vertical to the periphery of the threaded ejector rod 3, the periphery of the threaded ejector rod 3 is provided with a guide groove parallel to the axis at the position corresponding to the through hole on the support, a guide rod penetrates through the through hole of the support and then extends into the guide groove for limiting the circumferential motion of the threaded ejector rod 3 and guiding the axial motion of the threaded ejector rod 3, and the guide rod is initially positioned at the front end of the guide groove; the screw thread precession mechanism 2 comprises a nut and a supporting seat for limiting the axial direction of the nut, the rear end of the screw thread mandril 3 is in screw thread fit with the nut of the screw thread precession mechanism 2 to form a screw nut pair, the nut in the screw thread precession mechanism 2 is rotated to push the screw thread mandril 3 to move forwards, thereby pushing the button a131 or the button B132 in the pair thereof to activate, and accordingly, the display lamp a or the display lamp B of the instrument box 12 lights up, and at this time, the displacement grating ruler 1 is reset to zero, the nut in the thread precession mechanism 2 is continuously rotated to push the thread mandril 3 to continuously move forwards, further pushing the button a131 or the button B132 of the drag parachute ejecting mechanism 13 to move to the limit position, and accordingly, displaying the measured residual stroke after triggering (the measured movement amount of the button a131 or the button B132 of the drag parachute ejecting mechanism 13 from triggering to the limit position after the displacement grating ruler 1 returns to zero) by the displacement grating ruler 1 in the digital display table of the instrument box 12;
the displacement grating ruler 1 is fixed on the base 7 through the mounting base, and the ruler end stores the set compression amount at the beginning and is abutted against the threaded mandril 3, so that the residual stroke of the triggered button A131 or button B132 of the drag parachute throwing mechanism 13 is marked by the extension amount of the threaded mandril 3 after the triggered button A131 or button B132 of the drag parachute throwing mechanism 13.
Example 3:
on the basis of embodiment 1 or embodiment 2, the thrust measuring assembly includes: a slide rail B8, a memory type digital display thrust gauge 9, a thrust gauge mounting seat 10 and a transverse propelling mechanism 11 (such as an electric or manual telescopic rod or a ball screw) which are positioned on the same axis; the sliding rail B8 is transversely fixed on the base 7, the memory type digital display thrustor 9 is fixed on the thrustor mounting seat 10, the thrustor mounting seat 10 is in sliding fit with the sliding rail B8, two ends of the transverse propelling mechanism 11 are respectively a tail handle end and a telescopic shaft end, the tail handle end is fixed on the base 7, and the telescopic shaft end is fixedly connected with the thrustor mounting seat 10; when the triggering thrust of the drag parachute throwing mechanism 13 needs to be measured, the sliding block 4 enables the button a131 or the button B132 of the drag parachute throwing mechanism 13 to be axially aligned with the memory type digital display thrust gauge 9, the tail handle of the transverse propelling mechanism 11 is rotated to enable the telescopic shaft of the transverse propelling mechanism to extend forwards, so that the memory type digital display thrust gauge 9 is pushed to trigger the button a131 or the button B132 of the drag parachute throwing mechanism 13, accordingly, the display lamp a or the display lamp B of the instrument box 12 is lightened, and meanwhile, the memory type digital display thrust gauge 9 displays the triggering force of the button a131 or the button B132 of the drag parachute throwing mechanism 13, which is measured by the memory type digital display thrust gauge 9.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A stroke and thrust measuring device for measuring the triggering thrust and the residual stroke after triggering of two buttons of a drag parachute throwing mechanism (13), respectively, comprising: the device comprises a stroke measuring component, a thrust measuring component, a sliding block (4), a sliding rail A (6) and a base (7);
the sliding rail A (6) is fixed on the base (7), the sliding block (4) is in sliding fit with the sliding rail A (6), and the sliding direction of the sliding block (4) relative to the sliding rail A (6) is longitudinal;
the device comprises a stroke measuring component and a thrust measuring component, wherein the stroke measuring component and the thrust measuring component are respectively transversely arranged on a base (7), a resistance umbrella throwing mechanism (13) is fixed on a sliding block (4), when any one of two buttons on the resistance umbrella throwing mechanism (13) is opposite to the measuring end of the stroke measuring component, the button is triggered through the stroke measuring component, and the residual stroke after the resistance umbrella throwing mechanism (13) is triggered is measured; when any one of the two buttons on the drag parachute throwing mechanism (13) is opposite to the measuring end of the thrust measuring component, the button is triggered through the thrust measuring component, and the triggering thrust of the drag parachute throwing mechanism (13) is measured.
2. The stroke and thrust measuring device according to claim 1, further comprising an instrument box (12), wherein a display lamp is disposed on the instrument box (12) corresponding to each of the two buttons, and when the button is activated, the display lamp corresponding to the button is turned on the instrument box (12).
3. The stroke and thrust measuring device according to claim 2, wherein a digital display meter for displaying the remaining stroke after the button of the drag parachute ejecting mechanism (13) is activated is further provided on the instrument box (12).
4. The stroke and thrust measurement device of claim 1, wherein the stroke measurement assembly comprises: the displacement grating ruler (1), the thread precession mechanism (2) and the thread ejector rod (3) are positioned on the same axis, the end where the longitudinal sliding rail A (6) is positioned is a transverse front end, and the front end and the rear end of the thread ejector rod (3) are respectively supported by a bracket fixed on the base (7) and the thread precession mechanism (2);
the periphery of the threaded mandril (3) is provided with a guide groove parallel to the axis, the bracket and the guide rod extending into the guide groove limit the circumferential motion of the threaded mandril (3), and the guide rod is positioned at the front end of the guide groove at the beginning;
the screw-thread precession mechanism (2) comprises: the device comprises a nut and a support seat for axially limiting the nut, wherein a thread ejector rod (3) is in threaded fit with the nut of a thread precession mechanism (2), the nut in the thread precession mechanism (2) is rotated to push the thread ejector rod (3) to move forwards and trigger one of buttons, the nut in the thread precession mechanism (2) is continuously rotated to push the thread ejector rod (3) to continuously move forwards, the button of a resistance umbrella throwing mechanism (13) is further pushed to move in place, and the residual stroke measured by the displacement grating ruler (1) after the button is triggered is displayed in a digital display of an instrument box (12);
the displacement grating ruler (1) is fixed on the base (7), the ruler end initially has a set compression amount and is abutted against the threaded ejector rod (3), and the residual stroke of the resistance umbrella throwing mechanism (13) after the button is triggered is marked by the elongation of the threaded ejector rod (3).
5. The stroke and thrust measurement device of claim 1 or 4, wherein the thrust measurement assembly comprises: the device comprises a slide rail B (8), a memory type digital display thrustor (9), a thrustor mounting seat (10) and a transverse propelling mechanism (11) which are positioned on the same axis;
the sliding rail B (8) is transversely fixed on the base (7), the memory type digital display thrustor (9) is fixed on a thrustor mounting seat (10), the thrustor mounting seat (10) is in sliding fit with the sliding rail B (8), and the transverse propelling mechanism (11) is fixedly connected with the thrustor mounting seat (10) and is used for pushing the memory type digital display thrustor (9) to move forwards;
when the triggering thrust of the drag parachute throwing mechanism (13) is measured, the sliding block (4) enables any one of two buttons of the drag parachute throwing mechanism (13) to be axially aligned with the memory type digital display thrust gauge (9), the memory type digital display thrust gauge (9) is pushed by the transverse propelling mechanism (11) to trigger the button of the drag parachute throwing mechanism (13), and the memory type digital display thrust gauge (9) displays the corresponding triggering force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911121375.2A CN111024151A (en) | 2019-11-15 | 2019-11-15 | Stroke and thrust measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911121375.2A CN111024151A (en) | 2019-11-15 | 2019-11-15 | Stroke and thrust measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN111024151A true CN111024151A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911121375.2A Pending CN111024151A (en) | 2019-11-15 | 2019-11-15 | Stroke and thrust measuring device |
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| CN (1) | CN111024151A (en) |
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