CN111483611A - Aircraft fastener fuse construction quality detection device - Google Patents
Aircraft fastener fuse construction quality detection device Download PDFInfo
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- CN111483611A CN111483611A CN202010315717.0A CN202010315717A CN111483611A CN 111483611 A CN111483611 A CN 111483611A CN 202010315717 A CN202010315717 A CN 202010315717A CN 111483611 A CN111483611 A CN 111483611A
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- fuse
- force
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- displacement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
Abstract
The invention discloses a device for detecting the construction quality of an airplane fastener fuse.A hook ruler mechanism comprises a rack, a limiting block, a rack boss, a roller, a central gear, an upper shell, a lower shell and a handle, wherein the limiting block limits the maximum stroke of the rack; the measuring mechanism comprises a displacement measuring slide block, a first limiting snap ring, a return spring, a fixed shell, a force slide block, a second limiting snap ring, a force spring and a spring limiting block; the adjustable telescopic support column is screwed in and out through threads, the length of the adjustable telescopic support column is adjusted, a top block is installed at the bottom of the adjustable telescopic support column, the movement range of the force sliding block is limited, and a force spring is installed at the lower part of the force sliding block; according to the invention, the construction quality of the tightness of the fuse is determined by comparing the displacement of the fuse displayed by the measuring mechanism with the range of the tightness of the fuse displayed by the hook ruler mechanism, so that the safety construction quality of constructors is improved, and the training quality of a fastener safety course is improved.
Description
Technical Field
The invention belongs to the technical field of detection of construction quality of fuses of aircraft fasteners, and particularly relates to a detection device of the construction quality of fuses of aircraft fasteners, which is used for detecting the construction quality of daily fuses of fasteners.
Background
The fastener fuse prevents that the fastener from taking place the pine phenomenon under high vibration environment for the aircraft, as shown in fig. 5, draw two fasteners to the direction of screwing up through aviation fuse, prevent the pine of fastener from taking off, the elasticity degree that the fuse was drawn directly influences the quality of fastener fuse, the fuse is drawn and is pulled the easy fracture of fuse under high vibration mode, the fuse is drawn and is pulled the easy pine of loose fuse, play the locking effect of fastener fuse, so the elasticity degree that the fastener fuse was drawn directly influences the quality of fastener fuse. The invention provides a device for detecting the construction quality of an airplane fastener fuse, which is used for improving the safety construction quality of constructors and improving the training quality of fastener safety courses.
Disclosure of Invention
The invention aims to provide a device for detecting the construction quality of an aircraft fastener fuse, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
an aircraft fastener fuse construction quality detection device, comprising: the hook ruler mechanism comprises a rack, a limiting block, a rack boss, a roller, a central gear, an upper shell, a lower shell and a handle; the handle is convenient for operating the rack to move, the central gear and the roller are fixed on the upper shell and the lower shell, the limiting block limits the maximum stroke of the racks, and the shafts of the central gear and the roller are fixed on the upper shell and the lower shell;
the measuring mechanism comprises a displacement measuring slide block, a first limiting snap ring, a return spring, a fixed shell, a force slide block, a second limiting snap ring, a force spring and a spring limiting block; the displacement measuring slide block is arranged in the fixed shell, the displacement measuring slide block moves up and down in a groove of the fixed shell, the first limiting snap ring is arranged on the displacement measuring slide block, the reset spring acts on the first limiting snap ring to reset the displacement measuring slide block, the elastic force of the reset spring is smaller, the bottom of the displacement measuring slide block is provided with an adjustable telescopic strut, the adjustable telescopic strut is screwed in and out through threads to adjust the length of the adjustable telescopic strut, the bottom of the adjustable telescopic strut is provided with a top block, the top block is provided with a groove to prevent dislocation when a fuse is jacked, the force slide block is arranged in a hole of the displacement measuring slide block, the second limiting snap ring is arranged on the outer wall of the force slide block to limit the movement range of the force slide block, the force spring is installed on the lower portion of the force sliding block, and the elasticity of the force spring is large.
By adopting the technical scheme: through the fuse displacement size that measuring mechanism shows, with the range contrast of the fuse elasticity that pothook chi mechanism shows, confirm the quality of fuse elasticity construction, the fuse displacement size is in the scope, and the elasticity of fuse construction is suitable, and is too big, and the fuse construction is too lax, the undersize, and the fuse construction is too tight for improve constructor insurance construction quality, improve the training quality of fastener insurance course.
Furthermore, a supporting column is fixed on the handle, a clamping hook is vertically fixed on the supporting column, a groove in the clamping hook is used for fixing a fuse, and a scale is arranged on the rack and used for displaying an allowable range value of the tightness of the fuse.
By adopting the technical scheme: the range value allowed by the tightness of the fuse is conveniently displayed.
Furthermore, a force display color band is arranged on the surface of the force sliding block and used for indicating the magnitude of the applied pressure, and the surface of the displacement measurement sliding block is provided with scale display and used for displaying the displacement magnitude of the ejector block.
By adopting the technical scheme: the surface of the displacement measuring slide block is provided with scale display, so that the displacement of the top block can be conveniently displayed.
Furthermore, the outer wall of the force display color band is sequentially coated with red, green and yellow coatings from top to bottom.
By adopting the technical scheme: the red area applies too much force, the green area applies proper force, and the yellow area applies too little force, so that the magnitude of the applied force is convenient to observe.
Further, the distance of a fuse point is determined by adjusting the length of the rack, and the range of the tightness of the fuse is determined by scales on the rack.
By adopting the technical scheme: the range of the tightness of the fuse can be conveniently determined through the scales on the rack.
Furthermore, the adjustable telescopic support column arranged on the displacement measuring slide block is adjusted to enable the concave point of the top block, the thickness of the knitted fuse and the groove of the hook to be on the same straight line, and the adjustable telescopic support column is used for correcting the thickness of the fuse.
By adopting the technical scheme: the adjustable telescopic support is convenient to be used for correcting the thickness of the fuse.
Further, proper pressure is applied to the force sliding block through the measuring mechanism, the color band is displayed through the force on the force sliding block, the applied force in the red area is too large, the applied force in the green area is proper, and the applied force in the yellow area is too small; the displacement measuring slide block is driven to move under the action of pressure, the ejector block arranged on the displacement measuring slide block abuts against the fuse, the fuse is displaced, and the displacement is determined through the scale on the displacement measuring slide block.
By adopting the technical scheme: the displacement is conveniently observed by determining the scales on the displacement measuring slide block.
The invention has the technical effects and advantages that: through the fuse displacement size that measuring mechanism shows, the quality of fuse elasticity construction is confirmed to the scope contrast with the fuse elasticity that pothook chi mechanism shows, and fuse displacement size is in the scope, and the elasticity of fuse construction is suitable, and is too big, and the fuse construction is too lax, the undersize, and the fuse construction is too tight, improves constructor insurance construction quality, improves the training quality of fastener insurance course.
Drawings
FIG. 1 is an overall structure diagram of the construction quality detection device for an aircraft fastener fuse of the present invention;
FIG. 2 is a view showing a constitutional decomposition structure of the present invention;
FIG. 3 is a structural diagram of a hook ruler mechanism of the present invention;
FIG. 4 is a view of the structure of the measuring mechanism of the present invention;
FIG. 5 is a schematic illustration of fastener safety pull;
FIG. 6 is a schematic view of the present invention under force F during testing;
FIG. 7 is a schematic view of a stainless steel fuse of the present invention;
FIG. 8 is a schematic view of a use state of the present invention;
FIG. 9 is a schematic view of another state of use of the present invention;
FIG. 10 is a side view of the top block of the present invention;
fig. 11 is a side view of the hook of the present invention.
In the figure: 1. a hook ruler mechanism; 2. a measuring mechanism; 3. a rack; 4. a limiting block; 5. a rack boss; 6. a roller; 7. a sun gear; 8. an upper housing and a lower housing; 9. a handle; 10. a pillar; 11. a hook; 12. a displacement measuring slide block; 13. a first limit snap ring; 14. a return spring; 15. a stationary housing; 16. an adjustable telescopic strut; 17. a top block; 18. a force slider; 19. a second limit snap ring; 20. a force spring; 21. a spring stopper; 22. the force display color band.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 11 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the invention provides an aircraft fastener fuse construction quality detection device as shown in figures 1, 2 and 3, which comprises: the hook ruler mechanism 1 comprises a rack 3, a limiting block 4, a rack boss 5, a roller 6, a central gear 7, an upper shell 8, a lower shell 8 and a handle 9; the two racks 3 are fixed on the upper shell 8 and the lower shell 8 through the rack bosses 5 and the rollers 6, the central gear 7 is connected with the two racks 3, so that the two racks 3 synchronously extend and retract, the limiting blocks 4 limit the maximum stroke of the racks 3, the shafts of the central gear 7 and the rollers 6 are fixed on the upper shell 8 and the lower shell 8, and the handles 9 are convenient for operating the racks 3 to move;
as shown in fig. 1, 2 and 6, the measuring mechanism 2 includes a displacement measuring slide block 12, a first limiting snap ring 13, a return spring 14, a fixed housing 15, a force slide block 18, a second limiting snap ring 19, a force spring 20 and a spring limiting block 21; the displacement measuring slide block 12 is arranged in a fixed shell 15, the displacement measuring slide block 12 moves up and down in a groove of the fixed shell 15, a first limit snap ring 13 is arranged on the displacement measuring slide block 12, a reset spring 14 acts on the first limit snap ring 13 to reset the displacement measuring slide block 12, the elastic force of the reset spring 14 is smaller, an adjustable telescopic strut 16 is arranged at the bottom of the displacement measuring slide block 12, the adjustable telescopic strut 16 is screwed in and screwed out through threads to adjust the length of the adjustable telescopic strut 16, a top block 17 is arranged at the bottom of the adjustable telescopic strut 16, a groove is formed in the top block 17 to prevent dislocation when a fuse is pushed, a force slide block 18 is arranged in a hole of the displacement measuring slide block 12, a second limit snap ring 19 is arranged on the outer wall of the force slide block 18 to limit the movement range of the force slide block 18, and the force spring 20 is arranged at the, the force spring 20 has a large elastic force.
By adopting the technical scheme: through the fuse displacement size that measuring mechanism 2 shows, the quality of fuse elasticity construction is confirmed to the scope contrast of the fuse elasticity that shows with pothook chi mechanism 1, and fuse displacement size is in the scope, and the elasticity of fuse construction is suitable, and is too big, and the fuse construction is too lax, the undersize, and the fuse construction is too tight, improves constructor insurance construction quality, improves the training quality of fastener insurance course.
As shown in fig. 2, 3 and 11, a pillar 10 is fixed on the handle 9, a hook 11 is vertically fixed on the pillar 10, a groove on the hook 11 is used for fixing a fuse, and a scale is provided on the rack 3 for displaying the allowable range value of the tightness of the fuse.
By adopting the technical scheme: the range value allowed by the tightness of the fuse is conveniently displayed.
As shown in fig. 2, 6 and 10, the force display color bar 22 is arranged on the surface of the force slider 18 for indicating the magnitude of the applied pressure, and the scale display is arranged on the surface of the displacement measurement slider 12 for displaying the displacement magnitude of the top block 17.
By adopting the technical scheme: the surface of the displacement measuring slide block 12 is provided with scale display, so that the displacement of the top block 17 can be conveniently displayed.
As shown in fig. 2 and 6, the outer wall of the force display color band 22 is coated with red, green and yellow coatings in sequence from top to bottom.
By adopting the technical scheme: the red area applies too much force, the green area applies proper force, and the yellow area applies too little force, so that the magnitude of the applied force is convenient to observe.
As shown in fig. 2 and 3, the distance of the fuse point is determined by adjusting the length of the rack 3, and the range of the tightness of the fuse is determined by the scale on the rack 3.
By adopting the technical scheme: the range of the tightness of the fuse can be conveniently determined through the scales on the rack 3.
As shown in fig. 2, 3 and 6, the adjustable telescopic prop 16 is used for correcting the thickness of the fuse by adjusting the adjustable telescopic prop 16 mounted on the displacement measuring slide block 12 so that the concave point of the top block 17 plus the thickness of the fuse braid is aligned with the concave groove of the hook 11.
By adopting the technical scheme: the adjustable telescopic strut 16 is convenient for correcting the thickness of the fuse.
As shown in fig. 2 and 6, by the measuring mechanism 2, a proper pressure is applied to the force slider 18, and it is determined by the force display color bar 22 on the force slider 18 that the applied force in the red area is too large, the applied force in the green area is proper, and the applied force in the yellow area is too small; the displacement measuring slide block 12 is driven to move under the action of pressure, the top block 17 arranged on the displacement measuring slide block 12 props against the fuse, the fuse is displaced, and the displacement is determined by the scale on the displacement measuring slide block 12.
By adopting the technical scheme: the displacement is conveniently observed through the scale determination on the displacement measuring slide block 12.
The working principle is as follows:
the test strength F is set as shown in figure 6 when the construction quality of the fuse of the fastener is detected, and the test strength is different for fuses which are not made of different materials and have different thicknesses, so that the number of aviation fuses is as follows: MS20995C32 fuse is an example, and the fuse material is: stainless steel, fuse diameter: 0.032in, as shown in FIG. 7, the force F applied during the test is suitably 3-4 lbs. force, less than 3 lbs. force indicating a yellow color band, 3-4 lbs. color band indicating a green color band, and greater than 4 lbs. indicating a red color band. Fuse test force values of different thicknesses according to different materials are also different, different colored tapes can be marked on the force sliding block 18 for detecting different fuses, and the test force is set as the following table 1:
table 1: test force setting
Remarking:
1. the part number is MS20995CY, the material is copper fuse, because its use is: the operated flag does not act as a safety for preventing loosening of the fastener, and therefore, the copper fuse is not detected.
2. The return spring 14 has small elasticity, and is only used for returning the displacement measuring slide block 12, and the elasticity is ignored.
The scale-one tightness displacement range values are related to the fuse point distances, as shown in FIG. 8, and the relationship between the distance X between fastener fuse points A, B and the scale-one reading is shown in Table 2:
table 2: distance between fastener safety points A, B is X in relation to scale one reading one
| Distance X of safety point | Reading one (mm) |
| 1.0in | 1 |
| 2.0in | 2 |
| 3.0in | 3 |
| 4.0in | 4 |
Remarking: and when the distance X of the insurance point is increased by 1in, the value of the displacement range of the tightness, namely the reading, is increased by 1 mm.
The invention is explained in further detail:
1. adjusting the handle 9, adjusting the distance between the hooks 11, wherein the distance between the hooks 11 is equal to the distance between the safety points, as shown in fig. 8, reading a first reading on the first ruler, and determining the allowable displacement range;
2. the hooks 11 hook the fuse A, B at two points, and the adjustable telescopic strut 16 is adjusted according to the thickness of the fuse, so that the fuse is in a straight line between the two hooks 11 and the concave point of the top block 17, and simultaneously, the second reading is ensured to be a 0 scale, as shown in fig. 8.
3. Selecting proper measuring force according to the number, the material and the thickness of the fuse element, and determining a selected display force color band; the force F was measured to ensure that the force color bar was in the green zone, as shown in fig. 9.
4. And keeping the measuring force F, and reading out a second reading (in mm) through a second ruler, wherein the second reading is the displacement value of the fuse.
5. And comparing the first reading with the second reading, wherein the second reading is within the range of plus or minus 0.5mm of the first reading, namely the quality of the tightness of the fuse is qualified, the fuse is too loose when the tightness of the fuse is larger than the range, and the fuse is too tight when the tightness of the fuse is smaller than the range.
6. And after the test is finished, the detection equipment is reset.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides an aircraft fastener fuse construction quality detection device which characterized in that includes:
the hook ruler mechanism (1) comprises a rack (3), a limiting block (4), a rack boss (5), a roller (6), a central gear (7), an upper shell (8), a lower shell (8) and a handle (9); the two racks (3) are fixed on the upper shell (8) and the lower shell (8) through the rack bosses (5) and the rollers (6), the central gear (7) is connected with the two racks (3) to enable the two racks (3) to synchronously extend and retract, the limiting block (4) limits the maximum stroke of the racks (3), shafts of the central gear (7) and the rollers (6) are fixed on the upper shell (8) and the lower shell (8), and the handle (9) is convenient for operating the racks (3) to move;
the measuring mechanism (2) comprises a displacement measuring slide block (12), a first limiting snap ring (13), a return spring (14), a fixed shell (15), a force slide block (18), a second limiting snap ring (19), a force spring (20) and a spring limiting block (21); the displacement measurement sliding block (12) is arranged in the fixed shell (15), the displacement measurement sliding block (12) moves up and down in a groove of the fixed shell (15), the first limit snap ring (13) is arranged on the displacement measurement sliding block (12), the reset spring (14) acts on the first limit snap ring (13) to reset the displacement measurement sliding block (12), the bottom of the displacement measurement sliding block (12) is provided with an adjustable telescopic strut (16), the adjustable telescopic strut (16) is screwed in and out through threads to adjust the length of the adjustable telescopic strut (16), the bottom of the adjustable telescopic strut (16) is provided with a top block (17), the top block (17) is provided with a groove to prevent dislocation during fuse ejection, the force sliding block (18) is arranged in a hole of the displacement measurement sliding block (12), the outer wall of dynamics slider (18) is installed in spacing snap ring of second (19), the restriction the motion range of dynamics slider (18), dynamics spring (20) are installed dynamics slider (18) lower part.
2. The aircraft fastener fuse construction quality detection device of claim 1, wherein: a supporting column (10) is fixed on the handle (9), a clamping hook (11) is vertically fixed on the supporting column (10), a groove in the clamping hook (11) is used for fixing a fuse, and a scale is arranged on the rack (3) and used for displaying an allowable range value of the tightness of the fuse.
3. The aircraft fastener fuse construction quality detection device of claim 2, wherein: the surface of the force sliding block (18) is provided with a force display color band (22) for indicating the magnitude of applied pressure, and the surface of the displacement measuring sliding block (12) is provided with scale display for displaying the displacement magnitude of the top block (17).
4. The aircraft fastener fuse construction quality detection device of claim 3, wherein: the outer wall of the force display color band (22) is sequentially coated with red, green and yellow coatings from top to bottom.
5. The aircraft fastener fuse construction quality detection device of claim 4, wherein: the distance of a fuse point is determined by adjusting the length of the rack (3), and the range of the tightness of the fuse is determined by the scales on the rack (3).
6. The aircraft fastener fuse construction quality detection device of claim 5, wherein: the adjustable telescopic support column (16) arranged on the displacement measuring slide block (12) is adjusted to enable the concave point of the top block (17) and the thickness of the knitted fuse to be in the same line with the groove of the clamping hook (11), and the adjustable telescopic support column (16) is used for correcting the thickness of the fuse.
7. The aircraft fastener fuse construction quality detection device of claim 6, wherein: applying appropriate pressure on the force slide block (18) through the measuring mechanism (2), and determining that the applied force of a red area is too large, the applied force of a green area is appropriate and the applied force of a yellow area is too small through the force display color band (22) on the force slide block (18); the displacement measuring slide block (12) is driven to move under the action of pressure, the ejector block (17) arranged on the displacement measuring slide block (12) abuts against the fuse, the fuse displaces, and the displacement is determined through the scale on the displacement measuring slide block (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010315717.0A CN111483611B (en) | 2020-04-21 | 2020-04-21 | Aircraft fastener fuse construction quality detection device |
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| CN202010315717.0A CN111483611B (en) | 2020-04-21 | 2020-04-21 | Aircraft fastener fuse construction quality detection device |
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| CN111483611A true CN111483611A (en) | 2020-08-04 |
| CN111483611B CN111483611B (en) | 2021-05-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112478196A (en) * | 2020-11-24 | 2021-03-12 | 北京天创凯睿科技有限公司 | Airplane bolt fastening and detecting method |
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